desktop修正

backend/app/modules/general_ledger/router.py

@@ -0,0 +1,28 @@
+from fastapi import APIRouter, HTTPException, Query
+from app.modules.general_ledger.service import fetch_general_ledger
+
+router = APIRouter(
+    prefix="/general-ledger",
+    tags=["元帳"]
+)
+
+@router.get("", summary="元帳取得（科目別）")
+def get_general_ledger(
+    account_id: int = Query(...),
+    date_from: str = Query(...),
+    date_to: str = Query(...)
+):
+    if date_from > date_to:
+        raise HTTPException(status_code=400, detail="期間指定が不正です。")
+
+    result = fetch_general_ledger(account_id, date_from, date_to)
+    if result is None:
+        raise HTTPException(status_code=400, detail="科目が存在しません。")
+
+    return {
+        "period": {
+            "from": date_from,
+            "to": date_to
+        },
+        **result
+    }