fix(tui): hide whitespace-only thinking from the transcript - #1829
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Models occasionally stream whitespace-only thinking (e.g. a single space). It starts a thinking draft that renders as a bare bullet line, both while streaming and when replaying session history. Skip whitespace-only thinking deltas before they create a draft, and skip whitespace-only think text at the component funnel so stored whitespace think parts never render on replay. Stored thinking is still replayed verbatim to the model.
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Jul 17, 2026
…AI#1829) Models occasionally stream whitespace-only thinking (e.g. a single space). It starts a thinking draft that renders as a bare bullet line, both while streaming and when replaying session history. Skip whitespace-only thinking deltas before they create a draft, and skip whitespace-only think text at the component funnel so stored whitespace think parts never render on replay. Stored thinking is still replayed verbatim to the model.
7723qqq
pushed a commit
to 7723qqq/kimi-code
that referenced
this pull request
Jul 17, 2026
…AI#1829) Models occasionally stream whitespace-only thinking (e.g. a single space). It starts a thinking draft that renders as a bare bullet line, both while streaming and when replaying session history. Skip whitespace-only thinking deltas before they create a draft, and skip whitespace-only think text at the component funnel so stored whitespace think parts never render on replay. Stored thinking is still replayed verbatim to the model.
ywh114
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Jul 19, 2026
…AI#1829) Models occasionally stream whitespace-only thinking (e.g. a single space). It starts a thinking draft that renders as a bare bullet line, both while streaming and when replaying session history. Skip whitespace-only thinking deltas before they create a draft, and skip whitespace-only think text at the component funnel so stored whitespace think parts never render on replay. Stored thinking is still replayed verbatim to the model.
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Related Issue
No linked issue. This fixes a rendering artifact reported from a real session: stray bullet lines containing only spaces appearing between tool calls.
Problem
Models occasionally stream whitespace-only thinking (e.g. a single space as the entire thinking content of a step). The TUI created a thinking draft/component for it, which renders as a stray bullet followed by a line padded with spaces — visible both while streaming and when replaying session history on resume. The space slips past the text component's blank check because the thinking text is wrapped in ANSI styling before the check runs, so the styled string is never whitespace-only after trimming.
What changed
Checklist
gen-changesetsskill, or this PR needs no changeset.gen-docsskill, or this PR needs no doc update.