fix: improve graceful degradation when psycopg2 not available

Author: quantumdynamics927-dotcom

quantumpytho/modules/database.py

@@ -92,6 +92,10 @@ def __init__(self, config: Optional[DatabaseConfig] = None):
 
     def _initialize_pool(self) -> None:
         """Initialize connection pool."""
+        if not PSYCOPG2_AVAILABLE:
+            print("[NeonDB] psycopg2 not available, skipping pool initialization")
+            return
+            
         try:
             self._connection_pool = pool.SimpleConnectionPool(
                 minconn=self.config.pool_min,
@@ -244,6 +248,14 @@ def get_database() -> NeonDatabase:
     """
     global _db_instance
     if _db_instance is None:
+        if not PSYCOPG2_AVAILABLE:
+            print("[NeonDB] psycopg2 not available (install with: pip install psycopg2-binary)")
+            # Create a disabled instance
+            _db_instance = NeonDatabase.__new__(NeonDatabase)
+            _db_instance.config = DatabaseConfig()
+            _db_instance._connection_pool = None
+            return _db_instance
+            
         config = DatabaseConfig()
         if config.is_configured:
             _db_instance = NeonDatabase(config)