Patch alpha (0.148.0-alpha.7 → 0.148.0-alpha.8) with small event/model polish, a removed config knobs, and internal TUI and exec-server cleanup.
Changelog
[new] Emits an exec_command_begin event (with a structured begin payload) when an exec command starts, so clients can observe command start more cleanly.
[new] Image generation can surface a dedicated usage-limit-exceeded failure path; related image-generation end/item payloads carry additional fields.
[new] Adds response types for thread unarchive and remote plugin mutation flows.
[new] Adds an announcement tip document type for surfacing tip-style announcements.
[changed] Client message streaming events are reshaped (chunk-style client message events give way to an updated client message result event).
[changed] Hook configuration moves toward MCP tool hooks rather than command hooks.
[changed] MCP content modeling gains an audio content variant; other wire/content and account-related variants are tightened up (including Amazon Bedrock account handling).
[changed] Environment status and synchronized-update payloads are part of the typed event/model surface.
[removed] Drops the exclude_slash_tmp config key.
[fixed] Renames mistyped env vars to CODEX_EXEC_SERVER_NOISE_CHATGPT_ACCOUNT_ID and CODEX_MCP_PROTOC (replacing the prior …_IDN / …_PROTOCT spellings).
Under the hood
TUI chat turn handling picks up a dedicated turn_runtime module for turn lifecycle work.
Exec-server drops the generated relay protobuf sources under its old proto path — less generated surface in that crate.
Broader data-model churn removes unused or superseded response/settings types (login/rate-limit/daemon/guardian/rollout helpers and similar) while refreshing image-generation and exec-related payloads.
Cargo.lock and version.json mark the 0.148.0-alpha.8 alpha bump.
Upgrade notes
If you still set exclude_slash_tmp in config, remove it; the key is no longer recognized.
Update any automation that referenced CODEX_EXEC_SERVER_NOISE_CHATGPT_ACCOUNT_IDN or CODEX_MCP_PROTOCT to the corrected names.
Integrators listening for client message chunk events or the older image-generation payload shapes should switch to the updated event and field layouts; prefer exec_command_begin for command-start signaling.
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