Fix Desktop boot failure from unconditional settings.plugin.item inject.

Always register settings.section; mount the Web plugins card only after configForms attaches. Harden snapshot store init (0.2.4).

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/client.browser.js

@@ -500,12 +500,19 @@ window.__ModuleLoader__.load({
 					this.secretStateReady = false;
 					this.legacySecretIds = new Set();
 					this.credentialStates = {};
-					this.store = (0, _deepseek_ai_dsh_client_runtime_client.createSnapshotStore)(this.project());
+					try {
+						this.store = (0, _deepseek_ai_dsh_client_runtime_client.createSnapshotStore)(this.project());
+					} catch {
+						this.store = createSnapshotStoreFallback(this.project());
+					}
+					if (!this.store || typeof this.store.set !== "function") {
+						this.store = createSnapshotStoreFallback(this.project());
+					}
 					scope.subscribe(() => {
 						if (this.draft === null) this.publish();
-						this.readSecretState();
+						void this.readSecretState();
 					});
-					this.readSecretState();
+					void this.readSecretState().catch(() => {});
 				}
 				section() {
 					return this.scope.getSnapshot();
@@ -611,6 +618,7 @@ window.__ModuleLoader__.load({
 				};
 			}
 			publish() {
+				if (!this.store || typeof this.store.set !== "function") return;
 				this.store.set(this.project());
 			}
 			actions() {
@@ -1252,7 +1260,13 @@ window.__ModuleLoader__.load({
 
 			const deferred = createDeferredScope(createMemoryScope(MEMORY_DEFAULTS));
 			const remote = resolveRemote(ctx);
-			const controller = new SearchMcpCardController(deferred, remote, noopDescribeFace());
+			let controller;
+			try {
+				controller = new SearchMcpCardController(deferred, remote, noopDescribeFace());
+			} catch (error) {
+				ctx.logger?.error?.("dsh-search-mcp: controller init failed: %s", error);
+				return;
+			}
 			let pluginsItemId;
 			let pluginCardMounted = false;
 
@@ -1280,7 +1294,12 @@ window.__ModuleLoader__.load({
 				ctx.logger?.warn?.("dsh-search-mcp: settings.section unavailable: %s", error);
 			}
 
-			/** Web Plugins → 插件配置 card (also useful on some Desktop builds). */
+			/**
+			 * Web Plugins → 插件配置 card. Do NOT register this unconditionally:
+			 * Desktop 0.2 may lack `settings.plugin.item`, and injecting a missing
+			 * slot fails the whole client fiber (web boot: dsh-search-mcp: failed).
+			 * Mount only after configForms / settingsScope attaches (web path).
+			 */
 			const mountPluginCard = () => {
 				if (pluginCardMounted) return;
 				pluginCardMounted = true;
@@ -1298,7 +1317,6 @@ window.__ModuleLoader__.load({
 					ctx.logger?.warn?.("dsh-search-mcp: settings.plugin.item unavailable: %s", error);
 				}
 			};
-			mountPluginCard();
 
 			const registerPluginsItem = (id) => {
 				if (pluginsItemId === id) return () => {};
@@ -1336,7 +1354,9 @@ window.__ModuleLoader__.load({
 			const attachForm = (hit, source) => {
 				ctx.logger?.info?.("dsh-search-mcp: attach form via %s (%s)", source, hit.ns);
 				deferred.attach(hit.scope);
-				return registerPluginsItem(hit.ns);
+				mountPluginCard();
+				const offPlugins = registerPluginsItem(hit.ns);
+				return () => { offPlugins(); };
 			};
 
 			// DSH ≥0.1.7 / 0.2.0 — configForms (persist + plugins.item).

lib/index.js

@@ -93,8 +93,15 @@ export function apply(ctx, config) {
       onChange: () => {},
     };
     if (typeof settings?.installSection === 'function') {
-      settings.installSection(ctx, SEARCH_MCP_SETTINGS_NAMESPACE, Config, config, hooks);
-      return;
+      try {
+        settings.installSection(ctx, SEARCH_MCP_SETTINGS_NAMESPACE, Config, config, hooks);
+        return;
+      } catch (error) {
+        settingsCtx.logger?.warn?.(
+          'dsh-search-mcp: installSection failed (will try register/describe): %s',
+          error instanceof Error ? error.message : error,
+        );
+      }
     }
     // ≤0.1.5 / some Desktop builds: explicit namespace registration.
     // ≥0.1.7: Config is projected from the Loader entry — register may be

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dsh-search-mcp",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "Replace dsh's built-in web search with search MCP servers (Tavily / Brave / Exa / Perplexity / DuckDuckGo / custom), configured from the web Settings page. When this plugin is enabled the built-in DeepSeek search provider is disabled.",
   "type": "module",
   "main": "lib/index.js",

test/compatibility.test.js

@@ -12,7 +12,7 @@ test('package exports resolve and peerDependencies stay open', async () => {
   assert.equal(pkg.exports['.'], './lib/index.js');
   assert.equal(pkg.exports['./client'], './lib/client.browser.js');
   assert.equal(pkg.engines.node, '>=20');
-  assert.equal(pkg.version, '0.2.3');
+  assert.equal(pkg.version, '0.2.4');
 
   for (const name of [
     '@deepseek-ai/dsh-api-remotes',