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Probe rendering and modal focus boundaries in pinned browser fixture

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Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0cffe-206f-7323-89d3-b20ca4cf4bf9
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tegwick 2026-09-26 22:01:35 +02:00
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11
research/candidates/FocusReturn.md
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@ -40,3 +40,14 @@ Evidence locators: [breadth review](../reviews/PatternBreadthExpansion.md).
All relations are research proposals; no canonical identity or admitted graph edges.
The next test is planned, not executed. Known uses of the complete proposed contract
have not been verified in this investigation.
## Executed partial evidence — 2026-09-26
[Boundary experiment](../reviews/BoundaryRecoveryExperiment.md) X05–X08 runs Radix
Dialog 1.1.23. Ordinary return succeeds; removal of the trigger leaves BODY focused
unless the application supplies a surviving target. Nested dismissal is timing-sensitive:
immediate Escape failed the parent-return obligation in the final recorded immediate
run, while a 100 ms settling variant passed. Neither focus arrival nor dialog visibility
alone proves dismissal ownership has stabilized. The delay is an experimental variable,
not a recommended fix. Root cause and accessibility conformance remain unverified;
retain hypothesis maturity and test lifecycle ownership before a stronger claim.