- Created ~/.hermes/skills/ngn-agent/session/SKILL.md (249 lines)
- 7-step session lifecycle: hindsight recall, Jira prompt, Confluence prompt, work, Jira update, Confluence update, automatic hindsight save
- All 14 decisions D-01 through D-14 implemented
- All threat mitigations (T-07-01, T-07-02, T-07-03) in place
- Skill discoverable via hermes skills list as 'session' under 'ngn-agent'
