feat: add MCU communication support to write filter coefficients via serial port

dea_api.py

@@ -19,7 +19,8 @@ from dea.csv_processing import (
     read_csv_upload,
 )
 from dea.filter_design import design_response
-from dea.schemas import BodeCompareParams, BodeParams, DesignParams
+from dea.mcu import list_mcu_ports_response, write_mcu_command_response
+from dea.schemas import BodeCompareParams, BodeParams, DesignParams, MCUWriteParams
 from dea.security import (
     SECURITY_HEADERS,
     add_security_headers,
@@ -103,6 +104,26 @@ async def filter_csv(
         raise HTTPException(status_code=400, detail=f"CSV處理失敗: {str(e)}")
 
 
+@app.get("/api/mcu/ports")
+def list_mcu_ports():
+    try:
+        return list_mcu_ports_response()
+    except HTTPException:
+        raise
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"MCU 串口清單讀取失敗: {str(e)}")
+
+
+@app.post("/api/mcu/write")
+def write_mcu_command(params: MCUWriteParams):
+    try:
+        return write_mcu_command_response(params)
+    except HTTPException:
+        raise
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"MCU 指令傳送失敗: {str(e)}")
+
+
 @app.post("/api/filter/download")
 async def filter_csv_download(
     file: UploadFile = File(...),