first test

backend/models/chat.go

@@ -0,0 +1,56 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// ChatMessage represents a chat message in the AI conversation
+type ChatMessage struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	UserID uint `json:"user_id" gorm:"not null;index"`
+	User   User `json:"user,omitempty" gorm:"foreignKey:UserID"`
+
+	Content string `json:"content" gorm:"not null"`
+	Role    string `json:"role" gorm:"not null"` // "user" or "assistant"
+
+	// Session tracking
+	SessionID string `json:"session_id" gorm:"not null;index"`
+
+	// Metadata
+	TokenCount    int       `json:"token_count"`
+	ModelUsed     string    `json:"model_used"`
+	ProcessingMs  int64     `json:"processing_ms"`
+	ContextItems  []string  `json:"context_items" gorm:"serializer:json"` // IDs of referenced items
+}
+
+// ChatSession represents a chat session
+type ChatSession struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	UserID uint `json:"user_id" gorm:"not null;index"`
+	User   User `json:"user,omitempty" gorm:"foreignKey:UserID"`
+
+	Title string `json:"title"`
+	
+	// Session metadata
+	MessageCount int       `json:"message_count" gorm:"default:0"`
+	LastMessageAt *time.Time `json:"last_message_at"`
+	
+	// Context configuration
+	IncludeBookmarks bool `json:"include_bookmarks" gorm:"default:true"`
+	IncludeTasks     bool `json:"include_tasks" gorm:"default:true"`
+	IncludeFiles     bool `json:"include_files" gorm:"default:true"`
+	IncludeNotes     bool `json:"include_notes" gorm:"default:true"`
+	
+	// Relationships
+	Messages []ChatMessage `json:"messages,omitempty" gorm:"foreignKey:SessionID"`
+}