feat: 事件影响力分析——快讯内容深度获取 + LLM 影响推断 + 个股推荐卡（购入区间/预计收益/推荐指数）+ WS 推送

src/web/server.py

@@ -16,6 +16,7 @@ import sys
 sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))
 
 from src.realtime.collector import TimelineCollector   # noqa: E402
+from src.analysis.event_impact import EventImpactService   # noqa: E402
 
 PORT = int(os.environ.get('PORT', '8100'))
 ROOT = Path(__file__).resolve().parent.parent.parent
@@ -57,6 +58,7 @@ async def collector_task(_app):
             await asyncio.sleep(60)
 
     task = asyncio.create_task(poll())
+    _app['impact'] = collector.impact
     # 启动即推最近历史（从 jsonl 恢复）
     feed = ROOT / 'data' / 'realtime_feed.jsonl'
     if feed.exists():
@@ -81,6 +83,11 @@ async def recent_events(_request):
     return web.json_response({'events': list(recent)})
 
 
+async def impact_history(_request):
+    collector = _request.app['impact']
+    return web.json_response({'events': collector.history(20)})
+
+
 async def stats(_request):
     return web.json_response({'clients': len(clients), 'buffered': len(recent)})
 
@@ -106,6 +113,7 @@ def build_app():
     app.router.add_get('/', index)
     app.router.add_get('/api/recent', recent_events)
     app.router.add_get('/api/stats', stats)
+    app.router.add_get('/api/impact', impact_history)
     app.router.add_get('/ws', ws_handler)
     app.cleanup_ctx.append(collector_task)
     return app