list.json: keywords ins Light-Meta aufnehmen

Additiv und rückwärtskompatibel: Konsumenten der list.json können damit
nach Keywords filtern, ohne jedes entry.json zu laden (z.B. der
Zwei-Quellen-Blog der agentic.schule).

Author: JohannesHoppe

blog/blog.types.ts

@@ -13,6 +13,9 @@ export interface BlogEntryMeta {
   mail: string;
   published: string;
   language: string;
+  /** Frontmatter-Keywords — im Light-Meta enthalten, damit Konsumenten
+   *  (z.B. Zwei-Quellen-Merge der agentic.schule) ohne entry.json filtern können. */
+  keywords?: string[];
   sticky?: boolean;
   header?: ImageDimensions & { url: string };
   // Optional fields (only included if present)

blog/blog.utils.spec.ts

@@ -92,11 +92,13 @@ describe('makeLightBlogList', () => {
     expect(meta.language).toBe('de');
     expect(meta.header).toEqual({ url: 'img.jpg', width: 100, height: 50 });
     expect(meta.sticky).toBe(true);
+    // keywords ARE included in the light version — consumers (e.g. the
+    // agentic.schule two-source blog) filter the list without entry.json
+    expect(meta.keywords).toEqual(['angular', 'test']);
 
     // These should NOT be included in light version
     expect(Object.hasOwn(meta, 'hidden')).toBe(false);
     expect(Object.hasOwn(meta, 'darkenHeader')).toBe(false);
-    expect(Object.hasOwn(meta, 'keywords')).toBe(false);
     expect(Object.hasOwn(meta, 'bio')).toBe(false);
     expect(Object.hasOwn(meta, 'bioHeading')).toBe(false);
     expect(Object.hasOwn(meta, 'bio2')).toBe(false);

blog/blog.utils.ts

@@ -18,6 +18,7 @@ export function makeLightBlogList(fullList: BlogEntryFull[]): BlogEntry[] {
         },
       };
 
+      if (entry.meta.keywords?.length) { result.meta.keywords = entry.meta.keywords; }
       if (entry.meta.sticky) { result.meta.sticky = entry.meta.sticky; }
       if (entry.meta.author2) { result.meta.author2 = entry.meta.author2; }
       if (entry.meta.mail2) { result.meta.mail2 = entry.meta.mail2; }