🎨 重构用户端前端为vue开发，完善基础类和角色相关接口

server/model/app/ai_memory.go

@@ -0,0 +1,26 @@
+package app
+
+import (
+	"git.echol.cn/loser/st/server/global"
+	"github.com/pgvector/pgvector-go"
+	"gorm.io/datatypes"
+)
+
+// AIMemoryVector 向量记忆表（使用 pgvector）
+type AIMemoryVector struct {
+	global.GVA_MODEL
+	UserID      uint            `json:"userId" gorm:"not null;index;comment:所属用户ID"`
+	User        *AppUser        `json:"user" gorm:"foreignKey:UserID"`
+	CharacterID *uint           `json:"characterId" gorm:"index;comment:所属角色ID"`
+	Character   *AICharacter    `json:"character" gorm:"foreignKey:CharacterID"`
+	ChatID      *uint           `json:"chatId" gorm:"index;comment:所属对话ID"`
+	Chat        *AIChat         `json:"chat" gorm:"foreignKey:ChatID"`
+	Content     string          `json:"content" gorm:"type:text;not null;comment:文本内容"`
+	Embedding   pgvector.Vector `json:"-" gorm:"type:vector(1536);comment:向量嵌入"`
+	Metadata    datatypes.JSON  `json:"metadata" gorm:"type:jsonb;comment:元数据"`
+	Importance  float64         `json:"importance" gorm:"default:0.5;comment:重要性评分"`
+}
+
+func (AIMemoryVector) TableName() string {
+	return "ai_memory_vectors"
+}