* refactor(draw-image): add tests/fixtures/cover.svg and loadFixture helper
* feat(draw-image): add --template-dir flag to cli for test isolation
* refactor(draw-image): switch tests from templates/cover to fixtures
* chore(draw-image): simplify production cover.svg now decoupled from tests
* docs(handoff): add handoff + ADR for issue #196
* docs(handoff): set PR number
* docs(project-map): update after structural changes
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Co-authored-by: opencode-agent <agent@opencode.local>
