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/simple_test.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+"""
+Simple pipeline test - direct queue injection
+"""
+import asyncio
+import json
+import redis.asyncio as redis
+from datetime import datetime
+import uuid
+
+async def test():
+    # Redis 연결
+    r = await redis.from_url("redis://redis:6379", decode_responses=True)
+    
+    # 작업 생성
+    job = {
+        "job_id": str(uuid.uuid4()),
+        "keyword_id": str(uuid.uuid4()),
+        "keyword": "전기차",
+        "stage": "rss_collection",
+        "stages_completed": [],
+        "data": {
+            "rss_feeds": [
+                "https://news.google.com/rss/search?q=전기차&hl=ko&gl=KR&ceid=KR:ko"
+            ],
+            "categories": ["technology", "automotive"]
+        },
+        "priority": 1,
+        "retry_count": 0,
+        "max_retries": 3,
+        "created_at": datetime.now().isoformat(),
+        "updated_at": datetime.now().isoformat()
+    }
+    
+    # QueueMessage 형식으로 래핑
+    message = {
+        "message_id": str(uuid.uuid4()),
+        "queue_name": "rss_collection",
+        "job": job,
+        "timestamp": datetime.now().isoformat()
+    }
+    
+    # 큐에 추가
+    await r.lpush("queue:rss_collection", json.dumps(message))
+    print(f"✅ Job {job['job_id']} added to queue:rss_collection")
+    
+    # 큐 상태 확인
+    length = await r.llen("queue:rss_collection")
+    print(f"📊 Queue length: {length}")
+    
+    await r.aclose()
+
+if __name__ == "__main__":
+    asyncio.run(test())