Initial commit: breakpilot-lehrer - Lehrer KI Platform

Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website,
Klausur-Service, School-Service, Voice-Service, Geo-Service,
BreakPilot Drive, Agent-Core

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

klausur-service/backend/main.py

@@ -0,0 +1,190 @@
+"""
+Klausur-Service - Abitur/Vorabitur Klausurkorrektur Microservice
+
+Eigenstaendiger Service fuer:
+- Klausurverwaltung (Abitur/Vorabitur)
+- OCR-Verarbeitung handschriftlicher Arbeiten
+- KI-gestuetzte Bewertung
+- Gutachten-Generierung
+- 15-Punkte-Notensystem
+- BYOEH (Bring-Your-Own-Expectation-Horizon)
+
+This is the main entry point. All functionality is organized in modular packages:
+- models/: Data models and Pydantic schemas
+- routes/: API endpoint handlers
+- services/: Business logic
+- storage.py: In-memory data storage
+- config.py: Configuration constants
+"""
+
+import os
+from contextlib import asynccontextmanager
+
+import asyncpg
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse
+
+# Configuration
+from config import EH_UPLOAD_DIR, FRONTEND_PATH
+
+# Routes
+from routes import api_router
+
+# External module routers (already modular)
+from admin_api import router as admin_router
+from zeugnis_api import router as zeugnis_router
+from training_api import router as training_router
+from mail.api import router as mail_router
+try:
+    from trocr_api import router as trocr_router
+except ImportError:
+    trocr_router = None
+from vocab_worksheet_api import router as vocab_router, set_db_pool as set_vocab_db_pool, _init_vocab_table, _load_all_sessions, DATABASE_URL as VOCAB_DATABASE_URL
+try:
+    from dsfa_rag_api import router as dsfa_rag_router, set_db_pool as set_dsfa_db_pool
+    from dsfa_corpus_ingestion import DSFAQdrantService, DATABASE_URL as DSFA_DATABASE_URL
+except ImportError:
+    dsfa_rag_router = None
+    set_dsfa_db_pool = None
+    DSFAQdrantService = None
+    DSFA_DATABASE_URL = None
+
+# BYOEH Qdrant initialization
+from qdrant_service import init_qdrant_collection
+
+
+# =============================================
+# APP SETUP
+# =============================================
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Application lifespan manager for startup and shutdown events."""
+    print("Klausur-Service starting...")
+
+    # Initialize database pool for Vocab Sessions
+    vocab_db_pool = None
+    try:
+        vocab_db_pool = await asyncpg.create_pool(VOCAB_DATABASE_URL, min_size=2, max_size=5)
+        set_vocab_db_pool(vocab_db_pool)
+        await _init_vocab_table()
+        await _load_all_sessions()
+        print(f"Vocab sessions database initialized")
+    except Exception as e:
+        print(f"Warning: Vocab sessions database initialization failed: {e}")
+
+    # Initialize database pool for DSFA RAG
+    dsfa_db_pool = None
+    if DSFA_DATABASE_URL and set_dsfa_db_pool:
+        try:
+            dsfa_db_pool = await asyncpg.create_pool(DSFA_DATABASE_URL, min_size=2, max_size=10)
+            set_dsfa_db_pool(dsfa_db_pool)
+            print(f"DSFA database pool initialized: {DSFA_DATABASE_URL}")
+        except Exception as e:
+            print(f"Warning: DSFA database pool initialization failed: {e}")
+
+    # Initialize Qdrant collection for BYOEH
+    try:
+        await init_qdrant_collection()
+        print("Qdrant BYOEH collection initialized")
+    except Exception as e:
+        print(f"Warning: Qdrant BYOEH initialization failed: {e}")
+
+    # Initialize Qdrant collection for DSFA RAG
+    if DSFAQdrantService:
+        try:
+            dsfa_qdrant = DSFAQdrantService()
+            await dsfa_qdrant.ensure_collection()
+            print("Qdrant DSFA corpus collection initialized")
+        except Exception as e:
+            print(f"Warning: Qdrant DSFA initialization failed: {e}")
+
+    # Ensure EH upload directory exists
+    os.makedirs(EH_UPLOAD_DIR, exist_ok=True)
+
+    yield
+
+    print("Klausur-Service shutting down...")
+
+    # Close Vocab sessions database pool
+    if vocab_db_pool:
+        await vocab_db_pool.close()
+        print("Vocab sessions database pool closed")
+
+    # Close DSFA database pool
+    if dsfa_db_pool:
+        await dsfa_db_pool.close()
+        print("DSFA database pool closed")
+
+
+app = FastAPI(
+    title="Klausur-Service",
+    description="Abitur/Vorabitur Klausurkorrektur Microservice",
+    version="1.0.0",
+    lifespan=lifespan
+)
+
+# CORS Middleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# =============================================
+# INCLUDE ROUTERS
+# =============================================
+
+# Main API routes (modular)
+app.include_router(api_router)
+
+# External module routers
+app.include_router(admin_router)      # NiBiS Ingestion
+app.include_router(zeugnis_router)    # Zeugnis Rights-Aware Crawler
+app.include_router(training_router)   # Training Management
+app.include_router(mail_router)       # Unified Inbox Mail
+if trocr_router:
+    app.include_router(trocr_router)      # TrOCR Handwriting OCR
+app.include_router(vocab_router)      # Vocabulary Worksheet Generator
+if dsfa_rag_router:
+    app.include_router(dsfa_rag_router)   # DSFA RAG Corpus Search
+
+
+# =============================================
+# HEALTH CHECK
+# =============================================
+
+@app.get("/health")
+async def health():
+    """Health check endpoint."""
+    return {"status": "healthy", "service": "klausur-service"}
+
+
+# =============================================
+# SERVE FRONTEND
+# =============================================
+
+if os.path.exists(FRONTEND_PATH):
+    app.mount("/assets", StaticFiles(directory=f"{FRONTEND_PATH}/assets"), name="assets")
+
+    @app.get("/")
+    async def serve_frontend():
+        """Serve the React frontend."""
+        return FileResponse(f"{FRONTEND_PATH}/index.html")
+
+    @app.get("/{path:path}")
+    async def serve_frontend_routes(path: str):
+        """Serve index.html for all non-API routes (SPA routing)."""
+        if not path.startswith("api/") and not path.startswith("health"):
+            return FileResponse(f"{FRONTEND_PATH}/index.html")
+        from fastapi import HTTPException
+        raise HTTPException(status_code=404)
+
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8086)