- Phase 0 P0 fixes (10/10): per-tenant LLM cost meter, rate limiting, Telegram dedup
- AI prompt injection defense + output safety filter
- GDPR Article 17 hard-delete endpoint + tenant erasures tombstone
- Sentry HTTP-store integration + Telegram alert fan-out
- Resend transactional email (welcome / payment_failed / cancel_confirmed templates)
- D1 hourly backup automation to R2 (round-trip verified)
- Phase 1 P1 fixes (10/10): Anthropic prompt caching (30-50% cost savings)
- sitemap.xml + robots.txt + per-page OpenGraph/Twitter Card
- Graceful 5xx maintenance page with ref-code (brand-styled)
- CSRF protection (double-submit cookie, gated rollout)
- CSP + HSTS preload (2-year)
- L-2 hallucination disclaimer + L-3 no-train clause in legal
- Skip-to-content link + global :focus-visible (a11y)
- Undelivered drafts retry cron (5min → 6h exponential backoff)
- D1 atomic batch in signup (no zombie tenants)
- Phase 1.5 fixes: admin ops dashboard with real D1 KPIs (MRR, drafts, LLM spend)
- Admin audit log search (/admin/audit) for GDPR / SOC2 / legal requests
- schema.org JSON-LD + Twitter Card meta tags per page
- Public changelog page (this!) + sub-processors list
- Cookie consent banner (SSR + localStorage)
- Circuit breaker in LLM router (per-provider exponential timeout)
- Annual prepay pricing tier with 20% discount
- Cross-tenant leakage E2E test + impersonation auto-expire cron
- A04 Compose real UI — cross-cultural posting editor (Business tier)
- LLM router 26 → 29 tests (health cache + cost table integrity)
- End-to-end staging journey (40 assertions, PASS)
- D1 schema audit pass 2 (0 HARD bugs in earlier code)
- Beta outreach templates (Hottolink + Mention churn)
- Production deploy checklist with 8-step runbook
- A06/A07/A08/A10 real D1-backed settings editors (brand voice / reply rules / CTA library / notifications)
- A02 Monitor + A05 Analyze real-data editors
- A11 cancel flow (Buffer pattern, 90d retention) + A11 GDPR Article 15 export
- Telegram dual-pane render (Multilang Hub: source + translation + back-translation)
- D1 schema drift fixes (interactions.ingested_at unit, A13 ms/sec)
- LLM router (Gemini + OpenAI + Anthropic) with health cache + cost-asc fallback
- Stripe Checkout endpoint with 503 graceful fallback
- Apify auto-poll cron + keyword CRUD
- A01 Onboarding wizard 7-step
- ToS / Privacy / DPA / Edge-Fleet Addendum draft pages
- Brand voice extraction + reply rules engine v1 + CTA library + auto-insert
- Pricing pivoted: Pro $50 / Business $200 / Enterprise $500 + $500 setup + ~$700 hardware
- Claude subscription pass-through (商家 connects their own Claude Pro/Max/Team)
- Multilang Hub spec: source-language excerpt + bidirectional translation
- A13 Activity log NEW (business vs financial separated)
- JWT auth + draft_meter + monthly reset cron + admin Bearer gate
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