ops: establish ops/ directory with Gitea runbook and INC-001 incident report

- Create ops/runbooks/gitea-coulombcore.md — recovery checklist for Gitea
  on COULOMBCORE, documents containerd StartError pattern and CPU budget issue
- Create ops/incidents/2026-03-25-gitea-pgpool-crashloop.md — INC-001 post-mortem
  for 13-day Gitea outage (PGPool CrashLoopBackOff + rolling update CPU deadlock)
- Create ops/README.md — index for runbooks and incidents
- state-hub/dashboard/src/docs/connecting.md: add railiance01 tunnel config
  (was previously unsaved)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

dashboard/src/docs/connecting.md

@@ -135,6 +135,38 @@ tunnels:
       max_attempts: 0
       backoff_initial: 5
       backoff_max: 60
+
+  state-hub-railiance01:        # API tunnel
+    host: 92.205.62.239
+    remote_port: 18000
+    local_port: 8000
+    ssh_user: tegwick
+    ssh_key: ~/.ssh/id_ops
+    actor: agent.claude-railiance01
+    health_check:
+      url: http://127.0.0.1:8000/state/health
+      interval_seconds: 30
+      timeout_seconds: 5
+    reconnect:
+      max_attempts: 0
+      backoff_initial: 5
+      backoff_max: 60
+
+  state-hub-mcp-railiance01:    # MCP SSE tunnel
+    host: 92.205.62.239
+    remote_port: 18001
+    local_port: 8001
+    ssh_user: tegwick
+    ssh_key: ~/.ssh/id_ops
+    actor: agent.claude-railiance01
+    health_check:
+      url: http://127.0.0.1:18001/sse
+      interval_seconds: 30
+      timeout_seconds: 5
+    reconnect:
+      max_attempts: 0
+      backoff_initial: 5
+      backoff_max: 60
 ```
 
 ops-bridge source: `~/ops-bridge` · SSH key: `~/.ssh/id_ops`