fix: additional podcast service updates

backend/services/podcast_service.py

@@ -61,6 +61,17 @@ class PodcastService:
             )
         ).first()
     
+    def get_project_by_idea(self, user_id: str, idea: str) -> Optional[PodcastProject]:
+        """Find a project by matching idea (case-insensitive, partial match)."""
+        # Normalize idea for comparison
+        normalized_idea = idea.strip().lower()
+        return self.db.query(PodcastProject).filter(
+            and_(
+                PodcastProject.user_id == user_id,
+                PodcastProject.idea.ilike(f"%{normalized_idea}%")
+            )
+        ).order_by(desc(PodcastProject.updated_at)).first()
+    
     def update_project(
         self,
         user_id: str,

backend/services/subscription/limit_validation.py

@@ -431,7 +431,7 @@ class LimitValidator:
                     self.db.refresh(usage)
             except Exception as query_err:
                 error_str = str(query_err).lower()
-                if 'no such column' in error_str and 'exa_calls' in error_str:
+                if 'no such column' in error_str and ('exa_calls' in error_str or 'wavespeed' in error_str):
                     logger.warning("Missing column detected in usage query, fixing schema and retrying...")
                     import sqlite3
                     import services.subscription.schema_utils as schema_utils

backend/services/subscription/schema_utils.py

@@ -88,6 +88,9 @@ def ensure_usage_summaries_columns(db: Session) -> None:
             "image_edit_cost": "REAL DEFAULT 0.0",
             "audio_calls": "INTEGER DEFAULT 0",
             "audio_cost": "REAL DEFAULT 0.0",
+            "wavespeed_calls": "INTEGER DEFAULT 0",
+            "wavespeed_tokens": "INTEGER DEFAULT 0",
+            "wavespeed_cost": "REAL DEFAULT 0.0",
         }
 
         for col_name, ddl in required_columns.items():