chore: sanitize codex mcp config

[keito4]

Summary\n- add documented Codex README sections covering agent distribution and env-based MCP tokens\n- load host-side .devcontainer.env into Dev Container and use it in .codex config\n- switch codex config to latest gpt-5-codex model and reintroduce Playwright/o3 MCP entries\n\n## Testing\n- npm run build

Summary by CodeRabbit

• New Features

  • Added multiple MCP server integrations including AWS documentation, Supabase, Vercel, and GitHub support.
  • Introduced Claude Agent Configuration system with credential management and project trust settings.

• Documentation

  • Enhanced README with comprehensive setup instructions, configuration guides, MCP credential management, and Slack notifications integration details.

• Updates

  • Updated model references and development environment configuration.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Configuration files updated to enable RMCP client and add MCP server definitions for AWS documentation, Supabase, Vercel, and GitHub. DevContainer model reference changed from "gpt-5" to "gpt-5-codex" and environment file support added. README documentation extensively expanded with agent setup procedures and MCP integration details.

Changes

Cohort / File(s)	Summary
MCP & Codex Configuration \.codex/config\.toml, \.devcontainer/codex-config\.json	Added features.rmcp_client flag; introduced MCP server definitions for AWS docs, Supabase, Vercel, and GitHub with corresponding authorization tokens; updated o3 MCP environment variables; added project trust configurations; model reference changed from "gpt-5" to "gpt-5-codex"
DevContainer Setup \.devcontainer/devcontainer\.json	Added runArgs field to load environment file at runtime (\.devcontainer\.env)
Documentation README\.md	Expanded with Claude Agent Configuration Setup section, MCP credential configuration guide, o3 MCP technical assistance section, Slack Notifications Integration details, glossary updates, and procedural examples for agent setup and validation

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

• Verify MCP server URLs and credential token references (Supabase, Vercel, GitHub) align with environment setup
• Validate project trust path configurations are intentional and correctly formatted
• Confirm "gpt-5-codex" is a valid model identifier and compatible with existing code
• Ensure .devcontainer.env file location and env-file loading mechanism is correctly documented

Possibly related PRs

• chore: mirror claude configuration to codex #116 — Directly modifies .codex/config.toml MCP server definitions and o3 environment variables; overlapping configuration concerns
• Feat/add vercel cli #100 — Changes codex-config.json model reference and introduces Vercel-related setup; related DevContainer configuration
• docs: READMEドキュメントの最新化 #58 — Expands README documentation for DevContainer-related setup and repository structure; documentation alignment

Poem

🐰 Config files dance with tokens bright,
MCP servers now in sight,
Agents configured, trust declared,
DevContainer setup, well prepared,
Documentation grows with care—hop hop! 🌟

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/mcp-config-docs

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between d6f9304 and e46fa0a.

📒 Files selected for processing (4)

• .codex/config.toml (1 hunks)
• .devcontainer/codex-config.json (1 hunks)
• .devcontainer/devcontainer.json (1 hunks)
• README.md (3 hunks)

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[github-actions]

🎉 This PR is included in version 1.1.3 🎉

The release is available on GitHub release

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