feat(extension): Gravity Web Bridge — antigravity-sdk based VS Code extension with REST/WS bridge

extension/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "gravity-web-bridge",
+  "displayName": "Gravity Web Bridge",
+  "description": "Antigravity ↔ Gravity Web 브릿지 — 대화 스트리밍, 메시지 전송, 승인/거절 제어",
+  "version": "0.1.0",
+  "publisher": "variet",
+  "engines": {
+    "vscode": "^1.85.0"
+  },
+  "categories": ["Other"],
+  "activationEvents": ["onStartupFinished"],
+  "main": "./out/extension.js",
+  "scripts": {
+    "build": "tsc -p .",
+    "watch": "tsc -watch -p .",
+    "package": "vsce package"
+  },
+  "dependencies": {
+    "antigravity-sdk": "latest",
+    "express": "^4.18.0",
+    "ws": "^8.16.0"
+  },
+  "devDependencies": {
+    "@types/vscode": "^1.85.0",
+    "@types/ws": "^8.5.0",
+    "@types/express": "^4.17.0",
+    "typescript": "^5.3.0"
+  }
+}