# KIMU 5.2.0 chat and feature-shell build scope

Controlling source: KIMU 5.2.0 Increment 38 Comprehensive Technical Build Specification R2, published 29 July 2026.

## Acceptance target

1. Preserve the complete operational chat foundation.
2. Preserve switchable K2.6 and K2.7 Code model profiles and adaptive settings.
3. Add mobile-first navigation for Chat, Create, Library, Tasks and Settings.
4. Add a visible placeholder for every locked feature module and major supporting subsystem.
5. Label every unimplemented capability truthfully and prevent placeholder controls from implying execution.
6. Add attachment and hidden administration placeholder surfaces.
7. Preserve fully vendored React output and offline app-shell caching.
8. Add automated catalogue completeness tests.

## Explicit non-claim

This increment does not implement file upload, RAG, tools, agents, workers, Code Interpreter, creative media generation, voice services, evaluation, batch, fine-tuning, backup/restore or production deployment. Their interfaces are placeholders only.