feat: add model picker on non-ollama llm

backend/internal/api/handlers/admin.go

@@ -174,6 +174,25 @@ func (h *Handler) DeleteAIProvider(c *gin.Context) {
 	httputil.NoContent(c)
 }
 
+func (h *Handler) ProbeAIModels(c *gin.Context) {
+	var req aiProviderRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		httputil.BadRequest(c, err)
+		return
+	}
+	provider, err := h.pipeline.BuildProvider(req.Name, req.APIKey, req.Endpoint)
+	if err != nil {
+		httputil.InternalError(c, err)
+		return
+	}
+	models, err := provider.ListModels(c.Request.Context())
+	if err != nil {
+		httputil.InternalError(c, err)
+		return
+	}
+	httputil.OK(c, models)
+}
+
 func (h *Handler) ListAIModels(c *gin.Context) {
 	id := c.Param("id")
 	p, err := h.repo.GetAIProviderByID(id)