chore(onboarding): point built-in engine announcement links to the v0.15 blog post

src/view/onboarding/BuiltinAnnouncementStep.tsx

@@ -28,18 +28,11 @@ import { InlineLink } from '../../components/InlineLink';
 const PROVIDER_ID_BUILTIN = 'builtin';
 
 /**
- * Destination for the "Learn more" link. Points at the product site today;
- * repoint to the v0.15 built-in-engine blog post once it is published.
+ * The v0.15 built-in-engine launch blog post. Shared by both links: the
+ * subtitle "v0.15" anchor and the footer "Learn more" link.
  */
-const LEARN_MORE_URL = 'https://www.thuki.app';
-
-/**
- * GitHub release page for the version that introduced the built-in engine.
- * Linked from the subtitle; the tag is not cut yet, so the page 404s until the
- * v0.15.0 release is published.
- */
-const RELEASE_TAG_URL =
-  'https://github.com/quiet-node/thuki/releases/tag/v0.15.0';
+const BLOG_POST_URL =
+  'https://www.thuki.app/blog/thuki-built-in-local-ai-engine';
 
 /** Hugging Face home, opened from the "Total AI model freedom" point. */
 const HUGGING_FACE_URL = 'https://huggingface.co';
@@ -174,8 +167,8 @@ export function BuiltinAnnouncementStep() {
         >
           Since{' '}
           <InlineLink
-            url={RELEASE_TAG_URL}
-            ariaLabel="View the v0.15 release on GitHub"
+            url={BLOG_POST_URL}
+            ariaLabel="Read about the v0.15 built-in engine"
             style={{ fontWeight: 600 }}
           >
             v0.15
@@ -286,7 +279,7 @@ export function BuiltinAnnouncementStep() {
         >
           Added in v0.15 &middot;{' '}
           <InlineLink
-            url={LEARN_MORE_URL}
+            url={BLOG_POST_URL}
             ariaLabel="Learn more about the built-in engine"
           >
             Learn more ↗

src/view/onboarding/__tests__/BuiltinAnnouncementStep.test.tsx

@@ -9,26 +9,30 @@ describe('BuiltinAnnouncementStep', () => {
     invoke.mockResolvedValue(undefined);
   });
 
-  it('renders the version pill, title and subtitle with the release link', () => {
+  it('renders the version pill, title and subtitle with the blog link', () => {
     render(<BuiltinAnnouncementStep />);
     expect(screen.getByText('NEW')).toBeInTheDocument();
     expect(screen.getByText('Local AI, now built in')).toBeInTheDocument();
-    // The subtitle text is split by the embedded "v0.15" release link.
+    // The subtitle text is split by the embedded "v0.15" blog link.
     expect(
       screen.getByText(/ships its own inference engine/),
     ).toBeInTheDocument();
     expect(
-      screen.getByRole('button', { name: 'View the v0.15 release on GitHub' }),
+      screen.getByRole('button', {
+        name: 'Read about the v0.15 built-in engine',
+      }),
     ).toBeInTheDocument();
   });
 
-  it('opens the v0.15 release on GitHub from the subtitle link', () => {
+  it('opens the blog post from the subtitle v0.15 link', () => {
     render(<BuiltinAnnouncementStep />);
     fireEvent.click(
-      screen.getByRole('button', { name: 'View the v0.15 release on GitHub' }),
+      screen.getByRole('button', {
+        name: 'Read about the v0.15 built-in engine',
+      }),
     );
     expect(invoke).toHaveBeenCalledWith('open_url', {
-      url: 'https://github.com/quiet-node/thuki/releases/tag/v0.15.0',
+      url: 'https://www.thuki.app/blog/thuki-built-in-local-ai-engine',
     });
   });
 
@@ -137,7 +141,7 @@ describe('BuiltinAnnouncementStep', () => {
     );
 
     expect(invoke).toHaveBeenCalledWith('open_url', {
-      url: 'https://www.thuki.app',
+      url: 'https://www.thuki.app/blog/thuki-built-in-local-ai-engine',
     });
   });