creating stacks using a user request

backend/agents/client/chat.go

@@ -187,6 +187,15 @@ func (chat *Chat) AddSystem(prompt string) {
 	})
 }
 
+func (chat *Chat) AddUser(msg string) {
+	chat.Messages = append(chat.Messages, ChatUserMessage{
+		Role: User,
+		MessageContent: SingleMessage{
+			Content: msg,
+		},
+	})
+}
+
 func (chat *Chat) AddImage(imageName string, image []byte, query *string) error {
 	extension := filepath.Ext(imageName)
 	if len(extension) == 0 {

backend/agents/client/client.go

@@ -270,3 +270,38 @@ func (client *AgentClient) RunAgent(userId uuid.UUID, imageId uuid.UUID, imageNa
 
 	return client.ToolLoop(toolHandlerInfo, &request)
 }
+
+func (client *AgentClient) RunAgentAlone(userID uuid.UUID, userReq string) error {
+	var tools any
+	err := json.Unmarshal([]byte(client.Options.JsonTools), &tools)
+	if err != nil {
+		return err
+	}
+
+	toolChoice := "auto"
+	seed := 42
+
+	request := AgentRequestBody{
+		Tools:       &tools,
+		ToolChoice:  &toolChoice,
+		Model:       "google/gemini-2.5-flash",
+		RandomSeed:  &seed,
+		Temperature: 0.3,
+		EndToolCall: client.Options.EndToolCall,
+		ResponseFormat: ResponseFormat{
+			Type: "text",
+		},
+		Chat: &Chat{
+			Messages: make([]ChatMessage, 0),
+		},
+	}
+
+	request.Chat.AddSystem(client.Options.SystemPrompt)
+	request.Chat.AddUser(userReq)
+
+	toolHandlerInfo := ToolHandlerInfo{
+		UserId: userID,
+	}
+
+	return client.ToolLoop(toolHandlerInfo, &request)
+}

backend/agents/create_list_agent.go

@@ -0,0 +1,140 @@
+package agents
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"screenmark/screenmark/.gen/haystack/haystack/model"
+	"screenmark/screenmark/agents/client"
+	"screenmark/screenmark/models"
+
+	"github.com/charmbracelet/log"
+	"github.com/google/uuid"
+)
+
+const createListAgentPrompt = `
+You are an agent who's job is to produce a reasonable output for an unstructured input.
+
+Your job is to create lists for the user, the user will give you a title and some fields they want
+as part of the list. Your job is to take these fields, adjust their names so they have good names,
+and add a good description for each one.
+
+You can add fields if you think they make a lot of sense.
+You can remove fields if they are not correct, but be sure before you do this.
+`
+
+const listJsonSchema = `
+{
+  "type": "object",
+  "properties": {
+	"title": {
+		"type": "string",
+		"description": "the title of the list"
+	},
+	"description": {
+		"type": "string",
+		"description": "the description of the list"
+	},
+    "fields": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "The name of the field."
+          },
+          "description": {
+            "type": "string",
+            "description": "A description of the field."
+          }
+        },
+        "required": [
+          "name",
+          "description"
+        ]
+      },
+      "description": "An array of field objects."
+    }
+  },
+  "required": [
+    "fields"
+  ]
+}
+`
+
+type createNewListArguments struct {
+	Title       string `json:"title"`
+	Description string `json:"description"`
+
+	Fields []struct {
+		Name        string `json:"name"`
+		Description string `json:"description"`
+	} `json:"fields"`
+}
+
+type CreateListAgent struct {
+	client client.AgentClient
+
+	listModel models.ListModel
+}
+
+func (agent *CreateListAgent) CreateList(log *log.Logger, userID uuid.UUID, userReq string) error {
+	request := client.AgentRequestBody{
+		Model:       "google/gemini-2.5-flash",
+		Temperature: 0.3,
+		ResponseFormat: client.ResponseFormat{
+			Type:       "json_object",
+			JsonSchema: listJsonSchema,
+		},
+		Chat: &client.Chat{
+			Messages: make([]client.ChatMessage, 0),
+		},
+	}
+
+	request.Chat.AddSystem(agent.client.Options.SystemPrompt)
+	request.Chat.AddUser(userReq)
+
+	resp, err := agent.client.Request(&request)
+	if err != nil {
+		return fmt.Errorf("request: %w", err)
+	}
+
+	ctx := context.Background()
+
+	structuredOutput := resp.Choices[0].Message.Content
+
+	var createListArgs createNewListArguments
+	err = json.Unmarshal([]byte(structuredOutput), &createListArgs)
+	if err != nil {
+		return err
+	}
+
+	schemaItems := make([]model.SchemaItems, 0)
+	for _, field := range createListArgs.Fields {
+		schemaItems = append(schemaItems, model.SchemaItems{
+			Item:        field.Name,
+			Description: field.Description,
+
+			Value: "string", // keep it simple for now.
+		})
+	}
+
+	agent.listModel.Save(ctx, userID, createListArgs.Title, createListArgs.Description, schemaItems)
+
+	return nil
+}
+
+func NewCreateListAgent(log *log.Logger, listModel models.ListModel) CreateListAgent {
+	client := client.CreateAgentClient(client.CreateAgentClientOptions{
+		SystemPrompt: createListAgentPrompt,
+		Log:          log,
+	})
+
+	agent := CreateListAgent{
+		client,
+		listModel,
+	}
+
+	return agent
+}

backend/agents/list_agent.go

@@ -186,10 +186,6 @@ func NewListAgent(log *log.Logger, listModel models.ListModel) client.AgentClien
 		return "Thought", nil
 	})
 
-	agentClient.ToolHandler.AddTool("listLists", func(info client.ToolHandlerInfo, args string, call client.ToolCall) (any, error) {
-		return listModel.List(context.Background(), info.UserId)
-	})
-
 	agentClient.ToolHandler.AddTool("createList", func(info client.ToolHandlerInfo, _args string, call client.ToolCall) (any, error) {
 		args := createListArguments{}
 		err := json.Unmarshal([]byte(_args), &args)
@@ -210,6 +206,10 @@ func NewListAgent(log *log.Logger, listModel models.ListModel) client.AgentClien
 		return savedList, nil
 	})
 
+	agentClient.ToolHandler.AddTool("listLists", func(info client.ToolHandlerInfo, args string, call client.ToolCall) (any, error) {
+		return listModel.List(context.Background(), info.UserId)
+	})
+
 	agentClient.ToolHandler.AddTool("addToList", func(info client.ToolHandlerInfo, _args string, call client.ToolCall) (any, error) {
 		args := addToListArguments{}
 		err := json.Unmarshal([]byte(_args), &args)