feat: integrate MinIO-backed user filesystem

authz-service/src/app/models.py

@@ -77,6 +77,24 @@ class OutlookSettings(BaseModel):
         return data
 
 
+class MinIOSettings(BaseModel):
+    configured: bool = True
+    endpoint: str
+    access_key: str
+    secret_key: str
+    bucket: str | None = None
+    namespace: str | None = None
+    secure: bool = False
+    region: str | None = None
+    updated_at: str = Field(default_factory=utcnow_iso)
+
+    def masked_dict(self) -> dict[str, Any]:
+        data = self.model_dump()
+        data.pop("secret_key", None)
+        data["secret_key_masked"] = True
+        return data
+
+
 class BackendRoutingPayload(BaseModel):
     name: str | None = None
     backend_id: str | None = None