docs: add cross-repo automation playbook reference to AGENTS.md and CLAUDE.md

AGENTS.md

@@ -563,3 +563,13 @@ Each product backend uses `@bytelyst/*` packages via `file:` refs and follows th
 6. **Don't modify generated files directly** — edit `bytelyst.tokens.json` and re-run the generator.
 7. **Build packages before testing services or non-workspace dashboards** — service tests and `__LOCAL_LLMs/dashboard` may import from `@bytelyst/*` `dist/`. Run `pnpm build` first if you get import errors.
 8. **Don't duplicate LLM routing logic** — update `@bytelyst/llm-router` first, then have consumers call it.
+
+---
+
+## Cross-Repo Automation
+
+For periodic maintenance tasks that span all ByteLyst repos (test audits, coverage gaps, dependency checks, secret scans, typecheck sweeps), see the **Coding Agent Automation Playbook**:
+
+> [`docs/devops/CODING_AGENT_AUTOMATION_PLAYBOOK.md`](docs/devops/CODING_AGENT_AUTOMATION_PLAYBOOK.md)
+
+Key tasks: workspace hygiene sweep, cross-repo test suite, backend/web coverage gap analysis, TypeScript typecheck sweep, dependency health check, secret scan, code quality audit, AGENTS.md consistency check.

CLAUDE.md

@@ -25,3 +25,9 @@ pnpm --filter @bytelyst/design-tokens generate  # regen tokens
 - `@bytelyst/*` = packages, `@lysnrai/*` = services
 - Use pnpm, never npm
 - Commit format: `type(scope): description`
+
+---
+
+## Cross-Repo Automation
+
+See [`docs/devops/CODING_AGENT_AUTOMATION_PLAYBOOK.md`](docs/devops/CODING_AGENT_AUTOMATION_PLAYBOOK.md) for periodic maintenance tasks: test audits, coverage gaps, dependency checks, secret scans, typecheck sweeps.