t135.9.2: Add trap cleanup for mktemp temp files across 14 scripts

[marcusquinn]

Summary

• Adds trap 'rm -f "$temp_file"' RETURN guards after mktemp calls to ensure temporary files are cleaned up on early returns or errors
• Chains jq > tmp && mv tmp target with && to prevent data loss if jq fails
• Covers 29 mktemp usage sites across 14 scripts (20 files changed)

Scripts updated: add-skill-helper, agent-test-helper, clawdhub-helper, cron-dispatch, cron-helper, keyword-research-helper, linters-local, markdown-formatter, markdown-lint-fix, matrix-dispatch-helper, runner-helper, secretlint-helper, seo-analysis-helper, site-crawler-helper, skill-update-helper, sonarscanner-cli, terminal-title-setup, watercrawl-helper

Closes #135

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/t135.9.2

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[github-actions]

🔍 Code Quality Report

�[0;35m[MONITOR]�[0m Code Review Monitoring Report

�[0;34m[INFO]�[0m Latest Quality Status:
SonarCloud: 0 bugs, 0 vulnerabilities, 31 code smells

�[0;34m[INFO]�[0m Recent monitoring activity:
Sat Feb 7 21:21:50 UTC 2026: Code review monitoring started
Sat Feb 7 21:21:50 UTC 2026: SonarCloud - Bugs: 0, Vulnerabilities: 0, Code Smells: 31
Sat Feb 7 21:21:50 UTC 2026: Qlty - 0 issues found, auto-formatting applied
Sat Feb 7 21:21:52 UTC 2026: Codacy analysis completed with auto-fixes

📈 Current Quality Metrics

• BUGS: 0
• CODE SMELLS: 31
• VULNERABILITIES: 0

Generated on: Sat Feb 7 21:21:52 UTC 2026

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Generated by AI DevOps Framework Code Review Monitoring

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud