merge(upstream): bring in openai/codex@main (no conflicts)

Policy: prefer ours (tui/cli/workflows/docs), prefer theirs (core/common/protocol/exec/file-search). Purge checks passed.\nVerification: scripts/upstream-merge/verify.sh PASS (build_fast=ok, api_check=ok).

codex-rs/README.md

@@ -35,7 +35,7 @@ npx @modelcontextprotocol/inspector codex mcp
 
 You can enable notifications by configuring a script that is run whenever the agent finishes a turn. The [notify documentation](../docs/config.md#notify) includes a detailed example that explains how to get desktop notifications via [terminal-notifier](https://github.com/julienXX/terminal-notifier) on macOS.
 
-### `codex exec` to run Codex programmatially/non-interactively
+### `codex exec` to run Codex programmatically/non-interactively
 
 To run Codex non-interactively, run `codex exec PROMPT` (you can also pass the prompt via `stdin`) and Codex will work on your task until it decides that it is done and exits. Output is printed to the terminal directly. You can set the `RUST_LOG` environment variable to see more about what's going on.
 

docs/getting-started.md

@@ -28,7 +28,7 @@ they'll be committed to your working directory.
 
 ### Example prompts
 
-Below are a few bite-size examples you can copy-paste. Replace the text in quotes with your own task. See the [prompting guide](https://github.com/openai/codex/blob/main/codex-cli/examples/prompting_guide.md) for more tips and usage patterns.
+Below are a few bite-size examples you can copy-paste. Replace the text in quotes with your own task.
 
 | ✨  | What you type                                                                   | What happens                                                               |
 | --- | ------------------------------------------------------------------------------- | -------------------------------------------------------------------------- |