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Slate v2 Phase 9 Images Decision

docs/plans/2026-04-07-slate-v2-phase9-images-decision.md

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Slate v2 Phase 9 Images Decision

Supporting plan. For current queue and roadmap truth, see master-roadmap.md.

Goal

Sharpen the images family from vague later-bucket language into an explicit comparison-only family if the legacy evidence is cheap and stable.

Scope

  • add one legacy images row to the replacement compatibility matrix
  • sync the family ledger and top-level docs if the row lands cleanly

Constraints

  • no fake current v2 images family claim
  • no image-upload or media implementation batch hidden inside a matrix slice
  • use the matrix to preserve honest deferral, not to imply current support

Progress

  • added one legacy images row to the replacement compatibility matrix
  • proved the row through the cross-repo local runner
  • used that evidence to sharpen the family ledger:
    • images is now comparison-only
    • not generic intentionally-later hand-waving
  • synced the scoreboard and top-level v2 docs so the landed Phase 9 slice is visible in the roadmap stack
  • verification:
    • bash ./scripts/run-cross-repo-local.sh 3010 /examples/rich-inline ../slate 3210 /examples/images "yarn build:slate-browser:playwright && yarn exec playwright test playwright/integration/examples/replacement-compatibility.test.ts --project=chromium --workers=1"