Fix thinking-block code blocks displaying wrong colors in web UI
Session from pi-mono-sessions on Hugging Face by thomasmustier · MIT · condensed by Coders Talk
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9msession
1interventions
GOAL
Diagnose why triple-backtick code blocks inside the 'thinking' section of the chat UI rendered with normal (non-italic, partly green) styling instead of the expected muted/italic treatment, and fix it.
- +0Prompt · +0Diagnose why ``` code blocks in thinking text display weirdly (not italicized, partly green) even though thinking toggle still works correctly.
- +0mAgent did · +0mExplored repo structure, traced markdown-block rendering through ThinkingBlock.ts, Messages.ts, mini-lit's MarkdownBlock/CodeBlock components and theme CSS to find that code blocks use hljs/text-foreground styling that overrides the thinking block's muted/italic look.
- +2mAgent did · +2mAdded CSS overrides in packages/web-ui/src/app.css scoping code block colors/highlight spans inside .thinking-block to inherit muted/italic styling; ran npm run check to verify.
- +5mPrompt · +5mOpen a new branch, commit with a descriptive message, and push to tmustier/pi-mono.
- +5mAgent did · +5mCreated branch fix/thinking-codeblock-display, committed app.css change as 'fix(web-ui): mute thinking code blocks', and pushed to fork remote (tmustier/pi-mono).
- Break · 1h 17m away, not counted
- +6mPrompt · +6mIt actually works fine now — can we check if upstream pushed a fix?
- +6mFail · +6mAfter fetching upstream (badlogic/pi-mono), diff showed app.css was already identical to upstream/main, meaning the local fix was redundant — upstream had already resolved the issue.
- +8mIntervention · +8mAgent found unrelated uncommitted local changes in other files while cleaning up and paused to ask how to handle them; developer said to ignore them since they weren't made by the agent.Why: Those edits weren't from this session so I didn't want them touched or committed by mistake.
- +9mAgent did · +9mSwitched back to main, deleted the local and remote fix/thinking-codeblock-display branches to clean up the redundant work.
- Break · 76h 39m away, not counted
- +9mOutcome · +9mNo fix needed in the end — upstream (badlogic/pi-mono) had already resolved the issue; branch and PR were deleted, leaving the repo back on main.
VERDICT
Next time I'd check upstream for a recent fix before diving into diagnosis and pushing a branch — it turned out badlogic/pi-mono had already patched this exact issue. The agent's investigation into the CSS/markdown rendering chain was solid, but the real correction that mattered was catching the unrelated local file changes during cleanup and telling it to leave them alone.