## Summary This changes `custom_tool_call_output` to use the same output payload shape as `function_call_output`, so freeform tools can return either plain text or structured content items. The main goal is to let `js_repl` return image content from nested `view_image` calls in its own `custom_tool_call_output`, instead of relying on a separate injected message. ## What changed - Changed `custom_tool_call_output.output` from `string` to `FunctionCallOutputPayload` - Updated freeform tool plumbing to preserve structured output bodies - Updated `js_repl` to aggregate nested tool content items and attach them to the outer `js_repl` result - Removed the old `js_repl` special case that injected `view_image` results as a separate pending user image message - Updated normalization/history/truncation paths to handle multimodal `custom_tool_call_output` - Regenerated app-server protocol schema artifacts ## Behavior Direct `view_image` calls still return a `function_call_output` with image content. When `view_image` is called inside `js_repl`, the outer `js_repl` `custom_tool_call_output` now carries: - an `input_text` item if the JS produced text output - one or more `input_image` items from nested tool results So the nested image result now stays inside the `js_repl` tool output instead of being injected as a separate message. ## Compatibility This is intended to be backward-compatible for resumed conversations. Older histories that stored `custom_tool_call_output.output` as a plain string still deserialize correctly, and older histories that used the previous injected-image-message flow also continue to resume. Added regression coverage for resuming a pre-change rollout containing: - string-valued `custom_tool_call_output` - legacy injected image message history #### [git stack](https://github.com/magus/git-stack-cli) - ๐ `1` https://github.com/openai/codex/pull/12948
codex-core
This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.
Dependencies
Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:
macOS
Expects /usr/bin/sandbox-exec to be present.
When using the workspace-write sandbox policy, the Seatbelt profile allows
writes under the configured writable roots while keeping .git (directory or
pointer file), the resolved gitdir: target, and .codex read-only.
Network access and filesystem read/write roots are controlled by
SandboxPolicy. Seatbelt consumes the resolved policy and enforces it.
Seatbelt also supports macOS permission-profile extensions layered on top of
SandboxPolicy:
- no extension profile provided:
keeps legacy default preferences read access (
user-preference-read). - extension profile provided with no
macos_preferencesgrant: does not add preferences access clauses. macos_preferences = "readonly": enables cfprefs read clauses anduser-preference-read.macos_preferences = "readwrite": includes readonly clauses plususer-preference-writeand cfprefs shm write clauses.macos_automation = true: enables broad Apple Events send permissions.macos_automation = ["com.apple.Notes", ...]: enables Apple Events send only to listed bundle IDs.macos_accessibility = true: enablescom.apple.axservermach lookup.macos_calendar = true: enablescom.apple.CalendarAgentmach lookup.
Linux
Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.
All Platforms
Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.