feat: migrate AI to llama and use local db

prisma/schema.prisma

@@ -3,9 +3,8 @@ generator client {
 }
 
 datasource db {
-  provider  = "postgresql"
-  url       = env("POSTGRES_PRISMA_URL") // uses connection pooling
-  directUrl = env("POSTGRES_URL_NON_POOLING") // uses a direct connection
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
 }
 
 model User {