feat(video): 新建 viewsh-module-video 服务模块骨架

新增视频管理模块，用于后续迁移 WVP-Platform（GB28181 视频监控平台）。
- viewsh-module-video-api: 契约层（Feign RPC 接口、枚举、错误码）
- viewsh-module-video-server: 业务层（端口 48093）
- 网关路由: video-admin-api / video-app-api
- SecurityConfiguration: 放行 Swagger/Actuator/Druid/RPC

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

viewsh-module-video/viewsh-module-video-api/pom.xml

@@ -0,0 +1,61 @@
+<?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">
+    <parent>
+        <artifactId>viewsh-module-video</artifactId>
+        <groupId>com.viewsh</groupId>
+        <version>${revision}</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>viewsh-module-video-api</artifactId>
+    <packaging>jar</packaging>
+
+    <name>${project.artifactId}</name>
+    <description>
+        video 模块 API，暴露给其它模块调用
+    </description>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.viewsh</groupId>
+            <artifactId>viewsh-common</artifactId>
+        </dependency>
+
+        <!-- Web 相关 -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- 工具类相关 -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- 参数校验 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Swagger 注解 -->
+        <dependency>
+            <groupId>org.springdoc</groupId>
+            <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- RPC 远程调用相关 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+</project>

viewsh-module-video/viewsh-module-video-api/src/main/java/com/viewsh/module/video/api/package-info.java

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+/**
+ * video 模块 API，暴露给其它模块调用
+ */
+package com.viewsh.module.video.api;

viewsh-module-video/viewsh-module-video-api/src/main/java/com/viewsh/module/video/enums/ApiConstants.java

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+package com.viewsh.module.video.enums;
+
+import com.viewsh.framework.common.enums.RpcConstants;
+
+/**
+ * API 相关的枚举
+ */
+public class ApiConstants {
+
+    /**
+     * 服务名
+     *
+     * 注意，需要保证和 spring.application.name 保持一致
+     */
+    public static final String NAME = "video-server";
+
+    public static final String PREFIX = RpcConstants.RPC_API_PREFIX + "/video";
+
+    public static final String VERSION = "1.0.0";
+
+}

viewsh-module-video/viewsh-module-video-api/src/main/java/com/viewsh/module/video/enums/ErrorCodeConstants.java

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+package com.viewsh.module.video.enums;
+
+import com.viewsh.framework.common.exception.ErrorCode;
+
+/**
+ * video 错误码枚举类
+ *
+ * video 系统，使用 1-060-000-000 段
+ */
+public interface ErrorCodeConstants {
+
+    // ========== 摄像头相关 1-060-001-000 ============
+    ErrorCode CAMERA_NOT_EXISTS = new ErrorCode(1_060_001_000, "摄像头不存在");
+
+}