feat: Added moment_count field to CreatorDetail schema, router query (K…

- "backend/schemas.py"
- "backend/routers/creators.py"
- "frontend/src/api/public-client.ts"

GSD-Task: S02/T01

backend/routers/creators.py

@@ -129,6 +129,13 @@ async def get_creator(
         .where(SourceVideo.creator_id == creator.id)
     )).scalar() or 0
 
+    # Moment count (key moments across all creator's videos)
+    moment_count = (await db.execute(
+        select(func.count()).select_from(KeyMoment)
+        .join(SourceVideo, KeyMoment.source_video_id == SourceVideo.id)
+        .where(SourceVideo.creator_id == creator.id)
+    )).scalar() or 0
+
     # Technique pages for this creator
     technique_rows = (await db.execute(
         select(

backend/schemas.py

@@ -58,6 +58,7 @@ class CreatorDetail(CreatorRead):
     featured: bool = False
     video_count: int = 0
     technique_count: int = 0
+    moment_count: int = 0
     techniques: list[CreatorTechniqueItem] = []
     genre_breakdown: dict[str, int] = {}
 

frontend/src/api/public-client.ts

@@ -196,6 +196,7 @@ export interface CreatorDetailResponse {
   featured: boolean;
   avatar_url: string | null;
   technique_count: number;
+  moment_count: number;
   techniques: CreatorTechniqueItem[];
   genre_breakdown: Record<string, number>;
 }