fix Rails API contract handling

[jessehanley]

Summary

• Align local MCP sequence IDs and automation output with Rails responses.
• Add broadcast status and page filters.
• Refresh MCPB metadata and bundle output.

Test plan

• bun test
• npm run typecheck
• npm run lint
• npm run bundle

Made with Cursor

[cursor]

Risk: medium. Approved based on passing CI checks and updated test coverage for the Rails API contract alignment changes. No reviewers assigned.

  

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