Fix "Unable to attach mayor" timeout caused by claude being installed
as a shell alias rather than in PATH. Non-interactive shells spawned
by tmux cannot resolve aliases, causing the session to exit immediately.
Changes:
- Add resolveClaudePath() to find claude at ~/.claude/local/claude
- Apply path resolution in RuntimeConfigFromPreset() for claude preset
- Make hasClaudeChild() recursive (now hasClaudeDescendant()) to search
entire process subtree as defensive improvement
- Update fillRuntimeDefaults() to use DefaultRuntimeConfig() for
consistent path resolution
Fixes https://github.com/steveyegge/gastown/issues/703
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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