- Add `_regen_file` helper that idempotently regenerates a file: moves
existing file aside, runs the generator, compares output byte-for-byte,
and either restores the original (preserving mtime) or keeps the new
version with a `.prev` backup.
- `disinto_up` now calls `generate_compose` and `generate_caddyfile`
before bringing the stack up, ensuring generator changes are applied.
- Pass `--build --remove-orphans` to `docker compose up -d` so image
rebuilds and orphan container cleanup happen automatically.
- Add `--no-regen` escape hatch that skips regeneration and prints a
warning for operators debugging generators or testing hand-edits.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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