Merge branch 'ai-agent' into ai-hub

# Conflicts:
#	Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Dtos/Gemini/GeminiGenerateContentAcquirer.cs

@@ -20,7 +20,6 @@ public static class GeminiGenerateContentAcquirer
                            + usage.Value.GetPath("thoughtsTokenCount").GetInt()
                            + usage.Value.GetPath("toolUsePromptTokenCount").GetInt();
 
-
         return new ThorUsageResponse
         {
             PromptTokens = inputTokens,
@@ -32,14 +31,47 @@ public static class GeminiGenerateContentAcquirer
     }
 
     /// <summary>
-    /// 获取图片url，包含前缀
+    /// 获取图片 base64（包含 data:image 前缀）
+    /// 优先从 inlineData.data 中获取，其次从 markdown text 中解析
     /// </summary>
-    /// <param name="response"></param>
-    /// <returns></returns>
-    public static string GetImageBase64(JsonElement response)
+    public static string GetImagePrefixBase64(JsonElement response)
     {
-        //todo
-        //获取他的base64字符串
-        return string.Empty;
+        // Step 1: 优先尝试从 candidates[0].content.parts[0].inlineData.data 获取
+        var inlineBase64 = response
+            .GetPath("candidates", 0, "content", "parts", 0, "inlineData", "data")
+            .GetString();
+
+        if (!string.IsNullOrEmpty(inlineBase64))
+        {
+            // 默认按 png 格式拼接前缀
+            return $"data:image/png;base64,{inlineBase64}";
+        }
+
+        // Step 2: fallback，从 candidates[0].content.parts[0].text 中解析 markdown 图片
+        var text = response
+            .GetPath("candidates", 0, "content", "parts", 0, "text")
+            .GetString();
+
+        if (string.IsNullOrEmpty(text))
+        {
+            return string.Empty;
+        }
+
+        // markdown 图片格式: ![image](data:image/png;base64,xxx)
+        var startMarker = "(data:image/";
+        var startIndex = text.IndexOf(startMarker, StringComparison.Ordinal);
+        if (startIndex < 0)
+        {
+            return string.Empty;
+        }
+
+        startIndex += 1; // 跳过 "("
+        var endIndex = text.IndexOf(')', startIndex);
+        if (endIndex <= startIndex)
+        {
+            return string.Empty;
+        }
+
+        return text.Substring(startIndex, endIndex - startIndex);
     }
 }

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Enums/PublishStatusEnum.cs

@@ -0,0 +1,17 @@
+namespace Yi.Framework.AiHub.Domain.Shared.Enums;
+
+/// <summary>
+/// 发布状态枚举
+/// </summary>
+public enum PublishStatusEnum
+{
+    /// <summary>
+    /// 未发布
+    /// </summary>
+    Unpublished = 0,
+
+    /// <summary>
+    /// 已发布
+    /// </summary>
+    Published = 1
+}