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docs: 代码审查 PRD 文档 — 安全/性能/架构优化建议#2

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docs: 代码审查 PRD 文档 — 安全/性能/架构优化建议#2
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docs: Code Review PRD — Security, Performance & Architecture Recommendations

Summary

Adds a comprehensive PRD document (docs/PRD.md) based on a full code review of the AISTONE codebase (~16,400 lines across backend and frontend). No functional code changes — this is documentation only.

The PRD covers:

  • Product overview — current feature inventory, tech stack mapping
  • Code review findings — 24 issues across 5 categories (security, architecture, performance, code quality, maintainability), each with file references, severity, and remediation suggestions
  • Prioritized optimization plan — P0 through P3 with estimated effort
  • Product roadmap — near/mid/long-term improvement timeline
  • Appendix — repo structure, line counts, full API endpoint catalog

Key security findings flagged: hardcoded JWT secret fallback, Math.random() for reset tokens, admin key in URL params, reset URL leaked in API response.

Review & Testing Checklist for Human

  • Verify S1 (JWT secret fallback): Check backend/auth.js lines 289, 381, 426, 907, 1100 — confirm env.JWT_SECRET || "your-secret-key" pattern exists and assess whether prod always has this env var set
  • Verify Q5 (model list mismatch): Compare frontend/js/api_client.js ~line 396 (turboisFree: true) against backend/services/generation.js ~line 9 (PREMIUM_MODELS) — confirm whether users are misled about turbo pricing
  • Verify S4 (reset URL in response): Check backend/auth.js ~line 674-679 — confirm resetUrl is still returned in the forgot-password API response in production
  • Spot-check line numbers: A few cited line numbers may have drifted. Verify 2-3 references against current main to ensure they're accurate enough to be useful
  • Review priority rankings: Confirm P0-P3 classification and effort estimates align with your team's priorities

Notes

Co-Authored-By: 396217818@qq.com <396217818@qq.com>
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cloudflare-workers-and-pages Bot commented Feb 18, 2026

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Deploying text2image-frontend-git with  Cloudflare Pages  Cloudflare Pages

Latest commit: 5aa05b2
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🤖 Devin AI Engineer

I'll be helping with this pull request! Here's what you should know:

✅ I will automatically:

  • Address comments on this PR. Add '(aside)' to your comment to have me ignore it.
  • Look at CI failures and help fix them

Note: I can only respond to comments from users who have write access to this repository.

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devin-ai-integration Bot and others added 2 commits February 18, 2026 14:03
P0 Security:
- Remove JWT_SECRET hardcoded fallback from all 5 locations in auth.js
- Use crypto-secure randomBytes(32) for reset token generation
- Support Authorization header for admin key (backward compatible)
- Remove resetUrl leak from forgot-password API response
- Add JWT_SECRET missing check with early error return

P1 Performance:
- Optimize Base64 encoding with chunked array approach (O(n) vs O(n²))
- Reduce retry max from 8 to 4, add per-request AbortController timeout
- Fix frontend/backend model list inconsistency (turbo -> premium)

P2 Architecture:
- Parallel KV reads in feedback list (Promise.allSettled)
- Add pagination to admin feedback list (page/page_size params)
- Fix prettier formatting in generation.js and api_client.js

Co-Authored-By: 396217818@qq.com <396217818@qq.com>
Co-Authored-By: 396217818@qq.com <396217818@qq.com>
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Closing due to inactivity for more than 7 days. Configure here.

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