PR_26177_CHARLIE_009-sprites-legacy-audit-plan

[ToolboxAid]

Summary

• Audits the archived old_Sprite Editor implementation as a reference only.
• Documents reusable behaviors, rejected legacy patterns, and Sprites MVP data needs.
• Records Palette/Colors as the authoritative source for reusable colors.
• Defines the PR 010-016 Sprites MVP plan without runtime implementation.

Validation

• PASS: started from clean, synchronized main.
• PASS: legacy Sprite Editor files reviewed.
• PASS: current Sprites, Colors, Assets, toolbox registry, Palette DDL, and Asset DDL references reviewed.
• PASS: docs/report-only changed-file check.
• PASS: no start_of_day changes.
• PASS: git diff --check.
• Playwright impacted: No, audit/report-only.

Artifacts

• docs_build/dev/reports/PR_26177_CHARLIE_009-sprites-legacy-audit-plan.md
• docs_build/dev/reports/PR_26177_CHARLIE_009-sprites-legacy-audit-plan_branch-validation.md
• docs_build/dev/reports/PR_26177_CHARLIE_009-sprites-legacy-audit-plan_requirements-checklist.md
• docs_build/dev/reports/PR_26177_CHARLIE_009-sprites-legacy-audit-plan_validation-lane.md
• docs_build/dev/reports/PR_26177_CHARLIE_009-sprites-legacy-audit-plan_manual-validation-notes.md
• tmp/PR_26177_CHARLIE_009-sprites-legacy-audit-plan_delta.zip