Merge branch 'main' into test

backend/ent/schema/api_key.go

@@ -5,6 +5,7 @@ import (
 	"github.com/Wei-Shaw/sub2api/internal/domain"
 
 	"entgo.io/ent"
+	"entgo.io/ent/dialect"
 	"entgo.io/ent/dialect/entsql"
 	"entgo.io/ent/schema"
 	"entgo.io/ent/schema/edge"
@@ -52,6 +53,23 @@ func (APIKey) Fields() []ent.Field {
 		field.JSON("ip_blacklist", []string{}).
 			Optional().
 			Comment("Blocked IPs/CIDRs"),
+
+		// ========== Quota fields ==========
+		// Quota limit in USD (0 = unlimited)
+		field.Float("quota").
+			SchemaType(map[string]string{dialect.Postgres: "decimal(20,8)"}).
+			Default(0).
+			Comment("Quota limit in USD for this API key (0 = unlimited)"),
+		// Used quota amount
+		field.Float("quota_used").
+			SchemaType(map[string]string{dialect.Postgres: "decimal(20,8)"}).
+			Default(0).
+			Comment("Used quota amount in USD"),
+		// Expiration time (nil = never expires)
+		field.Time("expires_at").
+			Optional().
+			Nillable().
+			Comment("Expiration time for this API key (null = never expires)"),
 	}
 }
 
@@ -77,5 +95,8 @@ func (APIKey) Indexes() []ent.Index {
 		index.Fields("group_id"),
 		index.Fields("status"),
 		index.Fields("deleted_at"),
+		// Index for quota queries
+		index.Fields("quota", "quota_used"),
+		index.Fields("expires_at"),
 	}
 }

backend/ent/schema/group.go

@@ -113,6 +113,10 @@ func (Group) Fields() []ent.Field {
 			Optional().
 			Nillable().
 			Comment("非 Claude Code 请求降级使用的分组 ID"),
+		field.Int64("fallback_group_id_on_invalid_request").
+			Optional().
+			Nillable().
+			Comment("无效请求兜底使用的分组 ID"),
 
 		// 模型路由配置 (added by migration 040)
 		field.JSON("model_routing", map[string][]int64{}).
@@ -124,6 +128,17 @@ func (Group) Fields() []ent.Field {
 		field.Bool("model_routing_enabled").
 			Default(false).
 			Comment("是否启用模型路由配置"),
+
+		// MCP XML 协议注入开关 (added by migration 042)
+		field.Bool("mcp_xml_inject").
+			Default(true).
+			Comment("是否注入 MCP XML 调用协议提示词（仅 antigravity 平台）"),
+
+		// 支持的模型系列 (added by migration 046)
+		field.JSON("supported_model_scopes", []string{}).
+			Default([]string{"claude", "gemini_text", "gemini_image"}).
+			SchemaType(map[string]string{dialect.Postgres: "jsonb"}).
+			Comment("支持的模型系列：claude, gemini_text, gemini_image"),
 	}
 }