* fix(draw-image): use pid-based tmp svg and cleanup in finally
* test(draw-image): decouple e2e.optional from leftover tmp svg
* test(draw-image): add cleanup unit test for tmp svg lifecycle
* docs(draw-image): add handoff and ADR for tmp svg race fix
* docs(handoff): set PR number
* docs(project-map): update after structural changes
---------
Co-authored-by: opencode-agent <agent@opencode.local>
