chore(config): 切换默认模型为 gpt-5.2

opencode.json

@@ -1,7 +1,17 @@
 {
   "$schema": "https://opencode.ai/config.json",
-  "model": "opencode/claude-sonnet-4-5",
-  "mcp": {},
+  "model": "opencode/gpt-5.2",
+  "mcp": {
+    "pencil": {
+      "command": [
+        "/Applications/Pencil.app/Contents/Resources/app.asar.unpacked/out/mcp-server-darwin-arm64",
+        "--ws-port",
+        "57630"
+      ],
+      "enabled": true,
+      "type": "local"
+    }
+  },
   "permission": "allow",
   "plugin": [
     "@mohak34/opencode-notifier@latest"
@@ -9,7 +19,7 @@
   "provider": {
     "opencode": {
       "models": {
-        "claude-opus-4-5": {
+        "claude-sonnet-4-5": {
           "options": {
             "thinking": {
               "type": "enabled",
@@ -18,6 +28,6 @@
           }
         }
       }
-    },
+    }
   }
 }