Function getToolSearchOrReadInfo

src/utils/collapseReadSearch.ts:163–258

(
  toolName: string,
  toolInput: unknown,
  tools: Tools,
)

 * Returns detailed information about whether it's a search or read operation.
 */
export function getToolSearchOrReadInfo(
  toolName: string,
  toolInput: unknown,
  tools: Tools,
): SearchOrReadResult {
  // REPL is absorbed silently — its inner tool calls are emitted as virtual
  // messages (isVirtual: true) via newMessages and flow through this function
  // as regular Read/Grep/Bash messages. The REPL wrapper itself contributes
  // no counts and doesn't break the group, so consecutive REPL calls merge.
  if (toolName === REPL_TOOL_NAME) {
    return {
      isCollapsible: true,
      isSearch: false,
      isRead: false,
      isList: false,
      isREPL: true,
      isMemoryWrite: false,
      isAbsorbedSilently: true,
    }
  }

  // Memory file writes/edits are collapsible
  if (isMemoryWriteOrEdit(toolName, toolInput)) {
    return {
      isCollapsible: true,
      isSearch: false,
      isRead: false,
      isList: false,
      isREPL: false,
      isMemoryWrite: true,
      isAbsorbedSilently: false,
    }
  }

  // Meta-operations absorbed silently: Snip (context cleanup) and ToolSearch
  // (lazy tool schema loading). Neither should break a collapse group or
  // contribute to its count, but both stay visible in verbose mode.
  if (
    (feature('HISTORY_SNIP') && toolName === SNIP_TOOL_NAME) ||
    (isFullscreenEnvEnabled() && toolName === TOOL_SEARCH_TOOL_NAME)
  ) {
    return {
      isCollapsible: true,
      isSearch: false,
      isRead: false,
      isList: false,
      isREPL: false,
      isMemoryWrite: false,
      isAbsorbedSilently: true,
    }
  }

  // Fallback to REPL primitives: in REPL mode, Bash/Read/Grep/etc. are
  // stripped from the execution tools list, but REPL emits them as virtual
  // messages. Without the fallback they'd return isCollapsible: false and
  // vanish from the summary line.
  const tool =
    findToolByName(tools, toolName) ??