优化情报分栏和日报展示

app/api/routes.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Optional
+from typing import Literal, Optional
 
 from fastapi import APIRouter, Depends
 from fastapi.responses import HTMLResponse
@@ -42,11 +42,19 @@ def list_runs(db: Session = Depends(get_db)) -> list[AgentRun]:
 
 
 @router.get("/signals", response_model=list[SignalRead])
-def list_signals(limit: int = 50, db: Session = Depends(get_db)) -> list[Signal]:
+def list_signals(
+    limit: int = 100,
+    source_type: Optional[Literal["news", "github"]] = None,
+    db: Session = Depends(get_db),
+) -> list[Signal]:
     # 情报列表按采集时间倒序返回，是仪表盘的主要阅读入口。
     safe_limit = max(1, min(limit, 200))
     return list(
-        db.scalars(_visible_signals_query().order_by(Signal.id.desc()).limit(safe_limit)).all()
+        db.scalars(
+            _visible_signals_query(source_type=source_type)
+            .order_by(Signal.id.desc())
+            .limit(safe_limit)
+        ).all()
     )
 
 
@@ -60,12 +68,22 @@ def latest_report(db: Session = Depends(get_db)) -> Optional[Report]:
 def dashboard(db: Session = Depends(get_db)) -> DashboardRead:
     # 单个仪表盘接口返回运行、信号、日报和主题，前端不需要理解内部调度细节。
     runs = list(db.scalars(select(AgentRun).order_by(AgentRun.id.desc()).limit(10)).all())
-    signals = list(db.scalars(_visible_signals_query().order_by(Signal.id.desc()).limit(80)).all())
+    news_signals = list(
+        db.scalars(
+            _visible_signals_query(source_type="news").order_by(Signal.id.desc()).limit(80)
+        ).all()
+    )
+    github_signals = list(
+        db.scalars(
+            _visible_signals_query(source_type="github").order_by(Signal.id.desc()).limit(80)
+        ).all()
+    )
     report = db.scalar(select(Report).order_by(Report.id.desc()).limit(1))
     topics = list(db.scalars(select(Topic).order_by(Topic.id.asc())).all())
     return DashboardRead(
         runs=runs,
-        signals=signals,
+        news_signals=news_signals,
+        github_signals=github_signals,
         latest_report=report,
         topics=topics,
     )
@@ -96,6 +114,9 @@ def list_topics(db: Session = Depends(get_db)) -> list[Topic]:
     return list(db.scalars(select(Topic).order_by(Topic.id.asc())).all())
 
 
-def _visible_signals_query():
+def _visible_signals_query(source_type: Optional[Literal["news", "github"]] = None):
     # 运行中的信号和完成后的信号走同一张表，查询函数保留统一排序入口。
-    return select(Signal).join(AgentRun, Signal.run_id == AgentRun.id)
+    query = select(Signal).join(AgentRun, Signal.run_id == AgentRun.id)
+    if source_type is not None:
+        query = query.where(Signal.source_type == source_type)
+    return query