fix: roll back plugin index on config write conflicts

src/cli/plugins-cli.uninstall.test.ts

@@ -6,6 +6,7 @@ import {
   loadConfig,
   promptYesNo,
   refreshPluginRegistry,
+  replaceConfigFile,
   resetPluginsCliTestState,
   runPluginsCommand,
   runtimeErrors,
@@ -122,6 +123,62 @@ describe("plugins cli uninstall", () => {
     });
   });
 
+  it("restores install records when the config write rejects during uninstall", async () => {
+    const installRecords = {
+      alpha: {
+        source: "path",
+        sourcePath: ALPHA_INSTALL_PATH,
+        installPath: ALPHA_INSTALL_PATH,
+      },
+    } as const;
+    const baseConfig = {
+      plugins: {
+        entries: {
+          alpha: { enabled: true },
+        },
+        installs: installRecords,
+      },
+    } as OpenClawConfig;
+    const nextConfig = {
+      plugins: {
+        entries: {},
+        installs: {},
+      },
+    } as OpenClawConfig;
+
+    loadConfig.mockReturnValue(baseConfig);
+    setInstalledPluginIndexInstallRecords(installRecords);
+    buildPluginDiagnosticsReport.mockReturnValue({
+      plugins: [{ id: "alpha", name: "alpha" }],
+      diagnostics: [],
+    });
+    uninstallPlugin.mockResolvedValue({
+      ok: true,
+      config: nextConfig,
+      warnings: [],
+      actions: {
+        entry: true,
+        install: true,
+        allowlist: false,
+        loadPath: false,
+        memorySlot: false,
+        directory: false,
+      },
+    });
+    replaceConfigFile.mockRejectedValueOnce(new Error("config changed"));
+
+    await expect(
+      runPluginsCommand(["plugins", "uninstall", "alpha", "--force", "--keep-files"]),
+    ).rejects.toThrow("config changed");
+
+    expect(writePersistedInstalledPluginIndexInstallRecords).toHaveBeenNthCalledWith(1, {});
+    expect(writePersistedInstalledPluginIndexInstallRecords).toHaveBeenNthCalledWith(
+      2,
+      installRecords,
+    );
+    expect(refreshPluginRegistry).not.toHaveBeenCalled();
+  });
+
   it("exits when uninstall target is not managed by plugin install records", async () => {
     loadConfig.mockReturnValue({
       plugins: {