Remove avconnect_macro_id field from user response schema for /api/gates

src/core/schemas.py

@@ -66,6 +66,7 @@ def keypass_to_response(kp: Keypass) -> KeypassResponse:
 # ── Gates ─────────────────────────────────────────────────────────────────────
 
 class GateResponse(BaseModel):
+    """Full gate response — admin use only."""
     model_config = ConfigDict(from_attributes=True)
     id: int
     name: str
@@ -75,6 +76,15 @@ class GateResponse(BaseModel):
     group_name: Optional[str] = None
 
 
+class GatePublicResponse(BaseModel):
+    """Gate response for keypass users — no internal fields."""
+    model_config = ConfigDict(from_attributes=True)
+    id: int
+    name: str
+    gate_type: str
+    group_name: Optional[str] = None
+
+
 class GateCreate(BaseModel):
     name: str
     gate_type: str   # 'car' | 'pedestrian'