feat: Implement automated keyword-based news pipeline scheduler

- Add multi-threaded keyword scheduler for periodic news collection
- Create Keyword Manager API for CRUD operations and monitoring
- Implement automatic pipeline triggering (RSS → Google → AI → Translation)
- Add thread status monitoring and dynamic keyword management
- Support priority-based execution and configurable intervals
- Add comprehensive scheduler documentation guide
- Default keywords: AI, 테크놀로지, 경제, 블록체인

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

services/pipeline/shared/queue_manager.py

@@ -16,13 +16,13 @@ class QueueManager:
     """Redis 기반 큐 매니저"""
     
     QUEUES = {
-        "keyword_processing": "queue:keyword",
-        "rss_collection": "queue:rss",
-        "search_enrichment": "queue:search", 
-        "ai_summarization": "queue:summarize",
-        "translation": "queue:translate",
-        "image_generation": "queue:image",
-        "article_assembly": "queue:assembly",
+        "keyword_processing": "queue:keyword_processing",
+        "rss_collection": "queue:rss_collection",
+        "search_enrichment": "queue:search_enrichment",
+        "google_search": "queue:google_search",
+        "ai_article_generation": "queue:ai_article_generation",
+        "image_generation": "queue:image_generation",
+        "translation": "queue:translation",
         "failed": "queue:failed",
         "scheduled": "queue:scheduled"
     }
@@ -77,12 +77,15 @@ class QueueManager:
         """큐에서 작업 가져오기"""
         try:
             queue_key = self.QUEUES.get(queue_name, f"queue:{queue_name}")
+            logger.info(f"Attempting to dequeue from {queue_key} with timeout={timeout}")
             
             if timeout > 0:
-                result = await self.redis_client.blpop(queue_key, timeout=timeout)
+                result = await self.redis_client.blpop(queue_key, timeout)
                 if result:
                     _, data = result
+                    logger.info(f"Dequeued item from {queue_key}")
                 else:
+                    logger.debug(f"No item available in {queue_key}")
                     return None
             else:
                 data = await self.redis_client.lpop(queue_key)