feat: implement file editing capabilities with CodeMirror integration

- Added CodeMirror editor for file content editing in FilesView.
- Introduced draft saving functionality with unsaved changes confirmation dialog.
- Implemented file writing API to persist changes to the filesystem.
- Enhanced language support for syntax highlighting based on file extensions.
- Updated UI components to support new editing features, including save and discard options.
- Refactored line selection logic for improved user experience on both desktop and mobile.
- Added new utility functions for language detection by file extension.
- Introduced a new theme for CodeMirror to align with the application's design.

package.json

@@ -58,12 +58,32 @@
     "release:test:arm": "./scripts/test-release-build.sh aarch64"
   },
   "dependencies": {
+    "@codemirror/autocomplete": "^6.20.0",
+    "@codemirror/commands": "^6.10.1",
+    "@codemirror/highlight": "^0.19.8",
+    "@codemirror/history": "^0.19.2",
+    "@codemirror/lang-css": "^6.3.1",
+    "@codemirror/lang-html": "^6.4.11",
+    "@codemirror/lang-javascript": "^6.2.4",
+    "@codemirror/lang-json": "^6.0.2",
+    "@codemirror/lang-markdown": "^6.5.0",
+    "@codemirror/lang-python": "^6.2.1",
+    "@codemirror/lang-rust": "^6.0.2",
+    "@codemirror/lang-sql": "^6.10.0",
+    "@codemirror/lang-xml": "^6.1.0",
+    "@codemirror/lang-yaml": "^6.1.2",
+    "@codemirror/language": "^6.12.1",
+    "@codemirror/lint": "^6.9.2",
+    "@codemirror/search": "^6.6.0",
+    "@codemirror/state": "^6.5.4",
+    "@codemirror/view": "^6.39.11",
     "@fontsource/ibm-plex-mono": "^5.2.7",
     "@fontsource/ibm-plex-sans": "^5.1.1",
     "@heroui/scroll-shadow": "^2.3.18",
     "@heroui/system": "^2.4.23",
     "@heroui/theme": "^2.4.23",
     "@ibm/plex": "^6.4.1",
+    "@lezer/highlight": "^1.2.3",
     "@opencode-ai/sdk": "^1.1.19",
     "@radix-ui/react-collapsible": "^1.1.12",
     "@radix-ui/react-dialog": "^1.1.15",
@@ -76,16 +96,16 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "@remixicon/react": "^4.7.0",
     "@types/react-syntax-highlighter": "^15.5.13",
-    "ghostty-web": "0.3.0",
+    "bun-pty": "^0.4.5",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
     "electron-context-menu": "^4.1.1",
     "electron-store": "^11.0.2",
     "express": "^5.1.0",
+    "ghostty-web": "0.3.0",
     "http-proxy-middleware": "^3.0.5",
     "next-themes": "^0.4.6",
-    "bun-pty": "^0.4.5",
     "node-pty": "^1.1.0",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",