feat(cli): add interactive Zoo terminal client

[taltas]

Stack

Position 5 of 6 in the Zoo CLI stack.

• Parent/base: fm/zoo-cli-automation (PR feat(cli): add Zoo automation client #1159)
• Child: fm/zoo-cli-release-docs (planned)
• Native local ancestry is preserved; GitHub uses the recorded classic fallback because gh stack submit reports stacked PRs are not enabled.

Scope

• Adds a focused Ink terminal frontend over the same pure SessionProjection used by automation.
• Supports initial prompts, follow-up input, approve-once/reject actions, cancellation, and idle exit.
• Renders ordered assistant/reasoning messages, tool state, approval cards, session status, and final outcome.
• Dynamically loads Ink only for the interactive root command so automation output and signal behavior remain isolated.
• Keeps all runtime/task behavior in the supervised production extension host.

Acceptance Evidence

• pnpm --dir apps/zoo test (10 tests, including Ink rendering and packaged subprocess automation)
• pnpm --dir apps/zoo check-types
• Targeted suppression-pruning ESLint
• Repository pre-commit lint and pre-push typecheck

Risk

Terminal input is intentionally focused rather than a broad control protocol. Ink is dynamically imported so its signal handling cannot affect run, JSON, or NDJSON automation paths.

flowchart LR
    U[TTY user] --> I[Ink client]
    I --> A[Input and approval actions]
    A --> H[Supervised zoo-host]
    H --> E[Production extension]
    E --> N[Normalized events]
    N --> R[SessionProjection reducer]
    R --> I

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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