Function applyWindow

apps/sim/lib/copilot/tools/handlers/vfs.ts:226–236

(result: T)

    const offset = parseOptionalNumber(params.offset)
    const limit = parseOptionalNumber(params.limit)
    const applyWindow = <T extends { content: string; totalLines: number }>(result: T): T => {
      if (offset === undefined && limit === undefined) return result
      const lines = result.content.split('\n')
      const start = Math.max(0, Math.min(result.totalLines, offset ?? 0))
      const endRaw = limit !== undefined ? start + Math.max(0, limit) : result.totalLines
      const end = Math.max(start, Math.min(result.totalLines, endRaw))
      return {
        ...result,
        content: lines.slice(start, end).join('\n'),
      }
    }

    // Handle chat-scoped uploads via the uploads/ virtual prefix.
    // Uploads are flat and have no metadata/content split like files/ — the upload