Cleans up scattered status markers into a single legend (Done / Code complete
/ Spec'd / Bundled), backfills v0.1.0-phase1 tag reference for Phase 1, marks
the table consistently for what's actually shipping vs. what needs the Phase
14 VM smoke. Updates the lane diagram to show what's done vs. in flight, and
adds a 'lessons learned from this session's parallelism' section capturing
when subagents-in-worktrees actually work and when they slip on sandbox-blocked
verification commands.
Adds closeout notes for Phases 3, 4+5, 6, 7, 15, 16 alongside the existing
Phase 1 and Phase 2 sections — what shipped, plan deviations, and any wire-
breaking signature changes (SetPolicy gained a force flag in Phase 4+5).
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