Add --parallel flag to `bd mol show` that analyzes molecule structure
and identifies which steps can run in parallel. Also add --mol flag to
`bd ready` to list ready steps within a specific molecule.
Features:
- `bd mol show <id> --parallel`: Shows parallel group annotations
- `bd ready --mol <id>`: Lists ready steps with parallel opportunities
- Detects steps at same blocking depth that can parallelize
- Groups steps without mutual blocking deps into parallel groups
- JSON output includes full parallel analysis
Algorithm:
- Build dependency graph from blocking deps (blocks, conditional-blocks)
- Calculate blocking depth (distance from unblocked state)
- Group steps at same depth with no mutual blocking into parallel groups
- Mark steps as ready if open/in_progress with no open blockers
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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