first commit

.gitignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/tauri-demo.iml" filepath="$PROJECT_DIR$/.idea/tauri-demo.iml" />
+    </modules>
+  </component>
+</project>

.idea/tauri-demo.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="EMPTY_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src-tauri/src" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/src-tauri/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "svelte.svelte-vscode",
+    "tauri-apps.tauri-vscode",
+    "rust-lang.rust-analyzer"
+  ]
+}

.vscode/settings.json

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+{
+  "svelte.enable-ts-plugin": true
+}

README.md

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+# Tauri + SvelteKit + TypeScript
+
+This template should help get you started developing with Tauri, SvelteKit and TypeScript in Vite.
+
+## Recommended IDE Setup
+
+[VS Code](https://code.visualstudio.com/) + [Svelte](https://marketplace.visualstudio.com/items?itemName=svelte.svelte-vscode) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer).

frontend_prompt.md

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+# premise
+
+这是我在展会看到的友商上位机 UI（`assets/paxini.jpg`）的风格参考，希望做一份相近气质的前端界面。前端由你负责实现与迭代。
+
+## 约束（长期有效）
+
+- 使用 `Svelte + TypeScript`
+- 页面拆分成 `HudPanel`、`CenterStage`、`SignalChart`
+- 不引入大型 UI 库
+- 主色调：近黑背景 + 青蓝 / 荧光绿 / 橙红
+- 主界面整体是“一整块 board”，通过渐变过渡，不做强分块
+- 不做明显流光/扫光动画（可有静态纹理层次）
+- 样式集中在组件内或 `theme` 文件
+- 布局优先 `grid/flex`，仅在必要位置使用绝对定位
+- 后续对接 Tauri，组件层不要把数据源写死
+
+---
+
+# 当前实现基线（已完成）
+
+## Step1：主背景
+
+- 已完成近黑全屏背景、弱渐变、暗角和轻噪声层
+- `:root/html/body` 背景已与主界面统一，避免拖动窗口出现黑边断层
+
+## Step2：TitleBar + ControlBar + 主布局
+
+- 已完成窗口按钮（最小化 / 最大化切换 / 关闭）
+- 已完成 ControlBar：
+  - 配置菜单组（打开/关闭/校准/参数）
+  - 连接状态卡片
+  - 串口下拉框
+  - 中英文切换
+  - 设备信息行（设备/采样率/通道）
+- 页面主结构已固定为：`TitleBar + ControlBar + WebGL2 Area`
+
+## Step2-1：Tauri 交互与窗口体验
+
+- TitleBar 已支持拖动（`data-tauri-drag-region`）
+- 默认窗口大小自动尝试调整到屏幕约 `3/4`
+- 已连接 Tauri window commands：
+
+```ts
+invoke("win_minimize");
+invoke("win_toggle_maximize");
+invoke("win_close");
+```
+
+## Step3：HUD 面板与数据演示
+
+- 左右两侧悬浮曲线面板已完成
+- 有数据时入场并渲染，无数据时退场（当前 demo：5s 开/关周期）
+- 折线、渐变填充、边框与深色半透明底已完成
+- 底部量程条已完成
+
+---
+
+# 当前前端结构（请按此扩展）
+
+## 1) `src/routes/+page.svelte`
+
+- 页面编排与状态管理
+- 维护 `signalPanels`、语言、连接状态、串口、配置菜单选中态
+- 将左右面板分流后传给 `CenterStage`
+- 处理 Tauri invoke（窗口控制）
+
+## 2) `src/lib/components/HudPanel.svelte`
+
+- 只负责顶部控制区 UI 与交互事件分发
+- 通过事件向外抛出：
+  - `windowcontrol`
+  - `localechange`
+  - `configlink`
+  - `portchange`
+
+## 3) `src/lib/components/CenterStage.svelte`
+
+- 承载 WebGL2 主区域和左右悬浮 rail
+- 接收 `leftPanels/rightPanels` 并在 rail 内渲染 `SignalChart`
+- 通过 `ResizeObserver` 动态计算：
+  - `panel-zone` 顶部起始位置
+  - 左右 rail 缩放比例（低高度窗口可自适应）
+- 侧边定位策略：贴边但保留 `edge inset` 安全距离
+
+## 4) `src/lib/components/SignalChart.svelte`
+
+- 单个曲线面板渲染组件
+- 仅消费结构化数据，不关心数据来源
+- 支持 `side`（left/right）与 `active`（入场/退场）状态
+
+---
+
+# 关键布局规则（避免回归）
+
+- WebGL2 区域占据下半主容器
+- HUD 曲线面板浮在 WebGL2 上方，但贴近左右边缘，不遮挡中间核心区域
+- 左右面板必须挂在 `CenterStage` 的 rail 容器内
+- 不再使用命名 slot 传曲线面板（曾导致面板落到错误容器）
+- 调试用彩色边框已移除，保持正式视觉
+
+---
+
+# 数据接入约定（统一结构）
+
+```ts
+type SignalTone = "cyan" | "lime" | "orange";
+type SignalPanelSide = "left" | "right";
+
+interface HudSignalSeries {
+  id: string;
+  tone: SignalTone;
+  points: number[];
+}
+
+interface HudSignalIcon {
+  id: string;
+  label: string;
+  tone: SignalTone;
+}
+
+interface HudSignalPanel {
+  id: string;
+  code: string;
+  title: string;
+  side: SignalPanelSide;
+  active: boolean;
+  series: HudSignalSeries[];
+  icons: HudSignalIcon[];
+}
+
+interface HudPacket {
+  ts: number;
+  panels: HudSignalPanel[];
+}
+```
+
+统一入口：
+
+```ts
+let signalPanels: HudSignalPanel[] = [];
+
+function applyPacket(packet: HudPacket) {
+  signalPanels = packet.panels;
+}
+```
+
+---
+
+# Step3 数据源 Demo（可替换）
+
+## Demo A：本地 Mock
+
+```ts
+function startMockFeed(push: (packet: HudPacket) => void): () => void {
+  let hasData = false;
+  const cycle = setInterval(() => {
+    hasData = !hasData;
+    push({
+      ts: Date.now(),
+      panels: hasData ? buildRandomPanels() : buildInactivePanels()
+    });
+  }, 5000);
+
+  const tick = setInterval(() => {
+    if (hasData) {
+      push({
+        ts: Date.now(),
+        panels: evolvePanels()
+      });
+    }
+  }, 1200);
+
+  return () => {
+    clearInterval(cycle);
+    clearInterval(tick);
+  };
+}
+```
+
+## Demo B：Tauri invoke 轮询
+
+```ts
+import { invoke } from "@tauri-apps/api/core";
+
+async function fetchHudPacket(): Promise<HudPacket> {
+  return await invoke<HudPacket>("hud_get_packet");
+}
+```
+
+## Demo C：Tauri 事件推送
+
+```ts
+import { listen, type UnlistenFn } from "@tauri-apps/api/event";
+
+async function startTauriStream(push: (packet: HudPacket) => void): Promise<() => void> {
+  const unlisten: UnlistenFn = await listen<HudPacket>("hud_stream", (event) => {
+    push(event.payload);
+  });
+  return () => unlisten();
+}
+```
+
+## Demo D：WebSocket
+
+```ts
+function startWebSocket(push: (packet: HudPacket) => void): () => void {
+  const ws = new WebSocket("ws://127.0.0.1:9001/hud");
+  ws.onmessage = (e) => push(JSON.parse(e.data) as HudPacket);
+  return () => ws.close();
+}
+```
+
+---
+
+# 其他接口建议（主控区联动）
+
+```ts
+invoke("sensor_connect", { port: "COM3" });
+invoke("sensor_disconnect");
+
+invoke("sensor_set_sample_rate", { hz: 120 });
+invoke("sensor_set_channels", { channels: [1, 2, 3, 4] });
+
+invoke("sensor_start_stream");
+invoke("sensor_stop_stream");
+
+invoke("sensor_get_status");
+```
+
+---
+
+# step3 前端细节调整
+
+1. 添加对串口连接失败的提醒
+2. 连接成功后，连接按钮变成断开按钮点击就断开连接
+
+# step 4 webgl2
+
+1. 黑色背景，科技感 UI 容器
+2. 一个 64x64 的压力矩阵
+3. 用 InstancedMesh 渲染 4096 个小圆柱或小圆环
+4. 每个实例根据 value 更新位置、缩放、颜色
+5. 支持 OrbitControls 旋转缩放
+6. 内置一个假数据生成器，能模拟脚印从无到有再消失
+7. 数据更新用平滑插值，不要跳变
+8. 左侧显示总压力、最大值、平均值
+9. 支持 2D/3D 模式切换，但第一版 2D 可以只是俯视正交投影
+
+# step4 config panel
+
+我需要一个panel来进行参数配置，有以下配置（后面会加）
+
+1. 点阵数量，目前默认是64*64，我希望可以自定义
+2. range上下限，我希望可以自定义max和min来映射颜色

package.json

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+{
+  "name": "tauri-demo",
+  "version": "0.1.0",
+  "description": "",
+  "type": "module",
+  "scripts": {
+    "dev": "vite dev",
+    "build": "vite build",
+    "preview": "vite preview",
+    "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+    "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
+    "tauri": "tauri"
+  },
+  "license": "MIT",
+  "dependencies": {
+    "@tauri-apps/api": "^2",
+    "@tauri-apps/plugin-opener": "^2",
+    "three": "^0.183.2"
+  },
+  "devDependencies": {
+    "@sveltejs/adapter-static": "^3.0.6",
+    "@sveltejs/kit": "^2.9.0",
+    "@sveltejs/vite-plugin-svelte": "^5.0.0",
+    "@tauri-apps/cli": "^2",
+    "@types/three": "^0.183.1",
+    "svelte": "^5.0.0",
+    "svelte-check": "^4.0.0",
+    "typescript": "~5.6.2",
+    "vite": "^6.0.3"
+  }
+}

src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas

src-tauri/Cargo.toml

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+[package]
+name = "tauri-demo"
+version = "0.1.0"
+description = "A Tauri App"
+authors = ["you"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+# The `_lib` suffix may seem redundant but it is necessary
+# to make the lib name unique and wouldn't conflict with the bin name.
+# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
+name = "tauri_demo_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = ["tray-icon"] }
+tauri-plugin-opener = "2"
+serde = { version = "1", features = ["derive"] }
+anyhow = "1.0.102"
+tokio-serial = { version = "5.4.5" }
+tokio = { version = "1.50.0", features = ["full"] }
+async-trait = "0.1.89"
+tokio-util = "0.7.18"
+serde_json = "1"
+fern = { version = "0.7.1", features = ["colored", "date-based"] }
+log = "0.4.29"
+humantime = "2.3.0"
+csv = "1.4.0"
+chrono = "0.4.44"

src-tauri/build.rs

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+fn main() {
+    tauri_build::build()
+}

src-tauri/capabilities/default.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:window:allow-center",
+    "core:window:allow-current-monitor",
+    "core:window:allow-inner-size",
+    "core:window:allow-set-size",
+    "core:window:allow-start-dragging",
+    "opener:default"
+  ]
+}

src-tauri/recording_replay_debug_20260330.csv

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+3343,4073,2866,3169,2852,4608,4362,3313,1398,532,2078,2678,2630,3476,2688,356,4597,2658,1664,5000,3207,4163,3690,5000,5000,3728,2650,4225,1779,2656,5000,4211,204,4266,1460,103,4412,226,4310,143,4655,5000,5000,4735,2379,1708,1616,2164,3386,4403,1593,1839,4840,1569,3140,4888,3674,3089,1264,824,2974,4306,5000,256,3545,1863,825,2492,1332,3460,1153,4466,59,3462,3593,4811,1100,5000,3072,1266,1760,5000,2805,2885,14911
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src-tauri/src/commands/mod.rs

@@ -0,0 +1,2 @@
+pub mod serial;
+pub mod window;

src-tauri/src/commands/serial.rs

@@ -0,0 +1,289 @@
+use crate::serial_core::codecs::test::{export_recording_csv, TestCodec, TestCsvImporter, TestHandler};
+use crate::serial_core::error::SerialError;
+use crate::serial_core::record::CsvImporter;
+use crate::serial_core::{TestRecording, serial};
+use log::info;
+use serde::Serialize;
+use std::fs::File;
+use std::io::Cursor;
+use std::sync::{Arc, Mutex};
+use std::time::{Instant, SystemTime, UNIX_EPOCH};
+use tauri::{async_runtime::JoinHandle, AppHandle, Manager, State};
+use tokio_serial::{available_ports, SerialPortBuilderExt};
+use tokio_util::sync::CancellationToken;
+
+type SharedTestRecording = Arc<Mutex<TestRecording>>;
+
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SerialConnectResponse {
+    pub port: String,
+    pub connected: bool,
+    pub message: String,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SerialExportResponse {
+    pub path: String,
+    pub frame_count: usize,
+    pub message: String,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SerialImportFrame {
+    pub data: Vec<i32>,
+    pub dts_ms: u64,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SerialImportResponse {
+    pub file_name: String,
+    pub frame_count: usize,
+    pub channel_count: usize,
+    pub frames: Vec<SerialImportFrame>,
+    pub message: String,
+}
+
+struct SerialSession {
+    port: String,
+    cancel: CancellationToken,
+    task: JoinHandle<()>,
+    current_record: SharedTestRecording,
+}
+
+#[derive(Default)]
+pub struct SerialConnectionState {
+    session: Mutex<Option<SerialSession>>,
+    last_record: Mutex<Option<SharedTestRecording>>
+}
+
+#[tauri::command]
+pub fn serial_enum() -> Result<Vec<String>, SerialError> {
+    let ports = available_ports()
+        .map_err(|_| SerialError::ScanError)?
+        .into_iter()
+        .map(|info| info.port_name)
+        .collect();
+
+    Ok(ports)
+}
+
+#[tauri::command]
+pub async fn serial_connect(
+    app: AppHandle,
+    port: String,
+    state: State<'_, SerialConnectionState>,
+) -> Result<SerialConnectResponse, SerialError> {
+    let port_name = port.trim().to_string();
+    if port_name.is_empty() {
+        return Err(SerialError::InvalidConfig);
+    }
+
+    {
+        let session = state.session.lock().map_err(|_| SerialError::StateError)?;
+        if session.is_some() {
+            return Err(SerialError::AlreadyConnected);
+        }
+    }
+
+    let cancel = CancellationToken::new();
+    let current_record = Arc::new(Mutex::new(TestRecording::new()));
+    let task_record = current_record.clone();
+    let task_cancel = cancel.clone();
+    let task_app = app.clone();
+    let task_port_name = port_name.clone();
+
+    let port = tokio_serial::new(&port_name, 115200)
+        .open_native_async()
+        .map_err(|_| SerialError::OpenError)?;
+    let session_started_at = Instant::now();
+
+    let task = tauri::async_runtime::spawn(async move {
+        let codec = TestCodec::new();
+        let handler = TestHandler;
+
+        if let Err(error) = serial::run_serial(
+            task_app.clone(),
+            port,
+            codec,
+            handler,
+            session_started_at,
+            task_record.clone(),
+            task_cancel,
+        )
+        .await
+        {
+            eprintln!("serial task exited with error: {error}");
+        }
+
+        let manager = task_app.state::<SerialConnectionState>();
+        if let Ok(mut last_record) = manager.last_record.lock() {
+            *last_record = Some(task_record);
+        }
+
+        let mut session = match manager.session.lock() {
+            Ok(session) => session,
+            Err(_) => return,
+        };
+
+        {
+            let should_clear = session
+                .as_ref()
+                .map(|current| current.port.as_str() == task_port_name.as_str())
+                .unwrap_or(false);
+
+            if should_clear {
+                session.take();
+            }
+        }
+    });
+
+    let mut session = state.session.lock().map_err(|_| SerialError::StateError)?;
+    if session.is_some() {
+        cancel.cancel();
+        task.abort();
+        return Err(SerialError::AlreadyConnected);
+    }
+
+    *session = Some(SerialSession {
+        port: port_name.clone(),
+        cancel,
+        task,
+        current_record
+    });
+
+    Ok(SerialConnectResponse {
+        port: port_name,
+        connected: true,
+        message: "connected".to_string(),
+    })
+}
+
+#[tauri::command]
+pub async fn serial_disconnect(
+    state: State<'_, SerialConnectionState>,
+) -> Result<SerialConnectResponse, SerialError> {
+    let session = {
+        let mut guard = state.session.lock().map_err(|_| SerialError::StateError)?;
+        guard.take()
+    };
+
+    let Some(SerialSession {
+        port,
+        cancel,
+        task,
+        current_record,
+    }) = session
+    else {
+        return Ok(SerialConnectResponse {
+            port: String::new(),
+            connected: false,
+            message: "already disconnected".to_string(),
+        });
+    };
+
+    cancel.cancel();
+    let _ = task.await;
+    let frame_count = current_record.lock().map(|record| {
+        record.frames.len()
+    }).unwrap_or(0);
+
+    info!("last_record has {} frames", frame_count);
+
+    if let Ok(mut last_record) = state.last_record.lock() {
+        *last_record = Some(current_record);
+    }
+
+
+    Ok(SerialConnectResponse {
+        port,
+        connected: false,
+        message: "disconnected".to_string(),
+    })
+}
+
+#[tauri::command]
+pub fn serial_export_csv(
+    app: AppHandle,
+    state: State<'_, SerialConnectionState>,
+) -> Result<SerialExportResponse, SerialError> {
+    let current_record = {
+        let session = state.session.lock().map_err(|_| SerialError::StateError)?;
+        session
+            .as_ref()
+            .map(|current_session| current_session.current_record.clone())
+    };
+
+    let record = if let Some(recording) = current_record {
+        recording
+    } else {
+        let last_record = state.last_record.lock().map_err(|_| SerialError::StateError)?;
+        last_record.clone().ok_or(SerialError::NoRecordedData)?
+    };
+
+    let mut output_dir = match app.path().desktop_dir() {
+        Ok(path) => path,
+        Err(_) => std::env::current_dir().map_err(|_| SerialError::ExportError)?,
+    };
+
+    let timestamp = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_millis())
+        .unwrap_or_default();
+
+    output_dir.push(format!("joyson_export_{timestamp}.csv"));
+    let mut file = File::create(&output_dir).map_err(|_| SerialError::ExportError)?;
+
+    let frame_count = {
+        let recording = record.lock().map_err(|_| SerialError::StateError)?;
+        if recording.frames.is_empty() {
+            return Err(SerialError::NoRecordedData);
+        }
+
+        export_recording_csv(&recording, &mut file).map_err(|_| SerialError::ExportError)?;
+        recording.frames.len()
+    };
+
+    let path = output_dir.display().to_string();
+    info!("csv exported to {path}, frame_count={frame_count}");
+
+    Ok(SerialExportResponse {
+        path,
+        frame_count,
+        message: "exported".to_string(),
+    })
+}
+
+#[tauri::command]
+pub fn serial_import_csv(file_name: String, csv_content: String) -> Result<SerialImportResponse, SerialError> {
+    let mut importer = TestCsvImporter::new(file_name.as_str());
+    let packets = importer
+        .load(Cursor::new(csv_content.into_bytes()))
+        .map_err(|_| SerialError::ImportError)?;
+
+    if packets.is_empty() {
+        return Err(SerialError::NoRecordedData);
+    }
+
+    let channel_count = packets.first().map(|item| item.data.len()).unwrap_or(0);
+    let frame_count = packets.len();
+    let frames = packets
+        .into_iter()
+        .map(|packet| SerialImportFrame {
+            data: packet.data,
+            dts_ms: packet.dts_ms,
+        })
+        .collect();
+
+    Ok(SerialImportResponse {
+        file_name,
+        frame_count,
+        channel_count,
+        frames,
+        message: "imported".to_string(),
+    })
+}

src-tauri/src/commands/window.rs

@@ -0,0 +1,32 @@
+use tauri::{AppHandle, Manager, WebviewWindow};
+
+fn main_window(app: &AppHandle) -> Result<WebviewWindow, String> {
+    app.get_webview_window("main")
+        .ok_or_else(|| "Can't find main window".to_string())
+}
+
+#[tauri::command]
+pub fn win_minimize(app: AppHandle) -> Result<(), String> {
+    main_window(&app)?
+        .minimize()
+        .map_err(|error| error.to_string())
+}
+
+#[tauri::command]
+pub fn win_toggle_maximize(app: AppHandle) -> Result<(), String> {
+    let window = main_window(&app)?;
+    let is_maximized = window.is_maximized().map_err(|error| error.to_string())?;
+
+    if is_maximized {
+        window.unmaximize().map_err(|error| error.to_string())
+    } else {
+        window.maximize().map_err(|error| error.to_string())
+    }
+}
+
+#[tauri::command]
+pub fn win_close(app: AppHandle) -> Result<(), String> {
+    main_window(&app)?
+        .close()
+        .map_err(|error| error.to_string())
+}

src-tauri/src/lib.rs

@@ -0,0 +1,23 @@
+mod commands;
+pub mod serial_core;
+pub mod log;
+use commands::serial::SerialConnectionState;
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .manage(SerialConnectionState::default())
+        .plugin(tauri_plugin_opener::init())
+        .invoke_handler(tauri::generate_handler![
+            commands::serial::serial_enum,
+            commands::serial::serial_connect,
+            commands::serial::serial_disconnect,
+            commands::serial::serial_export_csv,
+            commands::serial::serial_import_csv,
+            commands::window::win_minimize,
+            commands::window::win_toggle_maximize,
+            commands::window::win_close
+        ])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

src-tauri/src/log.rs

@@ -0,0 +1,36 @@
+use fern::colors::{Color, ColoredLevelConfig};
+use log::{debug, error, info, trace, warn};
+use std::time::SystemTime;
+pub fn setup_logger() {
+    let colors_line = ColoredLevelConfig::new()
+        .error(Color::Red)
+        .warn(Color::Yellow)
+        .info(Color::Green)
+        .debug(Color::White)
+        .trace(Color::BrightBlack);
+
+    let colors_level = colors_line.info(Color::Green);
+    fern::Dispatch::new()
+        .format(move |out, message, record| {
+            out.finish(
+                format_args!(
+                    "{colors_line}[{data} {level} {target} {colors_line}] {message}\x1B[0m",
+                    colors_line = format_args!(
+                        "\x1B[{}m",
+                        colors_line.get_color(&record.level()).to_fg_str()
+                    ),
+                    data = humantime::format_rfc3339_seconds(SystemTime::now()),
+                    target = record.target(),
+                    level = colors_level.color(record.level()),
+                    message = message,
+                )
+            );
+        })
+        .level(log::LevelFilter::Info)
+        .chain(std::io::stdout())
+        .chain(fern::DateBased::new("program.log", "%Y-%m-%d"))
+        .apply()
+        .unwrap();
+
+    debug!("logging initialized");
+}

src-tauri/src/main.rs

@@ -0,0 +1,10 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+use log::{debug, error, info, trace, warn};
+use tauri_demo_lib::log::setup_logger;
+
+fn main() {
+    setup_logger();
+    debug!("logging initialized");
+    tauri_demo_lib::run()
+}

src-tauri/src/serial_core/codec.rs

@@ -0,0 +1,6 @@
+use crate::serial_core::error::CodecError;
+use std::time::Instant;
+pub trait Codec<F> {
+    fn decode(&mut self, input: &[u8], session_started_at: Instant) -> Result<Vec<F>, CodecError>;
+    fn encode(&self, frame: &F) -> Result<Vec<u8>, CodecError>;
+}

src-tauri/src/serial_core/codecs/mod.rs

@@ -0,0 +1,4 @@
+use crate::serial_core::{frame::TestFrame, record::Recording};
+
+pub mod test;
+pub type TestRecording = Recording<TestFrame>;

src-tauri/src/serial_core/codecs/test.rs

@@ -0,0 +1,258 @@
+use std::io::Read;
+use std::time::Instant;
+use crate::serial_core::frame::{crc8, usize_to_u16_be_bytes, FrameHandler};
+use crate::serial_core::{codec::Codec, error::CodecError, frame::TestFrame};
+use anyhow::anyhow;
+use async_trait::async_trait;
+use chrono::Local;
+use csv::StringRecord;
+use crate::serial_core::record::{write_csv, CsvExporter, CsvImporter, RecordedFrame, Recording};
+
+pub struct TestCodec {
+    buffer: Vec<u8>,
+}
+
+pub struct TestHandler;
+
+impl TestCodec {
+    pub fn new() -> TestCodec {
+        Self { buffer: Vec::new() }
+    }
+}
+
+impl Codec<TestFrame> for TestCodec {
+    fn decode(&mut self, input: &[u8], session_started_at: Instant) -> Result<Vec<TestFrame>, CodecError> {
+        self.buffer.extend_from_slice(input);
+        let mut frames = Vec::new();
+
+        loop {
+            if self.buffer.len() < 6 {
+                break;
+            }
+
+            let header_pos = self.buffer.windows(2).position(|w| w == [0xAA, 0x55]);
+
+            let Some(pos) = header_pos else {
+                self.buffer.clear();
+                break;
+            };
+            if pos > 0 {
+                self.buffer.drain(0..pos);
+            }
+
+            if self.buffer.len() < 6 {
+                break;
+            }
+
+            let cmd = self.buffer[2];
+            let length_bytes = [self.buffer[3], self.buffer[4]];
+            let length = u16::from_be_bytes(length_bytes) as usize;
+            let frame_length = (length + 6) as usize;
+            if self.buffer.len() < frame_length {
+                break;
+            }
+            let payload = self.buffer[5..5 + length].to_vec();
+            let checksum = crc8(payload.as_slice());
+            if self.buffer[frame_length - 1] != checksum {
+                self.buffer.drain(0..1);
+                continue;
+            }
+            let dts = elapsed_millis(session_started_at);
+            println!("dts_ms: {dts}");
+            frames.push(TestFrame {
+                header: [0xAA, 0x55],
+                cmd: cmd,
+                length: length,
+                payload: payload,
+                checksum: checksum,
+                dts_ms: dts,
+            });
+
+            self.buffer.drain(0..frame_length);
+        }
+
+        Ok(frames)
+    }
+    fn encode(&self, frame: &TestFrame) -> Result<Vec<u8>, CodecError> {
+        let _ = u16::try_from(frame.payload.len()).map_err(|_| CodecError::PayloadTooLarge)?;
+        let mut out = Vec::with_capacity(6 + frame.length);
+        out.extend_from_slice(&frame.header);
+        out.push(frame.cmd);
+        out.extend_from_slice(&usize_to_u16_be_bytes(frame.length));
+        out.extend_from_slice(&frame.payload);
+        out.push(frame.checksum);
+
+        Ok(out)
+    }
+}
+
+#[async_trait]
+impl FrameHandler<TestFrame, i32> for TestHandler {
+    async fn on_frame(&mut self, frame: &TestFrame) -> anyhow::Result<Option<Vec<i32>>> {
+        match frame.cmd {
+            0x01 => {
+                let vals = parse_data_frame(&frame.payload)?;
+                Ok(Some(vals))
+            }
+            _ => Ok(None),
+        }
+    }
+}
+
+fn parse_data_frame(data: &[u8]) -> Result<Vec<i32>, CodecError> {
+    if data.len() % 2 != 0 {
+        return Err(CodecError::InvalidLength);
+    }
+
+    let vals: Vec<i32> = data
+        .chunks_exact(2)
+        .map(|chunk| u16::from_be_bytes([chunk[0], chunk[1]]) as i32)
+        .collect::<Vec<i32>>();
+
+    Ok(vals)
+}
+
+fn elapsed_millis(start_at: Instant) -> u64 {
+    start_at.elapsed().as_millis() as u64
+}
+
+pub struct TestCsvExporter;
+pub struct TestCsvImporter {
+    channels: usize,
+    data_row: usize,
+    packets: Vec<TestDataPacket>,
+}
+
+#[derive(Clone)]
+pub struct TestDataPacket {
+    pub data: Vec<i32>,
+    pub dts_ms: u64
+}
+
+impl TryFrom<&TestFrame> for TestDataPacket {
+    type Error = CodecError;
+    fn try_from(frame: &TestFrame) -> Result<TestDataPacket, Self::Error> {
+        let data = parse_data_frame(&frame.payload)?;
+        let dts = frame.dts_ms;
+        Ok(TestDataPacket { data: data, dts_ms: dts })
+    }
+}
+// impl From<TestFrame> for TestDataPacket {
+//     fn from(frame: TestFrame) -> Self {
+//         let data = parse_data_frame(&frame.payload)?;
+//         let dts = frame.dts_ms;
+//         TestDataPacket { data: data, dts_ms: dts }
+//     }
+// }
+
+
+impl CsvExporter<TestFrame> for TestCsvExporter {
+    type Error = CodecError;
+    fn csv_header(&self, recording: &Recording<TestFrame>) -> Vec<String> {
+        let channel_nb = recording
+            .frames
+            .iter()
+            .find_map(|frame| parse_data_frame(&frame.frame.payload).ok().map(|vals| vals.len()))
+            .unwrap_or(0);
+        let mut header: Vec<String> = Vec::new();
+        for i in 0..channel_nb {
+            header.push(format!("channel{}", i + 1));
+        }
+        header.push("dts".to_string());
+
+        header
+    }
+
+    fn csv_row(&self, item: &RecordedFrame<TestFrame>) -> anyhow::Result<Vec<String>> {
+        let packet: TestDataPacket = TestDataPacket::try_from(&item.frame)?;
+        let mut row: Vec<String> = packet.data.iter().map(|&x| x.to_string()).collect();
+        row.push(packet.dts_ms.to_string());
+        Ok(row)
+    }
+}
+
+impl TestCsvImporter {
+    pub fn new(_path: &str) -> TestCsvImporter {
+        Self {
+            channels: 0,
+            data_row: 0,
+            packets: Vec::new(),
+        }
+    }
+
+    fn parse_record(&mut self, record: StringRecord) -> anyhow::Result<TestDataPacket>{
+        if self.channels == 0 {
+            return Err(anyhow!("csv header is missing channel columns"));
+        }
+
+        if record.len() < self.channels + 1 {
+            return Err(anyhow!("csv row has insufficient columns"));
+        }
+
+        let mut data = Vec::with_capacity(self.channels);
+        for index in 0..self.channels {
+            let cell = record.get(index).ok_or_else(|| anyhow!("missing channel cell"))?;
+            data.push(cell.parse::<i32>()?);
+        }
+
+        let dts_cell = record
+            .get(self.channels)
+            .ok_or_else(|| anyhow!("missing dts cell"))?;
+        let dts_ms = dts_cell.parse::<u64>()?;
+
+        Ok(TestDataPacket {
+            data: data,
+            dts_ms: dts_ms,
+        })
+    }
+}
+
+impl CsvImporter<TestDataPacket> for TestCsvImporter {
+    fn load<R: Read>(&mut self, reader: R) -> anyhow::Result<Vec<TestDataPacket>> {
+        let mut rdr = csv::Reader::from_reader(reader);
+        let headers = rdr.headers()?.clone();
+        self.channels = headers.len().saturating_sub(1);
+        self.data_row = 0;
+        self.packets.clear();
+
+        for record in rdr.records() {
+            let record = record?;
+            let packet = self.parse_record(record)?;
+            self.packets.push(packet);
+            self.data_row += 1;
+        }
+
+        Ok(self.packets.clone())
+    }
+}
+
+
+pub fn export_recording_csv<W>(recording: &Recording<TestFrame>, writer: W) -> anyhow::Result<()>
+where
+    W: std::io::Write,
+{
+    let now = Local::now();
+    let filename = format!("joyson_{}", now.format("%Y%m%d_%H%M%S"));
+    write_csv(recording, &TestCsvExporter, &filename)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use csv::Reader;
+    use std::io::Cursor;
+
+    #[test]
+    fn test_read_csv_basic() -> anyhow::Result<()> {
+        let mut rdr = Reader::from_path("recording_20260329_125238.csv")?;
+        let headers = rdr.headers()?;
+        println!("headers: {:?}", headers);
+
+        for result in rdr.records() {
+            let record = result?;
+            println!("record: {:?}", record);
+        }
+
+        Ok(())
+    }
+}

src-tauri/src/serial_core/error.rs

@@ -0,0 +1,52 @@
+use serde::Serialize;
+use std::fmt;
+
+#[derive(Debug, Serialize)]
+pub enum SerialError {
+    OpenError,
+    CloseError,
+    ScanError,
+    InvalidConfig,
+    AlreadyConnected,
+    StateError,
+    NoRecordedData,
+    ExportError,
+    ImportError,
+}
+
+impl fmt::Display for SerialError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            SerialError::OpenError => write!(f, "Opening Error"),
+            SerialError::CloseError => write!(f, "Closing Error"),
+            SerialError::ScanError => write!(f, "Scan Error"),
+            SerialError::InvalidConfig => write!(f, "Invalid Config"),
+            SerialError::AlreadyConnected => write!(f, "Already Connected"),
+            SerialError::StateError => write!(f, "State Error"),
+            SerialError::NoRecordedData => write!(f, "No Recorded Data"),
+            SerialError::ExportError => write!(f, "Export Error"),
+            SerialError::ImportError => write!(f, "Import Error"),
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum CodecError {
+    InvalidHeader,
+    InvalidTail,
+    InvalidLength,
+    PayloadTooLarge,
+}
+
+impl fmt::Display for CodecError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            CodecError::InvalidHeader => write!(f, "Invalid Header"),
+            CodecError::InvalidTail => write!(f, "Invalid Tail"),
+            CodecError::InvalidLength => write!(f, "Invalid Length"),
+            CodecError::PayloadTooLarge => write!(f, "Payload too large"),
+        }
+    }
+}
+
+impl std::error::Error for CodecError {}

src-tauri/src/serial_core/frame.rs

@@ -0,0 +1,43 @@
+use anyhow::Result;
+use async_trait::async_trait;
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct TestFrame {
+    pub header: [u8; 2],
+    pub cmd: u8,
+    pub length: usize,
+    pub payload: Vec<u8>,
+    pub checksum: u8,
+    pub dts_ms: u64
+}
+
+
+
+#[async_trait]
+pub trait FrameHandler<F, T>: Send {
+    async fn on_frame(&mut self, frame: &F) -> Result<Option<Vec<T>>>;
+}
+
+pub fn usize_to_u16_be_bytes(n: usize) -> [u8; 2] {
+    (n as u16).to_be_bytes()
+}
+
+pub fn usize_to_u16_le_bytes(n: usize) -> [u8; 2] {
+    (n as u16).to_be_bytes()
+}
+
+pub fn crc8(data: &[u8]) -> u8 {
+    let mut crc: u8 = 0x00;
+
+    for &byte in data {
+        crc ^= byte;
+        for _ in 0..8 {
+            if (crc & 0x80) != 0 {
+                crc = (crc << 1) ^ 0x07;
+            } else {
+                crc <<= 1;
+            }
+        }
+    }
+
+    crc
+}

src-tauri/src/serial_core/mod.rs

@@ -0,0 +1,27 @@
+use crate::serial_core::{frame::TestFrame, record::Recording};
+
+pub mod codec;
+pub mod codecs;
+pub mod error;
+pub mod frame;
+pub mod model;
+pub mod serial;
+pub mod record;
+
+pub type TestRecording = Recording<TestFrame>;
+
+pub struct SerialConnection {
+    pub port: String,
+}
+
+pub fn connect(port: &str) -> Result<SerialConnection, String> {
+    let port = port.trim();
+
+    if port.is_empty() {
+        return Err("Serial port is required".to_string());
+    }
+
+    Ok(SerialConnection {
+        port: port.to_string(),
+    })
+}

src-tauri/src/serial_core/model.rs

@@ -0,0 +1,500 @@
+use crate::serial_core::frame::TestFrame;
+use std::collections::HashMap;
+use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
+
+const MAX_POINTS: usize = 28;
+const MAX_SUMMARY_POINTS: usize = 42;
+const PANEL_STALE_AFTER: Duration = Duration::from_millis(2400);
+
+#[derive(serde::Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct HudPacket {
+    pub ts: u64,
+    pub panels: Vec<HudSignalPanel>,
+    pub summary: HudSummary,
+    pub pressure_matrix: Option<Vec<f32>>,
+}
+
+#[derive(serde::Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct HudSummary {
+    pub label: String,
+    pub points: Vec<f32>,
+    pub latest: Option<f32>,
+    pub min: Option<f32>,
+    pub max: Option<f32>,
+}
+
+#[derive(serde::Serialize, Clone, Copy)]
+#[serde(rename_all = "lowercase")]
+pub enum HudPanelSide {
+    Left,
+    Right,
+}
+
+#[derive(serde::Serialize, Clone, Copy)]
+#[serde(rename_all = "lowercase")]
+pub enum HudTone {
+    Cyan,
+    Lime,
+    Orange,
+    Violet,
+    Gold,
+    Rose,
+}
+
+#[derive(serde::Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct HudSignalPanel {
+    pub id: String,
+    pub code: String,
+    pub title: String,
+    pub side: HudPanelSide,
+    pub active: bool,
+    pub series: Vec<HudSignalSeries>,
+    pub icons: Vec<HudSignalIcon>,
+    pub latest: Option<f32>,
+    pub min: Option<f32>,
+    pub max: Option<f32>,
+}
+
+#[derive(serde::Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct HudSignalSeries {
+    pub id: String,
+    pub tone: HudTone,
+    pub points: Vec<f32>,
+}
+
+#[derive(serde::Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct HudSignalIcon {
+    pub id: String,
+    pub label: String,
+    pub tone: HudTone,
+}
+
+struct HudPanelUpdate {
+    source_id: String,
+    values: Vec<f32>,
+}
+
+struct PanelEntry {
+    panel: HudSignalPanel,
+    last_seen: Instant,
+}
+
+pub struct HudChartState {
+    panels: HashMap<String, PanelEntry>,
+    order: Vec<String>,
+    summary_points: Vec<f32>,
+    pressure_matrix: Option<Vec<f32>>,
+    last_frame_seen: Option<Instant>,
+}
+
+impl HudChartState {
+    pub fn new() -> Self {
+        Self {
+            panels: HashMap::new(),
+            order: Vec::new(),
+            summary_points: Vec::new(),
+            pressure_matrix: None,
+            last_frame_seen: None,
+        }
+    }
+
+    pub fn record_summary(&mut self, value: f32) {
+        push_summary_point(&mut self.summary_points, value);
+    }
+
+    pub fn record_pressure_matrix(&mut self, values: &[i32]) {
+        if values.is_empty() {
+            return;
+        }
+
+        self.pressure_matrix = Some(values.iter().map(|value| *value as f32).collect());
+    }
+
+    pub fn apply_frame(&mut self, frame: &TestFrame, decoded_values: Option<&[i32]>) -> HudPacket {
+        let now = Instant::now();
+        self.last_frame_seen = Some(now);
+
+        for update in expand_frame_updates(frame, decoded_values) {
+            self.apply_update(update, now);
+        }
+
+        self.prune_stale_at(now);
+        self.snapshot()
+    }
+
+    pub fn prune_stale(&mut self) -> Option<HudPacket> {
+        let before = self.panels.len();
+        let summary_points_before = self.summary_points.len();
+        self.prune_stale_at(Instant::now());
+
+        if before == self.panels.len() && summary_points_before == self.summary_points.len() {
+            return None;
+        }
+
+        Some(self.snapshot())
+    }
+
+    fn apply_update(&mut self, update: HudPanelUpdate, now: Instant) {
+        if update.values.is_empty() {
+            return;
+        }
+
+        if !self.panels.contains_key(&update.source_id) {
+            let next_side = side_for_index(self.order.len());
+            self.order.push(update.source_id.clone());
+            self.panels.insert(
+                update.source_id.clone(),
+                PanelEntry {
+                    panel: build_panel(&update.source_id, next_side, update.values.len()),
+                    last_seen: now,
+                },
+            );
+        }
+
+        let entry = self
+            .panels
+            .get_mut(&update.source_id)
+            .expect("panel entry should exist after insertion");
+
+        entry.last_seen = now;
+        entry.panel.active = true;
+        ensure_panel_channels(&mut entry.panel, update.values.len());
+
+        for (index, value) in update.values.into_iter().enumerate() {
+            if let Some(series) = entry.panel.series.get_mut(index) {
+                push_point(&mut series.points, value);
+            }
+        }
+
+        refresh_panel_stats(&mut entry.panel);
+    }
+
+    fn prune_stale_at(&mut self, now: Instant) {
+        self.panels
+            .retain(|_, entry| now.duration_since(entry.last_seen) <= PANEL_STALE_AFTER);
+        self.order.retain(|id| self.panels.contains_key(id));
+
+        let summary_stale = self
+            .last_frame_seen
+            .map(|last_seen| now.duration_since(last_seen) > PANEL_STALE_AFTER)
+            .unwrap_or(false);
+
+        if summary_stale {
+            self.summary_points.clear();
+            self.pressure_matrix = None;
+            self.last_frame_seen = None;
+        }
+    }
+
+    fn snapshot(&mut self) -> HudPacket {
+        self.rebalance_sides();
+
+        let panels = self
+            .order
+            .iter()
+            .filter_map(|id| self.panels.get(id).map(|entry| entry.panel.clone()))
+            .collect();
+
+        HudPacket {
+            ts: now_millis(),
+            panels,
+            summary: build_summary(&self.summary_points),
+            pressure_matrix: self.pressure_matrix.clone(),
+        }
+    }
+
+    fn rebalance_sides(&mut self) {
+        for (index, id) in self.order.iter().enumerate() {
+            if let Some(entry) = self.panels.get_mut(id) {
+                entry.panel.side = side_for_index(index);
+            }
+        }
+    }
+}
+
+impl Default for HudChartState {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+fn build_panel(source_id: &str, side: HudPanelSide, channel_count: usize) -> HudSignalPanel {
+    HudSignalPanel {
+        id: format!("panel-{source_id}"),
+        code: source_id.to_string(),
+        title: format!("Source {source_id}"),
+        side,
+        active: true,
+        series: build_panel_series(source_id, channel_count, &[]),
+        icons: build_panel_icons(source_id, channel_count),
+        latest: None,
+        min: None,
+        max: None,
+    }
+}
+
+fn expand_frame_updates(frame: &TestFrame, decoded_values: Option<&[i32]>) -> Vec<HudPanelUpdate> {
+    if let Some(values) = decoded_values {
+        if values.is_empty() {
+            return Vec::new();
+        }
+
+        return vec![HudPanelUpdate {
+            source_id: format_source_id(frame.cmd),
+            values: values.iter().map(|value| *value as f32).collect(),
+        }];
+    }
+
+    let chunks = frame.payload.chunks_exact(4);
+
+    if !frame.payload.is_empty() && chunks.remainder().is_empty() {
+        return chunks.map(build_update_from_chunk).collect();
+    }
+
+    vec![HudPanelUpdate {
+        source_id: format_source_id(frame.cmd),
+        values: fallback_values(frame),
+    }]
+}
+
+fn build_update_from_chunk(chunk: &[u8]) -> HudPanelUpdate {
+    HudPanelUpdate {
+        source_id: format_source_id(chunk[0]),
+        values: chunk[1..]
+            .iter()
+            .enumerate()
+            .map(|(index, byte)| normalize_value(*byte, tone_for_index(index)))
+            .collect(),
+    }
+}
+
+fn fallback_values(frame: &TestFrame) -> Vec<f32> {
+    let mut bytes = frame.payload.clone();
+
+    if bytes.is_empty() {
+        bytes.extend([
+            frame.cmd,
+            frame.length as u8,
+            frame.checksum,
+            frame.cmd.wrapping_add(frame.checksum),
+        ]);
+    }
+
+    while bytes.len() < 3 {
+        let previous = *bytes.last().unwrap_or(&frame.cmd);
+        bytes.push(
+            previous
+                .wrapping_add(frame.cmd)
+                .wrapping_add(bytes.len() as u8),
+        );
+    }
+
+    bytes
+        .into_iter()
+        .enumerate()
+        .map(|(index, byte)| normalize_value(byte, tone_for_index(index)))
+        .collect()
+}
+
+fn normalize_value(byte: u8, tone: HudTone) -> f32 {
+    let base = (byte as f32 / 255.0) * 100.0;
+    let offset = match tone {
+        HudTone::Cyan => 6.0,
+        HudTone::Lime => 0.0,
+        HudTone::Orange => -6.0,
+        HudTone::Violet => 10.0,
+        HudTone::Gold => -10.0,
+        HudTone::Rose => 3.0,
+    };
+
+    (base + offset).clamp(0.0, 100.0)
+}
+
+fn format_source_id(byte: u8) -> String {
+    if byte.is_ascii_alphanumeric() {
+        (byte as char).to_ascii_uppercase().to_string()
+    } else {
+        format!("CH{:02X}", byte)
+    }
+}
+
+fn side_for_index(index: usize) -> HudPanelSide {
+    if index % 2 == 0 {
+        HudPanelSide::Left
+    } else {
+        HudPanelSide::Right
+    }
+}
+
+fn push_point(points: &mut Vec<f32>, value: f32) {
+    if points.len() >= MAX_POINTS {
+        points.remove(0);
+    }
+
+    points.push((value * 10.0).round() / 10.0);
+}
+
+fn build_panel_series(
+    source_id: &str,
+    channel_count: usize,
+    previous: &[HudSignalSeries],
+) -> Vec<HudSignalSeries> {
+    (0..channel_count)
+        .map(|index| HudSignalSeries {
+            id: format!("{source_id}-series-{}", index + 1),
+            tone: tone_for_index(index),
+            points: previous
+                .get(index)
+                .map(|series| series.points.clone())
+                .unwrap_or_default(),
+        })
+        .collect()
+}
+
+fn build_panel_icons(source_id: &str, channel_count: usize) -> Vec<HudSignalIcon> {
+    (0..channel_count)
+        .map(|index| HudSignalIcon {
+            id: format!("{source_id}-icon-{}", index + 1),
+            label: if channel_count == 1 {
+                "TOTAL".to_string()
+            } else {
+                format!("{source_id}-{}", index + 1)
+            },
+            tone: tone_for_index(index),
+        })
+        .collect()
+}
+
+fn ensure_panel_channels(panel: &mut HudSignalPanel, channel_count: usize) {
+    if panel.series.len() == channel_count && panel.icons.len() == channel_count {
+        return;
+    }
+
+    panel.series = build_panel_series(&panel.code, channel_count, &panel.series);
+    panel.icons = build_panel_icons(&panel.code, channel_count);
+}
+
+fn refresh_panel_stats(panel: &mut HudSignalPanel) {
+    let latest_values: Vec<f32> = panel
+        .series
+        .iter()
+        .filter_map(|series| series.points.last().copied())
+        .collect();
+
+    panel.latest = if latest_values.is_empty() {
+        None
+    } else {
+        Some(latest_values.iter().sum::<f32>() / latest_values.len() as f32)
+    };
+
+    panel.min = panel
+        .series
+        .iter()
+        .flat_map(|series| series.points.iter().copied())
+        .reduce(f32::min);
+
+    panel.max = panel
+        .series
+        .iter()
+        .flat_map(|series| series.points.iter().copied())
+        .reduce(f32::max);
+}
+
+fn tone_for_index(index: usize) -> HudTone {
+    match index % 6 {
+        0 => HudTone::Cyan,
+        1 => HudTone::Lime,
+        2 => HudTone::Orange,
+        3 => HudTone::Violet,
+        4 => HudTone::Gold,
+        _ => HudTone::Rose,
+    }
+}
+
+fn push_summary_point(points: &mut Vec<f32>, value: f32) {
+    if points.len() >= MAX_SUMMARY_POINTS {
+        points.remove(0);
+    }
+
+    points.push((value * 10.0).round() / 10.0);
+}
+
+fn build_summary(points: &[f32]) -> HudSummary {
+    HudSummary {
+        label: "TOTAL".to_string(),
+        points: points.to_vec(),
+        latest: points.last().copied(),
+        min: points.iter().copied().reduce(f32::min),
+        max: points.iter().copied().reduce(f32::max),
+    }
+}
+
+fn now_millis() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_millis() as u64)
+        .unwrap_or_default()
+}
+
+// #[cfg(test)]
+// mod tests {
+//     use super::*;
+//
+//     fn sample_frame() -> TestFrame {
+//         TestFrame {
+//             header: [0xAA, 0x55],
+//             cmd: 0x01,
+//             length: 4,
+//             payload: vec![0x00, 0x0A, 0x00, 0x14],
+//             checksum: 0,
+//
+//         }
+//     }
+//
+//     #[test]
+//     fn prune_stale_clears_panels_and_summary_after_timeout() {
+//         let mut state = HudChartState::new();
+//         let frame = sample_frame();
+//
+//         state.record_summary(30.0);
+//         let _ = state.apply_frame(&frame, Some(&[10, 20]));
+//
+//         let stale_now = Instant::now();
+//         let stale_seen = stale_now - PANEL_STALE_AFTER - Duration::from_millis(1);
+//
+//         state.last_frame_seen = Some(stale_seen);
+//
+//         for entry in state.panels.values_mut() {
+//             entry.last_seen = stale_seen;
+//         }
+//
+//         let packet = state
+//             .prune_stale()
+//             .expect("stale data should emit an update");
+//
+//         assert!(packet.panels.is_empty());
+//         assert!(packet.summary.points.is_empty());
+//         assert!(state.panels.is_empty());
+//         assert!(state.summary_points.is_empty());
+//     }
+//
+//     #[test]
+//     fn prune_stale_keeps_recent_summary_points() {
+//         let mut state = HudChartState::new();
+//         let frame = sample_frame();
+//
+//         state.record_summary(30.0);
+//         let _ = state.apply_frame(&frame, Some(&[10, 20]));
+//
+//         state.last_frame_seen = Some(Instant::now());
+//
+//         assert!(state.prune_stale().is_none());
+//         assert_eq!(state.summary_points, vec![30.0]);
+//         assert_eq!(state.panels.len(), 1);
+//     }
+// }

src-tauri/src/serial_core/record.rs

@@ -0,0 +1,64 @@
+use std::fs::{write, File};
+use std::io;
+use anyhow::{Result, anyhow};
+use csv::Reader;
+
+#[derive(Clone)]
+pub struct FrameTiming {
+    pub pts_ms: Option<u64>,
+    pub dts_ms: u64,
+}
+
+#[derive(Clone)]
+pub struct RecordedFrame<F> {
+    pub timing: FrameTiming,
+    pub frame: F
+}
+
+#[derive(Clone, Default)]
+pub struct Recording<F> {
+    pub frames: Vec<RecordedFrame<F>>
+}
+
+impl<F> Recording<F> {
+    pub fn new() -> Recording<F> { Self { frames: Vec::new() } }
+    pub fn push(&mut self, ite: RecordedFrame<F>) {
+        self.frames.push(ite);
+    }
+}
+
+pub trait CsvExporter<F> {
+    type Error: std::error::Error + Send + Sync + 'static;
+    fn csv_header(&self, recording: &Recording<F>) -> Vec<String>;
+    fn csv_row(&self, item: &RecordedFrame<F>) -> anyhow::Result<Vec<String>>;
+}
+
+// TODO: CsvImporter
+pub trait CsvImporter<P> {
+    fn load<R: std::io::Read>(&mut self, reader: R) -> anyhow::Result<Vec<P>>;
+}
+
+pub fn write_csv<F, E>(
+    recording: &Recording<F>,
+    exporter: &E,
+    path: &str
+    // mut writer: W,
+) -> anyhow::Result<()>
+where
+    E: CsvExporter<F>,
+    // W: std::io::Write
+{
+    let header = exporter.csv_header(&recording);
+    // let mut wrt = csv::Writer::from_writer(io::stdout());
+
+    let mut wrt = csv::Writer::from_path(format!("{}.csv", path))?;
+    wrt.write_record(header)?;
+    for f in &recording.frames {
+        let row = exporter.csv_row(f)?;
+        wrt.write_record(&row)?;
+    }
+
+    wrt.flush()?;
+
+    Ok(())
+}

src-tauri/src/serial_core/serial.rs

@@ -0,0 +1,80 @@
+use crate::serial_core::codec::Codec;
+use crate::serial_core::frame::{FrameHandler, TestFrame};
+use crate::serial_core::model::HudChartState;
+use anyhow::Result;
+use tauri::{AppHandle, Emitter};
+use tokio::io::AsyncReadExt;
+use tokio::time::{self, Duration, MissedTickBehavior};
+use tokio_serial::SerialStream;
+use tokio_util::sync::CancellationToken;
+use std::sync::{Arc, Mutex};
+use std::time::Instant;
+use log::info;
+use crate::serial_core::record::{FrameTiming, RecordedFrame};
+use crate::serial_core::TestRecording;
+
+pub async fn run_serial<C, H, T>(
+    app: AppHandle,
+    mut port: SerialStream,
+    mut codec: C,
+    mut handler: H,
+    session_started_at: Instant,
+    recording: Arc<Mutex<TestRecording>>,
+    cancel: CancellationToken,
+) -> Result<()>
+where
+    C: Codec<TestFrame> + Send + 'static,
+    H: FrameHandler<TestFrame, T> + Send + 'static,
+    T: Into<i32>,
+{
+    let mut chart_state = HudChartState::new();
+    let mut buffer = [0u8; 1024];
+    let mut prune_interval = time::interval(Duration::from_millis(450));
+    prune_interval.set_missed_tick_behavior(MissedTickBehavior::Delay);
+
+    loop {
+        tokio::select! {
+            _ = cancel.cancelled() => break,
+            _ = prune_interval.tick() => {
+                if let Some(packet) = chart_state.prune_stale() {
+                    app.emit("hud_stream", packet)?;
+                }
+            }
+            read_result = port.read(&mut buffer) => {
+                let n = read_result?;
+                if n == 0 {
+                    continue;
+                }
+
+                let frames = codec.decode(&buffer[..n], session_started_at)?;
+                for frame in frames {
+                    let decode_res = handler
+                        .on_frame(&frame)
+                        .await?
+                        .map(|vals| vals.into_iter().map(Into::into).collect::<Vec<i32>>());
+
+                    let mut record = recording.lock().map_err(|_| anyhow::anyhow!("recording state poisoned"))?;
+                    record.push(RecordedFrame{
+                        timing: FrameTiming { pts_ms: None, dts_ms: frame.dts_ms },
+                        frame: frame.clone(),
+                    });
+
+                    let display_values = if let Some(vals) = decode_res.as_ref() {
+                        let summary = vals.iter().copied().sum::<i32>();
+                        info!("dot value summary: {}", summary);
+                        chart_state.record_summary(summary as f32);
+                        chart_state.record_pressure_matrix(vals.as_slice());
+                        Some(vec![summary])
+                    } else {
+                        None
+                    };
+
+                    let packet = chart_state.apply_frame(&frame, display_values.as_deref());
+                    app.emit("hud_stream", packet)?;
+                }
+            }
+        }
+    }
+
+    Ok(())
+}

src-tauri/tauri.conf.json

@@ -0,0 +1,36 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "tauri-demo",
+  "version": "0.1.0",
+  "identifier": "com.lenn.tauri-serial",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../build"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "joyson-serial",
+        "width": 1366,
+        "height": 860,
+        "decorations": false
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.ico",
+      "icons/icon.png"
+    ]
+  }
+}

src/app.html

@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%sveltekit.assets%/favicon.png" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Tauri + SvelteKit + Typescript App</title>
+    %sveltekit.head%
+  </head>
+  <body data-sveltekit-preload-data="hover">
+    <div style="display: contents">%sveltekit.body%</div>
+  </body>
+</html>

src/lib/components/CenterStage.svelte

@@ -0,0 +1,774 @@
+<script lang="ts">
+  import { createEventDispatcher } from "svelte";
+  import { flip } from "svelte/animate";
+  import { cubicIn, cubicOut } from "svelte/easing";
+  import { onMount } from "svelte";
+  import { fly } from "svelte/transition";
+  import ConfigPanel from "$lib/components/ConfigPanel.svelte";
+  import PressureMatrixViewer from "$lib/components/PressureMatrixViewer.svelte";
+  import SignalChart from "$lib/components/SignalChart.svelte";
+  import SummaryCurve from "$lib/components/SummaryCurve.svelte";
+  import type {
+    HudColorMapOption,
+    HudSignalPanel,
+    HudSummary,
+    PressureColorMapPreset,
+    StageStatusTone
+  } from "$lib/types/hud";
+
+  export let title = "";
+  export let hint = "";
+  export let statusText = "";
+  export let statusTone: StageStatusTone = "idle";
+  export let leftPanels: HudSignalPanel[] = [];
+  export let rightPanels: HudSignalPanel[] = [];
+  export let summary: HudSummary;
+  export let pressureMatrix: number[] | null = null;
+  export let showConfigPanel = false;
+  export let configPanelTitle = "";
+  export let configPanelHint = "";
+  export let matrixSizeLabel = "";
+  export let matrixRowsLabel = "";
+  export let matrixColsLabel = "";
+  export let rangeLabel = "";
+  export let rangeMinLabel = "";
+  export let rangeMaxLabel = "";
+  export let colorMapLabel = "";
+  export let resetConfigLabel = "";
+  export let applyLiveHint = "";
+  export let matrixRows = 12;
+  export let matrixCols = 7;
+  export let rangeMin = 0;
+  export let rangeMax = 5000;
+  export let colorMapPreset: PressureColorMapPreset = "emerald";
+  export let colorMapOptions: HudColorMapOption[] = [];
+  export let replaySectionLabel = "";
+  export let replayPlayLabel = "";
+  export let replayPauseLabel = "";
+  export let replayStopLabel = "";
+  export let replaySpeedLabel = "";
+  export let replayProgressLabel = "";
+  export let replayHasData = false;
+  export let replayIsPlaying = false;
+  export let replaySpeed = 1;
+  export let replayProgress = 0;
+  export let replayFileName = "";
+  export let replayFrameInfo = "";
+
+  let stagePlaneEl: HTMLDivElement | undefined;
+  let topOverlayEl: HTMLDivElement | undefined;
+  let panelZoneEl: HTMLDivElement | undefined;
+  let leftStackEl: HTMLDivElement | undefined;
+  let rightStackEl: HTMLDivElement | undefined;
+
+  let panelZoneTopPx = 88;
+  let leftRailScale = 1;
+  let rightRailScale = 1;
+  let summarySide: "left" | "right" = "left";
+  let replaySide: "left" | "right" = "right";
+
+  const minRailScale = 0.2;
+  const dispatch = createEventDispatcher<{
+    configclose: void;
+    replaytoggle: void;
+    replaystop: void;
+    replayseek: number;
+    replayspeed: number;
+    replayclose: void;
+  }>();
+
+  $: summarySide = leftPanels.length <= rightPanels.length ? "left" : "right";
+  $: replaySide = summarySide === "left" ? "right" : "left";
+  $: replayToggleButtonText = replayIsPlaying ? replayPauseLabel : replayPlayLabel;
+  $: replayProgressPercent = Math.round(Math.min(1, Math.max(0, replayProgress)) * 100);
+
+  function toPxNumber(rawValue: string): number {
+    const value = Number.parseFloat(rawValue);
+    return Number.isFinite(value) ? value : 0;
+  }
+
+  function clamp(value: number, min: number, max: number): number {
+    return Math.min(max, Math.max(min, value));
+  }
+
+  function calculateScale(zoneHeight: number, stackHeight: number): number {
+    if (zoneHeight <= 0 || stackHeight <= 0) {
+      return 1;
+    }
+
+    const rawScale = (zoneHeight - 6) / stackHeight;
+    return clamp(Math.round(rawScale * 1000) / 1000, minRailScale, 1);
+  }
+
+  function recomputePanelLayout(): void {
+    if (!stagePlaneEl || !topOverlayEl) {
+      return;
+    }
+
+    const planeRect = stagePlaneEl.getBoundingClientRect();
+    const overlayRect = topOverlayEl.getBoundingClientRect();
+    const overlayBottom = overlayRect.bottom - planeRect.top;
+    const upperTopLimit = Math.max(72, Math.round(stagePlaneEl.clientHeight * 0.34));
+    panelZoneTopPx = clamp(Math.round(overlayBottom + 8), 56, upperTopLimit);
+
+    const panelZoneBottomPx = panelZoneEl ? toPxNumber(getComputedStyle(panelZoneEl).bottom) : 0;
+    const zoneHeight = Math.max(0, stagePlaneEl.clientHeight - panelZoneTopPx - panelZoneBottomPx);
+
+    leftRailScale = calculateScale(zoneHeight, leftStackEl?.scrollHeight ?? 0);
+    rightRailScale = calculateScale(zoneHeight, rightStackEl?.scrollHeight ?? 0);
+  }
+
+  function emitReplayToggle(): void {
+    dispatch("replaytoggle");
+  }
+
+  function emitReplayStop(): void {
+    dispatch("replaystop");
+  }
+
+  function emitReplaySeek(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    const normalized = Number(target.value) / 100;
+    dispatch("replayseek", Number.isFinite(normalized) ? normalized : 0);
+  }
+
+  function emitReplaySpeed(event: Event): void {
+    const target = event.currentTarget as HTMLSelectElement;
+    const nextSpeed = Number(target.value);
+    dispatch("replayspeed", Number.isFinite(nextSpeed) ? nextSpeed : 1);
+  }
+
+  function emitReplayClose(): void {
+    dispatch("replayclose");
+  }
+
+  onMount(() => {
+    recomputePanelLayout();
+
+    const resizeObserver = new ResizeObserver(() => {
+      recomputePanelLayout();
+    });
+
+    if (stagePlaneEl) {
+      resizeObserver.observe(stagePlaneEl);
+    }
+
+    if (topOverlayEl) {
+      resizeObserver.observe(topOverlayEl);
+    }
+
+    if (leftStackEl) {
+      resizeObserver.observe(leftStackEl);
+    }
+
+    if (rightStackEl) {
+      resizeObserver.observe(rightStackEl);
+    }
+
+    window.addEventListener("resize", recomputePanelLayout);
+
+    return () => {
+      resizeObserver.disconnect();
+      window.removeEventListener("resize", recomputePanelLayout);
+    };
+  });
+</script>
+
+<section class="center-stage" aria-label="WebGL2 Area">
+  <article class="stage-shell">
+    <div
+      class="stage-canvas-plane"
+      bind:this={stagePlaneEl}
+      style="--panel-zone-top-dyn: {panelZoneTopPx}px; --rail-scale-left: {leftRailScale}; --rail-scale-right: {rightRailScale};"
+    >
+      <div class="stage-top-overlay" bind:this={topOverlayEl}>
+        <div class="stage-meta">
+          <p class="meta-label">WebGL2 Stage</p>
+          <h2>{title}</h2>
+          <p class="meta-hint">{hint}</p>
+        </div>
+        <p class="runtime-status" class:is-ok={statusTone === "ok"} class:is-warn={statusTone === "warn"}>
+          {statusText}
+        </p>
+      </div>
+
+      <div class="canvas-wrap">
+        {#key `${matrixRows}x${matrixCols}`}
+          <PressureMatrixViewer
+            {pressureMatrix}
+            {matrixRows}
+            {matrixCols}
+            {rangeMin}
+            {rangeMax}
+            {colorMapPreset}
+          />
+        {/key}
+      </div>
+
+      {#if showConfigPanel}
+        <div class="config-panel-wrap">
+          <ConfigPanel
+            bind:matrixRows
+            bind:matrixCols
+            bind:rangeMin
+            bind:rangeMax
+            title={configPanelTitle}
+            hint={configPanelHint}
+            {matrixSizeLabel}
+            {matrixRowsLabel}
+            {matrixColsLabel}
+            {rangeLabel}
+            {rangeMinLabel}
+            {rangeMaxLabel}
+            {colorMapLabel}
+            bind:colorMapPreset
+            {colorMapOptions}
+            resetLabel={resetConfigLabel}
+            {applyLiveHint}
+            on:close={() => dispatch("configclose")}
+          />
+        </div>
+      {/if}
+
+      <div class="panel-zone" bind:this={panelZoneEl}>
+        <aside class="side-rail left-rail">
+          <div class="rail-stack" bind:this={leftStackEl}>
+            {#each leftPanels as panel, index (panel.id)}
+              <div
+                class="panel-motion-shell"
+                animate:flip={{ duration: 280 }}
+                in:fly={{ x: -180, duration: 340, opacity: 0.08, easing: cubicOut }}
+                out:fly={{ x: -180, duration: 280, opacity: 0.06, easing: cubicIn }}
+              >
+                <SignalChart {panel} panelIndex={index} />
+              </div>
+            {/each}
+
+            {#if summary.points.length > 0 && summarySide === "left"}
+              <div
+                class="panel-motion-shell"
+                in:fly={{ x: -180, duration: 340, opacity: 0.08, easing: cubicOut }}
+                out:fly={{ x: -180, duration: 280, opacity: 0.06, easing: cubicIn }}
+              >
+                <SummaryCurve {summary} side="left" panelIndex={leftPanels.length} />
+              </div>
+            {/if}
+          </div>
+        </aside>
+
+        <aside class="side-rail right-rail">
+          <div class="rail-stack" bind:this={rightStackEl}>
+            {#each rightPanels as panel, index (panel.id)}
+              <div
+                class="panel-motion-shell"
+                animate:flip={{ duration: 280 }}
+                in:fly={{ x: 180, duration: 340, opacity: 0.08, easing: cubicOut }}
+                out:fly={{ x: 180, duration: 280, opacity: 0.06, easing: cubicIn }}
+              >
+                <SignalChart {panel} panelIndex={index} />
+              </div>
+            {/each}
+
+            {#if summary.points.length > 0 && summarySide === "right"}
+              <div
+                class="panel-motion-shell"
+                in:fly={{ x: 180, duration: 340, opacity: 0.08, easing: cubicOut }}
+                out:fly={{ x: 180, duration: 280, opacity: 0.06, easing: cubicIn }}
+              >
+                <SummaryCurve {summary} side="right" panelIndex={rightPanels.length} />
+              </div>
+            {/if}
+          </div>
+        </aside>
+      </div>
+
+      {#if replayHasData}
+        <aside class="replay-floating-panel" class:is-left={replaySide === "left"} class:is-right={replaySide === "right"}>
+          <div class="replay-panel-head">
+            <div class="replay-panel-title-group">
+              <p class="replay-panel-label">{replaySectionLabel}</p>
+              <p class="replay-panel-file" title={replayFileName}>{replayFileName}</p>
+            </div>
+            <div class="replay-panel-head-actions">
+              {#if replayFrameInfo}
+                <p class="replay-panel-frame">{replayFrameInfo}</p>
+              {/if}
+              <button type="button" class="replay-close-btn" aria-label="Close replay" on:click={emitReplayClose}>×</button>
+            </div>
+          </div>
+
+          <div class="replay-panel-controls">
+            <div class="replay-panel-actions">
+              <button type="button" class="replay-action-btn" on:click={emitReplayToggle}>{replayToggleButtonText}</button>
+              <button type="button" class="replay-action-btn is-stop" on:click={emitReplayStop}>{replayStopLabel}</button>
+              <label class="replay-speed-select">
+                <span>{replaySpeedLabel}</span>
+                <select value={replaySpeed} on:change={emitReplaySpeed}>
+                  <option value={0.5}>0.5x</option>
+                  <option value={1}>1x</option>
+                  <option value={1.5}>1.5x</option>
+                  <option value={2}>2x</option>
+                </select>
+              </label>
+            </div>
+
+            <label class="replay-progress-slider">
+              <span>{replayProgressLabel}</span>
+              <input type="range" min="0" max="100" step="1" value={replayProgressPercent} on:input={emitReplaySeek} />
+            </label>
+          </div>
+        </aside>
+      {/if}
+
+      <div class="stage-bottom-overlay">
+        <slot />
+      </div>
+    </div>
+  </article>
+</section>
+
+<style>
+  .center-stage {
+    block-size: 100%;
+    min-height: 0;
+  }
+
+  .stage-shell {
+    position: relative;
+    block-size: 100%;
+    min-height: 0;
+    overflow: hidden;
+    border-radius: 0.72rem;
+    border: 1px solid rgb(101 133 152 / 0.2);
+    background:
+      linear-gradient(170deg, rgb(8 12 16 / 0.86) 0%, rgb(0 0 0 / 0.96) 58%, rgb(6 10 14 / 0.9) 100%),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.04), transparent 48%);
+    box-shadow:
+      inset 0 1px 0 rgb(175 216 240 / 0.08),
+      inset 0 -36px 72px rgb(0 0 0 / 0.4);
+  }
+
+  .stage-canvas-plane {
+    --rail-width: clamp(17.5rem, 23vw, 21.5rem);
+    --rail-edge-inset: clamp(0.35rem, 1vw, 0.9rem);
+    --safe-gap: clamp(0.35rem, 0.9vw, 0.85rem);
+    --panel-zone-top: clamp(6.4rem, 11.8vh, 8rem);
+    --panel-zone-bottom: clamp(1.8rem, 3.6vh, 2.8rem);
+    --rail-gap: clamp(0.55rem, 1.4vh, 1rem);
+    --bottom-inset: clamp(0.35rem, 1.2vw, 0.9rem);
+    position: relative;
+    inline-size: 100%;
+    block-size: 100%;
+  }
+
+  .stage-top-overlay {
+    position: absolute;
+    top: clamp(0.55rem, 1.1vw, 0.9rem);
+    left: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+    right: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    gap: 0.7rem;
+    z-index: 7;
+    pointer-events: none;
+  }
+
+  .stage-meta {
+    min-width: 0;
+    max-inline-size: min(22rem, 62%);
+    padding: 0.3rem 0.5rem 0.35rem;
+    border: 1px solid rgb(112 146 166 / 0.2);
+    border-radius: 0.45rem;
+    background: rgb(2 8 12 / 0.45);
+    backdrop-filter: blur(2px);
+  }
+
+  .meta-label {
+    margin: 0;
+    font-size: 0.56rem;
+    color: rgb(148 171 189 / 0.8);
+    text-transform: uppercase;
+    letter-spacing: 0.1em;
+  }
+
+  h2 {
+    margin: 0.08rem 0 0;
+    font-size: clamp(0.75rem, 1.1vw, 0.92rem);
+    color: rgb(222 241 255 / 0.96);
+    letter-spacing: 0.03em;
+    font-weight: 500;
+    line-height: 1.2;
+  }
+
+  .meta-hint {
+    margin: 0.09rem 0 0;
+    font-size: 0.62rem;
+    color: rgb(142 165 183 / 0.76);
+    line-height: 1.15;
+  }
+
+  .runtime-status {
+    margin: 0;
+    align-self: center;
+    border: 1px solid rgb(95 128 149 / 0.35);
+    border-radius: 999px;
+    padding: 0.3rem 0.66rem;
+    font-size: 0.66rem;
+    letter-spacing: 0.08em;
+    color: rgb(150 174 194 / 0.9);
+    text-transform: uppercase;
+    white-space: nowrap;
+    background: rgb(3 10 15 / 0.62);
+  }
+
+  .runtime-status.is-ok {
+    color: rgb(204 248 184 / 0.94);
+  }
+
+  .runtime-status.is-warn {
+    color: rgb(255 205 188 / 0.92);
+  }
+
+  .canvas-wrap {
+    position: absolute;
+    inset: 0;
+    min-height: 0;
+    overflow: hidden;
+  }
+
+  .config-panel-wrap {
+    position: absolute;
+    top: clamp(5rem, 11.4vh, 6.8rem);
+    right: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+    z-index: 8;
+    pointer-events: auto;
+    max-inline-size: min(24rem, 40vw);
+  }
+
+  .panel-zone {
+    position: absolute;
+    top: var(--panel-zone-top-dyn, var(--panel-zone-top));
+    right: 0;
+    bottom: var(--panel-zone-bottom);
+    left: 0;
+    z-index: 6;
+    pointer-events: none;
+  }
+
+  .side-rail {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    inline-size: var(--rail-width);
+    min-height: 0;
+    pointer-events: none;
+    display: flex;
+    align-items: flex-end;
+  }
+
+  .left-rail {
+    left: var(--rail-edge-inset);
+  }
+
+  .right-rail {
+    right: var(--rail-edge-inset);
+  }
+
+  .rail-stack {
+    display: flex;
+    flex-direction: column;
+    gap: var(--rail-gap);
+    transform: scale(var(--rail-scale));
+    pointer-events: auto;
+  }
+
+  .left-rail .rail-stack {
+    align-items: flex-start;
+    transform: scale(var(--rail-scale-left, 1));
+    transform-origin: left bottom;
+  }
+
+  .right-rail .rail-stack {
+    align-items: flex-end;
+    transform: scale(var(--rail-scale-right, 1));
+    transform-origin: right bottom;
+  }
+
+  .left-rail :global(.signal-panel),
+  .right-rail :global(.signal-panel) {
+    pointer-events: auto;
+  }
+
+  .panel-motion-shell {
+    inline-size: 100%;
+    display: flex;
+  }
+
+  .left-rail .panel-motion-shell {
+    justify-content: flex-start;
+  }
+
+  .right-rail .panel-motion-shell {
+    justify-content: flex-end;
+  }
+
+  .replay-floating-panel {
+    position: absolute;
+    top: calc(var(--panel-zone-top-dyn, var(--panel-zone-top)) + 0.2rem);
+    inline-size: min(var(--rail-width), 23.5rem);
+    z-index: 8;
+    pointer-events: auto;
+    display: grid;
+    gap: 0.52rem;
+    border: 1px solid rgb(95 136 159 / 0.34);
+    border-radius: 0.66rem;
+    padding: 0.66rem 0.72rem;
+    background:
+      linear-gradient(180deg, rgb(8 14 19 / 0.86), rgb(4 8 12 / 0.8)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.07), transparent 56%);
+    box-shadow:
+      inset 0 1px 0 rgb(183 218 239 / 0.08),
+      0 0 18px rgb(62 232 255 / 0.1);
+  }
+
+  .replay-floating-panel.is-right {
+    right: var(--rail-edge-inset);
+  }
+
+  .replay-floating-panel.is-left {
+    left: var(--rail-edge-inset);
+  }
+
+  .replay-panel-head {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 0.6rem;
+  }
+
+  .replay-panel-head-actions {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.4rem;
+  }
+
+  .replay-panel-title-group {
+    min-inline-size: 0;
+    display: grid;
+    gap: 0.24rem;
+  }
+
+  .replay-panel-label,
+  .replay-panel-file,
+  .replay-panel-frame {
+    margin: 0;
+    line-height: 1.12;
+  }
+
+  .replay-panel-label {
+    font-size: 0.58rem;
+    letter-spacing: 0.11em;
+    text-transform: uppercase;
+    color: rgb(152 185 206 / 0.86);
+  }
+
+  .replay-panel-file {
+    font-size: 0.73rem;
+    letter-spacing: 0.03em;
+    color: rgb(221 241 255 / 0.94);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .replay-panel-frame {
+    border: 1px solid rgb(133 255 68 / 0.36);
+    border-radius: 999px;
+    padding: 0.16rem 0.52rem;
+    background: rgb(17 28 15 / 0.64);
+    color: rgb(204 255 178 / 0.94);
+    font-size: 0.67rem;
+    letter-spacing: 0.07em;
+    white-space: nowrap;
+  }
+
+  .replay-close-btn {
+    inline-size: 1.82rem;
+    block-size: 1.82rem;
+    border: 1px solid rgb(255 98 76 / 0.44);
+    border-radius: 0.32rem;
+    background: rgb(24 10 12 / 0.88);
+    color: rgb(255 210 203 / 0.96);
+    font-size: 1rem;
+    line-height: 1;
+    display: grid;
+    place-items: center;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      box-shadow 180ms ease,
+      color 180ms ease;
+  }
+
+  .replay-close-btn:hover {
+    border-color: rgb(255 132 115 / 0.66);
+    color: rgb(255 234 228 / 0.98);
+    box-shadow: 0 0 12px rgb(255 91 63 / 0.2);
+  }
+
+  .replay-panel-controls {
+    display: grid;
+    gap: 0.46rem;
+  }
+
+  .replay-panel-actions {
+    display: flex;
+    align-items: center;
+    gap: 0.48rem;
+    flex-wrap: wrap;
+  }
+
+  .replay-action-btn {
+    min-block-size: 1.82rem;
+    border: 1px solid rgb(62 232 255 / 0.36);
+    border-radius: 999px;
+    padding: 0.2rem 0.66rem;
+    background: rgb(8 19 25 / 0.9);
+    color: rgb(225 246 255 / 0.96);
+    font-size: 0.7rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      box-shadow 180ms ease;
+  }
+
+  .replay-action-btn:hover {
+    border-color: rgb(116 245 255 / 0.58);
+    box-shadow: 0 0 10px rgb(62 232 255 / 0.14);
+  }
+
+  .replay-action-btn.is-stop {
+    border-color: rgb(255 91 63 / 0.44);
+    color: rgb(255 223 214 / 0.94);
+    background: rgb(27 12 10 / 0.86);
+  }
+
+  .replay-action-btn.is-stop:hover {
+    border-color: rgb(255 124 101 / 0.64);
+    box-shadow: 0 0 10px rgb(255 91 63 / 0.18);
+  }
+
+  .replay-speed-select,
+  .replay-progress-slider {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.36rem;
+    min-block-size: 1.92rem;
+    border: 1px solid rgb(95 132 158 / 0.32);
+    border-radius: 999px;
+    padding: 0.16rem 0.2rem 0.16rem 0.48rem;
+    background: rgb(8 15 21 / 0.78);
+  }
+
+  .replay-speed-select span,
+  .replay-progress-slider span {
+    color: rgb(154 176 194 / 0.84);
+    font-size: 0.62rem;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+    white-space: nowrap;
+  }
+
+  .replay-speed-select select {
+    border: 1px solid rgb(95 132 158 / 0.34);
+    border-radius: 999px;
+    padding: 0.22rem 0.48rem;
+    background: rgb(4 11 16 / 0.88);
+    color: rgb(216 235 248 / 0.96);
+    font-size: 0.72rem;
+    letter-spacing: 0.05em;
+    outline: none;
+  }
+
+  .replay-progress-slider {
+    inline-size: 100%;
+  }
+
+  .replay-progress-slider input {
+    inline-size: 100%;
+    accent-color: rgb(133 255 68 / 0.92);
+  }
+
+  .stage-bottom-overlay {
+    position: absolute;
+    left: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+    right: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+    bottom: var(--bottom-inset);
+    z-index: 7;
+    pointer-events: none;
+  }
+
+  @media (max-width: 1180px) {
+    .stage-canvas-plane {
+      --rail-width: clamp(14.2rem, 28vw, 16.4rem);
+      --rail-edge-inset: clamp(0.25rem, 0.7vw, 0.55rem);
+      --safe-gap: clamp(0.2rem, 0.75vw, 0.45rem);
+      --panel-zone-top: clamp(6rem, 11.2vh, 7.2rem);
+      --panel-zone-bottom: clamp(1.1rem, 2.7vh, 2rem);
+      --rail-gap: clamp(0.45rem, 1vh, 0.75rem);
+    }
+
+    .config-panel-wrap {
+      max-inline-size: min(21rem, 46vw);
+    }
+
+    .replay-floating-panel {
+      inline-size: min(var(--rail-width), 20.8rem);
+    }
+  }
+
+  @media (max-height: 900px) {
+    .stage-canvas-plane {
+      --panel-zone-top: clamp(5.6rem, 10vh, 6.8rem);
+      --panel-zone-bottom: clamp(0.9rem, 1.8vh, 1.4rem);
+    }
+
+    .config-panel-wrap {
+      top: clamp(4.7rem, 10vh, 6rem);
+    }
+  }
+
+  @media (max-height: 760px) {
+    .stage-canvas-plane {
+      --panel-zone-top: clamp(5.1rem, 9.2vh, 6.2rem);
+      --panel-zone-bottom: clamp(0.45rem, 1vh, 0.85rem);
+      --rail-gap: clamp(0.35rem, 0.8vh, 0.62rem);
+    }
+
+    .config-panel-wrap {
+      top: clamp(4.4rem, 9vh, 5.5rem);
+    }
+
+    .replay-floating-panel {
+      top: calc(var(--panel-zone-top-dyn, var(--panel-zone-top)) + 0.1rem);
+      padding: 0.58rem 0.64rem;
+      gap: 0.44rem;
+    }
+  }
+
+  @media (max-width: 920px) {
+    .config-panel-wrap {
+      left: calc(var(--rail-width) + var(--safe-gap) + var(--rail-edge-inset));
+      right: auto;
+      max-inline-size: min(21rem, 54vw);
+    }
+
+    .replay-floating-panel {
+      left: calc(var(--rail-edge-inset) + 0.1rem);
+      right: calc(var(--rail-edge-inset) + 0.1rem);
+      inline-size: auto;
+    }
+  }
+</style>

src/lib/components/ConfigPanel.svelte

@@ -0,0 +1,460 @@
+<script lang="ts">
+  import { createEventDispatcher } from "svelte";
+  import type { HudColorMapOption, PressureColorMapPreset } from "$lib/types/hud";
+
+  export let title = "";
+  export let hint = "";
+  export let matrixSizeLabel = "";
+  export let matrixRowsLabel = "";
+  export let matrixColsLabel = "";
+  export let rangeLabel = "";
+  export let rangeMinLabel = "";
+  export let rangeMaxLabel = "";
+  export let colorMapLabel = "";
+  export let resetLabel = "";
+  export let applyLiveHint = "";
+  export let matrixRows = 12;
+  export let matrixCols = 7;
+  export let rangeMin = 0;
+  export let rangeMax = 5000;
+  export let colorMapPreset: PressureColorMapPreset = "emerald";
+  export let colorMapOptions: HudColorMapOption[] = [];
+
+  const dispatch = createEventDispatcher<{
+    close: void;
+  }>();
+
+  const presetSizes = [12, 24, 32, 48, 64];
+  const gridMin = 1;
+  const gridMax = 128;
+  const gridStep = 1;
+  const rangeFloor = -9999;
+  const rangeCeiling = 99999;
+
+  function clamp(value: number, min: number, max: number): number {
+    return Math.min(max, Math.max(min, value));
+  }
+
+  function normalizeGridValue(value: number): number {
+    const numericValue = Number.isFinite(value) ? value : 12;
+    return clamp(Math.round(numericValue), gridMin, gridMax);
+  }
+
+  function normalizeRangeValue(value: number): number {
+    return clamp(Math.round(Number.isFinite(value) ? value : 0), rangeFloor, rangeCeiling);
+  }
+
+  function handleRowsInput(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    matrixRows = normalizeGridValue(target.valueAsNumber);
+  }
+
+  function handleColsInput(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    matrixCols = normalizeGridValue(target.valueAsNumber);
+  }
+
+  function handleRangeMinInput(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    rangeMin = normalizeRangeValue(target.valueAsNumber);
+
+    if (rangeMin >= rangeMax) {
+      rangeMax = rangeMin + 1;
+    }
+  }
+
+  function handleRangeMaxInput(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    rangeMax = normalizeRangeValue(target.valueAsNumber);
+
+    if (rangeMax <= rangeMin) {
+      rangeMin = rangeMax - 1;
+    }
+  }
+
+  function applyPreset(size: number): void {
+    matrixRows = size;
+    matrixCols = size;
+  }
+
+  function applyColorMapPreset(id: PressureColorMapPreset): void {
+    colorMapPreset = id;
+  }
+
+  function resetDefaults(): void {
+    matrixRows = 12;
+    matrixCols = 7;
+    rangeMin = 0;
+    rangeMax = 5000;
+    colorMapPreset = "emerald";
+  }
+
+  $: selectedColorMap = colorMapOptions.find((option) => option.id === colorMapPreset) ?? colorMapOptions[0];
+
+  $: {
+    const nextRows = normalizeGridValue(matrixRows);
+    if (nextRows !== matrixRows) {
+      matrixRows = nextRows;
+    }
+  }
+
+  $: {
+    const nextCols = normalizeGridValue(matrixCols);
+    if (nextCols !== matrixCols) {
+      matrixCols = nextCols;
+    }
+  }
+
+  $: {
+    const nextRangeMin = normalizeRangeValue(rangeMin);
+    if (nextRangeMin !== rangeMin) {
+      rangeMin = nextRangeMin;
+    }
+  }
+
+  $: {
+    const nextRangeMax = Math.max(normalizeRangeValue(rangeMax), rangeMin + 1);
+    if (nextRangeMax !== rangeMax) {
+      rangeMax = nextRangeMax;
+    }
+  }
+</script>
+
+<section class="config-panel" aria-label={title}>
+  <header class="config-head">
+    <div class="config-copy">
+      <p class="config-label">Stage Config</p>
+      <h3>{title}</h3>
+      <p class="config-hint">{hint}</p>
+    </div>
+
+    <button type="button" class="close-btn" on:click={() => dispatch("close")} aria-label="Close config panel">
+      <span></span>
+      <span></span>
+    </button>
+  </header>
+
+  <div class="config-section">
+    <div class="section-head">
+      <p class="section-title">{matrixSizeLabel}</p>
+      <p class="section-note">{matrixRows} x {matrixCols}</p>
+    </div>
+
+    <div class="preset-row" role="group" aria-label={matrixSizeLabel}>
+      {#each presetSizes as size}
+        <button
+          type="button"
+          class="preset-btn"
+          class:is-active={matrixRows === size && matrixCols === size}
+          on:click={() => applyPreset(size)}
+        >
+          {size}x{size}
+        </button>
+      {/each}
+    </div>
+
+    <div class="field-grid">
+      <label class="field-card">
+        <span class="field-label">{matrixRowsLabel}</span>
+        <input type="number" min={gridMin} max={gridMax} step={gridStep} value={matrixRows} on:input={handleRowsInput} />
+      </label>
+
+      <label class="field-card">
+        <span class="field-label">{matrixColsLabel}</span>
+        <input type="number" min={gridMin} max={gridMax} step={gridStep} value={matrixCols} on:input={handleColsInput} />
+      </label>
+    </div>
+  </div>
+
+  <div class="config-section">
+    <div class="section-head">
+      <p class="section-title">{rangeLabel}</p>
+      <p class="section-note">{rangeMin} - {rangeMax}</p>
+    </div>
+
+    <div class="field-grid">
+      <label class="field-card">
+        <span class="field-label">{rangeMinLabel}</span>
+        <input type="number" min={rangeFloor} max={rangeCeiling} step="100" value={rangeMin} on:input={handleRangeMinInput} />
+      </label>
+
+      <label class="field-card">
+        <span class="field-label">{rangeMaxLabel}</span>
+        <input type="number" min={rangeFloor} max={rangeCeiling} step="100" value={rangeMax} on:input={handleRangeMaxInput} />
+      </label>
+    </div>
+  </div>
+
+  <div class="config-section">
+    <div class="section-head">
+      <p class="section-title">{colorMapLabel}</p>
+      <p class="section-note">{selectedColorMap?.label ?? colorMapPreset}</p>
+    </div>
+
+    <div class="palette-row" role="group" aria-label={colorMapLabel}>
+      {#each colorMapOptions as option}
+        <button
+          type="button"
+          class="palette-btn"
+          class:is-active={colorMapPreset === option.id}
+          on:click={() => applyColorMapPreset(option.id)}
+        >
+          <span
+            class="palette-preview"
+            style={`--palette-stop-0: ${option.previewStops[0]}; --palette-stop-1: ${option.previewStops[1]}; --palette-stop-2: ${option.previewStops[2]};`}
+            aria-hidden="true"
+          ></span>
+          <span class="palette-name">{option.label}</span>
+        </button>
+      {/each}
+    </div>
+  </div>
+
+  <footer class="config-foot">
+    <p class="live-note">{applyLiveHint}</p>
+    <button type="button" class="reset-btn" on:click={resetDefaults}>{resetLabel}</button>
+  </footer>
+</section>
+
+<style>
+  .config-panel {
+    display: grid;
+    gap: 0.9rem;
+    inline-size: min(23rem, 100%);
+    padding: 0.92rem 0.96rem 1rem;
+    border: 1px solid rgb(88 132 116 / 0.3);
+    border-radius: 0.82rem;
+    background:
+      linear-gradient(180deg, rgb(6 18 14 / 0.92), rgb(4 10 9 / 0.88)),
+      radial-gradient(circle at 100% 0, rgb(97 146 255 / 0.07), transparent 38%);
+    box-shadow:
+      inset 0 1px 0 rgb(184 236 206 / 0.08),
+      0 18px 46px rgb(0 0 0 / 0.28);
+    backdrop-filter: blur(10px);
+  }
+
+  .config-head {
+    display: flex;
+    justify-content: space-between;
+    gap: 0.9rem;
+    align-items: flex-start;
+  }
+
+  .config-copy {
+    min-width: 0;
+  }
+
+  .config-label,
+  .section-title,
+  .field-label,
+  .live-note {
+    margin: 0;
+    color: rgb(157 206 181 / 0.8);
+    font-size: 0.58rem;
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+  }
+
+  h3 {
+    margin: 0.12rem 0 0;
+    color: rgb(237 248 241 / 0.98);
+    font-size: 1rem;
+    line-height: 1.2;
+    font-weight: 600;
+  }
+
+  .config-hint,
+  .section-note {
+    margin: 0.14rem 0 0;
+    color: rgb(142 182 164 / 0.78);
+    font-size: 0.7rem;
+    line-height: 1.25;
+  }
+
+  .close-btn {
+    position: relative;
+    inline-size: 2rem;
+    block-size: 2rem;
+    border: 1px solid rgb(82 122 106 / 0.32);
+    border-radius: 999px;
+    background: rgb(4 12 9 / 0.72);
+    cursor: pointer;
+    flex: 0 0 auto;
+  }
+
+  .close-btn span {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    inline-size: 0.8rem;
+    block-size: 1px;
+    background: rgb(182 210 195 / 0.9);
+    transform-origin: center;
+  }
+
+  .close-btn span:first-child {
+    transform: translate(-50%, -50%) rotate(45deg);
+  }
+
+  .close-btn span:last-child {
+    transform: translate(-50%, -50%) rotate(-45deg);
+  }
+
+  .config-section {
+    display: grid;
+    gap: 0.62rem;
+    padding: 0.76rem 0.8rem;
+    border: 1px solid rgb(72 116 96 / 0.22);
+    border-radius: 0.72rem;
+    background: linear-gradient(180deg, rgb(7 15 12 / 0.76), rgb(5 10 8 / 0.64));
+  }
+
+  .section-head {
+    display: flex;
+    justify-content: space-between;
+    gap: 0.75rem;
+    align-items: baseline;
+  }
+
+  .preset-row {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.42rem;
+  }
+
+  .palette-row {
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 0.48rem;
+  }
+
+  .preset-btn,
+  .reset-btn,
+  .palette-btn {
+    border: 1px solid rgb(80 126 105 / 0.28);
+    border-radius: 999px;
+    padding: 0.38rem 0.72rem;
+    background: rgb(8 19 15 / 0.76);
+    color: rgb(191 219 206 / 0.92);
+    font: inherit;
+    font-size: 0.72rem;
+    cursor: pointer;
+    transition:
+      border-color 160ms ease,
+      box-shadow 160ms ease,
+      color 160ms ease,
+      background-color 160ms ease;
+  }
+
+  .preset-btn.is-active {
+    border-color: rgb(98 201 149 / 0.48);
+    background: linear-gradient(180deg, rgb(18 54 37 / 0.96), rgb(10 32 23 / 0.92));
+    color: rgb(233 247 240 / 0.98);
+    box-shadow: inset 0 1px 0 rgb(198 246 222 / 0.14), 0 0 16px rgb(63 184 120 / 0.14);
+  }
+
+  .palette-btn {
+    display: grid;
+    gap: 0.34rem;
+    min-height: 4rem;
+    padding: 0.52rem 0.56rem 0.58rem;
+    border-radius: 0.74rem;
+    text-align: left;
+  }
+
+  .palette-btn.is-active {
+    border-color: rgb(98 201 149 / 0.48);
+    background: linear-gradient(180deg, rgb(18 54 37 / 0.96), rgb(10 32 23 / 0.92));
+    color: rgb(233 247 240 / 0.98);
+    box-shadow: inset 0 1px 0 rgb(198 246 222 / 0.14), 0 0 16px rgb(63 184 120 / 0.14);
+  }
+
+  .palette-preview {
+    display: block;
+    inline-size: 100%;
+    block-size: 0.74rem;
+    border-radius: 999px;
+    border: 1px solid rgb(255 255 255 / 0.08);
+    background:
+      linear-gradient(
+        90deg,
+        var(--palette-stop-0) 0%,
+        var(--palette-stop-1) 52%,
+        var(--palette-stop-2) 100%
+      ),
+      linear-gradient(180deg, rgb(255 255 255 / 0.08), transparent 55%);
+    box-shadow:
+      inset 0 1px 0 rgb(255 255 255 / 0.1),
+      0 0 12px rgb(0 0 0 / 0.14);
+  }
+
+  .palette-name {
+    color: inherit;
+    font-size: 0.74rem;
+    line-height: 1.1;
+    letter-spacing: 0.04em;
+  }
+
+  .field-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 0.58rem;
+  }
+
+  .field-card {
+    display: grid;
+    gap: 0.38rem;
+    padding: 0.58rem 0.64rem 0.66rem;
+    border: 1px solid rgb(68 106 89 / 0.26);
+    border-radius: 0.58rem;
+    background: linear-gradient(180deg, rgb(6 14 11 / 0.86), rgb(3 8 6 / 0.82));
+  }
+
+  .field-card input {
+    inline-size: 100%;
+    border: 1px solid rgb(82 131 109 / 0.28);
+    border-radius: 0.46rem;
+    padding: 0.55rem 0.62rem;
+    background: rgb(7 16 12 / 0.92);
+    color: rgb(238 246 241 / 0.98);
+    font: inherit;
+    font-size: 0.86rem;
+    outline: none;
+  }
+
+  .field-card input:focus {
+    border-color: rgb(97 201 147 / 0.54);
+    box-shadow: 0 0 0 1px rgb(97 201 147 / 0.24);
+  }
+
+  .config-foot {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 0.75rem;
+  }
+
+  .live-note {
+    color: rgb(142 182 164 / 0.8);
+  }
+
+  .reset-btn {
+    background: linear-gradient(180deg, rgb(10 21 17 / 0.88), rgb(6 12 10 / 0.84));
+    white-space: nowrap;
+  }
+
+  @media (max-width: 960px) {
+    .config-panel {
+      inline-size: min(20rem, 100%);
+      padding: 0.86rem 0.88rem 0.94rem;
+    }
+
+    .field-grid {
+      grid-template-columns: 1fr;
+    }
+
+    .palette-row {
+      grid-template-columns: 1fr;
+    }
+  }
+</style>

src/lib/components/HudPanel.svelte

@@ -0,0 +1,970 @@
+<script lang="ts">
+  import { createEventDispatcher } from "svelte";
+  import type {
+    ConnectionState,
+    HudConfigLink,
+    HudNoticeTone,
+    LocaleCode,
+    WindowControlAction
+  } from "$lib/types/hud";
+
+  export let appName = "";
+  export let suiteName = "";
+  export let controlAreaLabel = "";
+  export let locale: LocaleCode = "zh-CN";
+  export let connectionState: ConnectionState = "offline";
+  export let connectionLabel = "";
+  export let connectedLabel = "";
+  export let connectingLabel = "";
+  export let disconnectedLabel = "";
+  export let deviceLabel = "";
+  export let deviceValue = "";
+  export let sampleRateLabel = "";
+  export let sampleRateValue = "";
+  export let channelsLabel = "";
+  export let channelsValue = "";
+  export let serialPortLabel = "";
+  export let serialPortValue = "";
+  export let serialPortOptions: string[] = [];
+  export let refreshPortsLabel = "";
+  export let configLinksLabel = "";
+  export let configLinks: HudConfigLink[] = [];
+  export let connectActionLabel = "";
+  export let disconnectActionLabel = "";
+  export let exportActionLabel = "";
+  export let exportingActionLabel = "";
+  export let importActionLabel = "";
+  export let connectionNotice = "";
+  export let connectionNoticeTone: HudNoticeTone = "info";
+  export let isRefreshingPorts = false;
+  export let isConnectDisabled = false;
+  export let isExporting = false;
+  export let isExportDisabled = false;
+  export let isWindowMaximized = false;
+  let csvInputEl: HTMLInputElement | undefined;
+
+  const dispatch = createEventDispatcher<{
+    windowcontrol: WindowControlAction;
+    localechange: LocaleCode;
+    configlink: string;
+    portchange: string;
+    serialrefresh: void;
+    serialconnect: string;
+    serialexport: void;
+    csvimport: File;
+  }>();
+
+  const connectionToneByState: Record<ConnectionState, "ok" | "warn" | "idle"> = {
+    online: "ok",
+    connecting: "warn",
+    offline: "idle"
+  };
+
+  $: connectionTone = connectionToneByState[connectionState];
+  $: connectionText =
+    connectionState === "online"
+      ? connectedLabel
+      : connectionState === "connecting"
+        ? connectingLabel
+        : disconnectedLabel;
+  $: connectButtonText =
+    connectionState === "online"
+      ? disconnectActionLabel
+      : connectionState === "connecting"
+        ? connectingLabel
+        : connectActionLabel;
+  $: exportButtonText = isExporting ? exportingActionLabel || exportActionLabel : exportActionLabel;
+  $: resolvedSerialPortOptions =
+    serialPortOptions.length > 0 ? serialPortOptions : serialPortValue ? [serialPortValue] : [];
+
+  function emitWindowControl(action: WindowControlAction): void {
+    dispatch("windowcontrol", action);
+  }
+
+  function switchLocale(nextLocale: LocaleCode): void {
+    dispatch("localechange", nextLocale);
+  }
+
+  function emitConfigLink(linkId: string): void {
+    dispatch("configlink", linkId);
+  }
+
+  function emitPortChange(event: Event): void {
+    const target = event.currentTarget as HTMLSelectElement;
+    dispatch("portchange", target.value);
+  }
+
+  function emitSerialConnect(): void {
+    dispatch("serialconnect", serialPortValue);
+  }
+
+  function emitSerialRefresh(): void {
+    dispatch("serialrefresh");
+  }
+
+  function emitSerialExport(): void {
+    dispatch("serialexport");
+  }
+
+  function openCsvPicker(): void {
+    csvInputEl?.click();
+  }
+
+  function emitCsvImport(event: Event): void {
+    const target = event.currentTarget as HTMLInputElement;
+    const file = target.files?.[0];
+    if (file) {
+      dispatch("csvimport", file);
+    }
+    target.value = "";
+  }
+</script>
+
+<section class="hud-panel" aria-label={controlAreaLabel}>
+  <div class="title-bar" role="group" aria-label="Title Bar" data-tauri-drag-region>
+    <div class="title-cluster" data-tauri-drag-region>
+      <span class="title-pulse" aria-hidden="true"></span>
+      <strong class="app-name">{appName}</strong>
+      <span class="suite-tag">{suiteName}</span>
+    </div>
+
+    <div class="window-controls" aria-label="Window Controls">
+      <button
+        type="button"
+        class="window-btn"
+        on:click={() => emitWindowControl("minimize")}
+        aria-label="Minimize window"
+      >
+        <svg viewBox="0 0 12 12" aria-hidden="true">
+          <path d="M2 6h8"></path>
+        </svg>
+      </button>
+      <button
+        type="button"
+        class="window-btn"
+        class:is-maximized={isWindowMaximized}
+        on:click={() => emitWindowControl("toggle-maximize")}
+        aria-label="Toggle maximize window"
+      >
+        <svg viewBox="0 0 12 12" aria-hidden="true">
+          <path d="M2.6 2.6h6.8v6.8h-6.8z"></path>
+        </svg>
+      </button>
+      <button
+        type="button"
+        class="window-btn is-close"
+        on:click={() => emitWindowControl("close")}
+        aria-label="Close window"
+      >
+        <svg viewBox="0 0 12 12" aria-hidden="true">
+          <path d="M2.6 2.6l6.8 6.8"></path>
+          <path d="M9.4 2.6l-6.8 6.8"></path>
+        </svg>
+      </button>
+    </div>
+  </div>
+
+  <div class="control-bar">
+    <div class="control-main-row">
+      <section class="config-links" aria-label={configLinksLabel}>
+        {#each configLinks as link (link.id)}
+          <button
+            type="button"
+            class="config-link tone-{link.tone ?? 'neutral'}"
+            class:is-active={Boolean(link.active)}
+            on:click={() => emitConfigLink(link.id)}
+          >
+            <span class="config-indicator" aria-hidden="true"></span>
+            <span class="config-label">{link.label}</span>
+          </button>
+        {/each}
+      </section>
+
+      <section class="state-card" aria-label={connectionLabel}>
+        <span class="state-dot" class:ok={connectionTone === "ok"} class:warn={connectionTone === "warn"}></span>
+        <span class="state-label">{connectionLabel}</span>
+        <strong class="state-value">{connectionText}</strong>
+      </section>
+
+      <label class="serial-select" aria-label={serialPortLabel}>
+        <span class="serial-tag">{serialPortLabel}</span>
+        <span class="serial-select-wrap">
+          <select
+            class="serial-select-input"
+            value={serialPortValue}
+            disabled={connectionState !== "offline" || isRefreshingPorts}
+            on:change={emitPortChange}
+          >
+            {#each resolvedSerialPortOptions as option}
+              <option value={option}>{option}</option>
+            {/each}
+          </select>
+          <span class="serial-select-caret" aria-hidden="true"></span>
+        </span>
+      </label>
+
+      <button
+        type="button"
+        class="refresh-btn"
+        disabled={isRefreshingPorts || connectionState !== "offline"}
+        on:click={emitSerialRefresh}
+      >
+        <svg viewBox="0 0 16 16" aria-hidden="true">
+          <path d="M13 4.8V1.8"></path>
+          <path d="M13 1.8H10"></path>
+          <path d="M13 1.8a5.7 5.7 0 0 0-9.7 3.4"></path>
+          <path d="M3 11.2v3"></path>
+          <path d="M3 14.2h3"></path>
+          <path d="M3 14.2a5.7 5.7 0 0 0 9.7-3.4"></path>
+        </svg>
+        <span>{isRefreshingPorts ? `${refreshPortsLabel}...` : refreshPortsLabel}</span>
+      </button>
+
+      <button
+        type="button"
+        class="connect-btn"
+        class:is-busy={connectionState === "connecting"}
+        class:is-connected={connectionState === "online"}
+        disabled={isConnectDisabled}
+        on:click={emitSerialConnect}
+      >
+        <span class="connect-btn-indicator" aria-hidden="true"></span>
+        <span>{connectButtonText}</span>
+      </button>
+
+      <button
+        type="button"
+        class="export-btn"
+        disabled={isExportDisabled || isExporting}
+        on:click={emitSerialExport}
+      >
+        <svg viewBox="0 0 16 16" aria-hidden="true">
+          <path d="M8 2.2v7.2"></path>
+          <path d="M5.4 7.8L8 10.5l2.6-2.7"></path>
+          <path d="M3.1 12.3h9.8"></path>
+        </svg>
+        <span>{exportButtonText}</span>
+      </button>
+
+      <button type="button" class="import-btn" on:click={openCsvPicker}>
+        <svg viewBox="0 0 16 16" aria-hidden="true">
+          <path d="M8 10.8V3.6"></path>
+          <path d="M5.4 6.3L8 3.6l2.6 2.7"></path>
+          <path d="M3.1 12.6h9.8"></path>
+        </svg>
+        <span>{importActionLabel}</span>
+      </button>
+      <input
+        bind:this={csvInputEl}
+        class="hidden-input"
+        type="file"
+        accept=".csv,text/csv"
+        on:change={emitCsvImport}
+      />
+
+      <section class="locale-switch" aria-label="Language">
+        <button
+          type="button"
+          class="locale-btn"
+          class:is-active={locale === "zh-CN"}
+          on:click={() => switchLocale("zh-CN")}
+        >
+          中文
+        </button>
+        <button
+          type="button"
+          class="locale-btn"
+          class:is-active={locale === "en-US"}
+          on:click={() => switchLocale("en-US")}
+        >
+          English
+        </button>
+      </section>
+    </div>
+
+    {#if connectionNotice}
+      <p class="connection-notice tone-{connectionNoticeTone}" role={connectionNoticeTone === "warn" ? "alert" : "status"}>
+        {connectionNotice}
+      </p>
+    {/if}
+
+    <section class="info-grid">
+      <article class="info-cell">
+        <p class="meta-label">{deviceLabel}</p>
+        <p class="meta-value">{deviceValue}</p>
+      </article>
+      <article class="info-cell">
+        <p class="meta-label">{sampleRateLabel}</p>
+        <p class="meta-value">{sampleRateValue}</p>
+      </article>
+      <article class="info-cell">
+        <p class="meta-label">{channelsLabel}</p>
+        <p class="meta-value">{channelsValue}</p>
+      </article>
+    </section>
+  </div>
+</section>
+
+<style>
+  .hud-panel {
+    display: grid;
+    grid-template-rows: auto auto;
+    gap: clamp(0.5rem, 1.2vw, 0.85rem);
+  }
+
+  .title-bar {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    border-bottom: 1px solid rgb(108 143 166 / 0.22);
+    padding: 0.05rem 0.1rem 0.55rem 0.1rem;
+    background: linear-gradient(180deg, rgb(15 22 28 / 0.32), transparent);
+  }
+
+  .title-cluster {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.55rem;
+    min-width: 0;
+  }
+
+  .title-pulse {
+    inline-size: 0.52rem;
+    block-size: 0.52rem;
+    border-radius: 50%;
+    background: rgb(133 255 68 / 0.95);
+    box-shadow: 0 0 0 2px rgb(133 255 68 / 0.14);
+  }
+
+  .app-name {
+    font-size: 1rem;
+    font-weight: 700;
+    letter-spacing: 0.07em;
+    color: #f0fbff;
+    text-transform: uppercase;
+  }
+
+  .suite-tag {
+    font-size: 0.72rem;
+    color: var(--hud-text-dim);
+    letter-spacing: 0.1em;
+    text-transform: uppercase;
+  }
+
+  .window-controls {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.38rem;
+  }
+
+  .window-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    inline-size: 1.8rem;
+    block-size: 1.52rem;
+    border: 1px solid rgb(82 120 146 / 0.36);
+    border-radius: 0.34rem;
+    color: rgb(179 245 255 / 0.92);
+    background: rgb(8 12 16 / 0.82);
+    cursor: pointer;
+    transition:
+      background-color 200ms ease,
+      border-color 200ms ease,
+      color 200ms ease;
+  }
+
+  .window-btn svg {
+    inline-size: 0.8rem;
+    block-size: 0.8rem;
+    stroke: currentColor;
+    stroke-width: 1.4;
+    fill: none;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+  }
+
+  .window-btn:hover {
+    border-color: rgb(62 232 255 / 0.42);
+    background: rgb(14 20 26 / 0.9);
+    color: #f3fdff;
+  }
+
+  .window-btn.is-maximized {
+    border-color: rgb(133 255 68 / 0.5);
+    color: rgb(211 255 190 / 0.92);
+  }
+
+  .window-btn.is-close:hover {
+    border-color: rgb(255 91 63 / 0.62);
+    background: rgb(27 11 10 / 0.9);
+    color: rgb(255 200 188 / 0.96);
+  }
+
+  .control-bar {
+    display: grid;
+    gap: 0.45rem;
+    padding: 0 0.1rem;
+    background: linear-gradient(90deg, rgb(62 232 255 / 0.02), transparent 45%, rgb(133 255 68 / 0.015));
+  }
+
+  .control-main-row {
+    display: flex;
+    align-items: center;
+    gap: 0.58rem;
+    flex-wrap: wrap;
+  }
+
+  .state-card {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.42rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(95 132 158 / 0.3);
+    border-radius: 999px;
+    padding: 0.2rem 0.62rem 0.2rem 0.36rem;
+    background: rgb(10 16 20 / 0.68);
+  }
+
+  .state-dot {
+    inline-size: 0.55rem;
+    block-size: 0.55rem;
+    border-radius: 50%;
+    background: rgb(143 165 186 / 0.92);
+    box-shadow: 0 0 0 2px rgb(143 165 186 / 0.14);
+  }
+
+  .state-dot.ok {
+    background: var(--hud-lime);
+    box-shadow: 0 0 0 2px rgb(133 255 68 / 0.16);
+  }
+
+  .state-dot.warn {
+    background: var(--hud-orange);
+    box-shadow: 0 0 0 2px rgb(255 91 63 / 0.16);
+  }
+
+  .state-label {
+    color: rgb(154 176 194 / 0.84);
+    font-size: 0.66rem;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+    line-height: 1;
+  }
+
+  .state-value {
+    color: #ecf8ff;
+    font-size: 0.92rem;
+    letter-spacing: 0.02em;
+    font-weight: 600;
+    line-height: 1;
+  }
+
+  .serial-select {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.38rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(95 132 158 / 0.3);
+    border-radius: 999px;
+    padding: 0.18rem 0.2rem 0.18rem 0.56rem;
+    background: rgb(10 16 20 / 0.7);
+    min-inline-size: 0;
+  }
+
+  .serial-select-wrap {
+    position: relative;
+    display: inline-block;
+    min-inline-size: 0;
+  }
+
+  .serial-tag {
+    color: rgb(154 176 194 / 0.84);
+    font-size: 0.66rem;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+    line-height: 1;
+    white-space: nowrap;
+  }
+
+  .serial-select-input {
+    appearance: none;
+    inline-size: 100%;
+    min-inline-size: 7rem;
+    border: 1px solid rgb(95 132 158 / 0.32);
+    border-radius: 999px;
+    padding: 0.3rem 1.5rem 0.3rem 0.6rem;
+    background: rgb(4 11 16 / 0.84);
+    color: #d5ebfb;
+    font-size: 0.84rem;
+    letter-spacing: 0.06em;
+    text-transform: uppercase;
+    outline: none;
+    transition:
+      border-color 180ms ease,
+      box-shadow 180ms ease;
+  }
+
+  .serial-select-input:hover {
+    border-color: rgb(62 232 255 / 0.36);
+  }
+
+  .serial-select-input:focus-visible {
+    border-color: rgb(62 232 255 / 0.5);
+    box-shadow: 0 0 0 2px rgb(62 232 255 / 0.14);
+  }
+
+  .serial-select-caret {
+    position: absolute;
+    inset-inline-end: 0.68rem;
+    inset-block-start: 50%;
+    inline-size: 0.42rem;
+    block-size: 0.42rem;
+    border-right: 1px solid rgb(153 189 214 / 0.82);
+    border-bottom: 1px solid rgb(153 189 214 / 0.82);
+    transform: translateY(-64%) rotate(45deg);
+    pointer-events: none;
+  }
+
+  .refresh-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.36rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(95 132 158 / 0.34);
+    border-radius: 999px;
+    padding: 0.24rem 0.64rem;
+    background:
+      linear-gradient(180deg, rgb(11 18 24 / 0.92), rgb(7 12 17 / 0.88)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.1), transparent 58%);
+    color: rgb(214 236 248 / 0.96);
+    font-size: 0.74rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      background-color 180ms ease,
+      color 180ms ease,
+      box-shadow 200ms ease,
+      opacity 180ms ease;
+  }
+
+  .refresh-btn svg {
+    inline-size: 0.84rem;
+    block-size: 0.84rem;
+    stroke: currentColor;
+    stroke-width: 1.35;
+    fill: none;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+  }
+
+  .refresh-btn:hover:not(:disabled) {
+    border-color: rgb(62 232 255 / 0.44);
+    box-shadow:
+      inset 0 0 0 1px rgb(167 218 252 / 0.07),
+      0 0 10px rgb(62 232 255 / 0.1);
+  }
+
+  .refresh-btn:disabled {
+    opacity: 0.72;
+    cursor: default;
+  }
+
+  .connect-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.42rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(133 255 68 / 0.4);
+    border-radius: 999px;
+    padding: 0.24rem 0.76rem;
+    background:
+      linear-gradient(180deg, rgb(24 33 22 / 0.96), rgb(12 19 12 / 0.92)),
+      radial-gradient(circle at 50% 0, rgb(133 255 68 / 0.12), transparent 58%);
+    color: #f2ffe8;
+    font-size: 0.78rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      background-color 180ms ease,
+      color 180ms ease,
+      box-shadow 200ms ease,
+      opacity 180ms ease;
+  }
+
+  .connect-btn:hover:not(:disabled) {
+    border-color: rgb(170 255 121 / 0.62);
+    box-shadow:
+      inset 0 0 0 1px rgb(231 255 214 / 0.08),
+      0 0 12px rgb(133 255 68 / 0.14);
+  }
+
+  .connect-btn:disabled {
+    opacity: 0.72;
+    cursor: default;
+  }
+
+  .connect-btn.is-busy {
+    border-color: rgb(255 91 63 / 0.48);
+    background:
+      linear-gradient(180deg, rgb(38 18 15 / 0.96), rgb(23 10 10 / 0.92)),
+      radial-gradient(circle at 50% 0, rgb(255 91 63 / 0.12), transparent 58%);
+    color: rgb(255 223 217 / 0.96);
+  }
+
+  .connect-btn.is-connected {
+    border-color: rgb(62 232 255 / 0.46);
+    background:
+      linear-gradient(180deg, rgb(10 28 32 / 0.96), rgb(6 15 18 / 0.92)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.14), transparent 58%);
+    color: rgb(227 251 255 / 0.98);
+  }
+
+  .connect-btn-indicator {
+    inline-size: 0.4rem;
+    block-size: 0.4rem;
+    border-radius: 999px;
+    background: var(--hud-lime);
+    box-shadow: 0 0 0 2px rgb(133 255 68 / 0.15);
+  }
+
+  .connect-btn.is-busy .connect-btn-indicator {
+    background: var(--hud-orange);
+    box-shadow: 0 0 0 2px rgb(255 91 63 / 0.16);
+  }
+
+  .connect-btn.is-connected .connect-btn-indicator {
+    background: var(--hud-cyan);
+    box-shadow: 0 0 0 2px rgb(62 232 255 / 0.16);
+  }
+
+  .export-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.36rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(62 232 255 / 0.4);
+    border-radius: 999px;
+    padding: 0.24rem 0.72rem;
+    background:
+      linear-gradient(180deg, rgb(10 28 32 / 0.96), rgb(6 15 18 / 0.92)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.14), transparent 58%);
+    color: rgb(227 251 255 / 0.98);
+    font-size: 0.74rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      background-color 180ms ease,
+      color 180ms ease,
+      box-shadow 200ms ease,
+      opacity 180ms ease;
+  }
+
+  .export-btn svg {
+    inline-size: 0.84rem;
+    block-size: 0.84rem;
+    stroke: currentColor;
+    stroke-width: 1.35;
+    fill: none;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+  }
+
+  .export-btn:hover:not(:disabled) {
+    border-color: rgb(115 245 255 / 0.62);
+    box-shadow:
+      inset 0 0 0 1px rgb(231 255 255 / 0.08),
+      0 0 12px rgb(62 232 255 / 0.14);
+  }
+
+  .export-btn:disabled {
+    opacity: 0.72;
+    cursor: default;
+  }
+
+  .import-btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.36rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(122 198 255 / 0.36);
+    border-radius: 999px;
+    padding: 0.24rem 0.72rem;
+    background:
+      linear-gradient(180deg, rgb(11 22 32 / 0.94), rgb(7 13 20 / 0.9)),
+      radial-gradient(circle at 50% 0, rgb(122 198 255 / 0.13), transparent 58%);
+    color: rgb(226 243 255 / 0.97);
+    font-size: 0.74rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      border-color 180ms ease,
+      background-color 180ms ease,
+      color 180ms ease,
+      box-shadow 200ms ease;
+  }
+
+  .import-btn svg {
+    inline-size: 0.84rem;
+    block-size: 0.84rem;
+    stroke: currentColor;
+    stroke-width: 1.35;
+    fill: none;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+  }
+
+  .import-btn:hover {
+    border-color: rgb(164 220 255 / 0.6);
+    box-shadow:
+      inset 0 0 0 1px rgb(231 244 255 / 0.08),
+      0 0 12px rgb(122 198 255 / 0.14);
+  }
+
+  .hidden-input {
+    position: absolute;
+    inline-size: 0;
+    block-size: 0;
+    opacity: 0;
+    pointer-events: none;
+  }
+
+  .connection-notice {
+    margin: 0;
+    border: 1px solid rgb(95 132 158 / 0.32);
+    border-radius: 0.5rem;
+    padding: 0.45rem 0.7rem;
+    background: rgb(8 14 19 / 0.72);
+    color: rgb(214 236 248 / 0.96);
+    font-size: 0.72rem;
+    letter-spacing: 0.03em;
+  }
+
+  .connection-notice.tone-warn {
+    border-color: rgb(255 91 63 / 0.42);
+    background: rgb(28 12 11 / 0.78);
+    color: rgb(255 218 208 / 0.96);
+  }
+
+  .connection-notice.tone-ok {
+    border-color: rgb(133 255 68 / 0.4);
+    background: rgb(18 26 16 / 0.76);
+    color: rgb(228 255 214 / 0.96);
+  }
+
+  .connection-notice.tone-info {
+    border-color: rgb(62 232 255 / 0.34);
+    background: rgb(8 17 22 / 0.76);
+    color: rgb(214 236 248 / 0.96);
+  }
+
+  .info-grid {
+    display: flex;
+    align-items: center;
+    gap: 1.05rem;
+    flex-wrap: wrap;
+    padding-inline: 0.15rem;
+  }
+
+  .info-cell {
+    min-width: 0;
+    display: inline-flex;
+    align-items: baseline;
+    gap: 0.42rem;
+  }
+
+  .meta-label {
+    margin: 0;
+    font-size: 0.58rem;
+    letter-spacing: 0.1em;
+    color: rgb(140 163 181 / 0.82);
+    text-transform: uppercase;
+  }
+
+  .meta-value {
+    margin: 0;
+    font-size: 0.78rem;
+    letter-spacing: 0.03em;
+    color: rgb(205 228 245 / 0.92);
+  }
+
+  .locale-switch {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.34rem;
+    border: 1px solid rgb(95 132 158 / 0.34);
+    border-radius: 999px;
+    padding: 0.18rem;
+    background: rgb(10 16 20 / 0.7);
+  }
+
+  .config-links {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.2rem;
+    min-block-size: 2rem;
+    border: 1px solid rgb(95 132 158 / 0.36);
+    border-radius: 999px;
+    padding: 0.17rem 0.2rem;
+    background: linear-gradient(180deg, rgb(9 15 19 / 0.9), rgb(4 8 12 / 0.86));
+    box-shadow: inset 0 0 0 1px rgb(140 184 210 / 0.06);
+  }
+
+  .config-link {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.34rem;
+    border: 1px solid transparent;
+    border-radius: 999px;
+    padding: 0.26rem 0.64rem;
+    background: transparent;
+    color: rgb(164 188 208 / 0.9);
+    font-size: 0.81rem;
+    letter-spacing: 0.05em;
+    cursor: pointer;
+    transition:
+      color 180ms ease,
+      border-color 180ms ease,
+      background-color 180ms ease,
+      box-shadow 220ms ease;
+  }
+
+  .config-indicator {
+    inline-size: 0.34rem;
+    block-size: 0.34rem;
+    border-radius: 999px;
+    background: rgb(136 157 174 / 0.88);
+    box-shadow: 0 0 0 2px rgb(136 157 174 / 0.16);
+    transition:
+      background-color 180ms ease,
+      box-shadow 200ms ease;
+  }
+
+  .config-label {
+    line-height: 1;
+  }
+
+  .config-link:hover {
+    color: #d7edfb;
+    border-color: rgb(62 232 255 / 0.26);
+  }
+
+  .config-link.is-active {
+    color: #f1fdff;
+    border-color: rgb(106 150 180 / 0.56);
+    background: rgb(18 27 35 / 0.9);
+    box-shadow:
+      inset 0 0 0 1px rgb(167 218 252 / 0.08),
+      0 0 10px rgb(62 232 255 / 0.12);
+  }
+
+  .config-link.tone-cyan.is-active {
+    border-color: rgb(62 232 255 / 0.48);
+  }
+
+  .config-link.tone-lime.is-active {
+    border-color: rgb(133 255 68 / 0.52);
+  }
+
+  .config-link.tone-orange.is-active {
+    border-color: rgb(255 91 63 / 0.52);
+  }
+
+  .config-link.tone-cyan.is-active .config-indicator {
+    background: var(--hud-cyan);
+    box-shadow: 0 0 0 2px rgb(62 232 255 / 0.17);
+  }
+
+  .config-link.tone-lime.is-active .config-indicator {
+    background: var(--hud-lime);
+    box-shadow: 0 0 0 2px rgb(133 255 68 / 0.17);
+  }
+
+  .config-link.tone-orange.is-active .config-indicator {
+    background: var(--hud-orange);
+    box-shadow: 0 0 0 2px rgb(255 91 63 / 0.18);
+  }
+
+  .locale-btn {
+    border: 1px solid transparent;
+    border-radius: 999px;
+    padding: 0.26rem 0.6rem;
+    background: transparent;
+    color: rgb(150 173 189 / 0.9);
+    font-size: 0.7rem;
+    letter-spacing: 0.04em;
+    cursor: pointer;
+    transition:
+      color 180ms ease,
+      border-color 180ms ease,
+      background-color 180ms ease;
+  }
+
+  .locale-btn:hover {
+    color: #d7edfb;
+    border-color: rgb(62 232 255 / 0.3);
+  }
+
+  .locale-btn.is-active {
+    color: #f1fdff;
+    border-color: rgb(133 255 68 / 0.48);
+    background: rgb(24 31 25 / 0.9);
+  }
+
+  @media (max-width: 1080px) {
+    .config-links {
+      flex-wrap: wrap;
+    }
+  }
+
+  @media (max-width: 820px) {
+    .control-main-row {
+      gap: 0.44rem;
+    }
+
+    .config-links {
+      flex-wrap: wrap;
+    }
+
+    .serial-select {
+      padding-inline-start: 0.45rem;
+    }
+
+    .info-grid {
+      gap: 0.84rem;
+    }
+
+  }
+
+  @media (max-width: 620px) {
+    .suite-tag {
+      display: none;
+    }
+
+    .control-main-row {
+      align-items: stretch;
+    }
+
+    .serial-select {
+      inline-size: 100%;
+      justify-content: space-between;
+    }
+
+    .info-grid {
+      gap: 0.42rem 0.8rem;
+    }
+
+    .info-cell {
+      inline-size: 100%;
+      justify-content: space-between;
+    }
+
+    .window-btn {
+      inline-size: 1.75rem;
+    }
+
+  }
+</style>

src/lib/components/PressureMatrixViewer.svelte

@@ -0,0 +1,654 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import * as THREE from "three";
+  import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js";
+  import { pressureColorPalettes } from "$lib/config/color-map";
+  import type { PressureColorMapPreset } from "$lib/types/hud";
+
+  interface ViewerStats {
+    total: number;
+    max: number;
+    avg: number;
+  }
+
+  interface MatrixLayout {
+    cellSpacing: number;
+    boardWidth: number;
+    boardDepth: number;
+    boardPadding: number;
+    gridSpan: number;
+    gridDivisions: number;
+    labelScale: number;
+    labelFloatOffset: number;
+  }
+
+  export let pressureMatrix: number[] | null = null;
+  export let matrixRows = 12;
+  export let matrixCols = 7;
+  export let rangeMin = 0;
+  export let rangeMax = 5000;
+  export let colorMapPreset: PressureColorMapPreset = "emerald";
+
+  let viewerEl: HTMLDivElement | undefined;
+  let canvasEl: HTMLCanvasElement | undefined;
+  let overlayEl: HTMLCanvasElement | undefined;
+  let stats: ViewerStats = { total: 0, max: 0, avg: 0 };
+
+  const RAW_DATA_MAX = 5000;
+  const BASE_MATRIX_SPAN = 24;
+  const MATRIX_SPAN_GROWTH = 0.6;
+  const MIN_MATRIX_SPAN = 24;
+  const MAX_MATRIX_SPAN = 58;
+  const MIN_CELL_SPACING = 0.52;
+  const MAX_CELL_SPACING = 3.8;
+  const MIN_BOARD_PADDING = 2.6;
+  const MAX_BOARD_PADDING = 6.8;
+  const MIN_GRID_DIVISIONS = 12;
+  const MAX_GRID_DIVISIONS = 48;
+  const MIN_LABEL_SCALE = 0.72;
+  const MAX_LABEL_SCALE = 2.45;
+  const MATRIX_OFFSET_Y = -2.4;
+  const MATRIX_OFFSET_Z = 12;
+  const HEIGHT_SCALE = 18.5;
+  const BASE_HEIGHT = 0.18;
+  const GLOW_START = 0.3;
+  const SMOOTHING_SPEED = 8.2;
+  const CAMERA_FOV = 36;
+  const CAMERA_DISTANCE_MIN = 30;
+  const CAMERA_DISTANCE_MAX = 122;
+  const CAMERA_FIT_PADDING = 1.04;
+  const CAMERA_ELEVATION_DEG = 64;
+  const CAMERA_TARGET_X = 0;
+  const CAMERA_TARGET_Y = MATRIX_OFFSET_Y + 0.2;
+  const CAMERA_TARGET_Z = MATRIX_OFFSET_Z - 0.4;
+  const MATRIX_ROTATION_Y = 0;
+
+  const labelVector = new THREE.Vector3();
+  const whiteColor = new THREE.Color("#ffffff");
+  $: resolvedColorPalette = pressureColorPalettes[colorMapPreset] ?? pressureColorPalettes.emerald;
+  $: surfaceBaseColor = new THREE.Color(resolvedColorPalette.surfaceBase);
+  $: surfaceLowColor = new THREE.Color(resolvedColorPalette.surfaceLow);
+  $: surfaceMidColor = new THREE.Color(resolvedColorPalette.surfaceMid);
+  $: surfaceHighColor = new THREE.Color(resolvedColorPalette.surfaceHigh);
+  $: surfaceHotColor = new THREE.Color(resolvedColorPalette.surfaceHot);
+  $: labelZeroColor = new THREE.Color(resolvedColorPalette.labelZero);
+  $: labelLowColor = new THREE.Color(resolvedColorPalette.labelLow);
+  $: labelMidColor = new THREE.Color(resolvedColorPalette.labelMid);
+  $: labelHighColor = new THREE.Color(resolvedColorPalette.labelHigh);
+
+  function sanitizeGridValue(value: number): number {
+    return clamp(Math.round(Number.isFinite(value) ? value : 12), 1, 128);
+  }
+
+  function sanitizeRangePair(minValue: number, maxValue: number): { min: number; max: number } {
+    const resolvedMin = Math.round(Number.isFinite(minValue) ? minValue : 0);
+    const resolvedMax = Math.max(Math.round(Number.isFinite(maxValue) ? maxValue : RAW_DATA_MAX), resolvedMin + 1);
+    return { min: resolvedMin, max: resolvedMax };
+  }
+
+  $: resolvedMatrixRows = sanitizeGridValue(matrixRows);
+  $: resolvedMatrixCols = sanitizeGridValue(matrixCols);
+  $: resolvedRange = sanitizeRangePair(rangeMin, rangeMax);
+  $: resolvedRangeMin = resolvedRange.min;
+  $: resolvedRangeMax = resolvedRange.max;
+  $: matrixLayout = buildMatrixLayout(resolvedMatrixRows, resolvedMatrixCols);
+  $: statsNote = `${resolvedMatrixRows}x${resolvedMatrixCols} / color range ${resolvedRangeMin}-${resolvedRangeMax} / label raw`;
+
+  function clamp(value: number, min: number, max: number): number {
+    return Math.min(max, Math.max(min, value));
+  }
+
+  function smoothstep(edge0: number, edge1: number, x: number): number {
+    const t = clamp((x - edge0) / (edge1 - edge0), 0, 1);
+    return t * t * (3 - 2 * t);
+  }
+
+  function normalizeRawValue(value: number, minValue: number, maxValue: number): number {
+    return clamp((value - minValue) / Math.max(1, maxValue - minValue), 0, 1);
+  }
+
+  function surfaceColorMap(valueNormalized: number, target: THREE.Color = new THREE.Color()): THREE.Color {
+    const value = clamp(valueNormalized, 0, 1);
+    let mapped: THREE.Color;
+
+    if (value <= 0.45) {
+      const t = smoothstep(0, 0.45, value);
+      mapped = target.copy(surfaceBaseColor).lerp(surfaceLowColor, t);
+    } else if (value <= 0.78) {
+      const t = smoothstep(0.45, 0.78, value);
+      mapped = target.copy(surfaceLowColor).lerp(surfaceMidColor, t);
+    } else {
+      const t = smoothstep(0.78, 1, value);
+      mapped = target.copy(surfaceMidColor).lerp(surfaceHighColor, t);
+    }
+
+    const highlightStrength = smoothstep(0.82, 1, value) * 0.3;
+    return mapped.lerp(surfaceHotColor, highlightStrength);
+  }
+
+  function glowColorMap(valueNormalized: number, target: THREE.Color = new THREE.Color()): THREE.Color {
+    const value = clamp(valueNormalized, 0, 1);
+    const glowStrength = smoothstep(0.55, 1, value);
+    return surfaceColorMap(value, target).lerp(whiteColor, glowStrength * 0.42);
+  }
+
+  function labelColorMap(valueNormalized: number, target: THREE.Color = new THREE.Color()): THREE.Color {
+    const value = clamp(valueNormalized, 0, 1);
+    let mapped: THREE.Color;
+
+    if (value <= 0.34) {
+      const t = smoothstep(0, 0.34, value);
+      mapped = target.copy(labelZeroColor).lerp(labelLowColor, t);
+    } else if (value <= 0.76) {
+      const t = smoothstep(0.34, 0.76, value);
+      mapped = target.copy(labelLowColor).lerp(labelMidColor, t);
+    } else {
+      const t = smoothstep(0.76, 1, value);
+      mapped = target.copy(labelMidColor).lerp(labelHighColor, t);
+    }
+
+    const highlightStrength = smoothstep(0.8, 1, value) * 0.36;
+    return mapped.lerp(whiteColor, highlightStrength);
+  }
+
+  function shapeHeightValue(valueNormalized: number): number {
+    return Math.pow(clamp(valueNormalized, 0, 1), 0.74);
+  }
+
+  function shapeGlowStrength(valueNormalized: number): number {
+    return smoothstep(GLOW_START, 1, Math.pow(clamp(valueNormalized, 0, 1), 0.82));
+  }
+
+  function buildMatrixLayout(rows: number, cols: number): MatrixLayout {
+    const longestEdge = Math.max(rows, cols, 1);
+    const edgeSpan = Math.max(longestEdge - 1, 1);
+    const targetSpan = clamp(BASE_MATRIX_SPAN + edgeSpan * MATRIX_SPAN_GROWTH, MIN_MATRIX_SPAN, MAX_MATRIX_SPAN);
+    const cellSpacing = clamp(targetSpan / edgeSpan, MIN_CELL_SPACING, MAX_CELL_SPACING);
+    const boardWidth = Math.max(cols, 1) * cellSpacing;
+    const boardDepth = Math.max(rows, 1) * cellSpacing;
+    const boardPadding = clamp(cellSpacing * 1.62, MIN_BOARD_PADDING, MAX_BOARD_PADDING);
+    const gridSpan = Math.max(boardWidth, boardDepth) + boardPadding * 2;
+    const gridDivisions = Math.round(clamp(longestEdge * 1.6, MIN_GRID_DIVISIONS, MAX_GRID_DIVISIONS));
+    const labelScale = clamp(24 / (longestEdge + 2), MIN_LABEL_SCALE, MAX_LABEL_SCALE);
+    const labelFloatOffset = clamp(cellSpacing * 0.74, 0.64, 2.2);
+
+    return {
+      cellSpacing,
+      boardWidth,
+      boardDepth,
+      boardPadding,
+      gridSpan,
+      gridDivisions,
+      labelScale,
+      labelFloatOffset
+    };
+  }
+
+  function fitCameraDistance(boardWidth: number, boardDepth: number, boardPadding: number, viewportAspect: number): number {
+    const paddedWidth = boardWidth + boardPadding * 2;
+    const paddedDepth = boardDepth + boardPadding * 2;
+    const safeAspect = Math.max(viewportAspect, 0.5);
+    const effectiveHalfSpan = Math.max(paddedDepth * 0.5, (paddedWidth * 0.5) / safeAspect);
+    const fovRadians = THREE.MathUtils.degToRad(CAMERA_FOV * 0.5);
+    const fitDistance = (effectiveHalfSpan / Math.tan(fovRadians)) * CAMERA_FIT_PADDING;
+    return clamp(fitDistance, CAMERA_DISTANCE_MIN, CAMERA_DISTANCE_MAX);
+  }
+
+  function normalizeField(source: Float32Array, target: Float32Array, minValue: number, maxValue: number): number {
+    let max = 0;
+
+    for (let index = 0; index < source.length; index += 1) {
+      const value = source[index];
+      target[index] = normalizeRawValue(value, minValue, maxValue);
+      max = Math.max(max, value);
+    }
+
+    return max;
+  }
+
+  function copyExternalField(target: Float32Array, values: number[]): void {
+    for (let index = 0; index < target.length; index += 1) {
+      target[index] = clamp(values[index] ?? 0, 0, RAW_DATA_MAX);
+    }
+  }
+
+  function compactDisplayValue(rawValue: number, minValue: number, maxValue: number): number {
+    if (rawValue <= minValue + 4) {
+      return 0;
+    }
+
+    return Math.round(clamp(rawValue, 0, Math.max(maxValue, RAW_DATA_MAX)));
+  }
+
+  function colorToCss(color: THREE.Color): string {
+    return `rgb(${Math.round(color.r * 255)} ${Math.round(color.g * 255)} ${Math.round(color.b * 255)})`;
+  }
+
+  $: labelPalette = Array.from({ length: 33 }, (_, index) => {
+    const t = index / 32;
+    return colorToCss(labelColorMap(t, new THREE.Color()));
+  });
+
+  onMount(() => {
+    if (!viewerEl || !canvasEl || !overlayEl) {
+      return;
+    }
+
+    const gridRows = resolvedMatrixRows;
+    const gridCols = resolvedMatrixCols;
+    const { cellSpacing, boardWidth, boardDepth, boardPadding, gridSpan, gridDivisions, labelScale, labelFloatOffset } =
+      matrixLayout;
+    const instanceCount = gridRows * gridCols;
+
+    const overlayContext = overlayEl.getContext("2d");
+    if (!overlayContext) {
+      return;
+    }
+
+    const renderer = new THREE.WebGLRenderer({
+      canvas: canvasEl,
+      antialias: true,
+      alpha: true,
+      powerPreference: "high-performance"
+    });
+    renderer.setPixelRatio(Math.min(window.devicePixelRatio || 1, 2));
+    renderer.setClearColor(0x06080a, 1);
+    renderer.outputColorSpace = THREE.SRGBColorSpace;
+
+    const scene = new THREE.Scene();
+    const camera = new THREE.PerspectiveCamera(CAMERA_FOV, 1, 0.1, 500);
+    const cameraElevation = THREE.MathUtils.degToRad(CAMERA_ELEVATION_DEG);
+    const updateCameraPlacement = (viewportWidth: number, viewportHeight: number) => {
+      const aspect = viewportWidth / Math.max(viewportHeight, 1);
+      const cameraDistance = fitCameraDistance(boardWidth, boardDepth, boardPadding, aspect);
+      const heightOffset = Math.sin(cameraElevation) * cameraDistance;
+      const depthOffset = Math.cos(cameraElevation) * cameraDistance;
+      camera.position.set(CAMERA_TARGET_X, CAMERA_TARGET_Y + heightOffset, CAMERA_TARGET_Z + depthOffset);
+      camera.lookAt(CAMERA_TARGET_X, CAMERA_TARGET_Y, CAMERA_TARGET_Z);
+    };
+    updateCameraPlacement(1, 1);
+    camera.lookAt(CAMERA_TARGET_X, CAMERA_TARGET_Y, CAMERA_TARGET_Z);
+
+    const controls = new OrbitControls(camera, canvasEl);
+    controls.enableRotate = false;
+    controls.enableZoom = false;
+    controls.enablePan = false;
+    controls.enableDamping = false;
+    controls.target.set(CAMERA_TARGET_X, CAMERA_TARGET_Y, CAMERA_TARGET_Z);
+    controls.enabled = false;
+
+    const ambientLight = new THREE.AmbientLight(0xffffff, 0.26);
+    const dirLight = new THREE.DirectionalLight(0xffffff, 0.34);
+    dirLight.position.set(50, 100, 50);
+    const sideLight = new THREE.DirectionalLight(0x7cffba, 0.16);
+    sideLight.position.set(-50, 50, -50);
+    scene.add(ambientLight, dirLight, sideLight);
+
+    const matrixGroup = new THREE.Group();
+    matrixGroup.position.set(0, MATRIX_OFFSET_Y, MATRIX_OFFSET_Z);
+    matrixGroup.rotation.y = MATRIX_ROTATION_Y;
+    scene.add(matrixGroup);
+
+    const board = new THREE.Mesh(
+      new THREE.PlaneGeometry(boardWidth + boardPadding * 2, boardDepth + boardPadding * 2),
+      new THREE.MeshBasicMaterial({
+        color: 0x05070a,
+        transparent: true,
+        opacity: 0.12,
+        toneMapped: false
+      })
+    );
+    board.rotation.x = -Math.PI / 2;
+    board.position.y = -0.04;
+    matrixGroup.add(board);
+
+    const grid = new THREE.GridHelper(gridSpan, gridDivisions, 0x1a2630, 0x0a1015);
+    grid.position.y = 0;
+    const gridMaterial = grid.material;
+    if (Array.isArray(gridMaterial)) {
+      for (const material of gridMaterial) {
+        material.transparent = true;
+        material.opacity = 0.028;
+      }
+    } else {
+      gridMaterial.transparent = true;
+      gridMaterial.opacity = 0.028;
+    }
+    matrixGroup.add(grid);
+
+    const cellX = new Float32Array(instanceCount);
+    const cellZ = new Float32Array(instanceCount);
+    for (let row = 0; row < gridRows; row += 1) {
+      for (let col = 0; col < gridCols; col += 1) {
+        const index = row * gridCols + col;
+        cellX[index] = (col - gridCols / 2 + 0.5) * cellSpacing;
+        cellZ[index] = (row - gridRows / 2 + 0.5) * cellSpacing;
+      }
+    }
+
+    const targetField = new Float32Array(instanceCount);
+    const smoothedField = new Float32Array(instanceCount);
+    const normalizedField = new Float32Array(instanceCount);
+    const heightField = new Float32Array(instanceCount);
+    const compactField = new Uint16Array(instanceCount);
+    let lastFrameAt = performance.now();
+
+    const drawNumberOverlay = () => {
+      if (!viewerEl || !overlayEl) {
+        return;
+      }
+
+      const width = viewerEl.clientWidth;
+      const height = viewerEl.clientHeight;
+      const dpr = Math.min(window.devicePixelRatio || 1, 2);
+      const fontSize = clamp((Math.min(width, height) / 66) * labelScale + cellSpacing * 1.1, 6.4, 26);
+
+      overlayContext.setTransform(dpr, 0, 0, dpr, 0, 0);
+      overlayContext.clearRect(0, 0, width, height);
+      overlayContext.textAlign = "center";
+      overlayContext.textBaseline = "middle";
+
+      for (let index = 0; index < instanceCount; index += 1) {
+        labelVector.set(cellX[index], heightField[index] + labelFloatOffset, cellZ[index]);
+        labelVector.applyMatrix4(matrixGroup.matrixWorld);
+        labelVector.project(camera);
+
+        if (labelVector.z < -1 || labelVector.z > 1) {
+          continue;
+        }
+
+        const screenX = (labelVector.x * 0.5 + 0.5) * width;
+        const screenY = (-labelVector.y * 0.5 + 0.5) * height;
+
+        if (screenX < -12 || screenX > width + 12 || screenY < -12 || screenY > height + 12) {
+          continue;
+        }
+
+        const normalized = normalizedField[index];
+        const displayValue = compactField[index];
+        const displayText = String(displayValue);
+        const digitCount = displayText.length;
+        const digitScale = digitCount <= 2 ? 1 : digitCount === 3 ? 0.86 : digitCount === 4 ? 0.74 : 0.64;
+        const bucket = Math.min(32, Math.round(normalized * 32));
+        const baseGlyphSize = fontSize + smoothstep(0, 1, normalized) * (2.3 * labelScale + cellSpacing * 0.26);
+        const glyphSize = clamp(baseGlyphSize * digitScale, 5.2, 26);
+        const glowSizeFactor = digitCount >= 4 ? 0.76 : digitCount === 3 ? 0.88 : 1;
+        const glowBlur = (4.8 + smoothstep(0.08, 1, normalized) * (10.4 * Math.max(0.72, labelScale))) * glowSizeFactor;
+
+        overlayContext.font = `600 ${glyphSize.toFixed(1)}px "JetBrains Mono", "IBM Plex Mono", "Consolas", monospace`;
+        overlayContext.shadowBlur = glowBlur;
+        overlayContext.shadowColor = labelPalette[bucket];
+
+        overlayContext.fillStyle = labelPalette[bucket];
+        overlayContext.globalAlpha = displayValue === 0 ? 0.86 : 1;
+        overlayContext.fillText(displayText, screenX, screenY);
+
+        if (normalized >= 0.8) {
+          overlayContext.fillStyle = "rgb(255 245 220)";
+          overlayContext.globalAlpha = smoothstep(0.8, 1, normalized) * 0.34;
+          overlayContext.fillText(displayText, screenX, screenY);
+        }
+      }
+
+      overlayContext.globalAlpha = 1;
+      overlayContext.shadowBlur = 0;
+    };
+
+    const resize = () => {
+      if (!viewerEl || !overlayEl) {
+        return;
+      }
+
+      const width = viewerEl.clientWidth;
+      const height = viewerEl.clientHeight;
+      const dpr = Math.min(window.devicePixelRatio || 1, 2);
+
+      if (width <= 0 || height <= 0) {
+        return;
+      }
+
+      renderer.setSize(width, height, false);
+      updateCameraPlacement(width, height);
+      camera.aspect = width / height;
+      camera.updateProjectionMatrix();
+
+      overlayEl.width = Math.round(width * dpr);
+      overlayEl.height = Math.round(height * dpr);
+      overlayEl.style.width = `${width}px`;
+      overlayEl.style.height = `${height}px`;
+    };
+
+    resize();
+
+    const resizeObserver = new ResizeObserver(() => {
+      resize();
+    });
+    resizeObserver.observe(viewerEl);
+
+    renderer.setAnimationLoop((timestamp: number) => {
+      const deltaSeconds = Math.min((timestamp - lastFrameAt) / 1000, 0.06);
+      lastFrameAt = timestamp;
+
+      let shouldHardResetToZero = true;
+      if (pressureMatrix && pressureMatrix.length > 0) {
+        copyExternalField(targetField, pressureMatrix);
+        for (let index = 0; index < instanceCount; index += 1) {
+          if (targetField[index] > 0) {
+            shouldHardResetToZero = false;
+            break;
+          }
+        }
+      } else {
+        targetField.fill(0);
+      }
+
+      if (shouldHardResetToZero) {
+        smoothedField.fill(0);
+      }
+
+      const smoothing = 1 - Math.exp(-deltaSeconds * SMOOTHING_SPEED);
+      for (let index = 0; index < instanceCount; index += 1) {
+        smoothedField[index] += (targetField[index] - smoothedField[index]) * smoothing;
+      }
+
+      const maxValue = normalizeField(smoothedField, normalizedField, resolvedRangeMin, resolvedRangeMax);
+      let total = 0;
+      let activeCount = 0;
+
+      for (let index = 0; index < instanceCount; index += 1) {
+        const normalized = normalizedField[index];
+        const heightValue = shapeHeightValue(normalized);
+        const height = BASE_HEIGHT + heightValue * HEIGHT_SCALE;
+
+        heightField[index] = height;
+        compactField[index] = compactDisplayValue(smoothedField[index], resolvedRangeMin, resolvedRangeMax);
+
+        total += smoothedField[index];
+        if (smoothedField[index] > 30) {
+          activeCount += 1;
+        }
+      }
+
+      renderer.render(scene, camera);
+      drawNumberOverlay();
+
+      stats = {
+        total,
+        max: maxValue,
+        avg: activeCount > 0 ? total / activeCount : 0
+      };
+    });
+
+    return () => {
+      resizeObserver.disconnect();
+      renderer.setAnimationLoop(null);
+      controls.dispose();
+      board.geometry.dispose();
+      board.material.dispose();
+      if (Array.isArray(gridMaterial)) {
+        for (const item of gridMaterial) {
+          item.dispose();
+        }
+      } else {
+        gridMaterial.dispose();
+      }
+      renderer.dispose();
+    };
+  });
+</script>
+
+<div class="viewer-root" bind:this={viewerEl}>
+  <canvas class="viewer-canvas" bind:this={canvasEl} aria-label="Pressure Matrix Viewer"></canvas>
+  <canvas class="viewer-overlay" bind:this={overlayEl} aria-hidden="true"></canvas>
+
+  <div class="viewer-vignette" aria-hidden="true"></div>
+  <div class="viewer-noise" aria-hidden="true"></div>
+
+  <div class="viewer-controls">
+    <section class="stats-panel" aria-label="Pressure Summary">
+      <p class="stats-label">Pressure Matrix</p>
+      <div class="stats-grid">
+        <article class="stats-card stats-card-wide">
+          <span class="stats-key">Total Pressure</span>
+          <strong class="stats-value">{stats.total.toFixed(0)}</strong>
+        </article>
+        <article class="stats-card">
+          <span class="stats-key">Max</span>
+          <strong class="stats-value">{stats.max.toFixed(0)}</strong>
+        </article>
+        <article class="stats-card">
+          <span class="stats-key">Avg</span>
+          <strong class="stats-value">{stats.avg.toFixed(0)}</strong>
+        </article>
+      </div>
+      <p class="stats-note">{statsNote}</p>
+    </section>
+  </div>
+</div>
+
+<style>
+  .viewer-root {
+    position: absolute;
+    inset: 0;
+    overflow: hidden;
+    background:
+      radial-gradient(circle at 50% 58%, rgb(72 127 255 / 0.065), transparent 32%),
+      radial-gradient(circle at 50% 12%, rgb(151 231 255 / 0.05), transparent 26%),
+      linear-gradient(180deg, rgb(10 13 17 / 0.82), rgb(5 7 10 / 0.96));
+  }
+
+  .viewer-canvas,
+  .viewer-overlay {
+    position: absolute;
+    inset: 0;
+    inline-size: 100%;
+    block-size: 100%;
+    display: block;
+  }
+
+  .viewer-overlay {
+    pointer-events: none;
+    z-index: 1;
+  }
+
+  .viewer-vignette,
+  .viewer-noise {
+    position: absolute;
+    inset: 0;
+    pointer-events: none;
+  }
+
+  .viewer-vignette {
+    background: radial-gradient(circle at center, transparent 54%, rgb(0 0 0 / 0.18) 100%);
+  }
+
+  .viewer-noise {
+    background: repeating-linear-gradient(180deg, rgb(124 165 216 / 0.02) 0, rgb(124 165 216 / 0.02) 1px, transparent 1px, transparent 3px);
+  }
+
+  .viewer-controls {
+    position: absolute;
+    top: clamp(4.8rem, 10vh, 6.2rem);
+    left: clamp(2.6rem, 4vw, 3.4rem);
+    display: grid;
+    gap: 0.75rem;
+    z-index: 2;
+    max-inline-size: min(18rem, 32vw);
+  }
+
+  .stats-panel {
+    display: grid;
+    gap: 0.58rem;
+    padding: 0.74rem 0.84rem 0.82rem;
+    border: 1px solid rgb(86 151 118 / 0.32);
+    border-radius: 0.76rem;
+    background: linear-gradient(180deg, rgb(7 17 14 / 0.9), rgb(5 10 9 / 0.84));
+    box-shadow: inset 0 1px 0 rgb(171 224 197 / 0.08), 0 0 24px rgb(42 138 88 / 0.08);
+  }
+
+  .stats-label,
+  .stats-key,
+  .stats-note {
+    margin: 0;
+    color: rgb(165 212 187 / 0.84);
+    font-size: 0.58rem;
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+  }
+
+  .stats-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 0.46rem;
+  }
+
+  .stats-card {
+    display: grid;
+    gap: 0.24rem;
+    min-height: 4.2rem;
+    padding: 0.58rem 0.64rem;
+    border: 1px solid rgb(71 122 96 / 0.24);
+    border-radius: 0.56rem;
+    background: linear-gradient(180deg, rgb(8 16 14 / 0.88), rgb(5 9 8 / 0.84));
+  }
+
+  .stats-card-wide {
+    grid-column: 1 / -1;
+  }
+
+  .stats-value {
+    color: rgb(240 246 255 / 0.98);
+    font-size: clamp(1.16rem, 1vw + 0.82rem, 1.56rem);
+    line-height: 1;
+    font-weight: 600;
+  }
+
+  @media (max-width: 960px) {
+    .viewer-controls {
+      left: clamp(1rem, 2.4vw, 1.4rem);
+      max-inline-size: min(13.5rem, 42vw);
+    }
+
+    .stats-grid {
+      grid-template-columns: 1fr;
+    }
+
+    .stats-card-wide {
+      grid-column: auto;
+    }
+  }
+
+  @media (max-height: 760px) {
+    .viewer-controls {
+      top: clamp(4rem, 8vh, 4.8rem);
+    }
+
+    .stats-panel {
+      padding: 0.62rem 0.7rem;
+    }
+
+    .stats-card {
+      min-height: 3.6rem;
+    }
+  }
+</style>

src/lib/components/SignalChart.svelte

@@ -0,0 +1,452 @@
+<script lang="ts">
+  import type { HudSignalPanel, SignalTone } from "$lib/types/hud";
+
+  export let panel: HudSignalPanel;
+  export let panelIndex = 0;
+
+  const viewportWidth = 100;
+  const viewportHeight = 36;
+
+  const toneColorMap: Record<SignalTone, string> = {
+    cyan: "62 232 255",
+    lime: "133 255 68",
+    orange: "255 91 63",
+    violet: "171 118 255",
+    gold: "255 206 84",
+    rose: "255 108 176"
+  };
+
+  interface SeriesRenderShape {
+    id: string;
+    tone: SignalTone;
+    linePath: string;
+  }
+
+  function clamp(value: number, min: number, max: number): number {
+    return Math.min(max, Math.max(min, value));
+  }
+
+  function formatMetric(value: number | null): string {
+    return value === null ? "--" : value.toFixed(1);
+  }
+
+  function resolveBounds(seriesCollection: HudSignalPanel["series"]): { min: number; max: number } {
+    const allPoints = seriesCollection.flatMap((series) => series.points);
+
+    if (allPoints.length === 0) {
+      return { min: 0, max: 1 };
+    }
+
+    let min = Math.min(...allPoints);
+    let max = Math.max(...allPoints);
+
+    if (Math.abs(max - min) < 0.001) {
+      const padding = Math.max(Math.abs(max) * 0.05, 1);
+      min -= padding;
+      max += padding;
+    } else {
+      const padding = Math.max((max - min) * 0.08, 0.5);
+      min -= padding;
+      max += padding;
+    }
+
+    return { min, max };
+  }
+
+  function convertPoints(rawPoints: number[], bounds: { min: number; max: number }): Array<{ x: number; y: number }> {
+    if (!rawPoints.length) {
+      return [];
+    }
+
+    if (rawPoints.length === 1) {
+      return [{ x: viewportWidth / 2, y: viewportHeight / 2 }];
+    }
+
+    const stepX = viewportWidth / (rawPoints.length - 1);
+    const span = Math.max(bounds.max - bounds.min, 1);
+
+    return rawPoints.map((point, index) => ({
+      x: Math.round(index * stepX * 100) / 100,
+      y:
+        Math.round(
+          clamp(viewportHeight - ((point - bounds.min) / span) * viewportHeight, 1, viewportHeight - 1) * 100
+        ) / 100
+    }));
+  }
+
+  function createLinePath(rawPoints: number[], bounds: { min: number; max: number }): string {
+    const points = convertPoints(rawPoints, bounds);
+    if (!points.length) {
+      return "";
+    }
+
+    return points.map((point, index) => `${index === 0 ? "M" : "L"} ${point.x} ${point.y}`).join(" ");
+  }
+
+  $: bounds = resolveBounds(panel.series);
+  $: renderedSeries = panel.series.map(
+    (series): SeriesRenderShape => ({
+      id: series.id,
+      tone: series.tone,
+      linePath: createLinePath(series.points, bounds)
+    })
+  );
+  $: latestValue = formatMetric(panel.latest);
+  $: minValue = formatMetric(panel.min);
+  $: maxValue = formatMetric(panel.max);
+</script>
+
+<article
+  class="signal-panel side-{panel.side}"
+  class:is-active={panel.active}
+  aria-hidden={!panel.active}
+  style="--panel-index: {panelIndex};"
+>
+  <header class="panel-head">
+    <div class="head-text">
+      <p class="panel-code">{panel.code}</p>
+      <p class="panel-title">{panel.title}</p>
+    </div>
+
+    <div class="icon-layer" aria-hidden="true">
+      {#each panel.icons as icon (icon.id)}
+        <span class="icon-chip tone-{icon.tone}">{icon.label}</span>
+      {/each}
+    </div>
+  </header>
+
+  <div class="chart-stage">
+    <svg viewBox="0 0 {viewportWidth} {viewportHeight}" preserveAspectRatio="none" role="img" aria-label={panel.title}>
+      <g class="grid-line-group">
+        {#each [6, 12, 18, 24, 30] as y}
+          <line x1="0" y1={y} x2={viewportWidth} y2={y}></line>
+        {/each}
+      </g>
+
+      {#each renderedSeries as series (series.id)}
+        {#if series.linePath}
+          <path d={series.linePath} class="series-line tone-{series.tone}" />
+        {/if}
+      {/each}
+    </svg>
+
+    <div class="scan-haze" aria-hidden="true"></div>
+  </div>
+
+  <footer class="panel-foot">
+    <p class="foot-item">
+      <span class="dot tone-cyan"></span>
+      <span class="metric-label">Now</span>
+      <span class="value">{latestValue}</span>
+    </p>
+    <p class="foot-item">
+      <span class="dot tone-lime"></span>
+      <span class="metric-label">Max</span>
+      <span class="value">{maxValue}</span>
+    </p>
+    <p class="foot-item">
+      <span class="dot tone-orange"></span>
+      <span class="metric-label">Min</span>
+      <span class="value">{minValue}</span>
+    </p>
+  </footer>
+</article>
+
+<style>
+  .signal-panel {
+    --offset-x: 12%;
+    --enter-ms: 1800ms;
+    --fade-ms: 1000ms;
+    overflow: hidden;
+    inline-size: min(100%, clamp(16.8rem, 23vw, 22rem));
+    aspect-ratio: 1.44 / 1;
+    min-block-size: 11.8rem;
+    justify-self: start;
+    border: 1px solid rgb(130 174 202 / 0.42);
+    border-radius: 0.92rem;
+    padding: 0.56rem 0.62rem 0.58rem;
+    background:
+      linear-gradient(160deg, rgb(10 18 26 / 0.76) 0%, rgb(3 8 12 / 0.62) 48%, rgb(1 2 4 / 0.76) 100%),
+      radial-gradient(circle at 12% 0, rgb(62 232 255 / 0.1), transparent 40%);
+    box-shadow:
+      inset 0 0 0 1px rgb(165 224 255 / 0.08),
+      inset 0 -24px 32px rgb(0 0 0 / 0.48),
+      0 0 14px rgb(62 232 255 / 0.14);
+    opacity: 1;
+    transform: translateX(0) scale(1) rotate(0);
+    transition:
+      opacity var(--fade-ms) cubic-bezier(0.18, 0.88, 0.3, 1),
+      transform var(--enter-ms) cubic-bezier(0.2, 0.9, 0.28, 1),
+      border-color 460ms ease,
+      filter 760ms ease;
+    transition-delay: calc(var(--panel-index) * 140ms);
+  }
+
+  .signal-panel.side-left {
+    --offset-x: -132%;
+  }
+
+  .signal-panel.side-right {
+    --offset-x: 132%;
+    justify-self: end;
+  }
+
+  .signal-panel:not(.is-active) {
+    border-color: transparent;
+    opacity: 0;
+    transform: translateX(var(--offset-x)) scale(0.98) rotate(-0.6deg);
+    filter: blur(1.3px);
+    pointer-events: none;
+    transition-delay: 0ms;
+  }
+
+  .panel-head {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    gap: 0.4rem;
+    margin-block-end: 0.4rem;
+  }
+
+  .head-text {
+    min-width: 0;
+  }
+
+  .panel-code {
+    margin: 0;
+    font-size: 0.63rem;
+    color: rgb(153 188 211 / 0.88);
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+  }
+
+  .panel-title {
+    margin: 0.12rem 0 0;
+    font-size: 0.75rem;
+    color: rgb(225 243 255 / 0.96);
+    letter-spacing: 0.05em;
+  }
+
+  .icon-layer {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.26rem;
+    justify-content: flex-end;
+    align-items: center;
+  }
+
+  .icon-chip {
+    border: 1px solid rgb(138 178 204 / 0.44);
+    border-radius: 999px;
+    padding: 0.08rem 0.36rem;
+    font-size: 0.58rem;
+    letter-spacing: 0.08em;
+    color: rgb(209 237 255 / 0.94);
+    background: rgb(5 13 20 / 0.66);
+  }
+
+  .icon-chip.tone-cyan {
+    border-color: rgb(62 232 255 / 0.54);
+  }
+
+  .icon-chip.tone-lime {
+    border-color: rgb(133 255 68 / 0.56);
+  }
+
+  .icon-chip.tone-orange {
+    border-color: rgb(255 91 63 / 0.58);
+  }
+
+  .icon-chip.tone-violet {
+    border-color: rgb(171 118 255 / 0.58);
+  }
+
+  .icon-chip.tone-gold {
+    border-color: rgb(255 206 84 / 0.58);
+  }
+
+  .icon-chip.tone-rose {
+    border-color: rgb(255 108 176 / 0.58);
+  }
+
+  .chart-stage {
+    position: relative;
+    block-size: clamp(6.4rem, 9vw, 8.2rem);
+    border: 1px solid rgb(132 174 200 / 0.32);
+    border-radius: 0.62rem;
+    overflow: hidden;
+    background:
+      linear-gradient(180deg, rgb(8 17 26 / 0.68), rgb(1 6 10 / 0.78)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.09), transparent 45%);
+  }
+
+  svg {
+    display: block;
+    inline-size: 100%;
+    block-size: 100%;
+  }
+
+  .grid-line-group line {
+    stroke: rgb(138 184 210 / 0.16);
+    stroke-width: 0.45;
+  }
+
+  .series-line {
+    fill: none;
+    stroke-width: 1.3;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+    filter: drop-shadow(0 0 2px rgb(0 0 0 / 0.42));
+  }
+
+  .series-line.tone-cyan {
+    stroke: rgb(62 232 255 / 0.95);
+  }
+
+  .series-line.tone-lime {
+    stroke: rgb(133 255 68 / 0.94);
+  }
+
+  .series-line.tone-orange {
+    stroke: rgb(255 91 63 / 0.94);
+  }
+
+  .series-line.tone-violet {
+    stroke: rgb(171 118 255 / 0.94);
+  }
+
+  .series-line.tone-gold {
+    stroke: rgb(255 206 84 / 0.94);
+  }
+
+  .series-line.tone-rose {
+    stroke: rgb(255 108 176 / 0.94);
+  }
+
+  .scan-haze {
+    position: absolute;
+    inset: 0;
+    background:
+      repeating-linear-gradient(
+        180deg,
+        rgb(146 191 214 / 0.04) 0,
+        rgb(146 191 214 / 0.04) 1px,
+        transparent 1px,
+        transparent 3px
+      ),
+      linear-gradient(180deg, transparent 0%, rgb(62 232 255 / 0.06) 50%, transparent 100%);
+    background-size: 100% 100%, 100% 100%;
+    mix-blend-mode: screen;
+    pointer-events: none;
+  }
+
+  .panel-foot {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.8rem;
+    margin: 0.4rem 0 0;
+    padding: 0;
+  }
+
+  .foot-item {
+    margin: 0;
+    display: inline-flex;
+    align-items: center;
+    gap: 0.3rem;
+    color: rgb(173 206 227 / 0.9);
+    font-size: 0.62rem;
+    letter-spacing: 0.04em;
+  }
+
+  .dot {
+    inline-size: 0.34rem;
+    block-size: 0.34rem;
+    border-radius: 50%;
+  }
+
+  .dot.tone-cyan {
+    background: rgb(62 232 255);
+  }
+
+  .dot.tone-lime {
+    background: rgb(133 255 68);
+  }
+
+  .dot.tone-orange {
+    background: rgb(255 91 63);
+  }
+
+  .metric-label {
+    color: rgb(144 172 191 / 0.82);
+    text-transform: uppercase;
+    letter-spacing: 0.08em;
+  }
+
+  .value {
+    min-inline-size: 2.4rem;
+  }
+
+  @media (max-width: 1180px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(14rem, 30vw, 17rem));
+      aspect-ratio: 1.5 / 1;
+      min-block-size: 10.1rem;
+    }
+  }
+
+  @media (max-height: 900px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(15rem, 22vw, 18.5rem));
+      min-block-size: 10.6rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(5.7rem, 7.6vw, 6.9rem);
+    }
+  }
+
+  @media (max-height: 760px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(13.8rem, 20vw, 16.5rem));
+      min-block-size: 9.8rem;
+      padding: 0.46rem 0.5rem 0.5rem;
+    }
+
+    .panel-foot {
+      margin-block-start: 0.28rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(5rem, 6.6vw, 6rem);
+    }
+  }
+
+  @media (max-height: 680px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(12.8rem, 18vw, 15rem));
+      min-block-size: 8.7rem;
+      padding: 0.4rem 0.46rem 0.44rem;
+    }
+
+    .panel-head {
+      margin-block-end: 0.26rem;
+    }
+
+    .panel-foot {
+      margin-block-start: 0.18rem;
+      gap: 0.56rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(4.4rem, 5.6vw, 5.4rem);
+    }
+  }
+
+  @media (max-width: 900px) {
+    .signal-panel {
+      inline-size: 100%;
+      aspect-ratio: 1.7 / 1;
+      min-block-size: 0;
+    }
+  }
+</style>

src/lib/components/SummaryCurve.svelte

@@ -0,0 +1,436 @@
+<script lang="ts">
+  import type { HudSummary } from "$lib/types/hud";
+
+  export let summary: HudSummary;
+  export let side: "left" | "right" = "right";
+  export let panelIndex = 0;
+
+  const viewportWidth = 100;
+  const viewportHeight = 36;
+  const verticalInset = 2;
+
+  interface PlotPoint {
+    x: number;
+    y: number;
+  }
+
+  function clamp(value: number, min: number, max: number): number {
+    return Math.min(max, Math.max(min, value));
+  }
+
+  function formatValue(value: number | null): string {
+    if (value === null) {
+      return "--";
+    }
+
+    return value.toFixed(1);
+  }
+
+  function resolveBounds(points: number[]): { min: number; max: number } {
+    if (points.length === 0) {
+      return { min: 0, max: 1 };
+    }
+
+    const min = Math.min(...points);
+    const max = Math.max(...points);
+
+    if (Math.abs(max - min) < 0.001) {
+      return { min: min - 1, max: max + 1 };
+    }
+
+    return { min, max };
+  }
+
+  function convertPoints(rawPoints: number[]): PlotPoint[] {
+    if (rawPoints.length === 0) {
+      return [];
+    }
+
+    if (rawPoints.length === 1) {
+      return [{ x: viewportWidth / 2, y: viewportHeight / 2 }];
+    }
+
+    const { min, max } = resolveBounds(rawPoints);
+    const span = max - min;
+    const chartHeight = viewportHeight - verticalInset * 2;
+    const stepX = viewportWidth / (rawPoints.length - 1);
+
+    return rawPoints.map((point, index) => {
+      const ratio = span <= 0 ? 0.5 : (point - min) / span;
+      const y = viewportHeight - verticalInset - ratio * chartHeight;
+
+      return {
+        x: Math.round(index * stepX * 100) / 100,
+        y: Math.round(clamp(y, verticalInset, viewportHeight - verticalInset) * 100) / 100
+      };
+    });
+  }
+
+  function createLinePath(points: PlotPoint[]): string {
+    if (points.length === 0) {
+      return "";
+    }
+
+    return points.map((point, index) => `${index === 0 ? "M" : "L"} ${point.x} ${point.y}`).join(" ");
+  }
+
+  function createAreaPath(points: PlotPoint[]): string {
+    if (points.length < 2) {
+      return "";
+    }
+
+    const linePath = createLinePath(points);
+    const firstPoint = points[0];
+    const lastPoint = points[points.length - 1];
+
+    return `${linePath} L ${lastPoint.x} ${viewportHeight} L ${firstPoint.x} ${viewportHeight} Z`;
+  }
+
+  $: plotPoints = convertPoints(summary.points);
+  $: linePath = createLinePath(plotPoints);
+  $: areaPath = createAreaPath(plotPoints);
+  $: lastPoint = plotPoints.length > 0 ? plotPoints[plotPoints.length - 1] : null;
+  $: latestValue = formatValue(summary.latest);
+  $: minValue = formatValue(summary.min);
+  $: maxValue = formatValue(summary.max);
+  $: sampleCount = summary.points.length;
+</script>
+
+<article
+  class="signal-panel summary-panel side-{side}"
+  class:is-empty={sampleCount === 0}
+  aria-hidden={sampleCount === 0}
+  style="--panel-index: {panelIndex};"
+>
+  <header class="panel-head">
+    <div class="head-text">
+      <p class="panel-code">TOT</p>
+      <p class="panel-title">{summary.label}</p>
+    </div>
+
+    <div class="icon-layer" aria-hidden="true">
+      <span class="icon-chip tone-cyan">NOW</span>
+      <span class="icon-chip tone-lime">MIN</span>
+      <span class="icon-chip tone-orange">MAX</span>
+    </div>
+  </header>
+
+  <div class="chart-stage">
+    <svg viewBox="0 0 {viewportWidth} {viewportHeight}" preserveAspectRatio="none" role="img" aria-label={summary.label}>
+      <defs>
+        <linearGradient id="summary-fill" x1="0%" y1="0%" x2="0%" y2="100%">
+          <stop offset="0%" stop-color="rgb(62 232 255 / 0.28)" />
+          <stop offset="100%" stop-color="rgb(62 232 255 / 0.02)" />
+        </linearGradient>
+      </defs>
+
+      <g class="grid-lines" aria-hidden="true">
+        {#each [6, 12, 18, 24, 30] as y}
+          <line x1="0" y1={y} x2={viewportWidth} y2={y}></line>
+        {/each}
+      </g>
+
+      {#if areaPath}
+        <path d={areaPath} class="summary-area"></path>
+      {/if}
+
+      {#if linePath}
+        <path d={linePath} class="summary-line"></path>
+      {/if}
+
+      {#if lastPoint}
+        <circle cx={lastPoint.x} cy={lastPoint.y} r="1.7" class="summary-dot"></circle>
+      {/if}
+    </svg>
+
+    {#if sampleCount === 0}
+      <div class="empty-state">
+        <span>Waiting</span>
+      </div>
+    {/if}
+  </div>
+
+  <footer class="panel-foot">
+    <p class="foot-item">
+      <span class="dot tone-cyan"></span>
+      <span class="metric-text">Now</span>
+      <span class="value">{latestValue}</span>
+    </p>
+    <p class="foot-item">
+      <span class="dot tone-lime"></span>
+      <span class="metric-text">Min</span>
+      <span class="value">{minValue}</span>
+    </p>
+    <p class="foot-item">
+      <span class="dot tone-orange"></span>
+      <span class="metric-text">Max</span>
+      <span class="value">{maxValue}</span>
+    </p>
+  </footer>
+</article>
+
+<style>
+  .signal-panel {
+    --offset-x: 12%;
+    --enter-ms: 1800ms;
+    --fade-ms: 1000ms;
+    overflow: hidden;
+    inline-size: min(100%, clamp(16.8rem, 23vw, 22rem));
+    aspect-ratio: 1.44 / 1;
+    min-block-size: 11.8rem;
+    justify-self: start;
+    display: grid;
+    grid-template-rows: auto auto auto;
+    gap: 0.4rem;
+    padding: 0.56rem 0.62rem 0.58rem;
+    border: 1px solid rgb(130 174 202 / 0.42);
+    border-radius: 0.92rem;
+    background:
+      linear-gradient(160deg, rgb(10 18 26 / 0.76) 0%, rgb(3 8 12 / 0.62) 48%, rgb(1 2 4 / 0.76) 100%),
+      radial-gradient(circle at 12% 0, rgb(62 232 255 / 0.1), transparent 40%);
+    box-shadow:
+      inset 0 0 0 1px rgb(165 224 255 / 0.08),
+      inset 0 -24px 32px rgb(0 0 0 / 0.48),
+      0 0 14px rgb(62 232 255 / 0.14);
+    opacity: 1;
+    transform: translateX(0) scale(1) rotate(0);
+    transition:
+      opacity var(--fade-ms) cubic-bezier(0.18, 0.88, 0.3, 1),
+      transform var(--enter-ms) cubic-bezier(0.2, 0.9, 0.28, 1),
+      border-color 460ms ease,
+      filter 760ms ease;
+    transition-delay: calc(var(--panel-index) * 140ms);
+  }
+
+  .signal-panel.side-left {
+    --offset-x: -132%;
+  }
+
+  .signal-panel.side-right {
+    --offset-x: 132%;
+    justify-self: end;
+  }
+
+  .summary-panel.is-empty {
+    opacity: 0.82;
+  }
+
+  .panel-head {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    gap: 0.4rem;
+    margin-block-end: 0;
+  }
+
+  .head-text {
+    min-width: 0;
+  }
+
+  .panel-code {
+    margin: 0;
+    font-size: 0.63rem;
+    color: rgb(153 188 211 / 0.88);
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+  }
+
+  .panel-title {
+    margin: 0.12rem 0 0;
+    font-size: 0.75rem;
+    color: rgb(225 243 255 / 0.96);
+    letter-spacing: 0.05em;
+  }
+
+  .icon-layer {
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: flex-end;
+    gap: 0.26rem;
+  }
+
+  .icon-chip {
+    border: 1px solid rgb(138 178 204 / 0.44);
+    border-radius: 999px;
+    padding: 0.08rem 0.36rem;
+    font-size: 0.58rem;
+    letter-spacing: 0.08em;
+    color: rgb(209 237 255 / 0.94);
+    background: rgb(5 13 20 / 0.66);
+  }
+
+  .icon-chip.tone-cyan {
+    border-color: rgb(62 232 255 / 0.54);
+  }
+
+  .icon-chip.tone-lime {
+    border-color: rgb(133 255 68 / 0.56);
+  }
+
+  .icon-chip.tone-orange {
+    border-color: rgb(255 91 63 / 0.58);
+  }
+
+  .chart-stage {
+    position: relative;
+    block-size: clamp(6.4rem, 9vw, 8.2rem);
+    overflow: hidden;
+    border: 1px solid rgb(132 174 200 / 0.32);
+    border-radius: 0.62rem;
+    background:
+      linear-gradient(180deg, rgb(8 17 26 / 0.68), rgb(1 6 10 / 0.78)),
+      radial-gradient(circle at 50% 0, rgb(62 232 255 / 0.09), transparent 45%);
+  }
+
+  svg {
+    display: block;
+    inline-size: 100%;
+    block-size: 100%;
+  }
+
+  .grid-lines line {
+    stroke: rgb(138 184 210 / 0.16);
+    stroke-width: 0.45;
+  }
+
+  .summary-area {
+    fill: url(#summary-fill);
+  }
+
+  .summary-line {
+    fill: none;
+    stroke: rgb(62 232 255 / 0.96);
+    stroke-width: 1.35;
+    stroke-linecap: round;
+    stroke-linejoin: round;
+    filter: drop-shadow(0 0 4px rgb(62 232 255 / 0.22));
+  }
+
+  .summary-dot {
+    fill: rgb(133 255 68 / 0.98);
+    filter: drop-shadow(0 0 6px rgb(133 255 68 / 0.3));
+  }
+
+  .empty-state {
+    position: absolute;
+    inset: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: rgb(155 186 204 / 0.76);
+    font-size: 0.66rem;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+    background: linear-gradient(180deg, rgb(2 7 11 / 0.06), rgb(2 7 11 / 0.18));
+  }
+
+  .panel-foot {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.8rem;
+    margin: 0;
+    padding: 0;
+  }
+
+  .foot-item {
+    margin: 0;
+    display: inline-flex;
+    align-items: center;
+    gap: 0.28rem;
+    color: rgb(173 206 227 / 0.9);
+    font-size: 0.62rem;
+    letter-spacing: 0.04em;
+  }
+
+  .metric-text {
+    color: rgb(146 173 191 / 0.82);
+    text-transform: uppercase;
+  }
+
+  .dot {
+    inline-size: 0.34rem;
+    block-size: 0.34rem;
+    border-radius: 50%;
+  }
+
+  .dot.tone-cyan {
+    background: rgb(62 232 255);
+  }
+
+  .dot.tone-lime {
+    background: rgb(133 255 68);
+  }
+
+  .dot.tone-orange {
+    background: rgb(255 91 63);
+  }
+
+  .value {
+    min-inline-size: 2.6rem;
+  }
+
+  @media (max-width: 1180px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(14rem, 30vw, 17rem));
+      aspect-ratio: 1.5 / 1;
+      min-block-size: 10.1rem;
+    }
+  }
+
+  @media (max-height: 900px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(15rem, 22vw, 18.5rem));
+      min-block-size: 10.6rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(5.7rem, 7.6vw, 6.9rem);
+    }
+  }
+
+  @media (max-height: 760px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(13.8rem, 20vw, 16.5rem));
+      min-block-size: 9.8rem;
+      padding: 0.46rem 0.5rem 0.5rem;
+    }
+
+    .panel-foot {
+      margin-block-start: 0.28rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(5rem, 6.6vw, 6rem);
+    }
+  }
+
+  @media (max-height: 680px) {
+    .signal-panel {
+      inline-size: min(100%, clamp(12.8rem, 18vw, 15rem));
+      min-block-size: 8.7rem;
+      padding: 0.4rem 0.46rem 0.44rem;
+    }
+
+    .panel-head {
+      margin-block-end: 0.26rem;
+    }
+
+    .panel-foot {
+      margin-block-start: 0.18rem;
+      gap: 0.56rem;
+    }
+
+    .chart-stage {
+      block-size: clamp(4.4rem, 5.6vw, 5.4rem);
+    }
+  }
+
+  @media (max-width: 900px) {
+    .signal-panel {
+      inline-size: 100%;
+      aspect-ratio: 1.7 / 1;
+      min-block-size: 0;
+    }
+  }
+</style>

src/lib/config/color-map.ts

@@ -0,0 +1,57 @@
+import type { PressureColorMapPreset } from "$lib/types/hud";
+
+export interface PressureColorPalette {
+  surfaceBase: string;
+  surfaceLow: string;
+  surfaceMid: string;
+  surfaceHigh: string;
+  surfaceHot: string;
+  labelZero: string;
+  labelLow: string;
+  labelMid: string;
+  labelHigh: string;
+  rangeStops: [string, string, string, string, string, string];
+  rangeGlow: [string, string, string];
+}
+
+export const pressureColorPalettes: Record<PressureColorMapPreset, PressureColorPalette> = {
+  emerald: {
+    surfaceBase: "#13201a",
+    surfaceLow: "#285338",
+    surfaceMid: "#3f8a66",
+    surfaceHigh: "#6dd3ad",
+    surfaceHot: "#d9fff0",
+    labelZero: "#2d8d59",
+    labelLow: "#54df8e",
+    labelMid: "#98e6ff",
+    labelHigh: "#ffab78",
+    rangeStops: ["#13201a", "#285338", "#3f8a66", "#6dd3ad", "#98e6ff", "#ffab78"],
+    rangeGlow: ["#54df8e", "#98e6ff", "#ffab78"]
+  },
+  arctic: {
+    surfaceBase: "#08141d",
+    surfaceLow: "#14354d",
+    surfaceMid: "#1f6690",
+    surfaceHigh: "#58bee8",
+    surfaceHot: "#f1fdff",
+    labelZero: "#3f87ae",
+    labelLow: "#6dc8ff",
+    labelMid: "#aef3ff",
+    labelHigh: "#ffffff",
+    rangeStops: ["#08141d", "#14354d", "#1f6690", "#58bee8", "#aef3ff", "#ffffff"],
+    rangeGlow: ["#5ea9ff", "#7fe5ff", "#ffffff"]
+  },
+  ember: {
+    surfaceBase: "#1b0c08",
+    surfaceLow: "#4a1f15",
+    surfaceMid: "#8f4124",
+    surfaceHigh: "#d9772f",
+    surfaceHot: "#fff1d8",
+    labelZero: "#b9582f",
+    labelLow: "#ff8a4e",
+    labelMid: "#ffd06a",
+    labelHigh: "#fff4df",
+    rangeStops: ["#1b0c08", "#4a1f15", "#8f4124", "#d9772f", "#ffd06a", "#fff4df"],
+    rangeGlow: ["#ff7247", "#ffb14d", "#fff4df"]
+  }
+};

src/lib/styles/theme.css

@@ -0,0 +1,50 @@
+:root {
+  color-scheme: dark;
+  --hud-bg-00: #000000;
+  --hud-bg-10: #050607;
+  --hud-bg-20: #0b0e11;
+  --hud-bg-30: #030405;
+
+  --hud-cyan: #3ee8ff;
+  --hud-lime: #85ff44;
+  --hud-orange: #ff5b3f;
+  --hud-range-0: #13201a;
+  --hud-range-1: #285338;
+  --hud-range-2: #3f8a66;
+  --hud-range-3: #6dd3ad;
+  --hud-range-4: #98e6ff;
+  --hud-range-5: #ffab78;
+
+  --hud-text-main: #cfe7ff;
+  --hud-text-dim: #86a2b8;
+
+  /* Keep root surface close to the main board style to avoid visible drag-edge seams. */
+  background:
+    radial-gradient(circle at 18% 8%, rgb(62 232 255 / 0.05), transparent 38%),
+    radial-gradient(circle at 84% 14%, rgb(133 255 68 / 0.04), transparent 36%),
+    linear-gradient(165deg, var(--hud-bg-20) 0%, var(--hud-bg-10) 48%, var(--hud-bg-30) 100%);
+  background-color: var(--hud-bg-00);
+}
+
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+}
+
+html,
+body {
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  overflow: hidden;
+  overscroll-behavior: none;
+}
+
+body {
+  font-family: "Rajdhani", "Segoe UI", "PingFang SC", sans-serif;
+  color: var(--hud-text-main);
+  background: inherit;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+}

src/lib/types/hud.ts

@@ -0,0 +1,144 @@
+export type LocaleCode = "zh-CN" | "en-US";
+
+export type WindowControlAction = "minimize" | "toggle-maximize" | "close";
+
+export type ConnectionState = "online" | "connecting" | "offline";
+
+export type StageStatusTone = "ok" | "warn" | "idle";
+export type HudNoticeTone = "ok" | "warn" | "info";
+
+export type SignalTone = "cyan" | "lime" | "orange" | "violet" | "gold" | "rose";
+export type PressureColorMapPreset = "emerald" | "arctic" | "ember";
+
+export type SignalPanelSide = "left" | "right";
+
+export type HudConfigTone = "neutral" | "cyan" | "lime" | "orange";
+
+export interface HudSignalSeries {
+  id: string;
+  tone: SignalTone;
+  points: number[];
+}
+
+export interface HudSignalIcon {
+  id: string;
+  label: string;
+  tone: SignalTone;
+}
+
+export interface HudSignalPanel {
+  id: string;
+  code: string;
+  title: string;
+  side: SignalPanelSide;
+  active: boolean;
+  series: HudSignalSeries[];
+  icons: HudSignalIcon[];
+  latest: number | null;
+  min: number | null;
+  max: number | null;
+}
+
+export interface HudPacket {
+  ts: number;
+  panels: HudSignalPanel[];
+  summary: HudSummary;
+  pressureMatrix: number[] | null;
+}
+
+export interface HudSummary {
+  label: string;
+  points: number[];
+  latest: number | null;
+  min: number | null;
+  max: number | null;
+}
+
+export interface HudConfigLink {
+  id: string;
+  label: string;
+  tone?: HudConfigTone;
+  active?: boolean;
+}
+
+export interface HudColorMapOption {
+  id: PressureColorMapPreset;
+  label: string;
+  previewStops: [string, string, string];
+}
+
+export interface HudCopy {
+  appName: string;
+  suiteName: string;
+  stageTitle: string;
+  stageHint: string;
+  configPanelTitle: string;
+  configPanelHint: string;
+  matrixSizeLabel: string;
+  matrixRowsLabel: string;
+  matrixColsLabel: string;
+  rangeLabel: string;
+  rangeMinLabel: string;
+  rangeMaxLabel: string;
+  colorMapLabel: string;
+  resetConfigLabel: string;
+  applyLiveHint: string;
+  runtimeReady: string;
+  runtimeFallback: string;
+  controlArea: string;
+  serialPortLabel: string;
+  connectionLabel: string;
+  deviceLabel: string;
+  sampleRateLabel: string;
+  channelsLabel: string;
+  configLinksLabel: string;
+  refreshPortsLabel: string;
+  connectActionLabel: string;
+  disconnectActionLabel: string;
+  exportActionLabel: string;
+  exportingActionLabel: string;
+  importActionLabel: string;
+  replaySectionLabel: string;
+  replayPlayLabel: string;
+  replayPauseLabel: string;
+  replayStopLabel: string;
+  replaySpeedLabel: string;
+  replayProgressLabel: string;
+  replayEmptyHint: string;
+  connectedLabel: string;
+  connectingLabel: string;
+  disconnectedLabel: string;
+}
+
+export interface HudMatrixConfig {
+  rows: number;
+  cols: number;
+  rangeMin: number;
+  rangeMax: number;
+  colorMapPreset: PressureColorMapPreset;
+}
+
+export interface SerialConnectResult {
+  port: string;
+  connected: boolean;
+  message: string;
+}
+
+export interface SerialExportResult {
+  path: string;
+  frameCount: number;
+  message: string;
+}
+
+export interface SerialImportFrameResult {
+  data: number[];
+  dtsMs: number;
+}
+
+export interface SerialImportResult {
+  fileName: string;
+  frameCount: number;
+  channelCount: number;
+  frames: SerialImportFrameResult[];
+  message: string;
+}

src/routes/+layout.svelte

@@ -0,0 +1,17 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+
+  onMount(() => {
+    const handleContextMenu = (event: MouseEvent) => {
+      event.preventDefault();
+    };
+
+    document.addEventListener("contextmenu", handleContextMenu, true);
+
+    return () => {
+      document.removeEventListener("contextmenu", handleContextMenu, true);
+    };
+  });
+</script>
+
+<slot />

src/routes/+layout.ts

@@ -0,0 +1,5 @@
+// Tauri doesn't have a Node.js server to do proper SSR
+// so we use adapter-static with a fallback to index.html to put the site in SPA mode
+// See: https://svelte.dev/docs/kit/single-page-apps
+// See: https://v2.tauri.app/start/frontend/sveltekit/ for more info
+export const ssr = false;

static/svelte.svg

@@ -0,0 +1 @@
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static/tauri.svg

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static/vite.svg

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svelte.config.js

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+// Tauri doesn't have a Node.js server to do proper SSR
+// so we use adapter-static with a fallback to index.html to put the site in SPA mode
+// See: https://svelte.dev/docs/kit/single-page-apps
+// See: https://v2.tauri.app/start/frontend/sveltekit/ for more info
+import adapter from "@sveltejs/adapter-static";
+import { vitePreprocess } from "@sveltejs/vite-plugin-svelte";
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+  preprocess: vitePreprocess(),
+  kit: {
+    adapter: adapter({
+      fallback: "index.html",
+    }),
+  },
+};
+
+export default config;

tauri-event.md

@@ -0,0 +1,554 @@
+# Tauri Event Demo
+
+这份笔记对应当前工程里的“串口后台任务 -> Tauri event -> 前端折线图”这条链路。
+
+目标是把一类很常见的需求拆清楚：
+
+- 前端点一次按钮，调用 Rust command
+- Rust 启动一个长期运行的后台任务
+- 后台任务持续读取数据
+- 每拿到一帧数据，就通过 Tauri event 推给前端
+- 前端监听 event，直接刷新图表
+
+## 0. 2026-03-25 需求更新（WebGL 点阵改用真实数据）
+
+这次改动的目标是：
+
+- WebGL dot matrix 不再使用虚拟 demo 数据
+- 直接消费串口解析后的真实通道值
+- 默认矩阵大小改为 `row=12, col=7`
+
+### 是否需要新建 event？
+
+不需要。继续使用现有 `hud_stream` 即可，只扩展 payload 字段：
+
+- 原来：`{ ts, panels, summary }`
+- 现在：`{ ts, panels, summary, pressureMatrix }`
+
+这样做的好处是：
+
+- 前后端事件通道不变，兼容原有监听逻辑
+- 折线图和点阵图保持同一时间基准
+- 只需在 `HudPacket` 上增量扩展，不引入额外生命周期管理
+
+### 本次代码落地点
+
+- 后端 `HudPacket` 新增 `pressure_matrix`（序列化为 `pressureMatrix`）：
+  - `src-tauri/src/serial_core/model.rs`
+- 串口读循环在拿到解析值后写入 matrix 状态：
+  - `src-tauri/src/serial_core/serial.rs`
+- 前端类型 `HudPacket` 新增 `pressureMatrix: number[] | null`：
+  - `src/lib/types/hud.ts`
+- 页面把 `pressureMatrix` 透传到 `CenterStage -> PressureMatrixViewer`：
+  - `src/routes/+page.svelte`
+- `PressureMatrixViewer` 去除 demo 生成逻辑；无真实数据时显示全 0：
+  - `src/lib/components/PressureMatrixViewer.svelte`
+- 默认矩阵改为 `12 x 7`（含 reset 默认值）：
+  - `src/routes/+page.svelte`
+  - `src/lib/components/CenterStage.svelte`
+  - `src/lib/components/ConfigPanel.svelte`
+
+## 1. 什么时候用 command，什么时候用 event
+
+先记一个最实用的判断：
+
+- `command` 适合“请求一次，返回一次”
+- `event` 适合“后台持续推送”
+
+在这个项目里：
+
+- `serial_enum` 是 command，因为它是“一次查询串口列表”
+- `serial_connect` 是 command，因为它是“一次启动连接”
+- `serial_disconnect` 是 command，因为它是“一次停止连接”
+- `hud_stream` 是 event，因为图表数据会持续不断地到来
+
+如果你用 command 去不停轮询图表数据，也能做，但会有这些问题：
+
+- 前后端耦合更重
+- 轮询频率不好拿捏
+- 串口数据到了也不能立刻推到前端
+- 后面做 TCP、日志流、状态流时会越来越别扭
+
+所以像串口采样、TCP telemetry、日志输出、设备状态广播，这类都更适合 event。
+
+## 2. 当前工程里各文件的职责
+
+### Rust
+
+- `src-tauri/src/lib.rs`
+  - 注册 command
+  - 注册全局状态 `SerialConnectionState`
+
+- `src-tauri/src/commands/serial.rs`
+  - 给前端暴露 command
+  - 管理串口后台任务的生命周期
+  - 这里尽量保持“薄”
+
+- `src-tauri/src/serial_core/serial.rs`
+  - 真正的串口读循环
+  - 解码 frame
+  - 发出 `hud_stream`
+
+- `src-tauri/src/serial_core/model.rs`
+  - 定义发给前端的结构
+  - 把原始 frame 转成前端折线图直接能吃的 `HudPacket`
+
+- `src-tauri/src/serial_core/codecs/test.rs`
+  - 协议解码
+
+### Frontend
+
+- `src/routes/+page.svelte`
+  - 调用 `serial_connect` / `serial_disconnect`
+  - 监听 `hud_stream`
+  - 拿到 `HudPacket` 后刷新页面状态
+
+- `src/lib/types/hud.ts`
+  - 前端使用的 HUD 类型定义
+
+## 3. 完整数据流
+
+当前链路可以按下面理解：
+
+### 第一步：前端发起连接
+
+前端点击按钮后：
+
+```ts
+await invoke("serial_connect", { port })
+```
+
+这一步只负责“启动”，不要指望它直接把流式数据返回给前端。
+
+### 第二步：Rust command 启动后台任务
+
+`serial_connect` 做的事应该很少：
+
+1. 校验参数
+2. 打开串口
+3. 创建取消信号
+4. `spawn` 后台任务
+5. 把任务句柄保存到全局状态
+6. 立刻返回前端
+
+也就是说，command 只是“开机按钮”。
+
+### 第三步：后台任务持续读串口
+
+后台任务跑在 `serial_core/serial.rs` 里：
+
+```rust
+loop {
+    tokio::select! {
+        _ = cancel.cancelled() => break,
+        read_result = port.read(&mut buffer) => {
+            let n = read_result?;
+            let frames = codec.decode(&buffer[..n])?;
+            ...
+        }
+    }
+}
+```
+
+这里有两个关键点：
+
+- 必须只解码 `&buffer[..n]`
+- 长循环不要放在 command 里 `await` 到结束
+
+第一点是为了避免把缓冲区后面没读到的 `0` 一起喂给解码器。  
+第二点是为了避免前端永远等不到 command 返回。
+
+### 第四步：frame 转成前端友好的 packet
+
+后台拿到 frame 后，不要把原始协议直接丢给前端，先整理成业务结构：
+
+```rust
+let packet = chart_state.apply_frame(&frame);
+```
+
+这里输出的是 `HudPacket`，它的结构是前端图表直接能渲染的形状。
+
+### 第五步：Rust 发 event
+
+```rust
+app.emit("hud_stream", packet)?;
+```
+
+这一步就是把数据从 Rust 主动推给前端。
+
+### 第六步：前端监听 event
+
+前端在页面挂载时注册监听：
+
+```ts
+const unlisten = await listen<HudPacket>("hud_stream", (event) => {
+  applyPacket(event.payload);
+});
+```
+
+拿到 payload 后直接更新 `signalPanels`，图表就会刷新。
+
+## 4. 为什么要保存后台任务句柄
+
+因为连接不是瞬时动作，而是一个持续运行的任务。
+
+如果你只做：
+
+```rust
+tauri::async_runtime::spawn(async move {
+    ...
+});
+```
+
+但不保存返回的 `JoinHandle`，那你后面其实不知道该停哪个任务。
+
+所以当前项目里 `SerialConnectionState` 的职责是：
+
+- 保存当前连接的端口
+- 保存取消信号 `CancellationToken`
+- 保存后台任务句柄 `JoinHandle`
+
+断开时：
+
+1. 从 state 里把当前 session 取出来
+2. `cancel.cancel()`
+3. 等任务退出
+4. 清空 session
+
+这就是“连接生命周期管理”。
+
+## 5. 为什么我这里用 CancellationToken，而不是只 abort
+
+`abort()` 可以硬停，但更像“直接掐掉线程”。
+
+`CancellationToken` 更适合做长期任务，因为它允许你在循环里优雅退出：
+
+```rust
+tokio::select! {
+    _ = cancel.cancelled() => break,
+    ...
+}
+```
+
+这样后面如果你需要：
+
+- 退出前写日志
+- 退出前关闭资源
+- 退出前发送状态事件
+
+都更自然。
+
+当前代码里依然保留了 `JoinHandle`，因为它可以让你等待任务真正结束。
+
+## 6. 这个 demo 里 model 层在做什么
+
+`src-tauri/src/serial_core/model.rs` 里现在做了两件事：
+
+1. 定义前端消费的数据结构
+2. 提供 `HudChartState`
+
+`HudChartState` 的作用是把“一帧 frame”逐步积累成“可滚动折线图数据”。
+
+你可以把它理解成一个很轻量的 view-model：
+
+- 输入：`TestFrame`
+- 内部：维护每条折线的点数组
+- 输出：`HudPacket`
+
+好处是前端不用知道：
+
+- CRC
+- 包头包尾
+- payload 字节意义
+- 缓冲和滑动窗口怎么维护
+
+前端只知道：我收到了一份新的图表数据。
+
+## 7. 前端这里做了什么
+
+前端现在分成两层：
+
+### 控制层
+
+通过 `invoke` 调 Rust command：
+
+- `serial_enum`
+- `serial_connect`
+- `serial_disconnect`
+
+### 数据层
+
+通过 `listen("hud_stream")` 收 Rust 推送的数据。
+
+也就是说：
+
+- 控制动作走 command
+- 连续数据走 event
+
+这就是后面最好复用的模式。
+
+## 8. 为什么页面里还保留了 mock feed
+
+因为浏览器直接预览 UI 的时候，没有 Tauri runtime，也没有串口。
+
+所以当前页面里做了两条分支：
+
+- 在 Tauri 环境里：监听真实 `hud_stream`
+- 在普通浏览器里：启动本地 mock feed
+
+这样你开发样式时不用每次都连设备，效率会高很多。
+
+## 9. 后面照着扩展时怎么套
+
+如果你接下来做 TCP、日志流、设备状态流，基本可以照这个模板：
+
+### TCP telemetry
+
+- `tcp_connect` command
+- `tcp_disconnect` command
+- `tcp_stream` event
+
+### 设备状态
+
+- `device_get_status` command
+- `device_status` event
+
+### 日志输出
+
+- `log_stream` event
+
+只要记住一句话：
+
+“一次性动作走 command，持续推送走 event。”
+
+## 10. 一个最小可复用模板
+
+### Rust command
+
+```rust
+#[tauri::command]
+pub async fn start_task(app: AppHandle, state: State<'_, TaskState>) -> Result<(), TaskError> {
+    let cancel = CancellationToken::new();
+    let task_cancel = cancel.clone();
+    let task_app = app.clone();
+
+    let task = tauri::async_runtime::spawn(async move {
+        let _ = run_task(task_app, task_cancel).await;
+    });
+
+    *state.task.lock().unwrap() = Some(TaskSession { cancel, task });
+    Ok(())
+}
+```
+
+### Rust 后台任务
+
+```rust
+pub async fn run_task(app: AppHandle, cancel: CancellationToken) -> anyhow::Result<()> {
+    loop {
+        tokio::select! {
+            _ = cancel.cancelled() => break,
+            data = next_data() => {
+                let payload = build_payload(data?);
+                app.emit("some_stream", payload)?;
+            }
+        }
+    }
+
+    Ok(())
+}
+```
+
+### 前端监听
+
+```ts
+const unlisten = await listen<Payload>("some_stream", (event) => {
+  applyPayload(event.payload);
+});
+```
+
+## 11. 这套方式最容易踩的坑
+
+### 1. 在同步 command 里调用 async-only API
+
+像 `open_native_async()` 这种需要 runtime 的 API，command 本身就应该写成 `async fn`。
+
+### 2. 把长期循环直接写在 command 里
+
+这样前端 `invoke` 会一直挂着，按钮像卡死一样。
+
+### 3. 解码时传整个 buffer，而不是 `&buffer[..n]`
+
+这会把未读取区域的垃圾值一并喂给解码器。
+
+### 4. 没有保存任务句柄
+
+这样断开时你并不知道要停哪个任务。
+
+### 5. 原始协议直接发前端
+
+短期快，长期维护会很痛苦。最好让 Rust 先转换成业务数据。
+
+## 12. 你后面可以继续优化的方向
+
+- 增加 `status_stream`，当串口异常退出时主动通知前端
+- 把 `SerialConnectionState` 扩成 `HashMap<String, SerialSession>`，支持多串口
+- 把 `HudChartState` 抽成更明确的 telemetry service
+- 给不同协议定义不同 packet，而不是全部复用一个事件名
+
+## 13. 现在这版如何支持动态 panel
+
+这次我已经把 demo 从“固定四个 panel”改成了“按数据源 id 动态创建 panel”。
+
+当前后端的行为是：
+
+- 串口保持连接
+- 收到某个 source id 的数据时，如果这个 id 还没有 panel，就新建
+- 后面这个 id 持续有数据，就持续往它自己的折线里追加点
+- 如果某个 id 超过一段时间没有新数据，就自动移除
+- 移除后前端会走离场动画
+
+### 当前 demo 约定的数据格式
+
+现在 `model.rs` 里的 demo 约定是一帧 payload 可以写成多个 4 字节分组：
+
+```text
+[source_id, value1, value2, value3, source_id, value1, value2, value3, ...]
+```
+
+例如：
+
+```text
+[0x41, 180, 120, 60, 0x42, 170, 80, 30]
+```
+
+这里会被解释成：
+
+- `0x41` -> `A`
+- `0x42` -> `B`
+
+也就是说这一帧会同时更新两个 panel：
+
+- A panel
+- B panel
+
+如果后续几帧只有 B 和 C，没有 A，那 A 超时之后就会自动被移除。
+
+### source id 是怎么来的
+
+当前 demo 里：
+
+- 如果字节是字母或数字，比如 `A`、`B`、`3`
+- 就直接把它当 source id
+
+否则会变成：
+
+- `CH01`
+- `CH0A`
+- `CHFF`
+
+这种形式。
+
+### 超时移除在哪里控制
+
+在 `src-tauri/src/serial_core/model.rs` 里有一个常量：
+
+```rust
+const PANEL_STALE_AFTER: Duration = Duration::from_millis(2400);
+```
+
+意思是某个 panel 2.4 秒没收到新数据，就认为它已经“消失”，会从当前 packet 里移除。
+
+### 如果你的真实协议不是这个格式怎么办
+
+那就只改 `expand_frame_updates(frame)` 这一层。
+
+你真正要做的是把自己的协议，翻译成：
+
+- source id
+- 这个 source 对应的 3 个数值
+
+例如如果你的协议里一帧只表示一个源：
+
+```rust
+fn expand_frame_updates(frame: &TestFrame) -> Vec<HudPanelUpdate> {
+    vec![HudPanelUpdate {
+        source_id: "A".to_string(),
+        values: [12.3, 45.6, 78.9],
+    }]
+}
+```
+
+如果一帧里同时包含多个源：
+
+```rust
+fn expand_frame_updates(frame: &TestFrame) -> Vec<HudPanelUpdate> {
+    vec![
+        HudPanelUpdate {
+            source_id: "A".to_string(),
+            values: [12.3, 45.6, 78.9],
+        },
+        HudPanelUpdate {
+            source_id: "C".to_string(),
+            values: [33.1, 29.8, 81.4],
+        },
+    ]
+}
+```
+
+后面的动态创建、更新、超时移除，`HudChartState` 都会自动帮你处理掉。
+
+## 14. TODO 提示词
+
+如果你后面把 `handle` / 协议解析逻辑写完了，想让我把 demo 逻辑替换成真实业务逻辑，直接把下面这段话发给我就行：
+
+```md
+我已经把串口 frame 的业务含义梳理清楚了，请你把当前 tauri-demo 里的 demo 动态 panel 逻辑改成真实协议版本。
+
+已知信息：
+- frame 类型：`TestFrame`
+- 数据来源文件：`src-tauri/src/serial_core/...`
+- 当前 demo 映射入口：`src-tauri/src/serial_core/model.rs` 里的 `expand_frame_updates`
+- 如果需要，也可以调整 `handler.on_frame(...)` 的职责
+
+真实协议说明：
+- source_id 怎么取：
+- 一帧里有几路数据：
+- 每一路数据对应哪些字段：
+- 数值是 u8 / u16 / i16 / float：
+- 字节序是大端还是小端：
+- 缩放系数是多少：
+- 哪些情况下表示“该路数据消失”：
+- panel 标题 / 图例文案要如何显示：
+
+请你帮我做这些事：
+1. 去掉当前 demo 的 4 字节分组映射逻辑
+2. 改成按真实协议生成动态 panel
+3. 保留“有数据就创建，超时没数据就移除”的行为
+4. 如有必要，重构 `model.rs` / `handler` / `serial.rs` 的职责边界
+5. 更新 `tauri-event.md`，说明新的真实数据流
+```
+
+如果你到时候还没完全确定协议，也可以先用这个简化版提示词：
+
+```md
+我已经知道 payload 里哪些字节对应哪几个通道了，请你帮我把 `src-tauri/src/serial_core/model.rs` 里的 demo 映射改成真实映射，并告诉我还缺哪些协议信息。
+```
+
+### 到时候我最需要你提供的最小信息
+
+- source id 怎么区分不同数据源
+- 每个 source 对应几条曲线
+- payload 各字段的字节位置
+- 数值类型和缩放系数
+- 多久没数据算“消失”
+
+---
+
+如果你后面要继续照这个模式扩展，最推荐的顺序是：
+
+1. 先定义前端真正需要的 payload 结构
+2. 再写 Rust 的 model/service 层
+3. 最后只让 command 负责启动和停止
+
+这样结构通常都会比较干净。

tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": "./.svelte-kit/tsconfig.json",
+  "compilerOptions": {
+    "allowJs": true,
+    "checkJs": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "sourceMap": true,
+    "strict": true,
+    "moduleResolution": "bundler"
+  }
+  // Path aliases are handled by https://svelte.dev/docs/kit/configuration#alias
+  // except $lib which is handled by https://svelte.dev/docs/kit/configuration#files
+  //
+  // If you want to overwrite includes/excludes, make sure to copy over the relevant includes/excludes
+  // from the referenced tsconfig.json - TypeScript does not merge them in
+}

vite.config.js

@@ -0,0 +1,32 @@
+import { defineConfig } from "vite";
+import { sveltekit } from "@sveltejs/kit/vite";
+
+// @ts-expect-error process is a nodejs global
+const host = process.env.TAURI_DEV_HOST;
+
+// https://vite.dev/config/
+export default defineConfig(async () => ({
+  plugins: [sveltekit()],
+
+  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
+  //
+  // 1. prevent Vite from obscuring rust errors
+  clearScreen: false,
+  // 2. tauri expects a fixed port, fail if that port is not available
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: host || false,
+    hmr: host
+      ? {
+          protocol: "ws",
+          host,
+          port: 1421,
+        }
+      : undefined,
+    watch: {
+      // 3. tell Vite to ignore watching `src-tauri`
+      ignored: ["**/src-tauri/**"],
+    },
+  },
+}));