* Unify terminal starts under one host operation
* Pin winning geometry across a late terminal join
* Use terminal creation options type in launch race test
* Check closed panes after acquiring the terminal spawn lease
* Preserve terminal start resource and join boundaries
* Keep terminal attach regression within project boundaries
* Capture terminal spawn authority and preserve image coverage
* Use checked fixtures for terminal image replay regression
* test: expose persisted pane to main layout in attach race
* test: contract terminal spawn scaling and retention
* test: correct spawn scaling fixture types and CI selection
* test(terminal): cover exited prompt claims and adopted team cleanup
* test(pty): consolidate mock registry imports
* fix(pty): retain untyped IPC resume inputs in common contract