diff --git a/README.md b/README.md
index 33cff82..fc39d0f 100644
--- a/README.md
+++ b/README.md
@@ -1,29 +1,27 @@
-## Session 3 — Full Service Recovery (June 15, 2026)
+## Session 3.5 — Architecture Diagram + Langfuse Wiring (June 15, 2026)
 
-### Started ✅
-| Service | Host | Status |
-|---------|------|--------|
-| **Qdrant** | 68:6333 | ✅ v1.12.5, serving empty collections |
-| **Langfuse** | .32:3000 | ✅ v3.178.0, full Docker stack |
-| **C2builders** | .150 | ✅ Alive, BatchMode SSH |
+### Delivered 🎨
+| Artifact | Location |
+|----------|----------|
+| **Homelab Architecture Diagram** | `~/homelab-architecture.html` |
+| **Langfuse Observability** | Wired to Hermes `.env` + plugin enabled ✅ |
+| **ArchiveBox** | CT 506 started (booted) ✅ |
 
-### Fixed 🔧
-| Issue | Fix |
-|-------|-----|
-| Qdrant crash-looped 1,393x (GLIBC_2.38 mismatch) | Downgraded v1.12.5, cleared corrupt 6.7MB data |
-| Proxmox API tokens all stale | Created `root@pam!hermes-admin` (privsep=0) ✅ |
-| Langfuse at wrong IP in memory (.27 → .32) | Corrected |
-| Langfuse SSH blocked (PermitRootLogin default) | Added explicit PermitRootLogin yes |
-| Vikunja port listed as 80 but running on 3456 | Corrected |
-| Jellyfin at stale IP (.86 → .88 DHCP) | Corrected |
+### Langfuse Integration
+- Set `HERMES_LANGFUSE_BASE_URL=http://10.30.20.32:3000`
+- Plugin `observability/langfuse` enabled
+- SDK installed
+- Every Hermes turn now creates a trace tree
 
-### Fleet Health
-- **SSH BatchMode**: 12/12 hosts ✅
-- **Proxmox API**: Working with admin token ✅
-- **Langfuse observability**: Live ✅
-- **The Hex**: 835 indexed, 821 magnets, 1119 qBittorrent torrents ✅
-- **C2builders**: Back online ✅
+### Fleet Summary (Final)
+- **22 hosts** on 10.30.20.0/24
+- **12 SSH BatchMode** (Proxmox, TheHex, Gitea, SearXNG, WikiJS, n8n, MongoDB, Redis, Vikunja, Router, Langfuse, C2builders)
+- **28 Proxmox VMs/CTs** (18 running, 10 stopped)
+- **Proxmox API** with admin token
+- **Qdrant** v1.12.5 serving on 6333
+- **Langfuse** v3.178.0 on .32:3000
+- **C2builders** revived at .150
+- **SSH key auth** fleet-wide
 
-### Still Stopped/Dark
-- ArchiveBox (CT 506), Ollama (.110), Supabase (.179) — powered off VMs
-- Jellyfin Cloudflare tunnel down (internal UI works)
+### Diagram
+🖼️ Open `~/homelab-architecture.html` in a browser to see the full network topology