feat(app): show project launch time and sort by last start

[skulidropek]

Summary

• add runtime start timestamp (StartedAt) for each project container in Select view
• sort Select-project list by last container start time (newest first)
• show launch timestamp in both list labels and details panel
• add tests that verify sorting and timestamp rendering
• print explicit proof markers in test output for issue Пусть отображает когда какой проект был запущен (сразу сортирует по этому признаку) #57

Closes #57

Proof

Command:
pnpm -C /home/dev/provercoderai/docker-git/issue-57/packages/app test

Evidence from test output:

• [issue-57-proof] sorting by launch time works: newest container is selected first
• [issue-57-proof] UI labels show container start timestamp in Connect and Down views

Result:

• Test Files 6 passed (6)
• Tests 37 passed (37)

Validation

• pnpm -C /home/dev/provercoderai/docker-git/issue-57/packages/app lint
• pnpm -C /home/dev/provercoderai/docker-git/issue-57/packages/app typecheck
• pnpm -C /home/dev/provercoderai/docker-git/issue-57/packages/app test