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JamesandClaude Opus 4.7
58b4234809
End-to-end Docker regression test that exercises the full variables
chain: meta.json renderConfig.variables → harness → createRenderJob →
RenderConfig → CaptureOptions → engine evaluateOnNewDocument →
window.__hfVariables → getVariables() → DOM text → rendered pixels.
Fixture (packages/producer/tests/variables-prod/):
- src/index.html: composition with three declared variables (title,
subtitle, bgColor) read via window.__hyperframes.getVariables() and
rendered as positioned text on a colored background. No animation —
keeps the regression frame-stable so it isolates "did the variables
flow through?" from motion concerns.
- meta.json: tags ["variables", "composition"] (runs in the existing
fast shard's tag filter), renderConfig.variables provides override
values the baseline reflects ("Override Title", "Override subtitle",
#0a3d62). Defaults would produce a visibly different frame, so a
failing baseline that reflects defaults means the variables didn't
propagate.
- output/output.mp4: Docker-generated baseline per the project's
CLAUDE.md golden-baseline rule.
Harness change (packages/producer/src/regression-harness.ts):
- TestMetadata.renderConfig gains an optional variables field,
validated as a JSON object in the meta.json validator.
- The createRenderJob call site forwards renderConfig.variables to
RenderConfig.variables, which the engine already consumes via
evaluateOnNewDocument (PR #600).
Verified: docker:test variables-prod passes 100/100 visual checkpoints
and audio correlation 1.000 against the committed baseline.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>