Adds the `claude_oauth_token` Vault entries to the secrets table, a
new "OAuth token lifecycle" section explaining the two CLI auth modes
(`claude login` vs `claude setup-token`) and why we picked the latter
for headless use, the Ink 300-col PTY gotcha from today's harvest,
and the monitoring/rotation playbook for the new expiry alerts.
Follow-up to 8a054752 and 50dea8f0.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Replaces the stale "Dev VM SSH key" secret entry with the current
`claude-agent-service` bearer token path (synced to both consumer +
caller namespaces). Adds an "n8n workflow gotchas" section documenting:
1. The workflow is DB-state, not Terraform-managed — the JSON in the
repo is a backup, not authoritative.
2. Header-expression syntax: `=Bearer {{ $env.X }}` works, JS concat
`='Bearer ' + $env.X` does NOT — costs silent 401s.
3. `N8N_BLOCK_ENV_ACCESS_IN_NODE=false` requirement.
4. 401-troubleshooting steps and the UPDATE pattern for in-place
workflow patches.
Follow-up to 99180bec which fixed the actual pipeline break.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
## Context
The claude-agent-service K8s pod (deployed 2026-04-15) provides an HTTP API
for running Claude headless agents. Three workflows still SSH'd to the DevVM
(10.0.10.10) to invoke `claude -p`. This eliminates that dependency.
## This change
Pipeline migrations (SSH → HTTP POST to claude-agent-service):
- `.woodpecker/issue-automation.yml` — Vault auth fetches API token instead
of SSH key; curl POST /execute + poll /jobs/{id} replaces SSH invocation
- `scripts/postmortem-pipeline.sh` — same pattern; uses jq for safe JSON
construction of TODO payloads
- `.woodpecker/postmortem-todos.yml` — drop openssh-client from apk install
- `stacks/n8n/workflows/diun-upgrade.json` — SSH node replaced with HTTP
Request node; API token via $env.CLAUDE_AGENT_API_TOKEN (added to Vault
secret/n8n)
Documentation updates:
- `docs/architecture/incident-response.md` — Mermaid diagram: DevVM → K8s
- `docs/architecture/automated-upgrades.md` — pipeline diagram + n8n action
- `AGENTS.md` — pipeline description updated
## What is NOT in this change
- DevVM decommissioning (still hosts terminal/foolery services)
- Removal of SSH key secrets from Vault (kept for rollback)
- n8n workflow import (must be done manually in n8n UI)
[ci skip]
Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>
