feat(ai-report): 新增委托单位管理和报告审批功能

- 新增委托单位管理模块，支持增删改查、导入导出功能
- 实现委托单位 Excel 模板下载和数据导入功能
- 添加报告审批抽象处理器，支持审批流程日志记录
- 统一文件存储路径配置，将各模块独立路径改为统一根目录
- 新增 PQDIF 文件名存储字段，完善文件管理功能
- 修复代码中的乱码问题和错误提示信息
- 优化系统常量定义和字典配置管理

ai-report/report-approval/pom.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.njcn.gather</groupId>
+        <artifactId>ai-report</artifactId>
+        <version>1.0.0</version>
+    </parent>
+
+    <artifactId>report-approval</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.njcn.gather</groupId>
+            <artifactId>report-model</artifactId>
+            <version>1.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.njcn.gather</groupId>
+            <artifactId>test-report</artifactId>
+            <version>1.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.njcn</groupId>
+            <artifactId>njcn-common</artifactId>
+            <version>0.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.njcn</groupId>
+            <artifactId>mybatis-plus</artifactId>
+            <version>0.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.njcn</groupId>
+            <artifactId>spingboot2.3.12</artifactId>
+            <version>2.3.12</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>