fixed Bind the Parameter Outside the String

app/mapper.py

@@ -206,17 +206,22 @@ def canonify_df(org_id: str, source_id: str, hours_window: int = 24) -> tuple[pd
     # Load dynamic aliases before mapping
     load_dynamic_aliases()
     
+    # 1️⃣ FETCH RAW AUDIT DATA
     # 1️⃣ FETCH RAW AUDIT DATA
     with get_conn(org_id) as conn:
         ensure_raw_table(conn)
+        
+        # ✅ FIXED: Calculate cutoff in Python, bind properly
+        cutoff_time = datetime.now() - timedelta(hours=hours_window)
+        
         try:
             rows = conn.execute("""
                 SELECT row_data FROM main.raw_rows 
                 WHERE row_data IS NOT NULL 
                 AND LENGTH(CAST(row_data AS TEXT)) > 0
-                AND ingested_at >= CURRENT_TIMESTAMP - INTERVAL '? hours'
+                AND ingested_at >= ?
                 ORDER BY ingested_at DESC
-            """, (hours_window,)).fetchall()
+            """, (cutoff_time,)).fetchall()
         except Exception as e:
             print(f"[canonify] ❌ SQL read error: {e}")
             return pd.DataFrame(), "unknown", 0.0