debug: add /debug-fb/recepcion diagnostic endpoint

Shows recent recepciones without filters, CURRENT_DATE from Firebird,
and counts with/without NUM_FACTURA filter to diagnose zero-result sync.

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

app/routes/debug_fb.py

@@ -8,6 +8,58 @@ from app.services.firebird_service import get_firebird_from_config
 router = APIRouter(prefix="/debug-fb", tags=["debug"])
 
 
+@router.get("/recepcion")
+async def debug_recepcion(user: dict = Depends(get_current_user)):
+    """Diagnóstico: qué hay en RECEPCION hoy sin filtros restrictivos."""
+    try:
+        conn = get_connection()
+        cfg = {r["key"]: r["value"] for r in conn.execute("SELECT * FROM config").fetchall()}
+        conn.close()
+
+        fb, ok, msg = get_firebird_from_config(cfg)
+        if not ok:
+            return JSONResponse({"error": msg})
+
+        result = {}
+
+        # Últimas 5 recepciones sin ningún filtro
+        ok1, _, rows1 = fb.execute_query(
+            "SELECT FIRST 5 r.IDRECEPCION, r.FECHA_RECEPCION, r.HORAINICIORECEPCION, "
+            "r.NUM_FACTURA, r.COD_PACIENTE "
+            "FROM RECEPCION r ORDER BY r.IDRECEPCION DESC", None
+        )
+        result["ultimas_5_sin_filtro"] = list(rows1) if ok1 and rows1 else f"error: {rows1}"
+
+        # Fecha actual en Firebird
+        ok2, _, rows2 = fb.execute_query("SELECT CURRENT_DATE AS FH FROM RDB$DATABASE", None)
+        result["current_date_firebird"] = rows2[0] if ok2 and rows2 else "error"
+
+        # Cuántas recepciones de hoy (CURRENT_DATE) sin filtro NUM_FACTURA
+        ok3, _, rows3 = fb.execute_query(
+            "SELECT COUNT(*) AS CNT FROM RECEPCION r WHERE r.FECHA_RECEPCION = CURRENT_DATE", None
+        )
+        result["hoy_sin_filtro_factura"] = rows3[0] if ok3 and rows3 else "error"
+
+        # Cuántas con NUM_FACTURA > 0
+        ok4, _, rows4 = fb.execute_query(
+            "SELECT COUNT(*) AS CNT FROM RECEPCION r "
+            "WHERE r.FECHA_RECEPCION = CURRENT_DATE AND r.NUM_FACTURA > 0", None
+        )
+        result["hoy_con_factura"] = rows4[0] if ok4 and rows4 else "error"
+
+        # Distintas fechas recientes en la tabla
+        ok5, _, rows5 = fb.execute_query(
+            "SELECT FIRST 5 DISTINCT r.FECHA_RECEPCION FROM RECEPCION r "
+            "ORDER BY r.FECHA_RECEPCION DESC", None
+        )
+        result["fechas_recientes"] = list(rows5) if ok5 and rows5 else "error"
+
+        fb.disconnect()
+        return JSONResponse(result)
+    except Exception:
+        return JSONResponse({"traceback": traceback.format_exc()})
+
+
 @router.get("/cups")
 async def find_cups(request: Request, user: dict = Depends(get_current_user)):
     try: