docs(ai): onboarding audit (onboarding-audit-agent)

Co-authored-by: PR0M3TH3AN <[email protected]>

docs/agents/onboarding-audit-report-2026-02-17.md

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+# Onboarding Audit Report - 2026-02-17
+
+Headline: ✓ Onboarding passes from clean checkout
+
+## Environment
+- Node: v22.22.0
+- NPM: 11.7.0
+- OS: Linux
+
+## Steps Executed
+1. `npm ci` (Success)
+2. `npx playwright install` (Success)
+3. `npm run build` (Success)
+4. `npm run test:unit:shard1` (Success)
+5. `npm run test:smoke` (Success)
+6. `npm run format` (Success)
+7. `npm run lint` (Success)
+8. `npm run audit` (Success)
+
+## Results
+All documented onboarding steps passed successfully in a clean environment. No documentation updates required.

docs/agents/task-logs/daily/2026-02-17_07-30-00_onboarding-audit-agent_completed.md

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+# Task Log: Onboarding Audit Agent
+
+**Date:** 2026-02-17
+**Agent:** onboarding-audit-agent
+**Status:** Completed
+**Outcome:** Success
+
+## Summary
+The onboarding audit completed successfully. All documented steps in `README.md` and `CONTRIBUTING.md` were verified in a clean environment.
+
+## Report
+See `docs/agents/onboarding-audit-report-2026-02-17.md` for details.
+
+## Actions Taken
+- Verified `npm ci`
+- Verified `npx playwright install`
+- Verified `npm run build`
+- Verified `npm run test:unit:shard1`
+- Verified `npm run test:smoke`
+- Verified `npm run format`
+- Verified `npm run lint`
+- Verified `npm run audit`
+
+No documentation updates were necessary as the current instructions are accurate.