feat: 添加 skill learning 技能学习闭环系统

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/builtin-tools/src/tools/DiscoverSkillsTool/__tests__/DiscoverSkillsTool.test.ts

@@ -0,0 +1,54 @@
+import { describe, test, expect } from 'bun:test'
+import { DISCOVER_SKILLS_TOOL_NAME } from '../prompt.js'
+
+describe('DiscoverSkillsTool', () => {
+  test('DISCOVER_SKILLS_TOOL_NAME is not empty', () => {
+    expect(DISCOVER_SKILLS_TOOL_NAME).toBe('DiscoverSkills')
+    expect(DISCOVER_SKILLS_TOOL_NAME.length).toBeGreaterThan(0)
+  })
+
+  test('tool exports are functions', async () => {
+    const { DiscoverSkillsTool } = await import('../DiscoverSkillsTool.js')
+    expect(DiscoverSkillsTool).toBeDefined()
+    expect(DiscoverSkillsTool.name).toBe('DiscoverSkills')
+    expect(typeof DiscoverSkillsTool.call).toBe('function')
+  })
+
+  test('tool has correct metadata', async () => {
+    const { DiscoverSkillsTool } = await import('../DiscoverSkillsTool.js')
+    expect(await DiscoverSkillsTool.description()).toContain('skill')
+    expect(DiscoverSkillsTool.userFacingName()).toBe('Discover Skills')
+    expect(DiscoverSkillsTool.isReadOnly()).toBe(true)
+    expect(DiscoverSkillsTool.isConcurrencySafe()).toBe(true)
+  })
+
+  test('renderToolUseMessage formats input', async () => {
+    const { DiscoverSkillsTool } = await import('../DiscoverSkillsTool.js')
+    const msg = DiscoverSkillsTool.renderToolUseMessage({
+      description: 'deploy to cloudflare',
+    })
+    expect(msg).toContain('deploy to cloudflare')
+  })
+
+  test('mapToolResultToToolResultBlockParam formats empty results', async () => {
+    const { DiscoverSkillsTool } = await import('../DiscoverSkillsTool.js')
+    const result = DiscoverSkillsTool.mapToolResultToToolResultBlockParam(
+      { results: [], count: 0 },
+      'test-id',
+    )
+    expect(result.content).toContain('No matching skills')
+  })
+
+  test('mapToolResultToToolResultBlockParam formats results', async () => {
+    const { DiscoverSkillsTool } = await import('../DiscoverSkillsTool.js')
+    const result = DiscoverSkillsTool.mapToolResultToToolResultBlockParam(
+      {
+        results: [{ name: 'test-skill', description: 'A test skill', score: 0.85 }],
+        count: 1,
+      },
+      'test-id',
+    )
+    expect(result.content).toContain('test-skill')
+    expect(result.content).toContain('0.85')
+  })
+})