Owen Lin 058d97c5dc feat(core): emit canonical collab tool call items (#31300)
This PR depends on [#31296](https://github.com/openai/codex/pull/31296)
for the canonical-to-legacy event mappings.

## Description

This PR makes the non-wait v1 collaboration tools—spawn, send input,
resume, and close—emit canonical `TurnItem::CollabAgentToolCall`
lifecycle instead of their legacy begin/end events directly.

App-server v2 consumes the canonical collab items directly, ignores the
mapped legacy events, and applies close-agent thread-watch cleanup from
the completed item.

## Why

These four tools share the same single-target lifecycle shape. Wait
stays separate because it carries multi-target status snapshots and has
its own status-shaping cleanup.

## What changed

- Add shared helpers for emitting canonical collab tool-call lifecycle.
- Migrate spawn, send input, resume, and close handlers.
- Move close-agent watcher cleanup onto canonical completed collab
items.
2026-07-07 13:35:57 -07:00
2026-04-24 17:49:29 -07:00
2025-04-16 12:56:08 -04:00
2025-04-16 12:56:08 -04:00
2026-04-24 17:49:29 -07:00

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