Adds a reference doc covering production patterns for multi-view MCP apps
that go beyond single-purpose widgets. Patterns distilled from building
nashville-charts-app, generalized with placeholder examples.
Covers: single-resource action dispatch, model context updates, teardown
guards, bidirectional tool calls, Vite+esbuild build pipeline, dual
transport (HTTP+stdio), debugging tips, prompt orchestration.
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
