add deepseek-ocr2 support

docs/changelog.md

@@ -5,6 +5,9 @@ All notable changes to aha will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+### 2026-03-18
+- add DeepSeek-OCR-2
+
 ### 2026-03-17
 - add PaddleOCR-VL1.5 model
 - fix qwen3.5 position_ids create bug

docs/changelog.zh-CN.md

@@ -5,6 +5,9 @@
 格式基于 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.0.0/)，
 本项目遵循 [语义化版本](https://semver.org/lang/zh-CN/spec/v2.0.0.html)。
 
+### 2026-03-18
+- 新增 DeepSeek-OCR-2
+
 ### 2026-03-17
 - 新增 PaddleOCR-VL1.5 模型
 - 修复 qwen3.5 position_ids 创建错误

docs/model-card.md

@@ -7,6 +7,10 @@
 "OCR:" | "Table Recognition:" | "Formula Recognition:" | "Chart Recognition:" | "Spotting:" | "Seal Recognition:"
 
 ## DeepSeekOCR
+#### Main Prompts
+1. document: <image>\n<|grounding|>Convert the document to markdown.
+2. without layouts: <image>\nFree OCR.
+
 #### Metadata
 * base_size: 512 | 640 | 1024 | 1280
 * image_size: 512 | 640 | 1024 | 1280
@@ -25,6 +29,15 @@
 | Large | 1280 | 1280 | false | 
 | Gundam | 1024 | 640 | true | 
 
+## DeepSeekOCR2
+#### Main Prompts
+1. document: <image>\n<|grounding|>Convert the document to markdown.
+2. without layouts: <image>\nFree OCR.
+
+#### Metadata
+* crop_mode: false | true
+
+
 ## GLM-OCR
 #### Prompt Limited
 ##### Document Parsing prompt： 

docs/model-card.zh-CN.md

@@ -7,6 +7,10 @@
 "OCR:" | "Table Recognition:" | "Formula Recognition:" | "Chart Recognition:" | "Spotting:" | "Seal Recognition:"
 
 ## DeepSeekOCR
+#### 主要提示词
+1. 文档: <image>\n<|grounding|>Convert the document to markdown.
+2. 无布局信息: <image>\nFree OCR.
+
 #### Metadata
 * base_size: 512 | 640 | 1024 | 1280
 * image_size: 512 | 640 | 1024 | 1280
@@ -25,6 +29,14 @@
 | Large | 1280 | 1280 | false | 
 | Gundam | 1024 | 640 | true | 
 
+## DeepSeekOCR2
+#### 主要提示词
+1. 文档: <image>\n<|grounding|>Convert the document to markdown.
+2. 无布局信息: <image>\nFree OCR.
+
+#### Metadata
+* crop_mode: false | true
+
 ## GLM-OCR
 #### 限定提示词
 ##### 文档解析：