Feature/mineru improvements (#11938)

我已在下面的评论中用中文重复说明。

### What problem does this PR solve?

## Summary
This PR enhances the MinerU document parser with additional
configuration options, giving users more control over PDF parsing
behavior and improving support for multilingual documents.

## Changes

### Backend (`deepdoc/parser/mineru_parser.py`)
- Added configurable parsing options:
- **Parse Method**: `auto`, `txt`, or `ocr` — allows users to choose the
extraction strategy
- **Formula Recognition**: Toggle for enabling/disabling formula
extraction (useful to disable for Cyrillic documents where it may cause
issues)
- **Table Recognition**: Toggle for enabling/disabling table extraction
- Added language code mapping (`LANGUAGE_TO_MINERU_MAP`) to translate
RAGFlow language settings to MinerU-compatible language codes for better
OCR accuracy
- Improved parser configuration handling to pass these options through
the processing pipeline

### Frontend (`web/`)
- Created new `MinerUOptionsFormField` component that conditionally
renders when MinerU is selected as the layout recognition engine
- Added UI controls for:
  - Parse method selection (dropdown)
  - Formula recognition toggle (switch)
  - Table recognition toggle (switch)
- Added i18n translations for English and Chinese
- Integrated the options into both the dataset creation dialog and
dataset settings page

### Integration
- Updated `rag/app/naive.py` to forward MinerU options to the parser
- Updated task service to handle the new configuration parameters

## Why
MinerU is a powerful document parser, but the default settings don't
work well for all document types. This PR allows users to:
1. Choose the best parsing method for their documents
2. Disable formula recognition for Cyrillic/non-Latin scripts where it
causes issues
3. Control table extraction based on document needs
4. Benefit from automatic language detection for better OCR results

## Testing
- [x] Tested MinerU parsing with different parse methods
- [x] Verified UI renders correctly when MinerU is selected/deselected
- [x] Confirmed settings persist correctly in dataset configuration

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [x] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

---------

Co-authored-by: user210 <user210@rt>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

web/src/locales/en.ts

@@ -330,6 +330,15 @@ export default {
       reRankModelWaring: 'Re-rank model is very time consuming.',
     },
     knowledgeConfiguration: {
+      mineruOptions: 'MinerU Options',
+      mineruParseMethod: 'Parse Method',
+      mineruParseMethodTip:
+        'Method for parsing PDF: auto (automatic detection), txt (text extraction), ocr (optical character recognition)',
+      mineruFormulaEnable: 'Formula Recognition',
+      mineruFormulaEnableTip:
+        'Enable formula recognition. Note: This may not work correctly for Cyrillic documents.',
+      mineruTableEnable: 'Table Recognition',
+      mineruTableEnableTip: 'Enable table recognition and extraction.',
       overlappedPercent: 'Overlapped percent(%)',
       generationScopeTip:
         'Determines whether RAPTOR is generated for the entire dataset or for a single file.',

web/src/locales/zh.ts

@@ -265,6 +265,15 @@ export default {
       theDocumentBeingParsedCannotBeDeleted: '正在解析的文档不能被删除',
     },
     knowledgeConfiguration: {
+      mineruOptions: 'MinerU 选项',
+      mineruParseMethod: '解析方法',
+      mineruParseMethodTip:
+        'PDF 解析方法：auto（自动检测）、txt（文本提取）、ocr（光学字符识别）',
+      mineruFormulaEnable: '公式识别',
+      mineruFormulaEnableTip:
+        '启用公式识别。注意：对于西里尔文档可能无法正常工作。',
+      mineruTableEnable: '表格识别',
+      mineruTableEnableTip: '启用表格识别和提取。',
       generationScopeTip: '选择 RAPTOR 的生成范围：整个知识库或单个文件。',
       generationScope: '生成范围',
       scopeSingleFile: '单文件',