feat(cli): Add suport for multi-workspace authentication (#1151)

* implement workspace-based auth in cli

* Update workspace commands, fix bugs with auth logic.

* Use correct Cua case

* Format

* sort

* documentation auto-gen

* Update docs. Remove 'cache' references in favor of 'store'

* isort, lint

* format

* chore: remove doc changes, moved to docs/cli-workspaces branch

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* chore: remove remaining doc changes, moved to docs/cli-workspaces branch

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>