refactor: 추천 시스템 제거

삭제된 파일:
- src/routes/recommend.ts
- src/services/recommendation.ts
- src/services/recommendation.test.ts
- src/services/stackConfig.ts
- src/services/regionFilter.ts

수정된 파일:
- src/index.ts: /recommend 라우트 제거
- src/routes/index.ts: handleRecommend export 제거
- src/constants.ts: RECOMMENDATIONS TTL, rate limit 제거
- src/middleware/rateLimit.ts: /recommend 설정 제거
- src/types.ts: 추천 관련 타입 제거
- scripts/e2e-tester.ts: recommend 시나리오 제거
- scripts/api-tester.ts: recommend 테스트 제거

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/api-tester.ts

@@ -281,38 +281,6 @@ function validateSyncResponse(data: unknown): boolean | string {
   return true;
 }
 
-function validateRecommendResponse(data: unknown): boolean | string {
-  if (typeof data !== 'object' || data === null) {
-    return 'Response is not an object';
-  }
-
-  const response = data as Record<string, unknown>;
-
-  if (!response.success) {
-    return 'Response success field is false or missing';
-  }
-
-  if (!response.data || typeof response.data !== 'object') {
-    return 'Missing or invalid data field';
-  }
-
-  const responseData = response.data as Record<string, unknown>;
-
-  if (!Array.isArray(responseData.recommendations)) {
-    return 'Missing or invalid recommendations array';
-  }
-
-  if (!responseData.requirements || typeof responseData.requirements !== 'object') {
-    return 'Missing or invalid requirements field';
-  }
-
-  if (!responseData.metadata || typeof responseData.metadata !== 'object') {
-    return 'Missing or invalid metadata field';
-  }
-
-  return true;
-}
-
 // ============================================================
 // Test Suites
 // ============================================================
@@ -484,95 +452,6 @@ async function testSyncEndpoint(): Promise<TestResult[]> {
   return tests;
 }
 
-async function testRecommendEndpoint(): Promise<TestResult[]> {
-  console.log(color('\n📍 Testing /recommend', colors.cyan));
-
-  const tests: TestResult[] = [];
-
-  // Test basic recommendation
-  tests.push(
-    await testWithDelay('POST /recommend (nginx+mysql)', '/recommend', {
-      method: 'POST',
-      headers: { 'X-API-Key': API_KEY },
-      body: {
-        stack: ['nginx', 'mysql'],
-        scale: 'small',
-      },
-      expectStatus: 200,
-      validateResponse: validateRecommendResponse,
-    })
-  );
-
-  // Test with budget constraint
-  tests.push(
-    await testWithDelay('POST /recommend (with budget)', '/recommend', {
-      method: 'POST',
-      headers: { 'X-API-Key': API_KEY },
-      body: {
-        stack: ['nginx', 'mysql', 'redis'],
-        scale: 'medium',
-        budget_max: 100,
-      },
-      expectStatus: 200,
-      validateResponse: validateRecommendResponse,
-    })
-  );
-
-  // Test large scale
-  tests.push(
-    await testWithDelay('POST /recommend (large scale)', '/recommend', {
-      method: 'POST',
-      headers: { 'X-API-Key': API_KEY },
-      body: {
-        stack: ['nginx', 'nodejs', 'postgresql', 'redis'],
-        scale: 'large',
-      },
-      expectStatus: 200,
-      validateResponse: validateRecommendResponse,
-    })
-  );
-
-  // Test invalid stack (should fail with 400)
-  tests.push(
-    await testWithDelay('POST /recommend (invalid stack - error)', '/recommend', {
-      method: 'POST',
-      headers: { 'X-API-Key': API_KEY },
-      body: {
-        stack: ['invalid-technology'],
-        scale: 'small',
-      },
-      expectStatus: 400, // Invalid stack returns 400 Bad Request
-    })
-  );
-
-  // Test invalid scale (should fail with 400)
-  tests.push(
-    await testWithDelay('POST /recommend (invalid scale - error)', '/recommend', {
-      method: 'POST',
-      headers: { 'X-API-Key': API_KEY },
-      body: {
-        stack: ['nginx'],
-        scale: 'invalid',
-      },
-      expectStatus: 400, // Invalid scale returns 400 Bad Request
-    })
-  );
-
-  // Test without auth (should fail)
-  tests.push(
-    await testWithDelay('POST /recommend (no auth - error)', '/recommend', {
-      method: 'POST',
-      body: {
-        stack: ['nginx'],
-        scale: 'small',
-      },
-      expectStatus: 401,
-    })
-  );
-
-  return tests;
-}
-
 // ============================================================
 // Test Runner
 // ============================================================
@@ -639,12 +518,6 @@ async function runTests(): Promise<TestReport> {
     allResults.push(...syncResults);
   }
 
-  if (!TARGET_ENDPOINT || TARGET_ENDPOINT === '/recommend') {
-    const recommendResults = await testRecommendEndpoint();
-    recommendResults.forEach(printTestResult);
-    allResults.push(...recommendResults);
-  }
-
   const duration = Date.now() - startTime;
   const passed = allResults.filter(r => r.passed).length;
   const failed = allResults.filter(r => !r.passed).length;