Add parent-owned child document surface #136
- MA
## Summary
- add the parent-owned child document surface with parent breadcrumb, X close, and exposed-parent close behavior - keep parent title and presence top-level while obscuring only the parent paper - give child documents isolated Chat and Decisions without research or implementation capability - preserve the current content-swap, transition-presence, workspace-profile, and generated-ID architecture
## Verification
- `bun run fix` - focused unit tests: 104 passed - `bun run types` - `bun run ci` - `bun run e2e -- e2e/research-child-documents.e2e.ts`: 8 passed - `git diff --check`
Stacked on #135.
MaggieAppletonbase-ref-force-pushed2 months ago on GitHub
MaggieAppletonautomatic-base-change-succeeded2 months ago on GitHub
MaggieAppletonhead-ref-force-pushed 933e745beee52 months ago on GitHub
MaggieAppletonmerged 0b959a60ba122 months ago on GitHub
MaggieAppletonhead-ref-deleted2 months ago on GitHub