Initial commit: mini-erp (backend FastAPI + frontend React/Vite)

Base para el flujo de ramas por cliente.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

mini-backend/routers/apigateway.py

@@ -0,0 +1,52 @@
+import base64
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import StreamingResponse
+from core.api_gateway import forward_to_api_gateway
+from typing import Any, List
+from io import BytesIO
+
+router = APIRouter(
+    tags=["APIGateway - Crystal Reports"]
+)
+
+
+@router.get("/api/apigateway/reports")
+async def list_reports():
+    resp = forward_to_api_gateway(
+        method="GET",
+        endpoint="rs/v1/LoadAuthorizedCRList"
+    )
+    data = resp.json()
+    if isinstance(data, list):
+        return data
+    if isinstance(data, dict):
+        return data.get("value", data.get("AuthorizedCRList", [data]))
+    return []
+
+
+@router.get("/api/apigateway/reports/{docCode}/parameters")
+async def get_report_parameters(docCode: str):
+    resp = forward_to_api_gateway(
+        method="GET",
+        endpoint=f"rs/v1/LoadCR",
+        params={"DocCode": docCode}
+    )
+    return resp.json()
+
+
+@router.post("/api/apigateway/reports/{docCode}/export")
+async def export_report_pdf(docCode: str, body: List[Any]):
+    resp = forward_to_api_gateway(
+        method="POST",
+        endpoint="rs/v1/ExportPDFData",
+        params={"DocCode": docCode},
+        json_data=body,
+    )
+    pdf_bytes = base64.b64decode(resp.text)
+    return StreamingResponse(
+        BytesIO(pdf_bytes),
+        media_type="application/pdf",
+        headers={
+            "Content-Disposition": f'inline; filename="{docCode}.pdf"',
+        }
+    )