feat: add remaining 5 endpoints (VWAP, relative rotation, fred-regional, primary dealer)

Complete all 67 planned endpoints:
- VWAP and Relative Rotation technical indicators
- FRED regional data (by state/county/MSA)
- Primary dealer positioning (Fed data)

routes_economy.py

@@ -75,6 +75,25 @@ async def macro_hpi(country: str = Query(default="united_states", max_length=50,
 # --- Economy data endpoints ---
 
 
+@router.get("/economy/fred-regional", response_model=ApiResponse)
+@safe
+async def economy_fred_regional(
+    series_id: str = Query(..., min_length=1, max_length=30),
+    region: str = Query(default=None, max_length=20, pattern=r"^[a-z_]+$"),
+):
+    """Regional FRED data by state, county, or MSA."""
+    data = await economy_service.get_fred_regional(series_id=series_id, region=region)
+    return ApiResponse(data=data)
+
+
+@router.get("/economy/primary-dealer-positioning", response_model=ApiResponse)
+@safe
+async def economy_primary_dealer():
+    """Primary dealer net positions: treasuries, MBS, corporate bonds."""
+    data = await economy_service.get_primary_dealer_positioning()
+    return ApiResponse(data=data)
+
+
 @router.get("/economy/fred-search", response_model=ApiResponse)
 @safe
 async def economy_fred_search(query: str = Query(..., min_length=1, max_length=100)):