6 stream state tests for completed, backward compat, generating_subquestion, null sources, lifecycle, and reset. 7 type tests for SubQuestionSources shape, discriminated union narrowing, and QueryResponse. 8 ResponsePanel tests for per-subq sections, source scoping, backward compat flat rendering, copy button, skeletons, and empty states. 7 citationParser tests for per-subq lookup, cross-section isolation, and processCitationsForSubq. 2 e2e tests for per-subq SSE display and progressive generation.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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