From 43d508f527f83f41d0b05109853d9a9c0d2e8fdc Mon Sep 17 00:00:00 2001
From: super <2903208875@qq.com>
Date: Thu, 19 Mar 2026 23:07:10 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4=E6=96=B0=E5=A2=9E=E5=86=85?=
 =?UTF-8?q?=E5=AE=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 desktop/__pycache__/app.cpython-312.pyc       | Bin 18161 -> 44478 bytes
 desktop/app.py                                | 672 ++++++++++++++++++
 desktop/requirements.txt                      |   1 +
 desktop/txt_templates.json                    |  95 +++
 .../brand/components/BrandConvertTab.vue      | 411 +++++++++++
 .../pages/brand/components/BrandDedupeTab.vue | 390 ++++++++++
 .../pages/brand/components/BrandSplitTab.vue  | 402 +++++++++++
 frontend-vue/src/pages/brand/index.vue        | 119 ++--
 frontend-vue/src/shared/bridges/pywebview.ts  | 105 +++
 9 files changed, 2138 insertions(+), 57 deletions(-)
 create mode 100644 desktop/txt_templates.json
 create mode 100644 frontend-vue/src/pages/brand/components/BrandConvertTab.vue
 create mode 100644 frontend-vue/src/pages/brand/components/BrandDedupeTab.vue
 create mode 100644 frontend-vue/src/pages/brand/components/BrandSplitTab.vue

diff --git a/desktop/__pycache__/app.cpython-312.pyc b/desktop/__pycache__/app.cpython-312.pyc
index e0a3df304e08b3e6f861eb8844f6a1742ebf591c..ba952b6961a76c74150af981ddcfbac5f71bcbe2 100644
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diff --git a/desktop/app.py b/desktop/app.py
index 59116b4..e2b1c52 100644
--- a/desktop/app.py
+++ b/desktop/app.py
@@ -2,16 +2,21 @@ from __future__ import annotations
 
 import argparse
 import contextlib
+import json
 import mimetypes
 import os
+import re
 import socket
+import subprocess
 import threading
+import time
 from dataclasses import dataclass
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from pathlib import Path
 from tkinter import Tk, filedialog
 from typing import Iterable
 from urllib.parse import urljoin
+from uuid import uuid4
 
 try:
     import requests
@@ -29,12 +34,63 @@ except ModuleNotFoundError as exc:
         "请先执行：python -m pip install -r .\\desktop\\requirements.txt"
     ) from exc
 
+try:
+    from openpyxl import load_workbook
+except ModuleNotFoundError as exc:
+    raise SystemExit(
+        "缺少依赖 openpyxl。\n"
+        "请先执行：python -m pip install -r .\\desktop\\requirements.txt"
+    ) from exc
+
 
 ROOT_DIR = Path(__file__).resolve().parents[1]
 FRONTEND_DIR = ROOT_DIR / "frontend-vue"
 DIST_DIR = FRONTEND_DIR / "dist"
 INDEX_FILE = DIST_DIR / "index.html"
 PROXY_PREFIXES = ("/api", "/login", "/logout", "/static")
+TEMPLATE_STORE_PATH = ROOT_DIR / "desktop" / "txt_templates.json"
+TXT_TEMPLATES = {
+    "uk_offer": {
+        "id": "uk_offer",
+        "label": "英国 Offer 模板",
+        "output_filename": "英国.txt",
+        "is_default": True,
+        "built_in": True,
+        "preamble_lines": ["TemplateType=Offer\tVersion=1.4"],
+        "header_columns": [
+            "sku",
+            "price",
+            "quantity",
+            "product-id",
+            "product-id-type",
+            "condition-type",
+            "condition-note",
+            "ASIN-hint",
+            "title",
+            "product-tax-code",
+            "operation-type",
+            "sale-price",
+            "sale-start-date",
+            "sale-end-date",
+            "leadtime-to-ship",
+            "launch-date",
+            "is-giftwrap-available",
+            "is-gift-message-available",
+        ],
+        "blank_header_rows_after_schema": 1,
+        "required_source_columns": ["ASIN", "价格"],
+        "defaults": {
+            "quantity": "100",
+            "product-id-type": "ASIN",
+            "condition-type": "new",
+            "leadtime-to-ship": "4",
+        },
+        "field_mapping": {
+            "price": "价格",
+            "product-id": "ASIN",
+        },
+    }
+}
 
 
 def find_free_port() -> int:
@@ -67,6 +123,120 @@ def run_file_dialog(fn):
         root.destroy()
 
 
+def normalize_cell_text(value: object) -> str:
+    if value is None:
+        return ""
+    text = str(value).replace("\ufeff", "").replace("\u3000", " ")
+    text = text.replace("\r\n", " ").replace("\r", " ").replace("\n", " ").replace("\t", " ")
+    text = re.sub(r"\s+", " ", text)
+    return text.strip()
+
+
+def build_output_path(output_dir: str, source_path: str) -> str:
+    source = Path(source_path)
+    candidate = Path(output_dir) / f"{source.stem}_cleaned{source.suffix}"
+    index = 2
+    while candidate.exists():
+        candidate = Path(output_dir) / f"{source.stem}_cleaned_{index}{source.suffix}"
+        index += 1
+    return str(candidate)
+
+
+def build_named_output_path(output_dir: str, filename: str) -> str:
+    candidate = Path(output_dir) / filename
+    if not candidate.exists():
+        return str(candidate)
+    stem = candidate.stem
+    suffix = candidate.suffix
+    index = 2
+    while True:
+        next_candidate = Path(output_dir) / f"{stem}_{index}{suffix}"
+        if not next_candidate.exists():
+            return str(next_candidate)
+        index += 1
+
+
+def should_keep_id(value: object, keep_integer_ids: bool, keep_underscore_ids: bool) -> bool:
+    text = normalize_cell_text(value)
+    if not text:
+        return False
+    if keep_integer_ids and text.isdigit():
+        return True
+    if keep_underscore_ids and re.fullmatch(r"\d+_\d+", text):
+        return True
+    return False
+
+
+def generate_snowflake_like_id() -> int:
+    return int(time.time() * 1000)
+
+
+def load_user_templates() -> tuple[dict[str, dict], str | None]:
+    if not TEMPLATE_STORE_PATH.exists():
+        return {}, None
+    try:
+        payload = json.loads(TEMPLATE_STORE_PATH.read_text(encoding="utf-8"))
+        templates = payload.get("templates") or {}
+        default_template_id = payload.get("default_template_id")
+        return templates, default_template_id
+    except Exception:
+        return {}, None
+
+
+def save_user_templates(templates: dict[str, dict], default_template_id: str | None) -> None:
+    payload = {
+        "default_template_id": default_template_id,
+        "templates": templates,
+    }
+    TEMPLATE_STORE_PATH.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
+
+
+def build_effective_templates() -> tuple[dict[str, dict], str]:
+    builtins = {key: dict(value) for key, value in TXT_TEMPLATES.items()}
+    user_templates, persisted_default = load_user_templates()
+    templates = {**builtins, **user_templates}
+    default_template_id = persisted_default or next((key for key, value in builtins.items() if value.get("is_default")), "uk_offer")
+    for key, value in templates.items():
+        value["is_default"] = key == default_template_id
+    return templates, default_template_id
+
+
+def recognize_txt_template(template_text: str, custom_name: str | None = None) -> dict | None:
+    lines = [line.rstrip("\n") for line in template_text.splitlines()]
+    non_empty_lines = [line for line in lines if line.strip()]
+    if len(non_empty_lines) < 2:
+        return None
+
+    first_line = non_empty_lines[0]
+    header_line = non_empty_lines[1]
+    header_columns = header_line.split("\t")
+    uk_template = TXT_TEMPLATES["uk_offer"]
+
+    if not first_line.startswith("TemplateType=Offer"):
+        return None
+    if header_columns != uk_template["header_columns"]:
+        return None
+
+    template_id = f"user_{int(time.time() * 1000)}"
+    output_filename = custom_name or Path("英国.txt").name
+    if not output_filename.endswith(".txt"):
+        output_filename = f"{output_filename}.txt"
+
+    return {
+        "id": template_id,
+        "label": custom_name or "自定义 Offer 模板",
+        "output_filename": output_filename,
+        "is_default": False,
+        "built_in": False,
+        "preamble_lines": [first_line],
+        "header_columns": header_columns,
+        "blank_header_rows_after_schema": 1,
+        "required_source_columns": ["ASIN", "价格"],
+        "defaults": dict(uk_template["defaults"]),
+        "field_mapping": dict(uk_template["field_mapping"]),
+    }
+
+
 @dataclass
 class DesktopConfig:
     mode: str
@@ -93,12 +263,514 @@ class DesktopApi:
         )
         return list(files)
 
+    def select_clean_xlsx_files(self) -> list[str]:
+        files = run_file_dialog(
+            lambda _root: filedialog.askopenfilenames(
+                title="选择待清洗 Excel 文件",
+                filetypes=[("Excel files", "*.xlsx")],
+            )
+        )
+        return list(files)
+
     def select_brand_folder(self) -> str | None:
         folder = run_file_dialog(
             lambda _root: filedialog.askdirectory(title="选择文件夹")
         )
         return folder or None
 
+    def select_clean_folder(self) -> str | None:
+        folder = run_file_dialog(
+            lambda _root: filedialog.askdirectory(title="选择待清洗文件夹")
+        )
+        return folder or None
+
+    def get_excel_headers(self, file_path: str) -> dict:
+        try:
+            workbook = load_workbook(file_path, read_only=True, data_only=True)
+            sheet = workbook[workbook.sheetnames[0]]
+            first_row = next(sheet.iter_rows(min_row=1, max_row=1, values_only=True), None)
+            workbook.close()
+            if not first_row:
+                return {"success": False, "error": "Excel 表头为空"}
+
+            headers: list[str] = []
+            seen: set[str] = set()
+            for cell in first_row:
+                if cell is None:
+                    continue
+                raw_value = str(cell).replace("\ufeff", "").strip()
+                if not raw_value:
+                    continue
+                value = raw_value.split("idASIN国家状态价格变体数量", 1)[0].strip() or raw_value
+                if value in seen:
+                    continue
+                seen.add(value)
+                headers.append(value)
+                if value == "缩略图地址8":
+                    break
+
+            if not headers:
+                return {"success": False, "error": "未读取到有效表头"}
+            return {"success": True, "headers": headers}
+        except Exception as exc:  # noqa: BLE001
+            return {"success": False, "error": str(exc)}
+
+    def get_excel_info(self, file_path: str) -> dict:
+        try:
+            workbook = load_workbook(file_path, read_only=True, data_only=True)
+            sheet = workbook[workbook.sheetnames[0]]
+            first_row = next(sheet.iter_rows(min_row=1, max_row=1, values_only=True), None)
+            if not first_row:
+                workbook.close()
+                return {"success": False, "error": "Excel 表头为空"}
+
+            headers: list[str] = []
+            seen: set[str] = set()
+            for cell in first_row:
+                if cell is None:
+                    continue
+                raw_value = str(cell).replace("\ufeff", "").strip()
+                if not raw_value:
+                    continue
+                value = raw_value.split("idASIN国家状态价格变体数量", 1)[0].strip() or raw_value
+                if value in seen:
+                    continue
+                seen.add(value)
+                headers.append(value)
+                if value == "缩略图地址8":
+                    break
+
+            total_rows = max(sheet.max_row - 1, 0)
+            workbook.close()
+            return {"success": True, "headers": headers, "total_rows": total_rows}
+        except Exception as exc:  # noqa: BLE001
+            return {"success": False, "error": str(exc)}
+
+    def list_txt_templates(self) -> list[dict]:
+        templates, _default_template_id = build_effective_templates()
+        return [
+            {
+                "id": template["id"],
+                "label": template["label"],
+                "output_filename": template["output_filename"],
+                "is_default": template.get("is_default", False),
+                "built_in": template.get("built_in", False),
+            }
+            for template in templates.values()
+        ]
+
+    def import_txt_template(self, name: str | None = None) -> dict:
+        file_path = run_file_dialog(
+            lambda _root: filedialog.askopenfilename(
+                title="选择 txt 模板文件",
+                filetypes=[("TXT files", "*.txt")],
+            )
+        )
+        if not file_path:
+            return {"success": False, "error": "用户取消"}
+
+        try:
+            template_text = Path(file_path).read_text(encoding="utf-8")
+        except UnicodeDecodeError:
+            template_text = Path(file_path).read_text(encoding="utf-8-sig")
+        except Exception as exc:  # noqa: BLE001
+            return {"success": False, "error": str(exc)}
+
+        template = recognize_txt_template(template_text, (name or "").strip() or None)
+        if not template:
+            return {"success": False, "error": "无法识别模板"}
+
+        user_templates, default_template_id = load_user_templates()
+        user_templates[template["id"]] = template
+        save_user_templates(user_templates, default_template_id)
+
+        return {
+            "success": True,
+            "template": {
+                "id": template["id"],
+                "label": template["label"],
+                "output_filename": template["output_filename"],
+                "is_default": False,
+                "built_in": False,
+            },
+        }
+
+    def set_default_txt_template(self, template_id: str) -> dict:
+        templates, _default_template_id = build_effective_templates()
+        if template_id not in templates:
+            return {"success": False, "error": "模板不存在"}
+
+        user_templates, _ = load_user_templates()
+        save_user_templates(user_templates, template_id)
+        return {"success": True}
+
+    def split_excel_files(self, payload: dict) -> dict:
+        paths = payload.get("paths") or []
+        selected_columns = payload.get("selected_columns") or []
+        split_mode = payload.get("split_mode") or "rows_per_file"
+        rows_per_file = payload.get("rows_per_file")
+        parts = payload.get("parts")
+        output_dir = payload.get("output_dir") or ""
+
+        if not isinstance(paths, list) or not paths:
+            return {"success": False, "error": "未选择待拆分文件"}
+        if not isinstance(selected_columns, list) or not selected_columns:
+            return {"success": False, "error": "请至少选择一列"}
+        if split_mode not in {"rows_per_file", "parts"}:
+            return {"success": False, "error": "拆分模式不合法"}
+        if split_mode == "rows_per_file" and (not isinstance(rows_per_file, int) or rows_per_file <= 0):
+            return {"success": False, "error": "每份条数不合法"}
+        if split_mode == "parts" and (not isinstance(parts, int) or parts <= 0):
+            return {"success": False, "error": "拆分份数不合法"}
+        if not output_dir:
+            return {"success": False, "error": "未选择输出目录"}
+
+        output_dir_path = Path(output_dir)
+        if not output_dir_path.exists() or not output_dir_path.is_dir():
+            return {"success": False, "error": "输出目录不存在"}
+
+        items: list[dict] = []
+        success_count = 0
+        failed_count = 0
+
+        for path in paths:
+            try:
+                workbook = load_workbook(path)
+                sheet = workbook[workbook.sheetnames[0]]
+                header_cells = next(sheet.iter_rows(min_row=1, max_row=1))
+                header_map: dict[str, int] = {}
+                for index, cell in enumerate(header_cells):
+                    value = normalize_cell_text(cell.value)
+                    if not value:
+                        continue
+                    value = value.split("idASIN国家状态价格变体数量", 1)[0].strip() or value
+                    if value in header_map:
+                        continue
+                    header_map[value] = index
+                    if value == "缩略图地址8":
+                        break
+
+                missing = [column for column in selected_columns if column not in header_map]
+                if missing:
+                    workbook.close()
+                    items.append({
+                        "source_path": path,
+                        "success": False,
+                        "error": f"缺少列：{'、'.join(missing)}",
+                    })
+                    failed_count += 1
+                    continue
+
+                rows_data: list[list[str]] = []
+                for row in sheet.iter_rows(min_row=2, values_only=True):
+                    projected = [
+                        normalize_cell_text(row[header_map[column]]) if header_map[column] < len(row) else ""
+                        for column in selected_columns
+                    ]
+                    rows_data.append(projected)
+
+                total_rows = len(rows_data)
+                if total_rows == 0:
+                    workbook.close()
+                    items.append({
+                        "source_path": path,
+                        "success": False,
+                        "error": "没有可拆分的数据行",
+                    })
+                    failed_count += 1
+                    continue
+
+                if split_mode == "rows_per_file":
+                    chunk_size = rows_per_file
+                    chunks = [rows_data[i : i + chunk_size] for i in range(0, total_rows, chunk_size)]
+                else:
+                    actual_parts = min(parts, total_rows)
+                    base = total_rows // actual_parts
+                    remainder = total_rows % actual_parts
+                    chunks = []
+                    start = 0
+                    for idx in range(actual_parts):
+                        size = base + (1 if idx < remainder else 0)
+                        end = start + size
+                        chunks.append(rows_data[start:end])
+                        start = end
+
+                from openpyxl import Workbook
+
+                source = Path(path)
+                for index, chunk in enumerate(chunks, start=1):
+                    output_workbook = Workbook()
+                    output_sheet = output_workbook.active
+                    output_sheet.title = sheet.title
+                    output_sheet.append(selected_columns)
+                    for row_values in chunk:
+                        output_sheet.append(row_values)
+
+                    output_path = build_named_output_path(output_dir, f"{source.stem}_split_{index}.xlsx")
+                    output_workbook.save(output_path)
+                    output_workbook.close()
+
+                    items.append({
+                        "source_path": path,
+                        "output_path": output_path,
+                        "success": True,
+                        "row_count": len(chunk),
+                    })
+
+                workbook.close()
+                success_count += 1
+            except Exception as exc:  # noqa: BLE001
+                items.append({
+                    "source_path": path,
+                    "success": False,
+                    "error": str(exc),
+                })
+                failed_count += 1
+
+        return {
+            "success": True,
+            "summary": {
+                "total": len(paths),
+                "success_count": success_count,
+                "failed_count": failed_count,
+                "output_dir": str(output_dir_path),
+            },
+            "items": items,
+        }
+
+    def clean_excel_files(self, payload: dict) -> dict:
+        paths = payload.get("paths") or []
+        selected_columns = payload.get("selected_columns") or []
+        keep_integer_ids = bool(payload.get("keep_integer_ids", True))
+        keep_underscore_ids = bool(payload.get("keep_underscore_ids", True))
+        output_dir = payload.get("output_dir") or ""
+
+        if not isinstance(paths, list) or not paths:
+            return {"success": False, "error": "未选择待处理文件"}
+        if not isinstance(selected_columns, list) or not selected_columns:
+            return {"success": False, "error": "请至少选择一列"}
+        if not keep_integer_ids and not keep_underscore_ids:
+            return {"success": False, "error": "请至少选择一种 ID 保留规则"}
+        if not output_dir:
+            return {"success": False, "error": "未选择输出目录"}
+
+        output_dir_path = Path(output_dir)
+        if not output_dir_path.exists() or not output_dir_path.is_dir():
+            return {"success": False, "error": "输出目录不存在"}
+
+        items: list[dict] = []
+        success_count = 0
+        failed_count = 0
+
+        for path in paths:
+            try:
+                workbook = load_workbook(path)
+                sheet = workbook[workbook.sheetnames[0]]
+                header_cells = next(sheet.iter_rows(min_row=1, max_row=1))
+                headers: list[str] = []
+                header_map: dict[str, int] = {}
+                for index, cell in enumerate(header_cells):
+                    value = normalize_cell_text(cell.value)
+                    if not value:
+                        continue
+                    value = value.split("idASIN国家状态价格变体数量", 1)[0].strip() or value
+                    if value in header_map:
+                        continue
+                    header_map[value] = index
+                    headers.append(value)
+                    if value == "缩略图地址8":
+                        break
+
+                missing = [column for column in selected_columns if column not in header_map]
+                if missing:
+                    workbook.close()
+                    items.append({
+                        "source_path": path,
+                        "success": False,
+                        "error": f"缺少列：{'、'.join(missing)}",
+                    })
+                    failed_count += 1
+                    continue
+
+                from openpyxl import Workbook
+
+                output_workbook = Workbook()
+                output_sheet = output_workbook.active
+                output_sheet.title = sheet.title
+                output_sheet.append(selected_columns)
+
+                id_column_index = header_map.get("id")
+
+                for row in sheet.iter_rows(min_row=2, values_only=True):
+                    original_values = list(row)
+                    if id_column_index is not None:
+                        id_value = original_values[id_column_index] if id_column_index < len(original_values) else None
+                        if not should_keep_id(id_value, keep_integer_ids, keep_underscore_ids):
+                            continue
+
+                    cleaned_values = [
+                        normalize_cell_text(original_values[header_map[column]])
+                        if header_map[column] < len(original_values)
+                        else ""
+                        for column in selected_columns
+                    ]
+                    output_sheet.append(cleaned_values)
+
+                output_path = build_output_path(output_dir, path)
+                output_workbook.save(output_path)
+                output_workbook.close()
+                workbook.close()
+
+                items.append({
+                    "source_path": path,
+                    "output_path": output_path,
+                    "success": True,
+                })
+                success_count += 1
+            except Exception as exc:  # noqa: BLE001
+                items.append({
+                    "source_path": path,
+                    "success": False,
+                    "error": str(exc),
+                })
+                failed_count += 1
+
+        return {
+            "success": True,
+            "summary": {
+                "total": len(paths),
+                "success_count": success_count,
+                "failed_count": failed_count,
+                "output_dir": str(output_dir_path),
+            },
+            "items": items,
+        }
+
+    def convert_excel_to_uk_txt(self, payload: dict) -> dict:
+        paths = payload.get("paths") or []
+        output_dir = payload.get("output_dir") or ""
+        template_id = payload.get("template_id") or "uk_offer"
+
+        if not isinstance(paths, list) or not paths:
+            return {"success": False, "error": "未选择待转换文件"}
+        if not output_dir:
+            return {"success": False, "error": "未选择输出目录"}
+
+        templates, _default_template_id = build_effective_templates()
+        template = templates.get(template_id)
+        if not template:
+            return {"success": False, "error": "模板不存在"}
+
+        output_dir_path = Path(output_dir)
+        if not output_dir_path.exists() or not output_dir_path.is_dir():
+            return {"success": False, "error": "输出目录不存在"}
+
+        items: list[dict] = []
+        success_count = 0
+        failed_count = 0
+
+        for path in paths:
+            try:
+                workbook = load_workbook(path, read_only=True, data_only=True)
+                sheet = workbook[workbook.sheetnames[0]]
+                header_row = next(sheet.iter_rows(min_row=1, max_row=1, values_only=True), None)
+                if not header_row:
+                    workbook.close()
+                    items.append({"source_path": path, "success": False, "error": 'Excel 表头为空'})
+                    failed_count += 1
+                    continue
+
+                header_map: dict[str, int] = {}
+                for index, cell in enumerate(header_row):
+                    value = normalize_cell_text(cell)
+                    if not value or value in header_map:
+                        continue
+                    header_map[value] = index
+
+                required = template["required_source_columns"]
+                missing = [column for column in required if column not in header_map]
+                if missing:
+                    workbook.close()
+                    items.append({
+                        "source_path": path,
+                        "success": False,
+                        "error": f"缺少列：{'、'.join(missing)}",
+                    })
+                    failed_count += 1
+                    continue
+
+                rows: list[str] = []
+                rows.extend(template["preamble_lines"])
+                rows.append('\t'.join(template["header_columns"]))
+                for _ in range(template.get("blank_header_rows_after_schema", 0)):
+                    rows.append('\t' * (len(template["header_columns"]) - 1))
+
+                batch_id = generate_snowflake_like_id()
+                row_index = 1
+                for row in sheet.iter_rows(min_row=2, values_only=True):
+                    line_values: list[str] = []
+                    asin = normalize_cell_text(row[header_map['ASIN']] if header_map['ASIN'] < len(row) else '')
+                    if not asin:
+                        continue
+
+                    for column in template["header_columns"]:
+                        if column == 'sku':
+                            line_values.append(f'{batch_id}-{row_index}')
+                            continue
+                        if column in template["field_mapping"]:
+                            source_column = template["field_mapping"][column]
+                            value = normalize_cell_text(row[header_map[source_column]] if header_map[source_column] < len(row) else '')
+                            line_values.append(value)
+                            continue
+                        if column in template["defaults"]:
+                            line_values.append(str(template["defaults"][column]))
+                            continue
+                        line_values.append('')
+
+                    rows.append('\t'.join(line_values))
+                    row_index += 1
+
+                output_path = build_named_output_path(output_dir, template["output_filename"])
+                Path(output_path).write_text('\n'.join(rows), encoding='utf-8')
+                workbook.close()
+
+                items.append({
+                    "source_path": path,
+                    "output_path": output_path,
+                    "success": True,
+                })
+                success_count += 1
+            except Exception as exc:  # noqa: BLE001
+                items.append({
+                    "source_path": path,
+                    "success": False,
+                    "error": str(exc),
+                })
+                failed_count += 1
+
+        return {
+            "success": True,
+            "summary": {
+                "total": len(paths),
+                "success_count": success_count,
+                "failed_count": failed_count,
+                "output_dir": str(output_dir_path),
+            },
+            "items": items,
+        }
+
+    def open_path(self, path: str) -> dict:
+        try:
+            if not path:
+                return {"success": False, "error": "路径为空"}
+            target = Path(path)
+            if not target.exists():
+                return {"success": False, "error": "路径不存在"}
+            os.startfile(str(target))
+            return {"success": True}
+        except Exception as exc:  # noqa: BLE001
+            return {"success": False, "error": str(exc)}
+
     def select_folder(self) -> str | None:
         folder = run_file_dialog(
             lambda _root: filedialog.askdirectory(title="选择文件夹")
diff --git a/desktop/requirements.txt b/desktop/requirements.txt
index 117978c..ce8b9a8 100644
--- a/desktop/requirements.txt
+++ b/desktop/requirements.txt
@@ -1,2 +1,3 @@
 pywebview>=5.1
 requests>=2.32.0
+openpyxl>=3.1.5
diff --git a/desktop/txt_templates.json b/desktop/txt_templates.json
new file mode 100644
index 0000000..8873222
--- /dev/null
+++ b/desktop/txt_templates.json
@@ -0,0 +1,95 @@
+{
+  "default_template_id": null,
+  "templates": {
+    "user_1773929220357": {
+      "id": "user_1773929220357",
+      "label": "自定义 Offer 模板",
+      "output_filename": "英国.txt",
+      "is_default": false,
+      "built_in": false,
+      "preamble_lines": [
+        "TemplateType=Offer\tVersion=1.4\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
+      ],
+      "header_columns": [
+        "sku",
+        "price",
+        "quantity",
+        "product-id",
+        "product-id-type",
+        "condition-type",
+        "condition-note",
+        "ASIN-hint",
+        "title",
+        "product-tax-code",
+        "operation-type",
+        "sale-price",
+        "sale-start-date",
+        "sale-end-date",
+        "leadtime-to-ship",
+        "launch-date",
+        "is-giftwrap-available",
+        "is-gift-message-available"
+      ],
+      "blank_header_rows_after_schema": 1,
+      "required_source_columns": [
+        "ASIN",
+        "价格"
+      ],
+      "defaults": {
+        "quantity": "100",
+        "product-id-type": "ASIN",
+        "condition-type": "new",
+        "leadtime-to-ship": "4"
+      },
+      "field_mapping": {
+        "price": "价格",
+        "product-id": "ASIN"
+      }
+    },
+    "user_1773929734779": {
+      "id": "user_1773929734779",
+      "label": "测试",
+      "output_filename": "测试.txt",
+      "is_default": false,
+      "built_in": false,
+      "preamble_lines": [
+        "TemplateType=Offer\tVersion=1.4\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
+      ],
+      "header_columns": [
+        "sku",
+        "price",
+        "quantity",
+        "product-id",
+        "product-id-type",
+        "condition-type",
+        "condition-note",
+        "ASIN-hint",
+        "title",
+        "product-tax-code",
+        "operation-type",
+        "sale-price",
+        "sale-start-date",
+        "sale-end-date",
+        "leadtime-to-ship",
+        "launch-date",
+        "is-giftwrap-available",
+        "is-gift-message-available"
+      ],
+      "blank_header_rows_after_schema": 1,
+      "required_source_columns": [
+        "ASIN",
+        "价格"
+      ],
+      "defaults": {
+        "quantity": "100",
+        "product-id-type": "ASIN",
+        "condition-type": "new",
+        "leadtime-to-ship": "4"
+      },
+      "field_mapping": {
+        "price": "价格",
+        "product-id": "ASIN"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/frontend-vue/src/pages/brand/components/BrandConvertTab.vue b/frontend-vue/src/pages/brand/components/BrandConvertTab.vue
new file mode 100644
index 0000000..cfc2de6
--- /dev/null
+++ b/frontend-vue/src/pages/brand/components/BrandConvertTab.vue
@@ -0,0 +1,411 @@
+<template>
+  <div class="main-content">
+    <aside class="left-panel">
+      <div class="section-title">选择文件</div>
+      <div class="upload-zone">
+        <div class="hint">选择需要转换的 Excel 文件或文件夹，将按所选模板生成 txt 文件。</div>
+        <div class="btns">
+          <button type="button" class="opt-btn" @click="selectConvertFiles">选择 Excel 文件</button>
+          <button type="button" class="opt-btn" @click="selectConvertFolder">选择文件夹</button>
+        </div>
+
+        <el-alert
+          v-if="!hasPywebviewSupport"
+          class="desktop-alert"
+          type="warning"
+          :closable="false"
+          title="当前环境未检测到 pywebview，文件选择与本地格式转换能力需要在桌面端使用。"
+        />
+
+        <div class="selected-files clean-placeholder">
+          <template v-if="convertSelectedPaths.length">
+            <span v-for="path in convertDisplayPaths" :key="path">{{ path }}</span>
+            <span v-if="convertSelectedPaths.length > convertDisplayPaths.length" class="more-line">
+              还有 {{ convertSelectedPaths.length - convertDisplayPaths.length }} 个文件未展开显示
+            </span>
+          </template>
+          <span v-else>暂未选择待转换文件</span>
+        </div>
+      </div>
+
+      <div class="section-title">模板选择</div>
+      <div class="template-toolbar">
+        <input v-model="convertTemplateName" class="template-name-input" type="text" placeholder="输入模板自定义名称（可选）" />
+        <button type="button" class="opt-btn small" @click="importConvertTemplate">上传模板</button>
+      </div>
+      <div class="option-group">
+        <label
+          v-for="template in convertTemplates"
+          :key="template.id"
+          class="radio-item"
+          :class="{ active: convertTemplateId === template.id }"
+        >
+          <input v-model="convertTemplateId" type="radio" :value="template.id" name="convert-template" />
+          <div>
+            <span class="label">
+              {{ template.label }}
+              <span v-if="template.is_default" class="template-tag">默认</span>
+              <span v-else-if="template.built_in" class="template-tag muted">内置</span>
+            </span>
+            <div class="desc">输出文件：{{ template.output_filename }}</div>
+          </div>
+        </label>
+      </div>
+      <div class="run-row compact-row">
+        <button type="button" class="opt-btn small" :disabled="!convertTemplateId" @click="setConvertDefaultTemplate">
+          设为默认模板
+        </button>
+      </div>
+
+      <div class="section-title">转换说明</div>
+      <div class="option-group">
+        <label class="radio-item active">
+          <input type="checkbox" checked disabled />
+          <div>
+            <span class="label">按当前模板输出</span>
+            <div class="desc">当前模板：{{ currentConvertTemplate?.label || '未加载模板' }}</div>
+          </div>
+        </label>
+
+        <label class="radio-item active">
+          <input type="checkbox" checked disabled />
+          <div>
+            <span class="label">SKU 使用雪花ID-序号</span>
+            <div class="desc">例如 1773816146796-1</div>
+          </div>
+        </label>
+      </div>
+
+      <div class="run-row">
+        <button type="button" class="btn-run" :disabled="convertRunning" @click="submitConvertRun">
+          {{ convertRunning ? '转换中...' : '开始转换' }}
+        </button>
+        <span class="loading-msg">
+          {{ convertRunning ? '正在生成英国.txt，请稍候…' : '选择文件后即可执行格式转换' }}
+        </span>
+      </div>
+    </aside>
+
+    <section class="right-panel">
+      <div class="panel-header">转换结果</div>
+
+      <div class="task-list-wrap">
+        <div class="clean-result-summary">
+          <div class="summary-card">
+            <span class="summary-label">已处理文件</span>
+            <strong>{{ convertSummary.total }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">成功结果</span>
+            <strong>{{ convertSummary.success_count }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">失败文件</span>
+            <strong>{{ convertSummary.failed_count }}</strong>
+          </div>
+        </div>
+
+        <div class="result-list-wrap">
+          <div class="result-list-header">
+            <span>生成的 txt 列表</span>
+            <button type="button" class="download-all" :disabled="!convertOutputDir" @click="openConvertOutputDir">
+              打开输出目录
+            </button>
+          </div>
+
+          <div v-if="convertResultItems.length === 0" class="empty-tasks">
+            暂无转换结果，完成格式转换后会在这里展示输出文件
+          </div>
+
+          <ul v-else class="task-list clean-result-list">
+            <li
+              v-for="item in convertResultItems"
+              :key="`${item.source_path}-${item.output_path || item.error || 'convert'}`"
+              class="task-item"
+            >
+              <div class="left">
+                <span class="id" :title="item.source_path">{{ shorten(item.source_path, 42) }}</span>
+                <div v-if="item.output_path" class="files">输出文件：{{ item.output_path }}</div>
+                <div v-else-if="item.error" class="files">错误信息：{{ item.error }}</div>
+              </div>
+
+              <div class="task-right">
+                <span class="status" :class="item.success ? 'success' : 'failed'">
+                  {{ item.success ? '已完成' : '失败' }}
+                </span>
+                <button
+                  v-if="item.success && item.output_path"
+                  type="button"
+                  class="download"
+                  @click="openConvertResult(item)"
+                >
+                  打开文件
+                </button>
+              </div>
+            </li>
+          </ul>
+        </div>
+      </div>
+    </section>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { expandBrandFolder } from '@/shared/api/brand'
+import { type ConvertTxtResultItem, type ConvertTxtTemplateItem, getPywebviewApi, hasPywebview } from '@/shared/bridges/pywebview'
+
+const hasPywebviewSupport = hasPywebview()
+const convertSelectedPaths = ref<string[]>([])
+const convertRunning = ref(false)
+const convertOutputDir = ref('')
+const convertResultItems = ref<ConvertTxtResultItem[]>([])
+const convertSummary = ref({ total: 0, success_count: 0, failed_count: 0 })
+const convertTemplates = ref<ConvertTxtTemplateItem[]>([])
+const convertTemplateId = ref('uk_offer')
+const convertTemplateName = ref('')
+const convertDisplayPaths = computed(() => convertSelectedPaths.value.slice(0, 8))
+const currentConvertTemplate = computed(
+  () => convertTemplates.value.find((item) => item.id === convertTemplateId.value) || null,
+)
+
+function shorten(value: string, maxLength: number) {
+  return value.length > maxLength ? `${value.slice(0, maxLength)}...` : value
+}
+
+function resetConvertResults() {
+  convertResultItems.value = []
+  convertSummary.value = { total: 0, success_count: 0, failed_count: 0 }
+  convertOutputDir.value = ''
+}
+
+async function loadConvertTemplates() {
+  const api = getPywebviewApi()
+  const templates = await api?.list_txt_templates?.()
+  convertTemplates.value = Array.isArray(templates) ? templates : []
+  const defaultTemplate = convertTemplates.value.find((item) => item.is_default)
+  if (defaultTemplate) {
+    convertTemplateId.value = defaultTemplate.id
+    return
+  }
+  if (convertTemplates.value.length && !convertTemplates.value.some((item) => item.id === convertTemplateId.value)) {
+    convertTemplateId.value = convertTemplates.value[0].id
+  }
+}
+
+async function importConvertTemplate() {
+  const api = getPywebviewApi()
+  if (!api?.import_txt_template) {
+    ElMessage.warning('当前环境不支持模板上传，请在桌面端打开')
+    return
+  }
+
+  const result = await api.import_txt_template(convertTemplateName.value.trim() || undefined)
+  if (!result.success) {
+    if (result.error && result.error !== '用户取消') {
+      ElMessage.error(result.error)
+    }
+    return
+  }
+
+  convertTemplateName.value = ''
+  await loadConvertTemplates()
+  if (result.template?.id) {
+    convertTemplateId.value = result.template.id
+  }
+  ElMessage.success('模板导入成功')
+}
+
+async function setConvertDefaultTemplate() {
+  const api = getPywebviewApi()
+  if (!api?.set_default_txt_template || !convertTemplateId.value) {
+    ElMessage.warning('当前环境不支持设置默认模板')
+    return
+  }
+
+  const result = await api.set_default_txt_template(convertTemplateId.value)
+  if (!result.success) {
+    ElMessage.error(result.error || '设置默认模板失败')
+    return
+  }
+
+  await loadConvertTemplates()
+  ElMessage.success('默认模板已更新')
+}
+
+async function selectConvertFiles() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_xlsx_files) {
+    ElMessage.warning('当前环境不支持文件选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const paths = await api.select_clean_xlsx_files()
+    if (!paths?.length) return
+    convertSelectedPaths.value = paths
+    resetConvertResults()
+    ElMessage.success(`已选择 ${paths.length} 个待转换文件`)
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function selectConvertFolder() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_folder) {
+    ElMessage.warning('当前环境不支持文件夹选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const folder = await api.select_clean_folder()
+    if (!folder) return
+
+    const result = await expandBrandFolder(folder)
+    if (result.success && result.paths?.length) {
+      convertSelectedPaths.value = result.paths
+      resetConvertResults()
+      ElMessage.success(`已选择文件夹内 ${result.paths.length} 个 xlsx 文件`)
+      return
+    }
+
+    ElMessage.warning(result.error || '该文件夹下没有 xlsx 文件')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function submitConvertRun() {
+  const api = getPywebviewApi()
+  if (!api?.convert_excel_to_uk_txt || !api?.select_folder) {
+    ElMessage.warning('当前环境不支持格式转换，请在桌面端打开')
+    return
+  }
+  if (!convertSelectedPaths.value.length) {
+    ElMessage.warning('请先选择待转换 Excel 文件或文件夹')
+    return
+  }
+
+  try {
+    const outputDir = await api.select_folder()
+    if (!outputDir) return
+
+    convertRunning.value = true
+    const result = await api.convert_excel_to_uk_txt({
+      paths: convertSelectedPaths.value,
+      output_dir: outputDir,
+      template_id: convertTemplateId.value,
+    })
+
+    if (!result.success) {
+      ElMessage.error(result.error || '格式转换失败')
+      return
+    }
+
+    convertOutputDir.value = result.summary?.output_dir || outputDir
+    convertSummary.value = {
+      total: result.summary?.total || 0,
+      success_count: result.summary?.success_count || 0,
+      failed_count: result.summary?.failed_count || 0,
+    }
+    convertResultItems.value = result.items || []
+    ElMessage.success('格式转换完成')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '格式转换失败')
+  } finally {
+    convertRunning.value = false
+  }
+}
+
+async function openConvertOutputDir() {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !convertOutputDir.value) {
+    ElMessage.warning('当前环境不支持打开输出目录')
+    return
+  }
+
+  const result = await api.open_path(convertOutputDir.value)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开目录失败')
+  }
+}
+
+async function openConvertResult(item: ConvertTxtResultItem) {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !item.output_path) {
+    ElMessage.warning('当前环境不支持打开结果文件')
+    return
+  }
+
+  const result = await api.open_path(item.output_path)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开文件失败')
+  }
+}
+
+onMounted(() => {
+  loadConvertTemplates().catch(() => undefined)
+})
+</script>
+
+<style scoped>
+.main-content { display: flex; height: calc(100vh - 56px); }
+.left-panel { width: 380px; background: #1e1e1e; padding: 20px; overflow-y: auto; border-right: 1px solid #2a2a2a; }
+.right-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; background: #1a1a1a; }
+.section-title { font-size: 13px; color: #bbb; margin-bottom: 10px; }
+.upload-zone { border: 1px dashed #3a3a3a; border-radius: 10px; padding: 24px; text-align: center; background: #252525; margin-bottom: 20px; transition: all 0.2s ease; }
+.upload-zone:hover { border-color: #3498db; background: #2a2a2a; }
+.hint { color: #888; font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
+.btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
+.opt-btn, .btn-run, .download { border: none; cursor: pointer; transition: all 0.2s ease; }
+.opt-btn { padding: 8px 16px; font-size: 13px; color: #ccc; background: #2a2a2a; border: 1px solid #3a3a3a; border-radius: 6px; }
+.opt-btn.small { padding: 6px 10px; font-size: 12px; }
+.opt-btn:hover { color: #3498db; background: #333; border-color: #3498db; }
+.desktop-alert { margin-top: 14px; text-align: left; }
+.selected-files { margin-top: 14px; font-size: 12px; color: #888; max-height: 112px; overflow-y: auto; text-align: left; }
+.selected-files span { display: block; margin: 4px 0; word-break: break-all; }
+.more-line { color: #b8c1cc; }
+.option-group { margin-bottom: 20px; }
+.template-toolbar { display: flex; gap: 10px; margin-bottom: 12px; }
+.template-name-input { flex: 1; min-width: 0; padding: 8px 12px; border-radius: 8px; border: 1px solid #3a3a3a; background: #202020; color: #e0e0e0; font-size: 13px; }
+.template-name-input::placeholder { color: #7f8790; }
+.template-tag { margin-left: 8px; padding: 2px 8px; border-radius: 999px; font-size: 11px; color: #8fd0ff; background: rgba(52, 152, 219, 0.14); }
+.template-tag.muted { color: #b8b8b8; background: rgba(255, 255, 255, 0.08); }
+.compact-row { margin-top: 4px; }
+.radio-item { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; padding: 10px 12px; border-radius: 8px; background: #252525; border: 1px solid #2a2a2a; margin-bottom: 8px; transition: all 0.2s ease; }
+.radio-item:hover, .radio-item.active { background: #2a2a2a; border-color: #3a3a3a; }
+.radio-item input { margin-top: 3px; }
+.label { font-weight: 500; color: #e0e0e0; font-size: 13px; }
+.desc { font-size: 12px; color: #888; margin-top: 2px; line-height: 1.5; font-weight: 400; }
+.run-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; margin-top: 16px; }
+.btn-run { padding: 10px 22px; background: #3498db; color: #fff; border-radius: 8px; font-size: 14px; }
+.btn-run:hover { background: #2980b9; }
+.btn-run:disabled { background: #555; color: #999; cursor: not-allowed; }
+.loading-msg { color: #3498db; font-size: 13px; }
+.panel-header { padding: 16px 20px; border-bottom: 1px solid #2a2a2a; font-size: 15px; font-weight: 600; color: #ddd; }
+.task-list-wrap { flex: 1; overflow-y: auto; padding: 16px; }
+.task-list { list-style: none; margin: 0; padding: 0; }
+.task-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border: 1px solid #2a2a2a; border-radius: 8px; margin-bottom: 10px; background: #1e1e1e; }
+.left { flex: 1; min-width: 0; }
+.id { display: inline-block; font-weight: 600; color: #e0e0e0; font-size: 13px; }
+.files { font-size: 12px; color: #888; margin-top: 4px; }
+.task-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
+.status { padding: 4px 10px; border-radius: 6px; font-size: 12px; white-space: nowrap; }
+.status.success { background: rgba(46, 204, 113, 0.18); color: #2ecc71; }
+.status.failed { background: rgba(231, 76, 60, 0.18); color: #ff6b6b; }
+.download { padding: 6px 10px; border-radius: 6px; font-size: 12px; background: rgba(52, 152, 219, 0.18); color: #69b6ff; }
+.download:hover { background: rgba(52, 152, 219, 0.28); }
+.empty-tasks { color: #666; font-size: 13px; padding: 24px 8px; }
+.clean-placeholder { max-height: none; }
+.clean-result-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 220px)); gap: 16px; margin-bottom: 18px; }
+.summary-card { padding: 16px 18px; border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; }
+.summary-card strong { display: block; margin-top: 8px; font-size: 24px; color: #eaf4ff; }
+.summary-label { font-size: 12px; color: #8d8d8d; }
+.result-list-wrap { border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; min-height: 260px; }
+.result-list-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid #2a2a2a; font-size: 14px; color: #ddd; }
+.download-all { padding: 7px 12px; border: 1px solid #2f5f85; border-radius: 6px; background: rgba(52, 152, 219, 0.14); color: #69b6ff; font-size: 12px; cursor: pointer; }
+.download-all:disabled { cursor: not-allowed; opacity: 0.55; }
+@media (max-width: 1100px) { .main-content { flex-direction: column; height: auto; } .left-panel { width: 100%; border-right: none; border-bottom: 1px solid #2a2a2a; } .right-panel { min-height: 420px; } .task-item { flex-direction: column; align-items: flex-start; } .task-right { width: 100%; justify-content: flex-start; } .clean-result-summary { grid-template-columns: 1fr; } }
+</style>
\ No newline at end of file
diff --git a/frontend-vue/src/pages/brand/components/BrandDedupeTab.vue b/frontend-vue/src/pages/brand/components/BrandDedupeTab.vue
new file mode 100644
index 0000000..5c35ef3
--- /dev/null
+++ b/frontend-vue/src/pages/brand/components/BrandDedupeTab.vue
@@ -0,0 +1,390 @@
+<template>
+  <div class="main-content">
+    <aside class="left-panel">
+      <div class="section-title">选择文件</div>
+      <div class="upload-zone">
+        <div class="hint">选择需要清洗的 Excel 文件或文件夹，后续将按所选规则输出处理结果。</div>
+        <div class="btns">
+          <button type="button" class="opt-btn" @click="selectCleanFiles">选择 Excel 文件</button>
+          <button type="button" class="opt-btn" @click="selectCleanFolder">选择文件夹</button>
+        </div>
+
+        <el-alert
+          v-if="!hasPywebviewSupport"
+          class="desktop-alert"
+          type="warning"
+          :closable="false"
+          title="当前环境未检测到 pywebview，文件选择与 Excel 表头读取能力需要在桌面端使用。"
+        />
+
+        <div class="selected-files clean-placeholder">
+          <template v-if="cleanSelectedPaths.length">
+            <span v-for="path in cleanDisplayPaths" :key="path">{{ path }}</span>
+            <span v-if="cleanSelectedPaths.length > cleanDisplayPaths.length" class="more-line">
+              还有 {{ cleanSelectedPaths.length - cleanDisplayPaths.length }} 个文件未展开显示
+            </span>
+          </template>
+          <span v-else>暂未选择待清洗文件</span>
+        </div>
+      </div>
+
+      <div class="section-title">保留列设置</div>
+      <div class="option-group column-option-group">
+        <div class="column-toolbar">
+          <span class="column-count">已选择 {{ cleanSelectedColumns.length }} / {{ cleanAvailableColumns.length }} 列</span>
+          <div class="column-actions">
+            <button type="button" class="opt-btn small" @click="selectAllCleanColumns">全选</button>
+            <button type="button" class="opt-btn small" @click="clearAllCleanColumns">清空</button>
+          </div>
+        </div>
+
+        <div class="column-grid" v-if="cleanAvailableColumns.length">
+          <label
+            v-for="column in cleanAvailableColumns"
+            :key="column"
+            class="column-item"
+            :class="{ active: cleanSelectedColumns.includes(column) }"
+          >
+            <input v-model="cleanSelectedColumns" type="checkbox" :value="column" />
+            <span>{{ column }}</span>
+          </label>
+        </div>
+
+        <div v-else class="empty-column-state">请选择 Excel 文件后读取表头并填充可保留列</div>
+
+        <div class="desc">读取首个 Excel 文件的第一行作为表头，用于动态选择需要保留的列。</div>
+      </div>
+
+      <div class="section-title">ID 保留规则</div>
+      <div class="option-group">
+        <label class="radio-item" :class="{ active: cleanKeepIntegerIds }">
+          <input v-model="cleanKeepIntegerIds" type="checkbox" />
+          <div>
+            <span class="label">保留整数 ID</span>
+            <div class="desc">例如 1、2、3 这种纯数字 ID</div>
+          </div>
+        </label>
+
+        <label class="radio-item" :class="{ active: cleanKeepUnderscoreIds }">
+          <input v-model="cleanKeepUnderscoreIds" type="checkbox" />
+          <div>
+            <span class="label">保留下划线 ID</span>
+            <div class="desc">例如 1_1、2_3 这种带下划线的子项 ID</div>
+          </div>
+        </label>
+      </div>
+
+      <div class="run-row">
+        <button type="button" class="btn-run" :disabled="cleanRunning" @click="submitCleanRun">
+          {{ cleanRunning ? '清洗中...' : '开始清洗' }}
+        </button>
+        <span class="loading-msg">
+          {{ cleanRunning ? '正在处理文件，请稍候…' : '选择文件、列和 ID 规则后即可执行本地清洗' }}
+        </span>
+      </div>
+    </aside>
+
+    <section class="right-panel">
+      <div class="panel-header">去重结果</div>
+
+      <div class="task-list-wrap">
+        <div class="clean-result-summary">
+          <div class="summary-card">
+            <span class="summary-label">已处理文件</span>
+            <strong>{{ cleanSummary.total }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">成功结果</span>
+            <strong>{{ cleanSummary.success_count }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">失败文件</span>
+            <strong>{{ cleanSummary.failed_count }}</strong>
+          </div>
+        </div>
+
+        <div class="result-list-wrap">
+          <div class="result-list-header">
+            <span>处理后的 Excel 列表</span>
+            <button type="button" class="download-all" :disabled="!cleanOutputDir" @click="openCleanOutputDir">
+              打开输出目录
+            </button>
+          </div>
+
+          <div v-if="cleanResultItems.length === 0" class="empty-tasks">
+            暂无去重结果，完成数据去重后会在这里展示输出文件
+          </div>
+
+          <ul v-else class="task-list clean-result-list">
+            <li v-for="item in cleanResultItems" :key="`${item.source_path}-${item.output_path || item.error || 'result'}`" class="task-item">
+              <div class="left">
+                <span class="id" :title="item.source_path">{{ shorten(item.source_path, 42) }}</span>
+                <div v-if="item.output_path" class="files">输出文件：{{ item.output_path }}</div>
+                <div v-else-if="item.error" class="files">错误信息：{{ item.error }}</div>
+              </div>
+
+              <div class="task-right">
+                <span class="status" :class="item.success ? 'success' : 'failed'">
+                  {{ item.success ? '已完成' : '失败' }}
+                </span>
+                <button
+                  v-if="item.success && item.output_path"
+                  type="button"
+                  class="download"
+                  @click="openCleanResult(item)"
+                >
+                  打开文件
+                </button>
+              </div>
+            </li>
+          </ul>
+        </div>
+      </div>
+    </section>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { expandBrandFolder } from '@/shared/api/brand'
+import { type CleanExcelResultItem, getPywebviewApi, hasPywebview } from '@/shared/bridges/pywebview'
+
+const hasPywebviewSupport = hasPywebview()
+const cleanAvailableColumns = ref<string[]>([])
+const cleanSelectedColumns = ref<string[]>([])
+const cleanSelectedPaths = ref<string[]>([])
+const cleanKeepIntegerIds = ref(true)
+const cleanKeepUnderscoreIds = ref(true)
+const cleanRunning = ref(false)
+const cleanOutputDir = ref('')
+const cleanResultItems = ref<CleanExcelResultItem[]>([])
+const cleanSummary = ref({ total: 0, success_count: 0, failed_count: 0 })
+const cleanDisplayPaths = computed(() => cleanSelectedPaths.value.slice(0, 8))
+
+function shorten(value: string, maxLength: number) {
+  return value.length > maxLength ? `${value.slice(0, maxLength)}...` : value
+}
+
+function selectAllCleanColumns() {
+  cleanSelectedColumns.value = [...cleanAvailableColumns.value]
+}
+
+function clearAllCleanColumns() {
+  cleanSelectedColumns.value = []
+}
+
+async function loadCleanHeaders(filePath: string) {
+  const api = getPywebviewApi()
+  if (!api?.get_excel_headers) {
+    ElMessage.warning('当前环境不支持 Excel 表头读取，请在桌面端打开')
+    return
+  }
+
+  cleanResultItems.value = []
+  cleanSummary.value = { total: 0, success_count: 0, failed_count: 0 }
+  cleanOutputDir.value = ''
+
+  const result = await api.get_excel_headers(filePath)
+  if (!result.success || !result.headers?.length) {
+    ElMessage.error(result.error || '读取 Excel 表头失败')
+    cleanAvailableColumns.value = []
+    cleanSelectedColumns.value = []
+    return
+  }
+
+  const preferredHeaders = ['id', 'ASIN', '国家', '价格', '卖家名称']
+  const orderedHeaders = [
+    ...preferredHeaders.filter((header) => result.headers?.includes(header)),
+    ...(result.headers || []).filter((header) => !preferredHeaders.includes(header)),
+  ]
+
+  cleanAvailableColumns.value = orderedHeaders
+  cleanSelectedColumns.value = preferredHeaders.filter((header) => orderedHeaders.includes(header))
+}
+
+async function selectCleanFiles() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_xlsx_files) {
+    ElMessage.warning('当前环境不支持文件选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const paths = await api.select_clean_xlsx_files()
+    if (!paths?.length) return
+    cleanSelectedPaths.value = paths
+    await loadCleanHeaders(paths[0])
+    ElMessage.success(`已选择 ${paths.length} 个待清洗文件`)
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function selectCleanFolder() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_folder) {
+    ElMessage.warning('当前环境不支持文件夹选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const folder = await api.select_clean_folder()
+    if (!folder) return
+
+    const result = await expandBrandFolder(folder)
+    if (result.success && result.paths?.length) {
+      cleanSelectedPaths.value = result.paths
+      await loadCleanHeaders(result.paths[0])
+      ElMessage.success(`已选择文件夹内 ${result.paths.length} 个 xlsx 文件`)
+      return
+    }
+
+    ElMessage.warning(result.error || '该文件夹下没有 xlsx 文件')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function submitCleanRun() {
+  const api = getPywebviewApi()
+  if (!api?.clean_excel_files || !api?.select_folder) {
+    ElMessage.warning('当前环境不支持数据去重，请在桌面端打开')
+    return
+  }
+  if (!cleanSelectedPaths.value.length) {
+    ElMessage.warning('请先选择待清洗 Excel 文件或文件夹')
+    return
+  }
+  if (!cleanSelectedColumns.value.length) {
+    ElMessage.warning('请至少选择一列保留列')
+    return
+  }
+  if (!cleanKeepIntegerIds.value && !cleanKeepUnderscoreIds.value) {
+    ElMessage.warning('请至少选择一种 ID 保留规则')
+    return
+  }
+
+  try {
+    const outputDir = await api.select_folder()
+    if (!outputDir) return
+
+    cleanRunning.value = true
+    const result = await api.clean_excel_files({
+      paths: cleanSelectedPaths.value,
+      selected_columns: cleanSelectedColumns.value,
+      keep_integer_ids: cleanKeepIntegerIds.value,
+      keep_underscore_ids: cleanKeepUnderscoreIds.value,
+      output_dir: outputDir,
+    })
+
+    if (!result.success) {
+      ElMessage.error(result.error || '清洗失败')
+      return
+    }
+
+    cleanOutputDir.value = result.summary?.output_dir || outputDir
+    cleanSummary.value = {
+      total: result.summary?.total || 0,
+      success_count: result.summary?.success_count || 0,
+      failed_count: result.summary?.failed_count || 0,
+    }
+    cleanResultItems.value = result.items || []
+    ElMessage.success('数据去重完成')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '去重失败')
+  } finally {
+    cleanRunning.value = false
+  }
+}
+
+async function openCleanOutputDir() {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !cleanOutputDir.value) {
+    ElMessage.warning('当前环境不支持打开输出目录')
+    return
+  }
+
+  const result = await api.open_path(cleanOutputDir.value)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开目录失败')
+  }
+}
+
+async function openCleanResult(item: CleanExcelResultItem) {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !item.output_path) {
+    ElMessage.warning('当前环境不支持打开结果文件')
+    return
+  }
+
+  const result = await api.open_path(item.output_path)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开文件失败')
+  }
+}
+</script>
+
+<style scoped>
+.main-content { display: flex; height: calc(100vh - 56px); }
+.left-panel { width: 380px; background: #1e1e1e; padding: 20px; overflow-y: auto; border-right: 1px solid #2a2a2a; }
+.right-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; background: #1a1a1a; }
+.section-title { font-size: 13px; color: #bbb; margin-bottom: 10px; }
+.upload-zone { border: 1px dashed #3a3a3a; border-radius: 10px; padding: 24px; text-align: center; background: #252525; margin-bottom: 20px; transition: all 0.2s ease; }
+.upload-zone:hover { border-color: #3498db; background: #2a2a2a; }
+.hint { color: #888; font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
+.btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
+.opt-btn, .btn-run, .download { border: none; cursor: pointer; transition: all 0.2s ease; }
+.opt-btn { padding: 8px 16px; font-size: 13px; color: #ccc; background: #2a2a2a; border: 1px solid #3a3a3a; border-radius: 6px; }
+.opt-btn.small { padding: 6px 10px; font-size: 12px; }
+.opt-btn:hover { color: #3498db; background: #333; border-color: #3498db; }
+.desktop-alert { margin-top: 14px; text-align: left; }
+.selected-files { margin-top: 14px; font-size: 12px; color: #888; max-height: 112px; overflow-y: auto; text-align: left; }
+.selected-files span { display: block; margin: 4px 0; word-break: break-all; }
+.more-line { color: #b8c1cc; }
+.option-group { margin-bottom: 20px; }
+.column-option-group { padding: 14px; border-radius: 10px; background: #252525; border: 1px solid #2a2a2a; }
+.column-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
+.column-count { font-size: 12px; color: #a9b4bf; }
+.column-actions { display: flex; gap: 8px; }
+.column-grid { display: grid; grid-template-columns: 1fr; gap: 8px; max-height: 280px; overflow-y: auto; }
+.empty-column-state { padding: 16px 12px; border-radius: 8px; border: 1px dashed #3a3a3a; background: #202020; color: #7f8790; font-size: 12px; line-height: 1.6; }
+.column-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; border: 1px solid #2f2f2f; background: #202020; cursor: pointer; transition: all 0.2s ease; font-size: 13px; color: #d7d7d7; }
+.column-item:hover, .column-item.active { border-color: #3b6f98; background: #26313a; }
+.column-item input { margin: 0; }
+.column-item span { word-break: break-all; }
+.radio-item { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; padding: 10px 12px; border-radius: 8px; background: #252525; border: 1px solid #2a2a2a; margin-bottom: 8px; transition: all 0.2s ease; }
+.radio-item:hover, .radio-item.active { background: #2a2a2a; border-color: #3a3a3a; }
+.radio-item input { margin-top: 3px; }
+.label { font-weight: 500; color: #e0e0e0; font-size: 13px; }
+.desc { font-size: 12px; color: #888; margin-top: 2px; line-height: 1.5; font-weight: 400; }
+.run-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; margin-top: 16px; }
+.btn-run { padding: 10px 22px; background: #3498db; color: #fff; border-radius: 8px; font-size: 14px; }
+.btn-run:hover { background: #2980b9; }
+.btn-run:disabled { background: #555; color: #999; cursor: not-allowed; }
+.loading-msg { color: #3498db; font-size: 13px; }
+.panel-header { padding: 16px 20px; border-bottom: 1px solid #2a2a2a; font-size: 15px; font-weight: 600; color: #ddd; }
+.task-list-wrap { flex: 1; overflow-y: auto; padding: 16px; }
+.task-list { list-style: none; margin: 0; padding: 0; }
+.task-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border: 1px solid #2a2a2a; border-radius: 8px; margin-bottom: 10px; background: #1e1e1e; }
+.left { flex: 1; min-width: 0; }
+.id { display: inline-block; font-weight: 600; color: #e0e0e0; font-size: 13px; }
+.files { font-size: 12px; color: #888; margin-top: 4px; }
+.task-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
+.status { padding: 4px 10px; border-radius: 6px; font-size: 12px; white-space: nowrap; }
+.status.success { background: rgba(46, 204, 113, 0.18); color: #2ecc71; }
+.status.failed { background: rgba(231, 76, 60, 0.18); color: #ff6b6b; }
+.download { padding: 6px 10px; border-radius: 6px; font-size: 12px; background: rgba(52, 152, 219, 0.18); color: #69b6ff; }
+.download:hover { background: rgba(52, 152, 219, 0.28); }
+.empty-tasks { color: #666; font-size: 13px; padding: 24px 8px; }
+.clean-placeholder { max-height: none; }
+.clean-result-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 220px)); gap: 16px; margin-bottom: 18px; }
+.summary-card { padding: 16px 18px; border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; }
+.summary-card strong { display: block; margin-top: 8px; font-size: 24px; color: #eaf4ff; }
+.summary-label { font-size: 12px; color: #8d8d8d; }
+.result-list-wrap { border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; min-height: 260px; }
+.result-list-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid #2a2a2a; font-size: 14px; color: #ddd; }
+.download-all { padding: 7px 12px; border: 1px solid #2f5f85; border-radius: 6px; background: rgba(52, 152, 219, 0.14); color: #69b6ff; font-size: 12px; cursor: pointer; }
+.download-all:disabled { cursor: not-allowed; opacity: 0.55; }
+@media (max-width: 1100px) { .main-content { flex-direction: column; height: auto; } .left-panel { width: 100%; border-right: none; border-bottom: 1px solid #2a2a2a; } .right-panel { min-height: 420px; } .task-item { flex-direction: column; align-items: flex-start; } .task-right { width: 100%; justify-content: flex-start; } .clean-result-summary { grid-template-columns: 1fr; } }
+</style>
\ No newline at end of file
diff --git a/frontend-vue/src/pages/brand/components/BrandSplitTab.vue b/frontend-vue/src/pages/brand/components/BrandSplitTab.vue
new file mode 100644
index 0000000..93c3382
--- /dev/null
+++ b/frontend-vue/src/pages/brand/components/BrandSplitTab.vue
@@ -0,0 +1,402 @@
+<template>
+  <div class="main-content">
+    <aside class="left-panel">
+      <div class="section-title">选择文件</div>
+      <div class="upload-zone">
+        <div class="hint">选择需要拆分的 Excel 文件或文件夹，按规则拆成多个 Excel 文件。</div>
+        <div class="btns">
+          <button type="button" class="opt-btn" @click="selectSplitFiles">选择 Excel 文件</button>
+          <button type="button" class="opt-btn" @click="selectSplitFolder">选择文件夹</button>
+        </div>
+
+        <div class="selected-files clean-placeholder">
+          <template v-if="splitSelectedPaths.length">
+            <span v-for="path in splitDisplayPaths" :key="path">{{ path }}</span>
+            <span v-if="splitSelectedPaths.length > splitDisplayPaths.length" class="more-line">
+              还有 {{ splitSelectedPaths.length - splitDisplayPaths.length }} 个文件未展开显示
+            </span>
+          </template>
+          <span v-else>暂未选择待拆分文件</span>
+        </div>
+      </div>
+
+      <div class="section-title">保留列设置</div>
+      <div class="option-group column-option-group">
+        <div class="column-toolbar">
+          <span class="column-count">已选择 {{ splitSelectedColumns.length }} / {{ splitAvailableColumns.length }} 列</span>
+          <div class="column-actions">
+            <button type="button" class="opt-btn small" @click="splitSelectedColumns = [...splitAvailableColumns]">全选</button>
+            <button type="button" class="opt-btn small" @click="splitSelectedColumns = []">清空</button>
+          </div>
+        </div>
+
+        <div class="column-grid" v-if="splitAvailableColumns.length">
+          <label
+            v-for="column in splitAvailableColumns"
+            :key="column"
+            class="column-item"
+            :class="{ active: splitSelectedColumns.includes(column) }"
+          >
+            <input v-model="splitSelectedColumns" type="checkbox" :value="column" />
+            <span>{{ column }}</span>
+          </label>
+        </div>
+        <div v-else class="empty-column-state">请选择 Excel 文件后读取表头并填充可保留列</div>
+      </div>
+
+      <div class="section-title">总条数</div>
+      <div class="option-group">
+        <label class="radio-item active">
+          <input type="checkbox" checked disabled />
+          <div>
+            <span class="label">当前数据总条数</span>
+            <div class="desc">{{ splitTotalRows }} 条（不含表头）</div>
+          </div>
+        </label>
+      </div>
+
+      <div class="section-title">拆分模式</div>
+      <div class="option-group">
+        <label class="radio-item" :class="{ active: splitMode === 'rows_per_file' }">
+          <input v-model="splitMode" type="radio" value="rows_per_file" name="split-mode" />
+          <div>
+            <span class="label">按每份条数</span>
+            <div class="desc">例如每份 2000 条，最后一份放剩余数据</div>
+          </div>
+        </label>
+        <label class="radio-item" :class="{ active: splitMode === 'parts' }">
+          <input v-model="splitMode" type="radio" value="parts" name="split-mode" />
+          <div>
+            <span class="label">按份数平均拆分</span>
+            <div class="desc">例如拆 5 份，按总条数尽量平均分配</div>
+          </div>
+        </label>
+      </div>
+
+      <div class="section-title">拆分参数</div>
+      <div class="option-group">
+        <label v-if="splitMode === 'rows_per_file'" class="split-input-card">
+          <span class="label">每份条数</span>
+          <input v-model.number="splitRowsPerFile" class="split-number-input" type="number" min="1" placeholder="例如 2000" />
+        </label>
+        <label v-else class="split-input-card">
+          <span class="label">拆分份数</span>
+          <input v-model.number="splitParts" class="split-number-input" type="number" min="1" placeholder="例如 5" />
+        </label>
+      </div>
+
+      <div class="run-row">
+        <button type="button" class="btn-run" :disabled="splitRunning" @click="submitSplitRun">
+          {{ splitRunning ? '拆分中...' : '开始拆分' }}
+        </button>
+        <span class="loading-msg">
+          {{ splitRunning ? '正在拆分文件，请稍候…' : '选择文件、保留列和拆分规则后即可执行本地拆分' }}
+        </span>
+      </div>
+    </aside>
+
+    <section class="right-panel">
+      <div class="panel-header">拆分结果</div>
+      <div class="task-list-wrap">
+        <div class="clean-result-summary">
+          <div class="summary-card">
+            <span class="summary-label">已处理文件</span>
+            <strong>{{ splitSummary.total }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">成功结果</span>
+            <strong>{{ splitSummary.success_count }}</strong>
+          </div>
+          <div class="summary-card">
+            <span class="summary-label">失败文件</span>
+            <strong>{{ splitSummary.failed_count }}</strong>
+          </div>
+        </div>
+
+        <div class="result-list-wrap">
+          <div class="result-list-header">
+            <span>拆分后的 Excel 列表</span>
+            <button type="button" class="download-all" :disabled="!splitOutputDir" @click="openSplitOutputDir">
+              打开输出目录
+            </button>
+          </div>
+
+          <div v-if="splitResultItems.length === 0" class="empty-tasks">
+            暂无拆分结果，完成数据拆分后会在这里展示输出文件
+          </div>
+
+          <ul v-else class="task-list clean-result-list">
+            <li v-for="item in splitResultItems" :key="`${item.output_path || item.source_path}-${item.row_count || 0}`" class="task-item">
+              <div class="left">
+                <span class="id" :title="item.source_path">{{ shorten(item.source_path, 42) }}</span>
+                <div v-if="item.output_path" class="files">输出文件：{{ item.output_path }}</div>
+                <div v-if="item.row_count !== undefined" class="time">包含 {{ item.row_count }} 条数据</div>
+                <div v-else-if="item.error" class="files">错误信息：{{ item.error }}</div>
+              </div>
+
+              <div class="task-right">
+                <span class="status" :class="item.success ? 'success' : 'failed'">
+                  {{ item.success ? '已完成' : '失败' }}
+                </span>
+                <button
+                  v-if="item.success && item.output_path"
+                  type="button"
+                  class="download"
+                  @click="openSplitResult(item)"
+                >
+                  打开文件
+                </button>
+              </div>
+            </li>
+          </ul>
+        </div>
+      </div>
+    </section>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { expandBrandFolder } from '@/shared/api/brand'
+import { type SplitExcelResultItem, getPywebviewApi, hasPywebview } from '@/shared/bridges/pywebview'
+
+const splitSelectedPaths = ref<string[]>([])
+const splitAvailableColumns = ref<string[]>([])
+const splitSelectedColumns = ref<string[]>([])
+const splitTotalRows = ref(0)
+const splitMode = ref<'rows_per_file' | 'parts'>('rows_per_file')
+const splitRowsPerFile = ref<number | null>(2000)
+const splitParts = ref<number | null>(5)
+const splitRunning = ref(false)
+const splitOutputDir = ref('')
+const splitResultItems = ref<SplitExcelResultItem[]>([])
+const splitSummary = ref({ total: 0, success_count: 0, failed_count: 0 })
+const splitDisplayPaths = computed(() => splitSelectedPaths.value.slice(0, 8))
+
+function shorten(value: string, maxLength: number) {
+  return value.length > maxLength ? `${value.slice(0, maxLength)}...` : value
+}
+
+function resetSplitResults() {
+  splitResultItems.value = []
+  splitSummary.value = { total: 0, success_count: 0, failed_count: 0 }
+  splitOutputDir.value = ''
+}
+
+async function loadSplitInfo(filePath: string) {
+  const api = getPywebviewApi()
+  if (!api?.get_excel_info) {
+    ElMessage.warning('当前环境不支持读取 Excel 信息，请在桌面端打开')
+    return
+  }
+
+  resetSplitResults()
+  const result = await api.get_excel_info(filePath)
+  if (!result.success) {
+    ElMessage.error(result.error || '读取 Excel 信息失败')
+    splitAvailableColumns.value = []
+    splitSelectedColumns.value = []
+    splitTotalRows.value = 0
+    return
+  }
+
+  splitAvailableColumns.value = result.headers || []
+  splitSelectedColumns.value = [...(result.headers || [])]
+  splitTotalRows.value = result.total_rows || 0
+}
+
+async function selectSplitFiles() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_xlsx_files) {
+    ElMessage.warning('当前环境不支持文件选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const paths = await api.select_clean_xlsx_files()
+    if (!paths?.length) return
+    splitSelectedPaths.value = paths
+    await loadSplitInfo(paths[0])
+    ElMessage.success(`已选择 ${paths.length} 个待拆分文件`)
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function selectSplitFolder() {
+  const api = getPywebviewApi()
+  if (!api?.select_clean_folder) {
+    ElMessage.warning('当前环境不支持文件夹选择，请在桌面端打开')
+    return
+  }
+
+  try {
+    const folder = await api.select_clean_folder()
+    if (!folder) return
+
+    const result = await expandBrandFolder(folder)
+    if (result.success && result.paths?.length) {
+      splitSelectedPaths.value = result.paths
+      await loadSplitInfo(result.paths[0])
+      ElMessage.success(`已选择文件夹内 ${result.paths.length} 个 xlsx 文件`)
+      return
+    }
+
+    ElMessage.warning(result.error || '该文件夹下没有 xlsx 文件')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '选择失败')
+  }
+}
+
+async function submitSplitRun() {
+  const api = getPywebviewApi()
+  if (!api?.split_excel_files || !api?.select_folder) {
+    ElMessage.warning('当前环境不支持数据拆分，请在桌面端打开')
+    return
+  }
+  if (!splitSelectedPaths.value.length) {
+    ElMessage.warning('请先选择待拆分 Excel 文件或文件夹')
+    return
+  }
+  if (!splitSelectedColumns.value.length) {
+    ElMessage.warning('请至少选择一列保留列')
+    return
+  }
+  if (splitMode.value === 'rows_per_file' && (!splitRowsPerFile.value || splitRowsPerFile.value <= 0)) {
+    ElMessage.warning('请输入有效的每份条数')
+    return
+  }
+  if (splitMode.value === 'parts' && (!splitParts.value || splitParts.value <= 0)) {
+    ElMessage.warning('请输入有效的拆分份数')
+    return
+  }
+
+  try {
+    const outputDir = await api.select_folder()
+    if (!outputDir) return
+
+    splitRunning.value = true
+    const result = await api.split_excel_files({
+      paths: splitSelectedPaths.value,
+      selected_columns: splitSelectedColumns.value,
+      split_mode: splitMode.value,
+      rows_per_file: splitRowsPerFile.value || undefined,
+      parts: splitParts.value || undefined,
+      output_dir: outputDir,
+    })
+
+    if (!result.success) {
+      ElMessage.error(result.error || '数据拆分失败')
+      return
+    }
+
+    splitOutputDir.value = result.summary?.output_dir || outputDir
+    splitSummary.value = {
+      total: result.summary?.total || 0,
+      success_count: result.summary?.success_count || 0,
+      failed_count: result.summary?.failed_count || 0,
+    }
+    splitResultItems.value = result.items || []
+    ElMessage.success('数据拆分完成')
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '数据拆分失败')
+  } finally {
+    splitRunning.value = false
+  }
+}
+
+async function openSplitOutputDir() {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !splitOutputDir.value) {
+    ElMessage.warning('当前环境不支持打开输出目录')
+    return
+  }
+
+  const result = await api.open_path(splitOutputDir.value)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开目录失败')
+  }
+}
+
+async function openSplitResult(item: SplitExcelResultItem) {
+  const api = getPywebviewApi()
+  if (!api?.open_path || !item.output_path) {
+    ElMessage.warning('当前环境不支持打开结果文件')
+    return
+  }
+
+  const result = await api.open_path(item.output_path)
+  if (!result.success) {
+    ElMessage.error(result.error || '打开文件失败')
+  }
+}
+</script>
+
+<style scoped>
+.main-content { display: flex; height: calc(100vh - 56px); }
+.left-panel { width: 380px; background: #1e1e1e; padding: 20px; overflow-y: auto; border-right: 1px solid #2a2a2a; }
+.right-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; background: #1a1a1a; }
+.section-title { font-size: 13px; color: #bbb; margin-bottom: 10px; }
+.upload-zone { border: 1px dashed #3a3a3a; border-radius: 10px; padding: 24px; text-align: center; background: #252525; margin-bottom: 20px; transition: all 0.2s ease; }
+.upload-zone:hover { border-color: #3498db; background: #2a2a2a; }
+.hint { color: #888; font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
+.btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
+.opt-btn, .btn-run, .download { border: none; cursor: pointer; transition: all 0.2s ease; }
+.opt-btn { padding: 8px 16px; font-size: 13px; color: #ccc; background: #2a2a2a; border: 1px solid #3a3a3a; border-radius: 6px; }
+.opt-btn.small { padding: 6px 10px; font-size: 12px; }
+.opt-btn:hover { color: #3498db; background: #333; border-color: #3498db; }
+.selected-files { margin-top: 14px; font-size: 12px; color: #888; max-height: 112px; overflow-y: auto; text-align: left; }
+.selected-files span { display: block; margin: 4px 0; word-break: break-all; }
+.more-line { color: #b8c1cc; }
+.option-group { margin-bottom: 20px; }
+.column-option-group { padding: 14px; border-radius: 10px; background: #252525; border: 1px solid #2a2a2a; }
+.column-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
+.column-count { font-size: 12px; color: #a9b4bf; }
+.column-actions { display: flex; gap: 8px; }
+.column-grid { display: grid; grid-template-columns: 1fr; gap: 8px; max-height: 280px; overflow-y: auto; }
+.empty-column-state { padding: 16px 12px; border-radius: 8px; border: 1px dashed #3a3a3a; background: #202020; color: #7f8790; font-size: 12px; line-height: 1.6; }
+.column-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; border: 1px solid #2f2f2f; background: #202020; cursor: pointer; transition: all 0.2s ease; font-size: 13px; color: #d7d7d7; }
+.column-item:hover, .column-item.active { border-color: #3b6f98; background: #26313a; }
+.column-item input { margin: 0; }
+.column-item span { word-break: break-all; }
+.radio-item { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; padding: 10px 12px; border-radius: 8px; background: #252525; border: 1px solid #2a2a2a; margin-bottom: 8px; transition: all 0.2s ease; }
+.radio-item:hover, .radio-item.active { background: #2a2a2a; border-color: #3a3a3a; }
+.radio-item input { margin-top: 3px; }
+.label { font-weight: 500; color: #e0e0e0; font-size: 13px; }
+.desc { font-size: 12px; color: #888; margin-top: 2px; line-height: 1.5; font-weight: 400; }
+.split-input-card { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px; border-radius: 10px; border: 1px solid #2f2f2f; background: #252525; }
+.split-number-input { width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid #3a3a3a; background: #1b1b1b; color: #eaf4ff; font-size: 22px; font-weight: 700; line-height: 1.2; outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease; }
+.split-number-input:focus { border-color: #3498db; box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18); background: #20252b; }
+.split-number-input::placeholder { color: #708090; font-size: 14px; font-weight: 400; }
+.run-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; margin-top: 16px; }
+.btn-run { padding: 10px 22px; background: #3498db; color: #fff; border-radius: 8px; font-size: 14px; }
+.btn-run:hover { background: #2980b9; }
+.btn-run:disabled { background: #555; color: #999; cursor: not-allowed; }
+.loading-msg { color: #3498db; font-size: 13px; }
+.panel-header { padding: 16px 20px; border-bottom: 1px solid #2a2a2a; font-size: 15px; font-weight: 600; color: #ddd; }
+.task-list-wrap { flex: 1; overflow-y: auto; padding: 16px; }
+.task-list { list-style: none; margin: 0; padding: 0; }
+.task-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; border: 1px solid #2a2a2a; border-radius: 8px; margin-bottom: 10px; background: #1e1e1e; }
+.left { flex: 1; min-width: 0; }
+.id { display: inline-block; font-weight: 600; color: #e0e0e0; font-size: 13px; }
+.files { font-size: 12px; color: #888; margin-top: 4px; }
+.time { font-size: 12px; color: #666; margin-top: 2px; }
+.task-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
+.status { padding: 4px 10px; border-radius: 6px; font-size: 12px; white-space: nowrap; }
+.status.success { background: rgba(46, 204, 113, 0.18); color: #2ecc71; }
+.status.failed { background: rgba(231, 76, 60, 0.18); color: #ff6b6b; }
+.download { padding: 6px 10px; border-radius: 6px; font-size: 12px; background: rgba(52, 152, 219, 0.18); color: #69b6ff; }
+.download:hover { background: rgba(52, 152, 219, 0.28); }
+.empty-tasks { color: #666; font-size: 13px; padding: 24px 8px; }
+.clean-placeholder { max-height: none; }
+.clean-result-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 220px)); gap: 16px; margin-bottom: 18px; }
+.summary-card { padding: 16px 18px; border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; }
+.summary-card strong { display: block; margin-top: 8px; font-size: 24px; color: #eaf4ff; }
+.summary-label { font-size: 12px; color: #8d8d8d; }
+.result-list-wrap { border: 1px solid #2a2a2a; border-radius: 10px; background: #1e1e1e; min-height: 260px; }
+.result-list-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid #2a2a2a; font-size: 14px; color: #ddd; }
+.download-all { padding: 7px 12px; border: 1px solid #2f5f85; border-radius: 6px; background: rgba(52, 152, 219, 0.14); color: #69b6ff; font-size: 12px; cursor: pointer; }
+.download-all:disabled { cursor: not-allowed; opacity: 0.55; }
+@media (max-width: 1100px) { .main-content { flex-direction: column; height: auto; } .left-panel { width: 100%; border-right: none; border-bottom: 1px solid #2a2a2a; } .right-panel { min-height: 420px; } .task-item { flex-direction: column; align-items: flex-start; } .task-right { width: 100%; justify-content: flex-start; } .clean-result-summary { grid-template-columns: 1fr; } }
+</style>
\ No newline at end of file
diff --git a/frontend-vue/src/pages/brand/index.vue b/frontend-vue/src/pages/brand/index.vue
index ef72801..aa23520 100644
--- a/frontend-vue/src/pages/brand/index.vue
+++ b/frontend-vue/src/pages/brand/index.vue
@@ -9,12 +9,43 @@
 
         <div class="nav-tabs">
           <div class="nav-tab-group">
-            <button type="button" class="nav-tab active">品牌检测</button>
+            <button
+              type="button"
+              class="nav-tab"
+              :class="{ active: activeTab === 'brand' }"
+              @click="activeTab = 'brand'"
+            >
+              品牌检测
+            </button>
+            <button
+              type="button"
+              class="nav-tab"
+              :class="{ active: activeTab === 'dedupe' }"
+              @click="activeTab = 'dedupe'"
+            >
+              数据去重
+            </button>
+            <button
+              type="button"
+              class="nav-tab"
+              :class="{ active: activeTab === 'convert' }"
+              @click="activeTab = 'convert'"
+            >
+              格式转换
+            </button>
+            <button
+              type="button"
+              class="nav-tab"
+              :class="{ active: activeTab === 'split' }"
+              @click="activeTab = 'split'"
+            >
+              数据拆分
+            </button>
           </div>
         </div>
       </header>
 
-      <div class="main-content">
+      <div v-if="activeTab === 'brand'" class="main-content">
         <aside class="left-panel">
           <div class="section-title">选择文件</div>
           <div class="upload-zone">
@@ -106,26 +137,9 @@
           <button type="button" class="template-download-row" @click="downloadTemplateXlsx">
             <span class="template-download-icon" aria-hidden="true">
               <svg viewBox="0 0 24 24" fill="none">
-                <path
-                  d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z"
-                  stroke="rgba(255,255,255,0.92)"
-                  stroke-width="1.8"
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                />
-                <path
-                  d="M14 2v6h6"
-                  stroke="rgba(255,255,255,0.92)"
-                  stroke-width="1.8"
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                />
-                <path
-                  d="M8 13h8M8 17h5"
-                  stroke="rgba(255,255,255,0.86)"
-                  stroke-width="1.5"
-                  stroke-linecap="round"
-                />
+                <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z" stroke="rgba(255,255,255,0.92)" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
+                <path d="M14 2v6h6" stroke="rgba(255,255,255,0.92)" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
+                <path d="M8 13h8M8 17h5" stroke="rgba(255,255,255,0.86)" stroke-width="1.5" stroke-linecap="round" />
               </svg>
             </span>
             <span class="template-download-text">
@@ -137,26 +151,9 @@
           <button type="button" class="template-download-row" @click="downloadTemplateZip">
             <span class="template-download-icon" aria-hidden="true">
               <svg viewBox="0 0 24 24" fill="none">
-                <path
-                  d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z"
-                  stroke="rgba(255,255,255,0.92)"
-                  stroke-width="1.8"
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                />
-                <path
-                  d="M14 2v6h6"
-                  stroke="rgba(255,255,255,0.92)"
-                  stroke-width="1.8"
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                />
-                <path
-                  d="M4 8h16M7 12h10M7 16h7"
-                  stroke="rgba(255,255,255,0.86)"
-                  stroke-width="1.5"
-                  stroke-linecap="round"
-                />
+                <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8l-6-6z" stroke="rgba(255,255,255,0.92)" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
+                <path d="M14 2v6h6" stroke="rgba(255,255,255,0.92)" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" />
+                <path d="M4 8h16M7 12h10M7 16h7" stroke="rgba(255,255,255,0.86)" stroke-width="1.5" stroke-linecap="round" />
               </svg>
             </span>
             <span class="template-download-text">
@@ -188,10 +185,7 @@
                     class="inline-progress"
                   >
                     <div class="progress-bar-bg small">
-                      <div
-                        class="progress-bar-fill"
-                        :style="{ width: `${getTaskProgressPercent(task)}%` }"
-                      ></div>
+                      <div class="progress-bar-fill" :style="{ width: `${getTaskProgressPercent(task)}%` }"></div>
                     </div>
                     <span class="inline-progress-text">
                       {{ task.progress_current || 0 }} / {{ task.progress_total || 0 }}
@@ -227,6 +221,10 @@
           </div>
         </section>
       </div>
+
+      <BrandDedupeTab v-else-if="activeTab === 'dedupe'" />
+      <BrandConvertTab v-else-if="activeTab === 'convert'" />
+      <BrandSplitTab v-else-if="activeTab === 'split'" />
     </div>
   </PageShell>
 </template>
@@ -249,8 +247,12 @@ import {
   type BrandTaskItem,
 } from '@/shared/api/brand'
 import { getPywebviewApi, hasPywebview } from '@/shared/bridges/pywebview'
+import BrandDedupeTab from '@/pages/brand/components/BrandDedupeTab.vue'
+import BrandConvertTab from '@/pages/brand/components/BrandConvertTab.vue'
+import BrandSplitTab from '@/pages/brand/components/BrandSplitTab.vue'
 
 const hasPywebviewSupport = hasPywebview()
+const activeTab = ref<'brand' | 'dedupe' | 'convert' | 'split'>('brand')
 const selectedPaths = ref<string[]>([])
 const runMode = ref<'immediate' | 'task'>('immediate')
 const matchStrategy = ref<'Terms' | 'Simple'>('Terms')
@@ -267,10 +269,7 @@ let taskRefreshTimer: number | null = null
 
 const displayPaths = computed(() => selectedPaths.value.slice(0, 8))
 const progressPercent = computed(() => {
-  if (!progressTotal.value) {
-    return progressStatus.value === 'running' ? 12 : 100
-  }
-
+  if (!progressTotal.value) return progressStatus.value === 'running' ? 12 : 100
   return Math.min(100, Math.round((progressCurrent.value / progressTotal.value) * 100))
 })
 
@@ -298,7 +297,6 @@ function getStatusLabel(status?: string) {
     failed: '失败',
     cancelled: '已取消',
   }
-
   return statusMap[(status || '').toLowerCase()] || (status || '-')
 }
 
@@ -311,12 +309,10 @@ function getTaskProgressPercent(task: BrandTaskItem) {
 function stopTaskMonitor() {
   activeTaskId.value = null
   running.value = false
-
   if (taskEvents) {
     taskEvents.close()
     taskEvents = null
   }
-
   if (pollTimer !== null) {
     window.clearInterval(pollTimer)
     pollTimer = null
@@ -345,7 +341,6 @@ async function refreshMonitoredTask(taskId: string | number) {
     progressStatus.value = status as typeof progressStatus.value
     stopTaskMonitor()
     await loadTasks()
-
     if (status === 'success') ElMessage.success('生成完成，可下载结果')
     if (status === 'failed') ElMessage.error('生成失败')
     if (status === 'cancelled') ElMessage.info('已取消')
@@ -640,12 +635,22 @@ onBeforeUnmount(() => {
 .nav-tab {
   padding: 8px 14px;
   font-size: 13px;
-  color: #3498db;
-  background: rgba(52, 152, 219, 0.2);
+  color: #9fb9d3;
+  background: transparent;
   border: none;
   border-radius: 6px;
 }
 
+.nav-tab:hover {
+  color: #d8ecff;
+  background: rgba(52, 152, 219, 0.12);
+}
+
+.nav-tab.active {
+  color: #3498db;
+  background: rgba(52, 152, 219, 0.2);
+}
+
 .main-content {
   display: flex;
   height: calc(100vh - 56px);
@@ -1093,4 +1098,4 @@ onBeforeUnmount(() => {
     width: 100%;
   }
 }
-</style>
+</style>
\ No newline at end of file
diff --git a/frontend-vue/src/shared/bridges/pywebview.ts b/frontend-vue/src/shared/bridges/pywebview.ts
index 52f2628..9266028 100644
--- a/frontend-vue/src/shared/bridges/pywebview.ts
+++ b/frontend-vue/src/shared/bridges/pywebview.ts
@@ -1,7 +1,112 @@
+export interface SplitExcelPayload {
+  paths: string[]
+  selected_columns: string[]
+  split_mode: 'rows_per_file' | 'parts'
+  rows_per_file?: number
+  parts?: number
+  output_dir: string
+}
+
+export interface SplitExcelResultItem {
+  source_path: string
+  output_path?: string
+  success: boolean
+  error?: string
+  row_count?: number
+}
+
+export interface SplitExcelSummary {
+  total: number
+  success_count: number
+  failed_count: number
+  output_dir?: string
+}
+
+export interface SplitExcelResponse {
+  success: boolean
+  summary?: SplitExcelSummary
+  items?: SplitExcelResultItem[]
+  error?: string
+}
+
+export interface ExcelInfoResponse {
+  success: boolean
+  headers?: string[]
+  total_rows?: number
+  error?: string
+}
+
+export interface CleanExcelResultItem {
+  source_path: string
+  output_path?: string
+  success: boolean
+  error?: string
+}
+
+export interface ConvertTxtPayload {
+  paths: string[]
+  output_dir: string
+  template_id: string
+}
+
+export interface ConvertTxtTemplateItem {
+  id: string
+  label: string
+  output_filename: string
+  is_default?: boolean
+  built_in?: boolean
+}
+
+export interface ConvertTxtResultItem {
+  source_path: string
+  output_path?: string
+  success: boolean
+  error?: string
+}
+
+export interface ConvertTxtSummary {
+  total: number
+  success_count: number
+  failed_count: number
+  output_dir?: string
+}
+
+export interface ConvertTxtResponse {
+  success: boolean
+  summary?: ConvertTxtSummary
+  items?: ConvertTxtResultItem[]
+  error?: string
+}
+
+export interface CleanExcelSummary {
+  total: number
+  success_count: number
+  failed_count: number
+  output_dir?: string
+}
+
+export interface CleanExcelResponse {
+  success: boolean
+  summary?: CleanExcelSummary
+  items?: CleanExcelResultItem[]
+  error?: string
+}
+
 export interface PywebviewApi {
   select_brand_xlsx_files?: () => Promise<string[]>
+  select_clean_xlsx_files?: () => Promise<string[]>
   select_brand_folder?: () => Promise<string | null>
+  select_clean_folder?: () => Promise<string | null>
   select_folder?: () => Promise<string | null>
+  get_excel_headers?: (filePath: string) => Promise<{ success: boolean; headers?: string[]; error?: string }>
+  get_excel_info?: (filePath: string) => Promise<ExcelInfoResponse>
+  clean_excel_files?: (payload: CleanExcelPayload) => Promise<CleanExcelResponse>
+  split_excel_files?: (payload: SplitExcelPayload) => Promise<SplitExcelResponse>
+  list_txt_templates?: () => Promise<ConvertTxtTemplateItem[]>
+  import_txt_template?: (name?: string) => Promise<{ success: boolean; template?: ConvertTxtTemplateItem; error?: string }>
+  set_default_txt_template?: (templateId: string) => Promise<{ success: boolean; error?: string }>
+  convert_excel_to_uk_txt?: (payload: ConvertTxtPayload) => Promise<ConvertTxtResponse>
+  open_path?: (path: string) => Promise<{ success: boolean; error?: string }>
   save_template_xlsx?: () => Promise<{ success: boolean; path?: string; error?: string }>
   save_template_zip?: () => Promise<{ success: boolean; path?: string; error?: string }>
   save_file_from_url?: (url: string, filename: string) => Promise<{ success: boolean; path?: string; error?: string }>