chore: add sqlite init and config, add repository for sql

backend/internal/handlers/agents.go

@@ -1 +1,36 @@
 package handlers
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// AgentsGroup — группа хэндлеров для агентов
+type AgentsGroup struct {
+	*Handlers
+}
+
+// List GET /api/v1/agents
+func (ag *AgentsGroup) List(c *gin.Context) {
+	c.JSON(http.StatusOK, gin.H{"message": "Agents list"})
+}
+
+// GetByID GET /api/v1/agents/:id
+func (ag *AgentsGroup) GetByID(c *gin.Context) {
+	id := c.Param("id")
+
+	c.JSON(http.StatusOK, gin.H{"id": id})
+}
+
+// Create POST /api/v1/agents
+func (ag *AgentsGroup) Create(c *gin.Context) {
+	var body struct {
+		Name string `json:"name" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&body); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusCreated, gin.H{"name": body.Name})
+}