fix(happy-cli): show install instructions when codex is not installed#858
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bra1nDump merged 2 commits intoslopus:mainfrom Apr 1, 2026
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Add early codex CLI check before rendering TUI so users see a clean error message with install instructions instead of "spawn codex ENOENT". Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Align with official Codex install methods: npm and brew install --cask. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
runCodex()before rendering the TUI, so users see a clean formatted error with install instructions instead of the rawError: spawn codex ENOENThappy claude's existing not-installed messageTest plan
codexbinary, runhappy codex— should show formatted install instructions without rendering the TUIcodexinstalled, runhappy codex— should work normally