[WIP] Update Codex CLI to v0.76.0

[Copilot]

• Update DefaultCodexVersion constant from "0.75.0" to "0.76.0" in pkg/constants/constants.go
• Update test expectation for DefaultCodexVersion in pkg/constants/constants_test.go
• Run make recompile to regenerate all .lock.yml workflow files with new version
• Run tests to verify changes
• Run make agent-finish for final validation

Original prompt

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This section details on the original issue you should resolve

<issue_title>[ca] Update Codex CLI to v0.76.0</issue_title>
<issue_description>## Update Codex CLI

• Previous: 0.75.0 → New: 0.76.0
• Timeline: Published December 19, 2025 (1 day after v0.75.0)
• Breaking Changes: None
• New Features: None detected
• Bug Fixes: Internal changes only
• Security: None
• CLI Discovery: No new commands or flags detected
• Subcommand Changes: None detected
• Impact: Risk Low, maintenance update with no user-facing changes
• Migration: No

Release Information

Release Date: December 19, 2025 at 18:57:04 UTC

Version Gap: Single version increment from 0.75.0 (released December 18, 2025 at 19:30:12 UTC)

Release Frequency: ~1 day between releases

CLI Analysis

Compared help output between v0.75.0 and v0.76.0:

• Commands: Identical (exec, review, login, logout, mcp, mcp-server, app-server, completion, sandbox, apply, resume, cloud, features, help)
• Options: Identical (--config, --enable, --disable, --image, --model, --oss, --local-provider, --profile, --sandbox, --ask-for-approval, --full-auto, --dangerously-bypass-approvals-and-sandbox, --cd, --search, --add-dir)
• Differences: Only whitespace changes (trailing blank lines)
• Conclusion: No functional CLI changes

Package Information

• NPM Package: https://www.npmjs.com/package/`@openai/codex`
• Repository: https://github.com/openai/codex
• Release Notes: No release notes published for rust-v0.76.0
• Package Description: "npm i -g @openai/codex or brew install --cask codex"

Implementation

Updated pkg/constants/constants.go:

const DefaultCodexVersion Version = "0.76.0"

Verified with make recompile - all 118 workflows regenerated successfully.

Files Changed

• pkg/constants/constants.go - Version constant updated
• All .github/workflows/*.lock.yml files - Regenerated with new version

AI generated by CLI Version Checker

Comments on the Issue (you are @copilot in this section)

• Fixes [ca] Update Codex CLI to v0.76.0 #6995

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