feat(memory): propagate temporal validity fields through extraction pipeline

- Add valid_at/invalid_at passthrough in triplet extraction prompt (both zh/en)
- Propagate temporal_validity to EntityEntityEdge in ExtractionOrchestrator
- Use coalesce() for valid_at/invalid_at in Neo4j cypher queries to handle NULLs
- Fix workspace_id/config_id UUID parsing in read_memory config resolution
- Downgrade verbose extraction pipeline logs from info to debug
- Remove UUID and short API key patterns from sensitive filter to reduce false positives
- Standardize log message format (use = spacing, end_user_id label)
- Fix misindented TODO comment in write_pipeline.py

api/app/core/logging_config.py

@@ -130,6 +130,10 @@ class LoggingConfig:
         for neo4j_logger_name in ["neo4j", "neo4j.io", "neo4j.pool", "neo4j.notifications"]:
             neo4j_logger = logging.getLogger(neo4j_logger_name)
             neo4j_logger.addFilter(neo4j_filter)
+
+        # 压制 httpx / httpcore 的请求级日志（大量 HTTP Request: POST ... 噪音）
+        for noisy_logger in ["httpx", "httpcore", "httpcore.http11", "httpcore.connection"]:
+            logging.getLogger(noisy_logger).setLevel(logging.WARNING)
         
         # 创建格式化器
         formatter = logging.Formatter(