Initial commit: secondary school grade archive system.

Add FastAPI/React app with Docker deployment, Ubuntu one-click install, and docs for junior/senior high score tracking and mistake bank.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/main.py

@@ -0,0 +1,48 @@
+from contextlib import asynccontextmanager
+from pathlib import Path
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.core.config import settings
+from app.core.database import Base, SessionLocal, engine
+from app.routers import auth, exams, export, students, subjects, wrong_questions
+from app.services.migrate import run_migrations
+from app.services.seed import seed_subjects
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    Path(settings.UPLOAD_DIR).mkdir(parents=True, exist_ok=True)
+    Base.metadata.create_all(bind=engine)
+    run_migrations()
+    db = SessionLocal()
+    try:
+        seed_subjects(db)
+    finally:
+        db.close()
+    yield
+
+
+app = FastAPI(title="中学成绩档案", version="1.0.0", lifespan=lifespan)
+
+origins = [o.strip() for o in settings.CORS_ORIGINS.split(",") if o.strip()]
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(auth.router, prefix="/api")
+app.include_router(students.router, prefix="/api")
+app.include_router(subjects.router, prefix="/api")
+app.include_router(exams.router, prefix="/api")
+app.include_router(wrong_questions.router, prefix="/api")
+app.include_router(export.router, prefix="/api")
+
+
+@app.get("/api/health")
+def health():
+    return {"status": "ok"}