feat: 完成L09统一文档解析模块与MinerU PDF Provider接入

- 新增 easy-agents-document 聚合、document-core 与 document-pdf 模块

- 接入 MinerU PDF provider，支持同步解析、异步任务与 ZIP 结果映射

- 移除 easy-agents-rag-ocr 空壳并补齐 starter 自动装配

easy-agents-bom/pom.xml

@@ -56,6 +56,16 @@
             </exclusions>
         </dependency>
 
+        <dependency>
+            <groupId>com.easyagents</groupId>
+            <artifactId>easy-agents-document-core</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.easyagents</groupId>
+            <artifactId>easy-agents-document-pdf</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>com.easyagents</groupId>
             <artifactId>easy-agents-rag-core</artifactId>
@@ -66,11 +76,6 @@
             <artifactId>easy-agents-rag-ingestion</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>com.easyagents</groupId>
-            <artifactId>easy-agents-rag-ocr</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>com.easyagents</groupId>
             <artifactId>easy-agents-rag-enhance</artifactId>