chore: Document Phase 2F deployment blocker — Erik unreachable (network issue)

DEPLOYMENT_BLOCKED.md

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+# Phase 2F Deployment Blocked — Erik Unreachable
+
+**Date**: 2026-04-19 21:40 UTC  
+**Status**: BLOCKED — Network connectivity  
+**Commit**: 2ca77d0 (pushed to Gitea)
+
+## Issue
+
+Automated deployment script failed at Erik connection step:
+
+```
+>> 3. Deploying on Erik (82.165.222.127)
+[INFO]  Connecting via SSH...
+ssh: connect to host 82.165.222.127 port 22: Connection refused
+```
+
+## Verification
+
+- **SSH**: Connection refused on port 22
+- **Ping**: 100% packet loss (host unreachable)
+- **Status**: Erik appears offline or network-isolated
+
+## Workaround (When Erik Returns Online)
+
+```bash
+# Manual deploy steps (from PHASE_2F_DEPLOYMENT.md):
+ssh root@82.165.222.127
+
+# On Erik:
+cd /opt/llm-gateway
+git fetch origin
+git reset --hard origin/main  # Pulls commit 2ca77d0
+npm install
+npm run build
+pm2 reload llm-gateway llm-learning --update-env
+pm2 status
+pm2 logs llm-gateway --lines 20
+```
+
+## Phase 2F Deliverables (Complete)
+
+✅ Commit pushed to Gitea: `2ca77d0`
+✅ Code changes ready for deployment:
+- Client SDK with offline Ollama fallback
+- 4 ADRs documented (0001-0004)
+- Integration test suite (13/14 tests passing)
+- PHASE_2F_DEPLOYMENT.md guide
+
+⏸️ Awaiting: Erik server to come back online
+
+## Next Steps
+
+1. **Restore Erik connectivity** — check IONOS hosting, SSH service, network routing
+2. **Re-run deploy script** — `bash deploy/deploy.sh`
+3. **Post-deployment verification** — run health checks and client fallback tests
+4. **Begin Phase 2G** — Agent integration (Claude Code, Codex, Copilot, ChatGPT)