feat: unify plugin workspace navigation

tests/unit/plugin-workspace-query.test.ts

@@ -0,0 +1,44 @@
+import { describe, expect, it } from 'vitest';
+import {
+  parsePluginWorkspaceSearch,
+  serializePluginWorkspaceSearch,
+} from '@/pages/Plugins/plugin-workspace-query';
+
+describe('plugin workspace URL state', () => {
+  it('uses the hydrated project presence for a bare route default', () => {
+    expect(parsePluginWorkspaceSearch(new URLSearchParams(), true)).toEqual({
+      scope: 'project', source: 'all', state: 'all', search: '', selectedKey: null,
+    });
+    expect(parsePluginWorkspaceSearch(new URLSearchParams(), false)).toEqual({
+      scope: 'all', source: 'all', state: 'all', search: '', selectedKey: null,
+    });
+  });
+
+  it('normalizes unknown values and a project scope without a project', () => {
+    const params = new URLSearchParams('scope=unknown&source=remote&state=broken&q=%20notes%20&plugin=notes');
+    expect(parsePluginWorkspaceSearch(params, true)).toEqual({
+      scope: 'project', source: 'all', state: 'all', search: 'notes', selectedKey: null,
+    });
+    expect(parsePluginWorkspaceSearch(new URLSearchParams('scope=project'), false).scope).toBe('all');
+  });
+
+  it('round-trips canonical filters and source-qualified selection', () => {
+    const serialized = serializePluginWorkspaceSearch({
+      scope: 'all',
+      source: 'local',
+      state: 'enabled',
+      search: ' web search ',
+      selectedKey: 'local:makelore_web_search',
+    });
+    expect(serialized.toString()).toBe(
+      'scope=all&source=local&state=enabled&q=web+search&plugin=local%3Amakelore_web_search',
+    );
+    expect(parsePluginWorkspaceSearch(serialized, true)).toEqual({
+      scope: 'all',
+      source: 'local',
+      state: 'enabled',
+      search: 'web search',
+      selectedKey: 'local:makelore_web_search',
+    });
+  });
+});