feat: add Tauri desktop app support and terminal management

packages/desktop/src-tauri/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+/target/
+/gen/schemas

packages/desktop/src-tauri/Cargo.toml

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+[package]
+name = "paseo"
+version = "0.1.0"
+description = "Paseo Desktop"
+authors = ["moboudra"]
+license = "MIT"
+repository = "https://github.com/moboudra/paseo"
+edition = "2021"
+rust-version = "1.77.2"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+name = "paseo_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[[bin]]
+name = "Paseo"
+path = "src/main.rs"
+
+[build-dependencies]
+tauri-build = { version = "2.5.3", features = [] }
+
+[dependencies]
+serde_json = "1.0"
+serde = { version = "1.0", features = ["derive"] }
+log = "0.4"
+tauri = { version = "2.9.5", features = [] }
+tauri-plugin-log = "2"

packages/desktop/src-tauri/build.rs

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

packages/desktop/src-tauri/capabilities/default.json

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+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "enables the default permissions",
+  "windows": [
+    "main"
+  ],
+  "permissions": [
+    "core:default",
+    "core:window:allow-start-dragging",
+    "core:window:allow-toggle-maximize"
+  ]
+}

packages/desktop/src-tauri/icons/android/mipmap-anydpi-v26/ic_launcher.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <background android:drawable="@color/ic_launcher_background"/>
+</adaptive-icon>

packages/desktop/src-tauri/icons/android/values/ic_launcher_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="ic_launcher_background">#fff</color>
+</resources>

packages/desktop/src-tauri/src/lib.rs

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+use std::sync::atomic::{AtomicU64, Ordering};
+use tauri::menu::{Menu, MenuItemBuilder, Submenu};
+use tauri::Manager;
+use tauri::WebviewWindow;
+
+// Store zoom as u64 bits (f64 * 100 as integer for atomic ops)
+static ZOOM_LEVEL: AtomicU64 = AtomicU64::new(100);
+
+fn get_zoom_factor() -> f64 {
+    ZOOM_LEVEL.load(Ordering::Relaxed) as f64 / 100.0
+}
+
+fn set_zoom_factor(webview: &WebviewWindow, factor: f64) {
+    let clamped = factor.clamp(0.5, 3.0);
+    ZOOM_LEVEL.store((clamped * 100.0) as u64, Ordering::Relaxed);
+    let _ = webview.set_zoom(clamped);
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .setup(|app| {
+            if cfg!(debug_assertions) {
+                app.handle().plugin(
+                    tauri_plugin_log::Builder::default()
+                        .level(log::LevelFilter::Info)
+                        .build(),
+                )?;
+            }
+
+            // Build the View menu with zoom controls
+            let zoom_in = MenuItemBuilder::with_id("zoom_in", "Zoom In")
+                .accelerator("CmdOrCtrl+=")
+                .build(app)?;
+            let zoom_out = MenuItemBuilder::with_id("zoom_out", "Zoom Out")
+                .accelerator("CmdOrCtrl+-")
+                .build(app)?;
+            let zoom_reset = MenuItemBuilder::with_id("zoom_reset", "Actual Size")
+                .accelerator("CmdOrCtrl+0")
+                .build(app)?;
+
+            let view_menu = Submenu::with_items(
+                app,
+                "View",
+                true,
+                &[&zoom_in, &zoom_out, &zoom_reset],
+            )?;
+
+            let menu = Menu::with_items(app, &[&view_menu])?;
+            app.set_menu(menu)?;
+
+            let window = app.get_webview_window("main").unwrap();
+            let window_clone = window.clone();
+
+            app.on_menu_event(move |_app, event| {
+                let id = event.id().as_ref();
+                if id == "zoom_in" {
+                    let current = get_zoom_factor();
+                    set_zoom_factor(&window_clone, current + 0.1);
+                } else if id == "zoom_out" {
+                    let current = get_zoom_factor();
+                    set_zoom_factor(&window_clone, current - 0.1);
+                } else if id == "zoom_reset" {
+                    set_zoom_factor(&window_clone, 1.0);
+                }
+            });
+
+            Ok(())
+        })
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

packages/desktop/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() {
+  paseo_lib::run();
+}

packages/desktop/src-tauri/tauri.conf.json

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+{
+  "$schema": "../node_modules/@tauri-apps/cli/config.schema.json",
+  "productName": "Paseo",
+  "version": "0.1.0",
+  "identifier": "dev.paseo.desktop",
+  "build": {
+    "frontendDist": "../../app/dist",
+    "devUrl": "http://localhost:8081"
+  },
+  "app": {
+    "withGlobalTauri": true,
+    "windows": [
+      {
+        "title": "Paseo",
+        "width": 1200,
+        "height": 800,
+        "minWidth": 800,
+        "minHeight": 600,
+        "resizable": true,
+        "fullscreen": false,
+        "titleBarStyle": "Overlay",
+        "hiddenTitle": true,
+        "trafficLightPosition": { "x": 16, "y": 22 }
+      }
+    ],
+    "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"
+    ]
+  }
+}