diff --git a/packages/app/src/__tests__/seed-conversations.test.ts b/packages/app/src/__tests__/seed-conversations.test.ts
new file mode 100644
index 00000000..dfac64ea
--- /dev/null
+++ b/packages/app/src/__tests__/seed-conversations.test.ts
@@ -0,0 +1,59 @@
+/**
+ * Seed Conversation Regression Tests
+ *
+ * Ensures each seed conversation produces at least the expected content types
+ * when run through the content extraction pipeline. This is a quick smoke test
+ * that verifies the extraction pipeline hasn't regressed.
+ */
+import { describe, it, expect } from 'vitest'
+import { seedPrompts } from './fixtures/seedPrompts'
+import {
+  extractAllFilms,
+  extractAllSongs,
+  extractAllPodcasts,
+  extractAllBooks,
+  extractAllTVSeries,
+  extractAllPlaces,
+  extractAllImages,
+  extractCodeBlocks,
+  extractRecipes,
+  extractEvents,
+  stripContentTags,
+} from '@/composables/contentExtraction'
+
+describe('Seed conversation regression', () => {
+  for (const seed of seedPrompts) {
+    it(`[${seed.id}] produces expected content types for "${seed.userQuery.slice(0, 50)}"`, () => {
+      const text = seed.assistantResponse
+      const query = seed.userQuery
+
+      // Run all extractors
+      const films = extractAllFilms(text)
+      const songs = extractAllSongs(text, query)
+      const podcasts = extractAllPodcasts(text)
+      const books = extractAllBooks(text, query)
+      const tvSeries = extractAllTVSeries(text, query)
+      const places = extractAllPlaces(text, query)
+      const images = extractAllImages(text, query)
+      const codeBlocks = extractCodeBlocks(text)
+      const recipes = extractRecipes(text)
+      const events = extractEvents(text)
+
+      // Validate expected counts match
+      if (seed.expected.films !== undefined) expect(films.length).toBe(seed.expected.films)
+      if (seed.expected.songs !== undefined) expect(songs.length).toBe(seed.expected.songs)
+      if (seed.expected.podcasts !== undefined) expect(podcasts.length).toBe(seed.expected.podcasts)
+      if (seed.expected.books !== undefined) expect(books.length).toBe(seed.expected.books)
+      if (seed.expected.tvSeries !== undefined) expect(tvSeries.length).toBe(seed.expected.tvSeries)
+      if (seed.expected.places !== undefined) expect(places.length).toBe(seed.expected.places)
+      if (seed.expected.images !== undefined) expect(images.length).toBe(seed.expected.images)
+      if (seed.expected.codeBlocks !== undefined) expect(codeBlocks.length).toBe(seed.expected.codeBlocks)
+      if (seed.expected.recipes !== undefined) expect(recipes.length).toBe(seed.expected.recipes)
+      if (seed.expected.events !== undefined) expect(events.length).toBe(seed.expected.events)
+
+      // Verify stripping leaves no tags
+      const stripped = stripContentTags(text)
+      expect(stripped).not.toMatch(/\[\[[^\]]+\]\]/)
+    })
+  }
+})