Convert PostgreSQL database URLs to asyncpg format for SQLAlchemy compatibility.

Author: owaisjunedi

server/app/database.py

@@ -5,6 +5,12 @@
 # Default to SQLite for local development
 DATABASE_URL = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./test.db")
 
+# Render provides postgres:// but SQLAlchemy async needs postgresql+asyncpg://
+if DATABASE_URL.startswith("postgres://"):
+    DATABASE_URL = DATABASE_URL.replace("postgres://", "postgresql+asyncpg://", 1)
+elif DATABASE_URL.startswith("postgresql://"):
+    DATABASE_URL = DATABASE_URL.replace("postgresql://", "postgresql+asyncpg://", 1)
+
 engine = create_async_engine(
     DATABASE_URL,
     echo=True,