feat(conversations): complete manual AI takeover

backend/internal/handler/api/v1/assignable_agent_handler.go

@@ -93,6 +93,7 @@ func (h *AssignableAgentHandler) List(c *gin.Context) {
 			bot["assignee_type"] = "AgentBot"
 			bot["icon"] = "i-lucide-bot"
 			bot["availability_status"] = "offline"
+			bot["confirmed"] = true
 			payload = append(payload, bot)
 		}
 	}

backend/internal/handler/api/v1/conversation_handler.go

@@ -1059,9 +1059,10 @@ func (h *ConversationHandler) AssignTeam(c *gin.Context) {
 	}
 
 	var req struct {
-		AgentID    *uint `json:"agent_id"`
-		AssigneeID *uint `json:"assignee_id"`
-		TeamID     *uint `json:"team_id"`
+		AgentID      *uint  `json:"agent_id"`
+		AssigneeID   *uint  `json:"assignee_id"`
+		AssigneeType string `json:"assignee_type"`
+		TeamID       *uint  `json:"team_id"`
 	}
 	if err := c.ShouldBindJSON(&req); err != nil {
 		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
@@ -1076,6 +1077,23 @@ func (h *ConversationHandler) AssignTeam(c *gin.Context) {
 	if !ok {
 		return
 	}
+	if req.AssigneeType == "AgentBot" {
+		if agentID == nil {
+			agentID = new(uint)
+		}
+		conversation, bot, svcErr := h.conversationSvc.AssignAgentBot(c.Request.Context(), accountID, conversation.ID, *agentID)
+		if svcErr != nil {
+			handleServiceError(c, svcErr)
+			return
+		}
+		recordAuditMutation(c, h.auditSvc, auditMutation{AccountID: accountID, AuditableType: "Conversation", AuditableID: conversation.ID, Action: "update", AuditedChanges: gin.H{"assignee_agent_bot_id": conversation.AssigneeAgentBotID}})
+		if bot == nil {
+			c.JSON(http.StatusOK, nil)
+			return
+		}
+		c.JSON(http.StatusOK, serializeAgentBotSlim(bot))
+		return
+	}
 	conversation, svcErr := h.conversationSvc.AssignTeam(c.Request.Context(), accountID, conversation.ID, agentID, req.TeamID)
 	if svcErr != nil {
 		handleServiceError(c, svcErr)

backend/internal/handler/api/v1/conversation_handler_crud_test.go

@@ -732,7 +732,7 @@ func (s *ConversationCrudTestSuite) TestAssignAgentBot_MutuallyExclusiveAndAccou
 	s.Require().NoError(s.db.Create(bot).Error)
 	body, _ := json.Marshal(map[string]any{"assignee_id": bot.ID, "assignee_type": "AgentBot"})
 	w := httptest.NewRecorder()
-	req := httptest.NewRequest(http.MethodPost, s.convURL(s.testConv.ID)+"/assign", bytes.NewReader(body))
+	req := httptest.NewRequest(http.MethodPost, s.convURL(s.testConv.ID)+"/assignments", bytes.NewReader(body))
 	req.Header.Set("Content-Type", "application/json")
 	s.router.ServeHTTP(w, req)
 	s.Equal(http.StatusOK, w.Code, w.Body.String())
@@ -741,6 +741,21 @@ func (s *ConversationCrudTestSuite) TestAssignAgentBot_MutuallyExclusiveAndAccou
 	s.Nil(assigned.AssigneeID)
 	s.Require().NotNil(assigned.AssigneeAgentBotID)
 	s.Equal(bot.ID, *assigned.AssigneeAgentBotID)
+	s.Equal(string(model.ConversationStatusPending), assigned.Status)
+	var assignmentResponse map[string]any
+	s.Require().NoError(json.Unmarshal(w.Body.Bytes(), &assignmentResponse))
+	s.Equal("AgentBot", assignmentResponse["assignee_type"])
+
+	// Repeating takeover is idempotent.
+	w = httptest.NewRecorder()
+	req = httptest.NewRequest(http.MethodPost, s.convURL(s.testConv.ID)+"/assignments", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	s.router.ServeHTTP(w, req)
+	s.Equal(http.StatusOK, w.Code, w.Body.String())
+	s.Require().NoError(s.db.First(&assigned, s.testConv.ID).Error)
+	s.Require().NotNil(assigned.AssigneeAgentBotID)
+	s.Equal(bot.ID, *assigned.AssigneeAgentBotID)
+	s.Equal(string(model.ConversationStatusPending), assigned.Status)
 
 	user := &model.User{Name: "Agent", Email: "bot-switch@example.com"}
 	s.Require().NoError(s.db.Create(user).Error)
@@ -756,6 +771,7 @@ func (s *ConversationCrudTestSuite) TestAssignAgentBot_MutuallyExclusiveAndAccou
 	s.Require().NotNil(assigned.AssigneeID)
 	s.Equal(user.ID, *assigned.AssigneeID)
 	s.Nil(assigned.AssigneeAgentBotID)
+	s.Equal(string(model.ConversationStatusOpen), assigned.Status)
 
 	other := &model.Account{Name: "Other"}
 	s.Require().NoError(s.db.Create(other).Error)

backend/internal/handler/api/v1/conversation_serializer.go

@@ -767,12 +767,13 @@ func serializeCaptainAssistantSender(assistant *model.CaptainAssistant) map[stri
 
 func serializeAgentBotSlim(bot *model.AgentBot) map[string]any {
 	return map[string]any{
-		"id":           bot.ID,
-		"name":         bot.Name,
-		"description":  bot.Description,
-		"thumbnail":    bot.AvatarURL,
-		"outgoing_url": bot.OutgoingURL,
-		"bot_type":     bot.BotType,
+		"id":            bot.ID,
+		"name":          bot.Name,
+		"description":   bot.Description,
+		"thumbnail":     bot.AvatarURL,
+		"outgoing_url":  bot.OutgoingURL,
+		"bot_type":      bot.BotType,
+		"assignee_type": "AgentBot",
 	}
 }