Root cause: CSS Grid with optional (v-if) children caused inconsistent row counts.
Grid-template-rows: auto auto auto auto 1fr auto auto (7 rows) didn't match
actual child count (5-6 rows), causing 1fr collapse to 3px.
Solution: Revert to flexbox (proven stable).
- .ks-page: display: grid → display: flex; flex-direction: column
- .ks-page__workspace: add flex: 1 (replaces 1fr grid expansion)
- All flex children have min-height: 0 (height propagation chain)
Result: ShadowRunQueue grid now expands to full viewport height.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
kjh2064
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