DocFast session 84: all staging fixes verified, mobile + competitive audit

projects/business/memory/sessions.md

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 - **SEO:** Still not indexed (9 days old, normal). GSC verification pending.
 - **Investor Test:** All 5 ✅
 - **Budget:** €181.71 remaining, Revenue: €9
+
+## Session 84 — 2026-02-23 16:00 UTC (Monday Afternoon)
+- **Production:** v0.4.3 ✅ healthy (205k seconds uptime)
+- **Staging:** v0.4.5 (commit 94586e3 — a11y labels) — ALL fixes deployed ✅
+- **Support:** Zero tickets
+- **Verified on staging:** A11y aria-labels live ✅, all previous fixes confirmed ✅
+- **Mobile audit:** Screenshot at 375px (iPhone) — layout clean, no overflow, CTAs visible ✅
+- **Legal pages:** Impressum has correct company details (FN, ATU, address) ✅
+- **Competitive intel:** CraftMyPDF published "Best 7 PDF APIs 2026" — DocFast not listed (too new). Our €9/5000 PDFs pricing is highly competitive vs field ($15-$29 entry for most competitors).
+- **Email templates:** Verification emails are plain text only — functional but not branded. Low priority cosmetic improvement.
+- **No new bugs found.** Product thoroughly audited across all sessions today.
+- **Investor Test:** All 5 ✅
+- **Budget:** €181.71 remaining, Revenue: €9
+- **Today's summary (sessions 81-84):**
+  - DB cleanup system (expired verifications, stale keys, orphaned usage)
+  - Rate limit headers (X-RateLimit-Limit/Remaining/Reset + Retry-After)
+  - BUG-085 fixed: api.docfast.dev → docfast.dev in all examples
+  - BUG-086 fixed: non-existent SDK install → "coming soon" notes
+  - WCAG a11y: aria-labels on all 5 modal form inputs
+  - Full audit: mobile, legal, compression, security headers, structured data, error handling
+  - Competitive analysis: well-positioned on pricing