feat: add initial implementation of Opencode client and session handling

- Created agent.ts to export necessary components from the plugin source.
- Implemented index.ts to initialize Opencode client and list projects and sessions.
- Added functionality to prompt a session with specific tool instructions.

package.json

@@ -9,18 +9,19 @@
   "keywords": [],
   "author": "abearxiong <xiongxiao@xiongxiao.me> (https://www.xiongxiao.me)",
   "license": "MIT",
-  "packageManager": "pnpm@10.14.0",
+  "packageManager": "pnpm@10.28.2",
   "type": "module",
   "devDependencies": {
-    "@kevisual/cnb": "^0.0.2",
-    "@types/bun": "^1.3.5",
-    "@types/node": "^25.0.6"
+    "@kevisual/cnb": "^0.0.19",
+    "@types/bun": "^1.3.8",
+    "@types/node": "^25.2.1"
   },
   "dependencies": {
     "@kevisual/context": "^0.0.4",
-    "@kevisual/router": "^0.0.52",
-    "@kevisual/use-config": "^1.0.24",
-    "@opencode-ai/plugin": "^1.1.14",
+    "@kevisual/router": "^0.0.70",
+    "@kevisual/use-config": "^1.0.30",
+    "@opencode-ai/plugin": "^1.1.53",
+    "@opencode-ai/sdk": "^1.1.53",
     "nanoid": "^5.1.6"
   }
 }