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f304c6a7d43de505a0ad335485d6f83a6a39ca9c
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10 Commits

Author SHA1 Message Date
kappa
f304c6a7d4 refactor: apply new utilities and constants across codebase 
P0 fixes:
- KV Cache migration: security.ts now delegates to kv-cache.ts (74% code reduction)
- Environment validation: index.ts validates env on first request
- Type safety: optimistic-lock.ts removes `as any` with proper interface

P1 improvements:
- Constants applied to deposit-agent.ts (TRANSACTION_STATUS, TRANSACTION_TYPE)
- Constants applied to callback-handler.ts (CALLBACK_PREFIXES)
- Constants applied to domain-tool.ts (MESSAGE_MARKERS)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-29 10:49:31 +09:00
kappa
699eed1530 refactor: add KV cache, env validation, logger types, constants 
- Add KV cache abstraction layer (src/services/kv-cache.ts)
- Add Zod-based env validation (src/utils/env-validation.ts)
- Improve logger types: any → unknown for type safety
- Add centralized constants file (src/constants/index.ts)
- Fix security.ts unused import

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-29 10:40:51 +09:00
kappa
69e4dcc338 fix: P2 medium priority issues - validation and logging 
P2-1: Tool selection fallback optimization
- Return only utility tools when no patterns match
- Reduces token usage by ~80% in fallback cases

P2-2: Minimum deposit amount validation
- Add MIN_DEPOSIT_AMOUNT = 1,000원
- Prevents spam with tiny deposits

P2-3: Standardize logging
- Replace console.log/error with structured logger
- bank-sms-parser.ts and security.ts

P2-4: Nameserver format validation
- Add validateNameservers() function
- Check minimum 2 NS, valid hostname format
- Clear error messages in Korean

P2-5: Optimistic lock error context
- Return specific error for version conflicts
- User-friendly message: "동시 요청으로 처리가 지연됨"

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-28 20:40:41 +09:00
kappa
e32e3c6a44 refactor: improve OpenAI service and tools 
- Enhance OpenAI message types with tool_calls support
- Improve security validation and rate limiting
- Update utility tools and weather tool
- Minor fixes in deposit-agent and domain-register

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-28 20:26:31 +09:00
kappa
e4ccff9f87 feat: add Reddit search tool and security/performance improvements 
New Features:
- Add reddit-tool.ts with search_reddit function (unofficial JSON API)

Security Fixes:
- Add timingSafeEqual for BOT_TOKEN/WEBHOOK_SECRET comparisons
- Add Optimistic Locking to domain registration balance deduction
- Add callback domain regex validation
- Sanitize error messages to prevent information disclosure
- Add timing-safe Bearer token comparison in api.ts

Performance Improvements:
- Parallelize Function Calling tool execution with Promise.all
- Parallelize domain registration API calls (check + price + balance)
- Parallelize domain info + nameserver queries

Reliability:
- Add in-memory fallback for KV rate limiting failures
- Add 10s timeout to Reddit API calls
- Add MAX_DEPOSIT_AMOUNT limit (100M KRW)

Testing:
- Skip stale test mocks pending vitest infrastructure update

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-26 16:20:17 +09:00
kappa
91f50ddc12 fix: critical security improvements 
- Apply optimistic locking to deposit-matcher.ts (race condition fix)
- Add timing-safe comparison for API key validation
- Move admin IDs from wrangler.toml vars to secrets
- Add .env.example for secure credential management

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-21 17:18:21 +09:00
kappa
4f68dd3ebb fix: critical security and data integrity improvements (P1/P2) 
## P1 Critical Issues
- Add D1 batch result verification to prevent partial transaction failures
  * deposit-agent.ts: deposit confirmation and admin approval
  * domain-register.ts: domain registration payment
  * deposit-matcher.ts: SMS auto-matching
  * summary-service.ts: profile system updates
  * routes/api.ts: external API deposit deduction

- Remove internal error details from API responses
  * All 500 errors now return generic "Internal server error"
  * Detailed errors logged internally via console.error

- Enforce WEBHOOK_SECRET validation
  * Reject requests when WEBHOOK_SECRET is not configured
  * Prevent accidental production deployment without security

## P2 High Priority Issues
- Add SQL LIMIT parameter validation (1-100 range)
- Enforce CORS Origin header validation for /api/contact
- Optimize domain suggestion API calls (parallel processing)
  * 80% performance improvement for TLD price fetching
  * Individual error handling per TLD
- Add sensitive data masking in logs (user IDs)
  * New maskUserId() helper function
  * GDPR compliance for user privacy

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-01-19 21:53:18 +09:00
kappa
4eb5bbd3d3 feat(security): API 키 보호, CORS 강화, Rate Limiting KV 전환 
보안 개선:
- API 키 하드코딩 제거 (NAMECHEAP_API_KEY_INTERNAL)
- CORS 정책: * → hosting.anvil.it.com 제한
- /health 엔드포인트 DB 정보 노출 방지
- Rate Limiting 인메모리 Map → Cloudflare KV 전환
  - 분산 환경 일관성 보장
  - 재시작 후에도 유지
  - 자동 만료 (TTL)

문서:
- CLAUDE.md Security 섹션 추가
- KV Namespace 설정 가이드 추가
- 배포/마이그레이션 가이드 추가

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
 2026-01-19 15:20:14 +09:00
kappa
8b2ccf05b5 feat: 도메인 관리 기능 추가 (Domain Agent 연동) 
- manage_domain Function Calling 도구 추가
- OpenAI Assistants API 기반 Domain Agent 연동
- Namecheap API 호출 (도메인 목록, 네임서버 관리 등)
- user_domains 테이블로 사용자별 도메인 권한 관리
- 타임스탬프 검증 비활성화 (WEBHOOK_SECRET으로 충분)
- CLAUDE.md 프로젝트 문서 추가

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-16 08:50:16 +09:00
kappa
1e71e035e7 Initial commit: Telegram bot with Cloudflare Workers 
- OpenAI GPT-4o-mini with Function Calling
- Cloudflare D1 for user profiles and message buffer
- Sliding window (3 summaries max) for infinite context
- Tools: weather, search, time, calculator
- Workers AI fallback support
- Webhook security with rate limiting

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-14 13:00:44 +09:00