feat: add platform-specific store profiles

[petrbrzek]

Summary

• point ChatGPT/Codex and Claude packaging at their dedicated MCP profiles
• add a Claude-specific skill with explicit user-request routing
• replace default-product routing language with neutral capability descriptions
• document separate OpenAI and Anthropic submission requirements

Why

The two directories review tools and agent instructions differently. Platform-specific packaging lets Macaly keep the full universal MCP while presenting each store with scoped, accurate instructions and safety metadata.

What changed

• add .mcp.claude.json and wire the Claude plugin manifest to the Claude endpoint
• add skills-claude/build-app-on-macaly
• scope routing to explicit requests to use Macaly
• update command and skill guidance to use run_project_command
• update OpenAI submission documentation and add an Anthropic submission checklist
• replace the sample snake-game prompt with a realistic feedback-dashboard use case

Impact

Direct and marketplace installations retain the complete app-building workflow. Store-specific packages no longer rely on aggressive routing language or iframe rendering.

Related work

• MAC-1442 — Check connection requirements for OpenAI for our MCP
• depends on the matching platform-profile backend PR

Verification

• pnpm run build
• claude plugin validate plugins/macaly-code
• git diff --check

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[chatgpt-codex-connector]

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[petrbrzek]

Addressed and resolved the previous review findings in 0a99f32. Please re-review the current head.

@greptileai
@codex review

[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 0a99f32d97

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