fix: filter external sources from ClawHub search results

src/server/__tests__/market-providers.test.ts

@@ -96,6 +96,34 @@ describe('clawhubProvider', () => {
     expect(page.items[0]!.author.handle.length).toBeGreaterThan(0)
   })
 
+  it('filters aggregated external search results before applying the limit', async () => {
+    stubFetch(() => ({ body: JSON.stringify({ results: [
+      { slug: 'typesafe-ai', source: 'skills-sh', install: { kind: 'skills-sh' } },
+      { slug: 'external', source: 'other-registry' },
+      { slug: 'external-install', install: { kind: 'skills-sh' } },
+      { slug: 'oo-typesafe-ai', source: 'clawhub', install: { kind: 'clawhub' } },
+      { slug: 'legacy-native' },
+    ] }) }))
+
+    const page = await clawhubProvider.search({ q: 'typesafe', limit: 2 })
+
+    expect(page.items.map((item) => item.id)).toEqual([
+      'clawhub:oo-typesafe-ai',
+      'clawhub:legacy-native',
+    ])
+    expect(page.nextCursor).toBeUndefined()
+  })
+
+  it('returns no installable entries when search only contains external sources', async () => {
+    stubFetch(() => ({ body: JSON.stringify({ results: [
+      { slug: 'typesafe-ai', source: 'skills-sh', install: { kind: 'skills-sh' } },
+    ] }) }))
+
+    const page = await clawhubProvider.search({ q: 'typesafe', limit: 24 })
+
+    expect(page.items).toEqual([])
+  })
+
   it('builds detail with files, license and security from the version endpoint', async () => {
     const detailBody = await fixture('clawhub-detail.json')
     const versionBody = await fixture('clawhub-version-detail.json')

src/server/services/market/clawhubProvider.ts

@@ -45,6 +45,8 @@ type ClawhubListItem = {
 
 type ClawhubSearchResult = {
   slug: string
+  source?: string
+  install?: { kind?: string }
   displayName?: string
   summary?: string
   downloads?: number
@@ -206,8 +208,13 @@ export const clawhubProvider: MarketProvider = {
     if (!Array.isArray(data.results)) {
       throw new MarketUpstreamError('clawhub', MARKET_ERROR_CODES.upstreamBadResponse, 'clawhub search missing results')
     }
-    // ClawHub search has no pagination — cap and mark exhausted.
-    return { items: data.results.filter((r) => r?.slug).slice(0, limit).map(normalizeSearchResult) }
+    // Search also aggregates external registries, which cannot use ClawHub's
+    // detail/file endpoints. Older native results omit source/install metadata.
+    // Filter before capping so external results do not consume native slots.
+    const nativeResults = data.results.filter((result) => result?.slug
+      && (result.source === undefined || result.source === 'clawhub')
+      && (result.install?.kind === undefined || result.install.kind === 'clawhub'))
+    return { items: nativeResults.slice(0, limit).map(normalizeSearchResult) }
   },
 
   async detail(slug): Promise<NormalizedSkillDetail> {