Security:
- Add CSP headers for HTML reports (style-src 'unsafe-inline')
- Restrict origin validation to specific .kappa-d8e.workers.dev domain
- Add base64 size limit (100KB) for report data parameter
- Implement rejection sampling for unbiased password generation
- Add SQL LIKE pattern escaping for tech specs query
- Add security warning for plaintext password storage (TODO: encrypt)
Performance:
- Add Telegram API timeout (10s) with AbortController
- Fix rate limiter sorting by resetTime for proper cleanup
- Use centralized TIMEOUTS config for VPS provider APIs
Features:
- Add admin SSH key support for server recovery access
- ADMIN_SSH_PUBLIC_KEY for Linode (public key string)
- ADMIN_SSH_KEY_ID_VULTR for Vultr (pre-registered key ID)
- Add origin validation middleware
- Add idempotency key migration
Code Quality:
- Return 404 status when no servers found
- Consolidate error logging to single JSON.stringify call
- Import TECH_CATEGORY_WEIGHTS from config.ts
- Add escapeLikePattern utility function
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- 동시접속자 기반 월간 대역폭 자동 추정
- DAU(일일활성사용자) 추정치 표시 (동접 × 10-14)
- 대역폭 기반 Linode/Vultr 자동 선택 로직
- 비용 분석에 대역폭 비용 포함
- 지역 미선택시 서울/도쿄/오사카/싱가포르 기본 표시
- 지역별 서버 분리 표시 (GROUP BY instance + region)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>