Add MovieRecommenderTool and MovieSearchTool

test/app/tools/MovieRecommenderTool.test.ts

@@ -0,0 +1,60 @@
+import { describe, expect, it } from 'vitest';
+import { MovieRecommenderTool } from '../../../src/app/tools/MovieRecommenderTool';
+import type { RunContext } from '../../../src/core/llm/RunContext';
+import type { Movie } from '../../../src/app/models';
+
+function makeTool() {
+  return new MovieRecommenderTool(
+    {} as unknown as ConstructorParameters<typeof MovieRecommenderTool>[0],
+    {} as unknown as ConstructorParameters<typeof MovieRecommenderTool>[1]
+  ) as unknown as {
+    buildVariables(input: unknown, ctx: RunContext): Record<string, unknown>;
+    parseOutput(raw: string, ctx: RunContext): unknown;
+  };
+}
+
+const movie = (name: string, year: number): Movie => ({
+  name,
+  year,
+  imdbId: '',
+  tmdbId: '',
+  genres: [],
+  communityRating: 0,
+  isFavorite: false,
+  playCount: 0,
+});
+
+describe('MovieRecommenderTool.buildVariables', () => {
+  it('formats favorites/watched/library/previouslySuggested as readable lists', () => {
+    const tool = makeTool();
+    const variables = tool.buildVariables(
+      {
+        favorites: [movie('Dune', 2021)],
+        watched: [],
+        library: [movie('Arrival', 2016)],
+        previouslySuggested: [],
+        count: 5,
+      },
+      {} as RunContext
+    );
+
+    expect(variables).toEqual({
+      count: 5,
+      favorites: '- Dune (2021)',
+      watched: '(none)',
+      library: '- Arrival (2016)',
+      previouslySuggested: '(none)',
+    });
+  });
+});
+
+describe('MovieRecommenderTool.parseOutput', () => {
+  it('validates suggestions against the movie suggestion schema', () => {
+    const tool = makeTool();
+    const result = tool.parseOutput(
+      '[{"title":"Dune","year":2021,"reason":"sci-fi epic"}]',
+      {} as RunContext
+    );
+    expect(result).toEqual([{ title: 'Dune', year: 2021, reason: 'sci-fi epic' }]);
+  });
+});