fix: 搜索走 SearXNG + 工具调用分页修复

- ai-core DevTools 启动配置补充 SEARXNG_URL，避免回退到 DuckDuckGo 导致超时
- 工具调用 API 加入 offset 分页，修复 page 参数不生效问题
- 响应新增 total_pages 字段，修复前端分页栏不渲染

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/ai-core/cmd/main.go

@@ -397,19 +397,25 @@ func main() {
 		if limit > 500 {
 			limit = 500
 		}
-		calls := toolRegistry.GetCallLogs(toolName, limit)
-		if calls == nil {
-			calls = []plgManager.CallLogRecord{}
-		}
-		page, _ := strconv.Atoi(r.URL.Query().Get("page"))
+			page, _ := strconv.Atoi(r.URL.Query().Get("page"))
 		if page < 1 {
 			page = 1
 		}
+		offset := (page - 1) * limit
+		calls, total := toolRegistry.GetCallLogs(toolName, limit, offset)
+		if calls == nil {
+			calls = []plgManager.CallLogRecord{}
+		}
+		totalPages := total / limit
+		if total%limit != 0 {
+			totalPages++
+		}
 		w.Header().Set("Content-Type", "application/json")
 		json.NewEncoder(w).Encode(map[string]interface{}{
-			"calls": calls, "total": len(calls), "page": page, "limit": limit,
+			"calls": calls, "total": total, "total_pages": totalPages,
+			"page": page, "limit": limit,
+		})
 		})
-	})
 
 	// 工具调用统计
 	mux.HandleFunc("/api/v1/tools/calls/stats", func(w http.ResponseWriter, r *http.Request) {

backend/pkg/plugins/manager/registry.go

@@ -230,25 +230,35 @@ func (r *ToolRegistry) UnregisterAll(toolIDs []string) {
 	}
 }
 
-// GetCallLogs 获取工具调用记录（最新在前，支持按工具名过滤）
-func (r *ToolRegistry) GetCallLogs(toolName string, limit int) []CallLogRecord {
+// GetCallLogs 获取工具调用记录（最新在前，支持按工具名过滤、分页）
+func (r *ToolRegistry) GetCallLogs(toolName string, limit, offset int) ([]CallLogRecord, int) {
 	all := r.callLog.getAll()
+
+	// 过滤
+	var filtered []CallLogRecord
 	if toolName == "" {
-		if limit > 0 && limit < len(all) {
-			return all[:limit]
-		}
-		return all
-	}
-	filtered := make([]CallLogRecord, 0)
-	for _, rec := range all {
-		if rec.ToolName == toolName {
-			filtered = append(filtered, rec)
-			if limit > 0 && len(filtered) >= limit {
-				break
+		filtered = all
+	} else {
+		filtered = make([]CallLogRecord, 0)
+		for _, rec := range all {
+			if rec.ToolName == toolName {
+				filtered = append(filtered, rec)
 			}
 		}
 	}
-	return filtered
+
+	total := len(filtered)
+
+	// 分页
+	if offset >= len(filtered) {
+		return []CallLogRecord{}, total
+	}
+	page := filtered[offset:]
+	if limit > 0 && limit < len(page) {
+		page = page[:limit]
+	}
+
+	return page, total
 }
 
 // GetCallStats 获取工具调用统计

devtools/src/config.js

@@ -68,6 +68,7 @@ export const SERVICES = {
     env: {
       AI_CORE_PORT: '8081',
       PERSONA_DIR: './internal/persona',
+      SEARXNG_URL: process.env.SEARXNG_URL || 'http://localhost:8088',
       IOT_SERVICE_URL: process.env.IOT_SERVICE_URL || process.env.IOT_DEBUG_SERVICE_URL || 'http://localhost:8083',
       ENABLE_BACKGROUND_THINKING: process.env.ENABLE_BACKGROUND_THINKING || 'true',
     },