初始提交：OpenCode Go 用量监控 Tauri 桌面应用

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 = "go-meter"
+version = "0.1.0"
+description = "OpenCode Go plan usage monitor"
+authors = ["you"]
+edition = "2021"
+
+[lib]
+name = "go_meter_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-single-instance = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+rusqlite = { version = "0.40", features = ["bundled"] }
+reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "gzip"] }
+regex = "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": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": ["core:default"]
+}

src-tauri/capabilities/remote.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "remote-console",
+  "description": "Capability for the remote opencode.ai console page (hidden browser window)",
+  "windows": ["browser"],
+  "remote": {
+    "urls": ["https://opencode.ai"]
+  },
+  "permissions": ["core:event:default"]
+}

src-tauri/src/main.rs

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+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    #[cfg(not(debug_assertions))]
+    fix_invalid_stdio();
+    go_meter_lib::run()
+}
+
+// Windows GUI 子系统程序从无控制台的宿主环境（如沙箱、计划任务）启动时，
+// 标准输入/输出/错误句柄可能无效，导致 WebView2 子进程初始化挂起。
+// 将无效句柄重定向到 NUL 保证句柄有效。
+#[cfg(not(debug_assertions))]
+fn fix_invalid_stdio() {
+    use std::ffi::c_void;
+    unsafe {
+        extern "system" {
+            fn SetStdHandle(n_std_handle: u32, handle: *mut c_void) -> i32;
+            fn CreateFileW(
+                lp_file_name: *const u16,
+                dw_desired_access: u32,
+                dw_share_mode: u32,
+                lp_security_attributes: *mut c_void,
+                dw_creation_disposition: u32,
+                dw_flags_and_attributes: u32,
+                h_template_file: *mut c_void,
+            ) -> *mut c_void;
+        }
+        const STD_INPUT_HANDLE: u32 = -10i32 as u32;
+        const STD_OUTPUT_HANDLE: u32 = -11i32 as u32;
+        const STD_ERROR_HANDLE: u32 = -12i32 as u32;
+        const GENERIC_READ: u32 = 0x8000_0000;
+        const GENERIC_WRITE: u32 = 0x4000_0000;
+        const FILE_SHARE_READ: u32 = 1;
+        const FILE_SHARE_WRITE: u32 = 2;
+        const OPEN_EXISTING: u32 = 3;
+        const FILE_ATTRIBUTE_NORMAL: u32 = 0x80;
+
+        let path: Vec<u16> = "NUL".encode_utf16().chain(std::iter::once(0)).collect();
+        let h = CreateFileW(
+            path.as_ptr(),
+            GENERIC_READ | GENERIC_WRITE,
+            FILE_SHARE_READ | FILE_SHARE_WRITE,
+            std::ptr::null_mut(),
+            OPEN_EXISTING,
+            FILE_ATTRIBUTE_NORMAL,
+            std::ptr::null_mut(),
+        );
+        if !h.is_null() {
+            SetStdHandle(STD_INPUT_HANDLE, h);
+            SetStdHandle(STD_OUTPUT_HANDLE, h);
+            SetStdHandle(STD_ERROR_HANDLE, h);
+        }
+    }
+}

src-tauri/tauri.conf.json

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+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "OpenCode Go Meter",
+  "version": "0.1.0",
+  "identifier": "com.gometer.app",
+  "build": {
+    "beforeDevCommand": "pnpm dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "pnpm build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "withGlobalTauri": true,
+    "windows": [
+      {
+        "label": "main",
+        "title": "OpenCode Go 用量",
+        "width": 400,
+        "height": 720,
+        "minWidth": 360,
+        "minHeight": 600,
+        "resizable": true,
+        "center": true
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ]
+  }
+}