feat(tui): add automations workflows

[GriffinBoris]

Summary

• add CLI automation commands
• add TUI automation dialogs + keybinds
• document CLI + TUI usage

Verification

• bun run typecheck (packages/opencode)

Notes

• Depends on: core/automations-backend
• Branch is intentionally not stacked to keep PR scope focused

Refs: anomalyco#12417
Issue: TBD

[github-actions]

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[github-actions]

Closing this pull request because it has had no updates for more than 60 days. If you plan to continue working on it, feel free to reopen or open a new PR.