Function renderMessageRow

src/components/Messages.tsx:614–637

(msg_8: RenderableMessage, index: number)

  }, [progress]);
  const messageKey = useCallback((msg_7: RenderableMessage) => `${msg_7.uuid}-${conversationId}`, [conversationId]);
  const renderMessageRow = (msg_8: RenderableMessage, index: number) => {
    const prevType = index > 0 ? renderableMessages[index - 1]?.type : undefined;
    const isUserContinuation = msg_8.type === 'user' && prevType === 'user';
    // hasContentAfter is only consumed for collapsed_read_search groups;
    // skip the scan for everything else. streamingText is rendered as a
    // sibling after this map, so it's never in renderableMessages — OR it
    // in explicitly so the group flips to past tense as soon as text starts
    // streaming instead of waiting for the block to finalize.
    const hasContentAfter = msg_8.type === 'collapsed_read_search' && (!!streamingText || hasContentAfterIndex(renderableMessages, index, tools, streamingToolUseIDs));
    const k_0 = messageKey(msg_8);
    const row = <MessageRow key={k_0} message={msg_8} isUserContinuation={isUserContinuation} hasContentAfter={hasContentAfter} tools={tools} commands={commands} verbose={verbose || isItemExpanded(msg_8) || cursor?.expanded === true && index === selectedIdx} inProgressToolUseIDs={inProgressToolUseIDs} streamingToolUseIDs={streamingToolUseIDs} screen={screen} canAnimate={canAnimate} onOpenRateLimitOptions={onOpenRateLimitOptions} lastThinkingBlockId={lastThinkingBlockId} latestBashOutputUUID={latestBashOutputUUID} columns={columns} isLoading={isLoading} lookups={lookups_0} />;

    // Per-row Provider — only 2 rows re-render on selection change.
    // Wrapped BEFORE divider branch so both return paths get it.
    const wrapped = <MessageActionsSelectedContext.Provider key={k_0} value={index === selectedIdx}>
        {row}
      </MessageActionsSelectedContext.Provider>;
    if (unseenDivider && index === dividerBeforeIndex) {
      return [<Box key="unseen-divider" marginTop={1}>
          <Divider title={`${unseenDivider.count} new ${plural(unseenDivider.count, 'message')}`} width={columns} color="inactive" />
        </Box>, wrapped];
    }
    return wrapped;
  };

  // Search indexing: for tool_result messages, look up the Tool and use
  // its extractSearchText — tool-owned, precise, matches what