feat(members): add full member bio, contact info, and service history

Lazy-enriches member profiles on first view via Congress.gov detail API.
Adds office address, phone, official website, congress.gov link, birth
year, terms history, leadership roles, and sponsored/cosponsored counts.
Includes DB migration 0007 for new member columns.

Co-Authored-By: Jack Levy

backend/app/api/members.py

@@ -1,3 +1,5 @@
+import logging
+from datetime import datetime, timezone
 from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException, Query
@@ -8,6 +10,9 @@ from sqlalchemy.orm import selectinload
 from app.database import get_db
 from app.models import Bill, Member
 from app.schemas.schemas import BillSchema, MemberSchema, PaginatedResponse
+from app.services import congress_api
+
+logger = logging.getLogger(__name__)
 
 router = APIRouter()
 
@@ -60,6 +65,21 @@ async def get_member(bioguide_id: str, db: AsyncSession = Depends(get_db)):
     member = await db.get(Member, bioguide_id)
     if not member:
         raise HTTPException(status_code=404, detail="Member not found")
+
+    # Lazy-enrich with detail data from Congress.gov on first view
+    if member.detail_fetched is None:
+        try:
+            detail_raw = congress_api.get_member_detail(bioguide_id)
+            enriched = congress_api.parse_member_detail_from_api(detail_raw)
+            for field, value in enriched.items():
+                if value is not None:
+                    setattr(member, field, value)
+            member.detail_fetched = datetime.now(timezone.utc)
+            await db.commit()
+            await db.refresh(member)
+        except Exception as e:
+            logger.warning(f"Could not enrich member detail for {bioguide_id}: {e}")
+
     return member