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## Description This PR adds legacy `EventMsg` mappings for the `TurnItem` types introduced in [#30282](https://github.com/openai/codex/pull/30282): - `CommandExecution` - `DynamicToolCall` - `CollabAgentToolCall` - `SubAgentActivity` When their producers move to canonical `ItemStarted` / `ItemCompleted`, raw core event consumers can still receive the existing begin/end-style events. The canonical item lifecycle remains the live source of truth. We also record the mapped legacy events in rollout trace so the producer migration preserves the existing tool-runtime trace entries. ## Why This is the compatibility layer for the follow-up producer migrations. Splitting it out first keeps each producer PR small and keeps the legacy mapping in one place. ## What changed - Added `TurnItem` → legacy `EventMsg` mappings in `protocol/src/legacy_events.rs`. - Added the command execution status conversion used by the exec mapping. - Added focused coverage for command execution and dynamic tool mappings.
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This repository is licensed under the Apache-2.0 License.