feat: add cached homepage information and manual AI interpretations

backend/app/main.py

@@ -24,6 +24,7 @@ from .catalog.routes import router as catalog_router
 from .config import Settings
 from .dashboard import router as dashboard_router
 from .db import create_database
+from .home_information import router as home_information_router
 from .jobs import AUTH_KINDS, Runner, create_job
 from .mcp_api.token_routes import router as mcp_token_router
 from .models import Account, Admin, BacktestConfig, Job, JobItem, LoginSession
@@ -136,6 +137,7 @@ def create_app(settings=None, wq_client=None, ai_model_factory=None):
     app.state.engine, app.state.sessions, app.state.runner = engine, sessions, runner
     app.state.settings = settings
     app.state.ai = ai_runtime
+    app.state.home_information_locks = {}
     app.state.research = research_runtime
     app.state.mcp = mcp_runtime
     login_failures = defaultdict(list)
@@ -482,6 +484,7 @@ def create_app(settings=None, wq_client=None, ai_model_factory=None):
         app.mount("/api/v1/mcp", mcp_runtime.app)
     app.include_router(mcp_token_router)
     app.include_router(dashboard_router)
+    app.include_router(home_information_router)
     app.include_router(backtest_router)
     app.include_router(api)
     app.include_router(catalog_router)