chore(extension): apply code formatting and add changeset

- Format all extension files according to project standards
- Add changeset for VS Code extension implementation
- Update package-lock.json dependencies

apps/extension/components.json

@@ -1,18 +1,18 @@
 {
-  "$schema": "https://ui.shadcn.com/schema.json",
-  "style": "default",
-  "rsc": false,
-  "tsx": true,
-  "tailwind": {
-    "config": "tailwind.config.js",
-    "css": "src/webview/index.css",
-    "baseColor": "slate",
-    "cssVariables": true,
-    "prefix": ""
-  },
-  "aliases": {
-    "components": "@/components",
-    "utils": "@/lib"
-  },
-  "iconLibrary": "lucide-react"
-} 
+	"$schema": "https://ui.shadcn.com/schema.json",
+	"style": "default",
+	"rsc": false,
+	"tsx": true,
+	"tailwind": {
+		"config": "tailwind.config.js",
+		"css": "src/webview/index.css",
+		"baseColor": "slate",
+		"cssVariables": true,
+		"prefix": ""
+	},
+	"aliases": {
+		"components": "@/components",
+		"utils": "@/lib"
+	},
+	"iconLibrary": "lucide-react"
+}