fix: 任务抽屉产出结果优化 + server 启动修复

- 任务抽屉产出结果 tab 优先显示 last_message（日志消息），
  过滤 result_data 中的 None/空值
- 修复 tasks.py 因 opencode 块删除导致的 SyntaxError
- 修复 scheduled_generate 存储 None 值问题
- 清理 DB 中旧 scheduled_refresh_search_cache 的 56 条
  TaskLog + 1 条 TaskConfig
- 更新 PROGRESS.md

platform/backend/app/api/tasks.py

@@ -252,19 +252,7 @@ def _get_module_detail_data(module_id: str, db, ROOT, DATA_DIR, LOGS_DIR, today_
     outputs = {}
     history = []
 
-    # try reading queries from yaml
-        try:
-            import yaml
-            cfg_path = ROOT / "config" / "sources.yaml"
-            if cfg_path.exists():
-                cfg = yaml.safe_load(cfg_path.read_text(encoding="utf-8"))
-                ws = cfg.get("sustainability_sources", {}).get("web_search", [])
-                if ws:
-                    inputs["采集来源"] = f"config/sources.yaml ({len(ws)} 个搜索词)"
-        except Exception:
-            pass
-
-    elif module_id == "scheduled_fetch_trends":
+    if module_id == "scheduled_fetch_trends":
         trends_file = DATA_DIR / "trends.json"
         if trends_file.exists():
             try: