chore(scheduler): Execute onboarding-audit-agent

- Executed onboarding-audit-agent daily task.
- Validated onboarding from a clean checkout (npm install, build, test, lint).
- Updated package-lock.json with missing metadata (license, engines).
- Created audit report in reports/audit/.
- Created required context/todo/decision artifacts in src/.
- Completed scheduler lock cycle.

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

src/context/CONTEXT_onboarding-audit-agent.md

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+# Context: Onboarding Audit Agent
+
+- Agent: onboarding-audit-agent
+- Cadence: daily
+- Run Start: 2026-02-18T21:00:00Z
+- Prompt: src/prompts/daily/onboarding-audit-agent.md
+
+## Goal
+Ensure fresh developer onboarding works from a clean checkout by validating README onboarding steps.
+
+## Scope
+- Validating onboarding from a clean environment.
+- Executing `npm install`, `npm run build`, `npm test`, `npm run lint`.
+- Documenting failures.
+
+## Constraints
+- Follow docs first.
+- Minimal churn.

src/decisions/DECISIONS_onboarding-audit-agent.md

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+# Decisions: Onboarding Audit Agent
+
+- Agent: onboarding-audit-agent
+- Cadence: daily
+- Run Start: 2026-02-18T21:00:00Z
+- Prompt: src/prompts/daily/onboarding-audit-agent.md
+
+## Decision: Commit package-lock.json update
+- **Rationale**: `npm install` automatically updated `package-lock.json` with missing metadata (`license`, `engines`). Committing this ensures consistency for future clean installs.

src/test_logs/TEST_LOG_onboarding-audit-agent.md

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+# Test Log: Onboarding Audit Agent
+
+- Agent: onboarding-audit-agent
+- Cadence: daily
+- Run Start: 2026-02-18T21:00:00Z
+- Prompt: src/prompts/daily/onboarding-audit-agent.md
+
+- Command: `npm install`
+- Result: Pass (0)
+
+- Command: `npm run build`
+- Result: Pass (0)
+
+- Command: `npm test`
+- Result: Pass (0)
+
+- Command: `npm run lint`
+- Result: Pass (0)
+
+See `reports/audit/onboarding-audit-report-2026-02-18.md` for details.

src/todo/TODO_onboarding-audit-agent.md

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+# Todo: Onboarding Audit Agent
+
+- Agent: onboarding-audit-agent
+- Cadence: daily
+- Run Start: 2026-02-18T21:00:00Z
+- Prompt: src/prompts/daily/onboarding-audit-agent.md
+
+## Completed Tasks
+- [x] Clean environment simulation (`rm -rf node_modules`).
+- [x] Run `npm install` (updated `package-lock.json`).
+- [x] Run `npm run build`.
+- [x] Run `npm test`.
+- [x] Run `npm run lint`.
+- [x] Create audit report.