feat: add chat and file management APIs, implement chat loading and saving functionality

- Introduced new API endpoints for chat management including posting and retrieving chat messages.
- Implemented file upload and deletion functionalities for chat and other files.
- Added utility functions for streaming text and loading chat data.
- Created TypeScript types for models and agents used in the application.
- Configured TypeScript settings for server and project.
- Added favicon and workspace configuration for pnpm.

package.json

@@ -0,0 +1,42 @@
+{
+  "name": "nuxt-app",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "nuxt build",
+    "dev": "nuxt dev",
+    "generate": "nuxt generate",
+    "preview": "npx nuxthub preview",
+    "deploy": "npx nuxthub deploy",
+    "postinstall": "nuxt prepare",
+    "lint": "eslint .",
+    "db:generate": "drizzle-kit generate",
+    "db:push": "drizzle-kit push"
+  },
+  "dependencies": {
+    "@ai-sdk/vue": "^1.2.8",
+    "@nuxt/eslint": "^1.3.0",
+    "@nuxt/icon": "1.12.0",
+    "@nuxt/ui": "3.0.2",
+    "@nuxthub/core": "^0.8.24",
+    "@nuxtjs/mdc": "0.16.1",
+    "@vueuse/core": "^13.1.0",
+    "ai": "^4.3.6",
+    "h3-zod": "^0.5.3",
+    "nuxt": "^3.16.2",
+    "vue": "^3.5.13",
+    "vue-router": "^4.5.0",
+    "workers-ai-provider": "^0.3.0",
+    "zod": "^3.24.2"
+  },
+  "devDependencies": {
+    "@iconify-json/heroicons": "^1.2.2",
+    "@iconify-json/ph": "^1.2.2",
+    "@nuxt/eslint-config": "^1.3.0",
+    "eslint": "^9.24.0",
+    "typescript": "^5.8.3",
+    "vue-tsc": "^2.2.8",
+    "wrangler": "^4.10.0"
+  },
+  "packageManager": "pnpm@10.8.0"
+}