Fix SSE route dependency and align architecture docs

requirements.txt

@@ -14,17 +14,15 @@ langchain>=0.1.0
 langchain-milvus>=0.1.0
 
 # PDF解析
-pymupdf>=1.24.0  # PyMuPDF
+pymupdf>=1.24.0
 
 # Word文档解析
 python-docx>=0.8.11
 
-# MinerU多模态PDF解析（可选，需要额外配置）
-# magic-pdf[full]>=0.6.0
-
-# 嵌入模型
-FlagEmbedding>=1.2.0
-sentence-transformers>=2.2.0
+# 阿里云文档解析
+alibabacloud-docmind-api20220711>=1.0.6
+alibabacloud-tea-openapi>=0.3.11
+alibabacloud-tea-util>=0.3.13
 
 # 任务队列
 celery>=5.3.0
@@ -43,4 +41,4 @@ pydantic-settings>=2.0.0
 python-dotenv>=1.0.0
 loguru>=0.7.0
 tenacity>=8.2.0
-httpx>=0.24.0
+httpx>=0.24.0