refactor(config): migrate plugin config access

test/gateway.multi.e2e.test.ts

@@ -105,7 +105,7 @@ describe("gateway multi-instance e2e", () => {
       const idempotencyKey = `idem-${randomUUID()}`;
       const sendRes = await chatClient.request("chat.send", {
         sessionKey,
-        message: "/context list",
+        message: "/whoami",
         idempotencyKey,
       });
       expect(sendRes.status).toBe("started");

test/helpers/plugins/plugin-runtime-mock.ts

@@ -75,6 +75,24 @@ export function createPluginRuntimeMock(overrides: DeepPartial<PluginRuntime> =
   const base: PluginRuntime = {
     version: "1.0.0-test",
     config: {
+      current: vi.fn(() => ({})) as unknown as PluginRuntime["config"]["current"],
+      mutateConfigFile: vi.fn(async () => ({
+        path: "/tmp/openclaw.json",
+        previousHash: null,
+        snapshot: {} as never,
+        nextConfig: {},
+        afterWrite: { mode: "auto" },
+        followUp: { mode: "auto", requiresRestart: false },
+        result: undefined,
+      })) as unknown as PluginRuntime["config"]["mutateConfigFile"],
+      replaceConfigFile: vi.fn(async ({ nextConfig }) => ({
+        path: "/tmp/openclaw.json",
+        previousHash: null,
+        snapshot: {} as never,
+        nextConfig,
+        afterWrite: { mode: "auto" },
+        followUp: { mode: "auto", requiresRestart: false },
+      })) as unknown as PluginRuntime["config"]["replaceConfigFile"],
       loadConfig: vi.fn(() => ({})) as unknown as PluginRuntime["config"]["loadConfig"],
       writeConfigFile: vi.fn() as unknown as PluginRuntime["config"]["writeConfigFile"],
     },