feat(ai): 集成 DeepSeek AI 对话功能并配置加密支持

- 添加 DeepSeek Chat 模型依赖及 starter
- 配置 DeepSeek API Key 加密与基础 URL
- 新增 DeepSeekChatController 实现基本对话接口
- 引入 Jasypt 加密库用于敏感信息加密
- 提供 EncryptorUtil 工具类用于生成加密密钥
- 更新 pom.xml 引入 spring-ai 和 jasypt 依赖管理

pom.xml

@@ -6,28 +6,15 @@
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
         <version>3.5.6</version>
-        <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.hanserwei</groupId>
     <artifactId>ai-robot</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>han-ai-robot-springboot</name>
     <description>han-ai-robot-springboot</description>
-    <url/>
-    <licenses>
-        <license/>
-    </licenses>
-    <developers>
-        <developer/>
-    </developers>
-    <scm>
-        <connection/>
-        <developerConnection/>
-        <tag/>
-        <url/>
-    </scm>
     <properties>
         <java.version>21</java.version>
+        <spring-ai.version>1.0.3</spring-ai.version>
     </properties>
     <dependencies>
         <dependency>
@@ -35,12 +22,35 @@
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.github.ulisesbocchio</groupId>
+            <artifactId>jasypt-spring-boot-starter</artifactId>
+            <version>3.0.5</version>
+        </dependency>
+
+        <!-- Deepseek 模型 -->
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-starter-model-deepseek</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
     </dependencies>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.ai</groupId>
+                <artifactId>spring-ai-bom</artifactId>
+                <version>${spring-ai.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
     <build>
         <plugins>