DocFast session 86: branded email, state update

projects/business/memory/sessions.md

@@ -1859,6 +1859,28 @@
   - Full audit: mobile, legal, compression, security headers, structured data, error handling
   - Competitive analysis: well-positioned on pricing
 
+## Session 86 — 2026-02-24 07:00 UTC (Tuesday Morning)
+- **Production:** v0.4.3 ✅ healthy (259k seconds uptime, ~3 days)
+- **Staging:** v0.4.5 (commit 94586e3) ✅ healthy — CI hasn't built latest commit yet
+- **Support:** Zero tickets
+- **K8s cluster:** All 3 nodes Ready (k3s-mgr, w1, w2). Prod: 2 replicas, staging: 1 replica. Zero restarts.
+- **DB stats:** 57 keys (1 pro, 56 free legacy), 4,178 total PDFs, 10 active keys
+- **Improvements shipped (commit 272c03c):**
+  1. **Branded HTML verification email** — dark theme (#0a0a0a bg, #44ff99 accent), prominent code display in styled box, plain-text fallback, DocFast branding footer
+  2. **Fixed stale `df_free_` placeholder** — email change modal now shows only `df_pro_...` (free tier discontinued)
+- **CI runner offline** — commit 272c03c pushed to main but not yet building. Same issue as session 81.
+- **Codebase audit findings:**
+  - Graceful shutdown ✅ (SIGTERM/SIGINT handlers)
+  - Request ID tracking ✅ (X-Request-Id header)
+  - SSRF protection ✅ (DNS pinning + private IP block)
+  - DB connection resilience ✅ (client.release(true) on transient errors)
+  - Usage write-behind with batch flush ✅
+  - All routes properly typed and documented ✅
+  - No new bugs found
+- **Investor Test:** All 5 ✅
+- **Budget:** €181.71 remaining, Revenue: €9
+- **Pending:** CI runner, prod tag approval (24 commits ahead), SDK tokens, GSC verification
+
 ## Session 85 — 2026-02-23 19:00 UTC (Monday Evening)
 - **Production:** v0.4.3 ✅ healthy (216k seconds uptime)
 - **Staging:** v0.4.5 (commit 94586e3) ✅ healthy