FEAT: chuẩn bị thư viện để tạo file exe trên window

src-tauri/Cargo.toml

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+[package]
+name = "sonicforge-daw"
+version = "1.0.0"
+description = "SonicForge DAW desktop shell (Tauri v2 + Python sidecar)"
+edition = "2021"
+
+[lib]
+name = "sonicforge_daw_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-shell = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
+[profile.release]
+strip = true
+lto = true
+codegen-units = 1

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": "Default capability for the main window",
+  "windows": ["main"],
+  "permissions": ["core:default"]
+}

src-tauri/hooks.nsh

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+; NSIS installer hooks — cai Microsoft Visual C++ Redistributable neu thieu
+; (MSVCP140.dll missing). Dat vc_redist.x64.exe CANH tauri.conf.json
+; (build_windows.ps1 tu tai ve neu chua co).
+!macro customInstall
+  File "/oname=$PLUGINSDIR\vc_redist.x64.exe" "vc_redist.x64.exe"
+  ExecWait '"$PLUGINSDIR\vc_redist.x64.exe" /install /quiet /norestart'
+!macroend

src-tauri/src/lib.rs

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+// SonicForge DAW — desktop shell: spawn/terminate daw_engine.exe sidecar.
+use tauri_plugin_shell::process::CommandChild;
+use tauri_plugin_shell::ShellExt;
+use std::sync::Mutex;
+
+struct EngineProcess(Mutex<Option<CommandChild>>);
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_shell::init())
+        .setup(|app| {
+            // 1. Spawn sidecar daw_engine.exe (PyInstaller bundle)
+            let sidecar_command = app
+                .shell()
+                .sidecar("daw_engine")
+                .expect("sidecar daw_engine not found — run build_windows.ps1 first");
+            let (_rx, child) = sidecar_command
+                .env("SF_PARENT_PID", std::process::id().to_string())
+                .spawn()
+                .expect("Failed to spawn daw_engine sidecar");
+
+            app.manage(EngineProcess(Mutex::new(Some(child))));
+            println!("Python Background Engine started (localhost:8000, auto-fallback 8000-8010)");
+            Ok(())
+        })
+        .on_window_event(|window, event| {
+            // 2. Terminate sidecar khi DAW window dong — tranh orphan process
+            if let tauri::WindowEvent::Destroyed = event {
+                let state = window.state::<EngineProcess>();
+                if let Ok(mut lock) = state.0.lock() {
+                    if let Some(child) = lock.take() {
+                        let _ = child.kill();
+                        println!("daw_engine sidecar terminated.");
+                    }
+                }
+            }
+        })
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

src-tauri/src/main.rs

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+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    sonicforge_daw_lib::run()
+}

src-tauri/tauri.conf.json

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+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "SonicForgeDAW",
+  "version": "1.0.0",
+  "identifier": "com.sonicforge.daw",
+  "build": {
+    "frontendDist": "ui",
+    "devUrl": "http://localhost:8000"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "Sonic Forge DAW - Professional Desktop Studio",
+        "width": 1440,
+        "height": 900,
+        "resizable": true,
+        "fullscreen": false,
+        "devtools": true
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": ["msi", "nsis"],
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.ico"
+    ],
+    "externalBin": [
+      "binaries/daw_engine"
+    ],
+    "nsis": {
+      "installerHooks": "hooks.nsh"
+    }
+  }
+}

src-tauri/ui/index.html

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+<!doctype html>
+<html lang="vi">
+<head>
+  <meta charset="utf-8">
+  <title>SonicForge DAW</title>
+  <style>
+    body { font-family: system-ui, sans-serif; background: #12141a; color: #e8eaf0;
+           display: flex; align-items: center; justify-content: center; height: 100vh; margin: 0; }
+    #msg { text-align: center; max-width: 480px; line-height: 1.6; }
+  </style>
+</head>
+<body>
+  <div id="msg">Đang khởi động SonicForge Engine…</div>
+  <script>
+    // Engine (sidecar) có thể cần vài giây để boot (import librosa/pedalboard).
+    // Thử health-check trên dải port 8000-8010, redirect tới port đầu tiên OK.
+    (async function () {
+      var tries = 0;
+      while (tries < 90) { // ~60s tối đa
+        for (var p = 8000; p <= 8010; p++) {
+          try {
+            var r = await fetch('http://127.0.0.1:' + p + '/health', { cache: 'no-store' });
+            if (r.ok) { location.href = 'http://127.0.0.1:' + p + '/'; return; }
+          } catch (e) { /* port chưa mở */ }
+        }
+        tries++;
+        await new Promise(function (res) { setTimeout(res, 700); });
+      }
+      document.getElementById('msg').textContent =
+        'Không tìm thấy SonicForge Engine (port 8000–8010). Hãy đóng và chạy lại ứng dụng. ' +
+        'Nếu lặp lại, xem log: %APPDATA%\\SonicForgeDAW\\logs\\engine.log';
+    })();
+  </script>
+</body>
+</html>