Add AI parsing capabilities for debt information and update database schema

- Implemented AI-powered parsing for debt emails using Google's Gemini model.
- Enhanced Postmark webhook to extract debt details including amount, vendor, description, due date, and legitimacy.
- Updated database schema to include new columns for AI-extracted data.
- Added environment variable requirements and updated package dependencies.
- Created migration script for new database columns and indexes.

package.json

@@ -11,8 +11,10 @@
     "astro": "astro"
   },
   "dependencies": {
+    "@ai-sdk/google": "^1.2.19",
     "@astrojs/react": "^3.6.2",
     "@astrojs/tailwind": "^5.1.1",
+    "@google/generative-ai": "^0.24.1",
     "@hookform/resolvers": "^3.9.0",
     "@radix-ui/react-accordion": "^1.2.0",
     "@radix-ui/react-alert-dialog": "^1.1.1",
@@ -44,6 +46,7 @@
     "@supabase/supabase-js": "^2.39.0",
     "@types/react": "^18.3.10",
     "@types/react-dom": "^18.3.0",
+    "ai": "^4.3.16",
     "astro": "^4.15.9",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
@@ -66,4 +69,4 @@
     "vaul": "^1.0.0",
     "zod": "^3.23.8"
   }
-}
+}