feat: integrate marketplace plugins with coding runtime

tests/unit/coding-product-services.test.ts

@@ -19,6 +19,7 @@ import {
   createCodingProjectMetadata,
 } from '../../electron/coding-projects/project-config';
 import { PiProductTools } from '../../electron/coding-runtime/pi/product-tools';
+import { DATA_SERVICE_PLUGIN_DEFINITION } from '../../shared/coding-plugins';
 
 const roots: string[] = [];
 const conversationId = '11111111-1111-4111-8111-111111111111';
@@ -179,6 +180,43 @@ describe('PI-105 product Host composition', () => {
     );
   });
 
+  it('keeps a resolver-disabled assignment visible without passing it to worker resources', async () => {
+    const root = await configuredProject(['data-service']);
+    const tools = productTools(root, true);
+    const effectiveResolver = {
+      resolve: vi.fn(async () => ({
+        accountSessionId: 'account-a\u00001',
+        projectId: 'project-a',
+        pluginReleaseIds: [],
+        effectiveSkillIds: [],
+        skillEntries: [],
+        toolDefinitions: [],
+        runtimePolicies: [],
+        unavailableReasons: [{
+          pluginId: DATA_SERVICE_PLUGIN_DEFINITION.id,
+          code: 'project_disabled' as const,
+          message: 'Plugin is not enabled for this project',
+        }],
+      })),
+      getSkillSources: vi.fn(async () => []),
+      getPolicyState: vi.fn(() => ({
+        status: 'current' as const, catalog: null, revision: 1, lastVerifiedAt: 1,
+      })),
+    };
+    const host = createCodingProductHost({
+      projects: projectService(root),
+      productTools: tools,
+      effectiveResolver,
+    });
+
+    await expect(host.listSkills('builder')).resolves.toContainEqual(expect.objectContaining({
+      id: 'data-service', selected: true, available: false, effective: false,
+    }));
+    expect(effectiveResolver.resolve).toHaveBeenCalledWith(expect.objectContaining({
+      assignedSkillIds: ['data-service'], role: 'parent',
+    }));
+  });
+
   it('reads exact-run changes from the same PiProductTools tracker instance', async () => {
     const root = await configuredProject();
     await writeFile(path.join(root, 'notes.txt'), 'baseline\n', 'utf8');