initial

backend/app/main.py

@@ -0,0 +1,76 @@
+"""FastAPI application entrypoint."""
+from __future__ import annotations
+
+import asyncio
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api import admin, auth, misc, presets, sessions, worlds
+from app.config import settings
+from app.logging_setup import get_logger, setup_logging
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    setup_logging()
+    log = get_logger("app")
+    log.info("app_starting", worker_mode=settings.is_worker)
+
+    # Initialize DB tables and seed defaults
+    from app.migrations.init_db import init_db
+    try:
+        await init_db()
+    except Exception as e:
+        log.error("init_db_failed", error=str(e))
+
+    # Initialize RAG collections (using current DB-backed embedding settings)
+    try:
+        from app.core.rag import get_rag
+        from app.core.settings_service import get_all_settings
+        from app.db import AsyncSessionLocal
+        async with AsyncSessionLocal() as session:
+            settings_map = await get_all_settings(session)
+        await get_rag(settings_map)
+    except Exception as e:
+        log.warning("rag_init_failed", error=str(e))
+
+    yield
+
+    log.info("app_stopping")
+
+
+app = FastAPI(
+    title="AI RPG Backend",
+    version="0.1.0",
+    description="Flexible AI-powered role-playing game backend.",
+    lifespan=lifespan,
+)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.cors_origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+@app.get("/health")
+async def health():
+    return {"status": "ok"}
+
+
+@app.get("/")
+async def root():
+    return {"app": "ai-rpg", "version": "0.1.0"}
+
+
+# Routers
+app.include_router(auth.router)
+app.include_router(admin.router)
+app.include_router(presets.router)
+app.include_router(worlds.router)
+app.include_router(sessions.router)
+app.include_router(misc.router)