feat: add Memory Gateway integration with async support for memory snapshots and user management

app-instance/backend/tests/unit/test_config_loader.py

@@ -85,6 +85,49 @@ def test_config_loader_reads_channels(tmp_path) -> None:
     assert channel.secrets == {"ignored_for_status": "secret-value"}
 
 
+def test_config_loader_reads_memory_gateway_config(tmp_path) -> None:
+    config_path = tmp_path / "config.json"
+    config_path.write_text(
+        json.dumps(
+            {
+                "memory": {
+                    "mode": "gateway",
+                    "gateway": {
+                        "baseUrl": "http://127.0.0.1:1934",
+                        "apiKey": "gateway-key",
+                        "defaultUserId": "default-user",
+                        "timeoutSeconds": 12,
+                        "snapshotSearchLimit": 7,
+                        "commitOnRunComplete": False,
+                    },
+                },
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    config = load_config(config_path=config_path)
+
+    assert config.memory.mode == "gateway"
+    assert config.memory.gateway.base_url == "http://127.0.0.1:1934"
+    assert config.memory.gateway.api_key == "gateway-key"
+    assert config.memory.gateway.default_user_id == "default-user"
+    assert config.memory.gateway.timeout_seconds == 12
+    assert config.memory.gateway.snapshot_search_limit == 7
+    assert config.memory.gateway.commit_on_run_complete is False
+
+
+def test_config_loader_defaults_to_local_memory(tmp_path) -> None:
+    config_path = tmp_path / "config.json"
+    config_path.write_text(json.dumps({}), encoding="utf-8")
+
+    config = load_config(config_path=config_path)
+
+    assert config.memory.mode == "local"
+    assert config.memory.gateway.base_url == ""
+    assert config.memory.gateway.commit_on_run_complete is True
+
+
 def test_provider_resolution_ignores_custom_and_disabled_overrides(tmp_path) -> None:
     config_path = tmp_path / "config.json"
     config_path.write_text(