feat: protocol and template API endpoints, auto-pipeline on upload

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/app/main.py

@@ -1,19 +1,38 @@
 from contextlib import asynccontextmanager
 
 from fastapi import FastAPI
+from sqlalchemy import select
 
 from app.api.auth import router as auth_router
+from app.api.protocols import router as protocols_router
 from app.api.recordings import router as recordings_router
+from app.api.templates import router as templates_router
+from app.database import async_session
+from app.models.prompt_template import PromptTemplate
+from app.prompts.defaults import DEFAULT_TEMPLATES
+
+
+async def seed_default_templates():
+    async with async_session() as db:
+        result = await db.execute(select(PromptTemplate))
+        if result.scalars().first() is not None:
+            return
+        for tpl in DEFAULT_TEMPLATES:
+            db.add(PromptTemplate(**tpl))
+        await db.commit()
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
+    await seed_default_templates()
     yield
 
 
 app = FastAPI(title="Meeting Protocol Service", lifespan=lifespan)
 app.include_router(auth_router)
 app.include_router(recordings_router)
+app.include_router(protocols_router)
+app.include_router(templates_router)
 
 
 @app.get("/api/health")