Function createCollapsedGroup

src/utils/collapseReadSearch.ts:661–752

(
  group: GroupAccumulator,
)

}

function createCollapsedGroup(
  group: GroupAccumulator,
): CollapsedReadSearchGroup {
  const firstMsg = group.messages[0]!
  // When file-path-based reads exist, use unique file count (Set.size) only.
  // Adding bash operation count on top would double-count — e.g. Read(README.md)
  // followed by Bash(wc -l README.md) should still show as 1 file, not 2.
  // Fall back to operation count only when there are no file-path reads (bash-only).
  const totalReadCount =
    group.readFilePaths.size > 0
      ? group.readFilePaths.size
      : group.readOperationCount
  // memoryReadFilePaths ⊆ readFilePaths (both populated from Read tool calls),
  // so this count is safe to subtract from totalReadCount at readCount below.
  // Absorbed relevant_memories attachments are NOT in readFilePaths — added
  // separately after the subtraction so readCount stays correct.
  const toolMemoryReadCount = group.memoryReadFilePaths.size
  const memoryReadCount =
    toolMemoryReadCount + (group.relevantMemories?.length ?? 0)
  // Non-memory read file paths: exclude memory and team memory paths
  const teamMemReadPaths = feature('TEAMMEM')
    ? group.teamMemoryReadFilePaths
    : undefined
  const nonMemReadFilePaths = [...group.readFilePaths].filter(
    p =>
      !group.memoryReadFilePaths.has(p) && !(teamMemReadPaths?.has(p) ?? false),
  )
  const teamMemSearchCount = feature('TEAMMEM')
    ? (group.teamMemorySearchCount ?? 0)
    : 0
  const teamMemReadCount = feature('TEAMMEM')
    ? (group.teamMemoryReadFilePaths?.size ?? 0)
    : 0
  const teamMemWriteCount = feature('TEAMMEM')
    ? (group.teamMemoryWriteCount ?? 0)
    : 0
  const result: CollapsedReadSearchGroup = {
    type: 'collapsed_read_search',
    // Subtract memory + team memory counts so regular counts only reflect non-memory operations
    searchCount: Math.max(
      0,
      group.searchCount - group.memorySearchCount - teamMemSearchCount,
    ),
    readCount: Math.max(
      0,
      totalReadCount - toolMemoryReadCount - teamMemReadCount,
    ),
    listCount: group.listCount,
    // REPL operations are intentionally not collapsed (see isCollapsible: false at line 32),
    // so replCount in collapsed groups is always 0. The replCount field is kept for
    // sub-agent progress display in AgentTool/UI.tsx which has a separate code path.
    replCount: 0,
    memorySearchCount: group.memorySearchCount,
    memoryReadCount,
    memoryWriteCount: group.memoryWriteCount,
    readFilePaths: nonMemReadFilePaths,
    searchArgs: group.nonMemSearchArgs,
    latestDisplayHint: group.latestDisplayHint,