Refactor code structure for improved readability and maintainability

assistant/package.json

@@ -10,7 +10,7 @@
   ],
   "author": "abearxiong <xiongxiao@xiongxiao.me> (https://www.xiongxiao.me)",
   "license": "MIT",
-  "packageManager": "pnpm@10.29.3",
+  "packageManager": "pnpm@10.30.0",
   "type": "module",
   "files": [
     "dist",
@@ -44,16 +44,16 @@
   "devDependencies": {
     "@inquirer/prompts": "^8.2.1",
     "@kevisual/ai": "^0.0.24",
-    "@kevisual/api": "^0.0.50",
+    "@kevisual/api": "^0.0.51",
     "@kevisual/load": "^0.0.6",
     "@kevisual/local-app-manager": "^0.1.32",
     "@kevisual/logger": "^0.0.4",
-    "@kevisual/query": "0.0.40",
+    "@kevisual/query": "0.0.44",
     "@kevisual/query-login": "0.0.7",
-    "@kevisual/router": "^0.0.70",
+    "@kevisual/router": "^0.0.74",
     "@kevisual/types": "^0.0.12",
     "@kevisual/use-config": "^1.0.30",
-    "@opencode-ai/plugin": "^1.2.4",
+    "@opencode-ai/plugin": "^1.2.6",
     "@types/bun": "^1.3.9",
     "@types/node": "^25.2.3",
     "@types/send": "^1.2.1",
@@ -77,11 +77,11 @@
     "access": "public"
   },
   "dependencies": {
-    "@aws-sdk/client-s3": "^3.990.0",
+    "@aws-sdk/client-s3": "^3.991.0",
     "@kevisual/js-filter": "^0.0.5",
     "@kevisual/oss": "^0.0.19",
     "@kevisual/video-tools": "^0.0.13",
-    "@opencode-ai/sdk": "^1.2.4",
+    "@opencode-ai/sdk": "^1.2.6",
     "es-toolkit": "^1.44.0",
     "eventemitter3": "^5.0.4",
     "lowdb": "^7.0.1",