feat(canvas): 云端 Agent - 完成策略分层、节点能力注册与可解释审批改造

backend/internal/model/models_agent_profile.go

@@ -0,0 +1,24 @@
+package model
+
+import "time"
+
+const (
+	AgentProfileScopeUser    = "user"
+	AgentProfileScopeProject = "project"
+	AgentProfileScopeCanvas  = "canvas"
+)
+
+// AgentProfile stores a durable preference document. It is never an authority:
+// the Agent compiler injects it as untrusted user data after server contracts.
+type AgentProfile struct {
+	ID        string    `json:"id" gorm:"primaryKey;size:36"`
+	UserID    string    `json:"userId" gorm:"size:36;uniqueIndex:idx_agent_profiles_scope,priority:1;index"`
+	Scope     string    `json:"scope" gorm:"size:16;uniqueIndex:idx_agent_profiles_scope,priority:2"`
+	ProjectID string    `json:"projectId,omitempty" gorm:"size:36;uniqueIndex:idx_agent_profiles_scope,priority:3"`
+	CanvasID  string    `json:"canvasId,omitempty" gorm:"size:80;uniqueIndex:idx_agent_profiles_scope,priority:4"`
+	Content   string    `json:"content" gorm:"type:text"`
+	Revision  int64     `json:"revision"`
+	Hash      string    `json:"hash" gorm:"size:64;index"`
+	CreatedAt time.Time `json:"createdAt"`
+	UpdatedAt time.Time `json:"updatedAt"`
+}