[Snow Team] ocr-python: auto-commit work

apps/backend/subservices/ocr-worker/pyproject.toml

@@ -5,6 +5,8 @@ readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
     "ddddocr>=1.6.1",
+    "fastapi>=0.115.0",
+    "uvicorn>=0.34.0",
 ]
 
 [project.scripts]

apps/backend/subservices/ocr-worker/src/ocr_worker/server.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+import asyncio
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+
+from .engine import get_ocr_engine
+from .cli import recognize_payload, batch_recognize_payload
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # Eagerly load model on startup
+    get_ocr_engine()
+    yield
+
+
+app = FastAPI(lifespan=lifespan)
+
+
+@app.get("/health")
+async def health():
+    return {"code": 0, "msg": "ok"}
+
+
+@app.post("/ocr/recognize")
+async def recognize(payload: dict):
+    return await asyncio.to_thread(recognize_payload, payload)
+
+
+@app.post("/ocr/batch")
+async def batch_recognize(payload: dict):
+    return await asyncio.to_thread(batch_recognize_payload, payload)