Adds Underwriter's carousel and admin features

backend/seed.py

@@ -15,7 +15,7 @@ from sqlalchemy import select
 
 from app.database import async_session
 from app.models import Show, ShowSchedule, Event, StationConfig
-from app.models import HistoryEntry, TeamMember, CommunityHighlight
+from app.models import HistoryEntry, TeamMember, CommunityHighlight, Underwriter
 
 # ── Seed data ──────────────────────────────────────────────
 
@@ -300,6 +300,38 @@ COMMUNITY_HIGHLIGHTS: list[dict] = [
 ]
 
 
+UNDERWRITERS: list[dict] = [
+    {
+        "name": "Mountain View Credit Union",
+        "description": "Proudly serving the mountain communities since 1952. Your local financial partner for savings, loans, and community investment.",
+        "logo_url": None,
+        "website_url": "https://example-mvcu.org",
+        "display_order": 1,
+    },
+    {
+        "name": "Highland Medical Center",
+        "description": "Compassionate healthcare for every ridge and valley. From urgent care to wellness programs, we keep our community healthy.",
+        "logo_url": None,
+        "website_url": "https://example-highlandmedical.org",
+        "display_order": 2,
+    },
+    {
+        "name": "Pine Street Hardware",
+        "description": "Family-owned since 1978. Everything you need for home improvement, outdoor living, and mountain-ready repairs.",
+        "logo_url": None,
+        "website_url": "https://example-pinestreet.com",
+        "display_order": 3,
+    },
+    {
+        "name": "Summit Valley Farm",
+        "description": "Organic produce, fresh eggs, and seasonal CSA shares. Bringing farm-to-table flavor to the mountain towns since 2005.",
+        "logo_url": None,
+        "website_url": "https://example-summitvalley.com",
+        "display_order": 4,
+    },
+]
+
+
 # ── Helpers ────────────────────────────────────────────────
 
 async def _upsert_event(session, data: dict) -> None:
@@ -399,6 +431,19 @@ async def _upsert_community_highlight(session, data: dict) -> None:
         session.add(CommunityHighlight(**data, active=True))
 
 
+async def _upsert_underwriter(session, data: dict) -> None:
+    """Get-or-create an underwriter matched on name."""
+    existing = await session.execute(
+        select(Underwriter).where(Underwriter.name == data["name"])
+    )
+    uw = existing.scalar_one_or_none()
+    if uw:
+        for key, value in data.items():
+            setattr(uw, key, value)
+    else:
+        session.add(Underwriter(**data, active=True))
+
+
 # ── Main ──────────────────────────────────────────────────
 
 async def seed() -> None:
@@ -428,6 +473,11 @@ async def seed() -> None:
         await session.commit()
         print(f"  ✓ Seeded {len(COMMUNITY_HIGHLIGHTS)} community highlights")
 
+        for data in UNDERWRITERS:
+            await _upsert_underwriter(session, data)
+        await session.commit()
+        print(f"  ✓ Seeded {len(UNDERWRITERS)} underwriters")
+
         # Make a copy since _upsert_show mutates the dict (pops 'schedules')
         import copy
         for data in copy.deepcopy(SHOWS):
@@ -447,6 +497,7 @@ async def truncate_all() -> None:
         await session.execute(HistoryEntry.__table__.delete())
         await session.execute(TeamMember.__table__.delete())
         await session.execute(CommunityHighlight.__table__.delete())
+        await session.execute(Underwriter.__table__.delete())
         await session.commit()
         print("  ✓ Truncated all tables")