Add item_progression: parallel as an owner-gated scheduling extension:
the main workflow stays the sole orchestrator and cursor writer, workers
execute dependency-independent items in host-provided isolated
workspaces, and integration is serialized without advancing mainline
history until per-item re-verification passes. Ships the parallel
execution protocol reference (wavefront scheduling, contextPacket
delegation, active_items recovery records with branched state
transitions, item-local vs epic-global blockers, capability fallback),
mirrors the contract across bilingual WORKFLOW/CATALOG, ADR-005,
AGENTS.md and CLAUDE.md, and anchors it in the contract tests.
Reviewed by an independent heterogeneous reviewer over three rounds
(final verdict: approve; target sha256 a78d424e1d3a).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
- Create README.md for easysdd reference directory outlining shared materials and usage rules.
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