Sprint 002: Ingest duration & view count, FTS search, infinite scroll pagination, and transcript accordion

backend/main.py

@@ -107,11 +107,12 @@ async def root():
 async def get_videos(
     status: Optional[str] = "pending",
     limit: int = 50,
+    offset: int = 0,
     channel: Optional[str] = None,
     search: Optional[str] = None,
     db: aiosqlite.Connection = Depends(get_db)
 ):
-    """Get videos with optional search filter."""
+    """Get videos with optional search filter and pagination."""
     if search and len(search) >= 2:
         # Use search endpoint logic
         q = search.replace('"', '\\"')
@@ -123,15 +124,15 @@ async def get_videos(
         if channel:
             base_query += " AND v.channel_name = ?"
             params.append(channel)
-        base_query += " ORDER BY rank LIMIT ?"
-        params.append(limit)
+        base_query += " ORDER BY rank LIMIT ? OFFSET ?"
+        params.extend([limit, offset])
     else:
         if channel:
-            query = "SELECT * FROM videos WHERE status = ? AND channel_name = ? ORDER BY publish_date DESC, created_at DESC LIMIT ?"
-            cursor = await db.execute(query, (status, channel, limit))
+            query = "SELECT * FROM videos WHERE status = ? AND channel_name = ? ORDER BY publish_date DESC, created_at DESC LIMIT ? OFFSET ?"
+            cursor = await db.execute(query, (status, channel, limit, offset))
         else:
-            query = "SELECT * FROM videos WHERE status = ? ORDER BY publish_date DESC, created_at DESC LIMIT ?"
-            cursor = await db.execute(query, (status, limit))
+            query = "SELECT * FROM videos WHERE status = ? ORDER BY publish_date DESC, created_at DESC LIMIT ? OFFSET ?"
+            cursor = await db.execute(query, (status, limit, offset))
         rows = await cursor.fetchall()
         return [dict(row) for row in rows]
     
@@ -147,8 +148,8 @@ async def get_videos(
         if channel:
             like_query += " AND channel_name = ?"
             params.append(channel)
-        like_query += " ORDER BY publish_date DESC LIMIT ?"
-        params.append(limit)
+        like_query += " ORDER BY publish_date DESC LIMIT ? OFFSET ?"
+        params.extend([limit, offset])
         cursor = await db.execute(like_query, params)
     
     rows = await cursor.fetchall()