fix: remove --agent Onboarding flag from opencode launch

[marcusquinn]

Summary

Fixes Agent not found: "Onboarding" error on first-run opencode launch after setup.

Root cause

setup.sh launched opencode with --agent "Onboarding" --prompt "/onboarding". The "Onboarding" agent only exists after generate-opencode-agents.sh writes it into opencode.json. But on first run, opencode.json doesn't exist yet (it's created on first opencode launch), so the agent generator skips agent config. Result: fatal error.

Fix

Use opencode --prompt "/onboarding" only. The /onboarding command file exists (created by generate-opencode-commands.sh which doesn't need opencode.json) and works with whatever default agent is active. Also removes the model detection logic which depended on auth state — OpenCode picks its own default model.

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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 bugfix/remove-onboarding-agent-flag

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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, 45 code smells

�[0;34m[INFO]�[0m Recent monitoring activity:
Mon Feb 9 01:37:43 UTC 2026: Code review monitoring started
Mon Feb 9 01:37:43 UTC 2026: SonarCloud - Bugs: 0, Vulnerabilities: 0, Code Smells: 45

📈 Current Quality Metrics

• BUGS: 0
• CODE SMELLS: 45
• VULNERABILITIES: 0

Generated on: Mon Feb 9 01:37:45 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