Agentcrumbs debug tracing added to development workflow

Print debugging often clutters commits and leaks into production code. The repository now includes Agentcrumbs, a tool for temporary debug tracing. Developers can drop marker comments into their code, tail the resulting traces live from the CLI, and strip all instrumentation automatically before merging.

Debug scaffolding is kept strictly separated from production code. This lets developers instrument local execution paths without creating cleanup work for themselves or noisy diffs for PR reviewers. The integration is configured at the workspace root and explicitly bundled into the primary Remix web application.