Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/ent/schema/composite_model_route.go

@@ -0,0 +1,87 @@
+package schema
+
+import (
+	"github.com/Wei-Shaw/sub2api/ent/schema/mixins"
+	"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"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// CompositeModelRoute holds model routing aliases for composite groups.
+type CompositeModelRoute struct {
+	ent.Schema
+}
+
+func (CompositeModelRoute) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		entsql.Annotation{Table: "composite_model_routes"},
+	}
+}
+
+func (CompositeModelRoute) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		mixins.TimeMixin{},
+		mixins.SoftDeleteMixin{},
+	}
+}
+
+func (CompositeModelRoute) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int64("group_id"),
+		field.String("public_model").
+			MaxLen(200).
+			NotEmpty().
+			Comment("Client-facing model identifier or prefix."),
+		field.String("match_type").
+			MaxLen(20).
+			Default("exact").
+			Comment("exact or prefix."),
+		field.String("target_platform").
+			MaxLen(50).
+			Default(domain.PlatformOpenAI).
+			Comment("Concrete provider platform."),
+		field.String("upstream_model").
+			MaxLen(200).
+			Default("").
+			Comment("Provider model identifier; empty means public_model."),
+		field.String("endpoint").
+			MaxLen(50).
+			Default("any").
+			Comment("Endpoint scope such as any, messages, responses, chat_completions."),
+		field.Int("priority").
+			Default(100).
+			Comment("Lower values win within the same match strength."),
+		field.Bool("enabled").
+			Default(true),
+		field.String("notes").
+			Optional().
+			Nillable().
+			SchemaType(map[string]string{dialect.Postgres: "text"}),
+	}
+}
+
+func (CompositeModelRoute) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("group", Group.Type).
+			Unique().
+			Required().
+			Field("group_id"),
+	}
+}
+
+func (CompositeModelRoute) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("group_id"),
+		index.Fields("group_id", "enabled"),
+		index.Fields("group_id", "endpoint"),
+		index.Fields("group_id", "target_platform"),
+		index.Fields("deleted_at"),
+		index.Fields("priority"),
+	}
+}