feat(insta): _bg_extract uses preferences + 09:00 trends_collect cron

insta-lab/app/main.py

@@ -99,11 +99,16 @@ class ExtractRequest(BaseModel):
     categories: Optional[list[str]] = None
 
 
-async def _bg_extract(task_id: str, categories: list[str]):
+async def _bg_extract(task_id: str, categories: Optional[list[str]] = None):
     try:
         db.update_task(task_id, "processing", 10, "추출 중")
-        for cat in categories:
-            keyword_extractor.extract_for_category(cat, limit=KEYWORDS_PER_CATEGORY)
+        prefs_rows = db.get_preferences()
+        weights = {p["category"]: p["weight"] for p in prefs_rows}
+        if categories:
+            # 사용자가 카테고리 명시한 경우만 그 서브셋으로 균등 가중치 (override)
+            weights = {c: 1.0 for c in categories}
+        total = KEYWORDS_PER_CATEGORY * max(1, len([w for w in weights.values() if w > 0]))
+        keyword_extractor.extract_with_weights(weights, total_limit=total)
         db.update_task(task_id, "succeeded", 100, "완료", result_id=0)
     except Exception as e:
         logger.exception("extract failed")