Interactive setup handoffs (mid-flow `?` escape and on-failure) spawned
claude with all context in --append-system-prompt and no user message,
so Claude sat at an empty REPL until the user re-explained themselves.
Move the context into a positional prompt that auto-submits as the
first user message: Claude starts orienting immediately, the context
stays visible in the transcript, and it survives --resume.
Also:
- Share one session across all handoffs in a setup run: pin a
generated UUID via --session-id on the first spawn, --resume it on
later ones (stdio is inherited, so Claude's own id is never visible).
- Switch --permission-mode from acceptEdits to auto.
- Dedupe the two spawn blocks into spawnInteractiveClaude().
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
gavrielc
67ccd9e74c