chore: apply stashed changes

backend/ent/group.go

@@ -64,6 +64,8 @@ type Group struct {
 	ModelRoutingEnabled bool `json:"model_routing_enabled,omitempty"`
 	// 是否注入 MCP XML 调用协议提示词（仅 antigravity 平台）
 	McpXMLInject bool `json:"mcp_xml_inject,omitempty"`
+	// 支持的模型系列：claude, gemini_text, gemini_image
+	SupportedModelScopes []string `json:"supported_model_scopes,omitempty"`
 	// Edges holds the relations/edges for other nodes in the graph.
 	// The values are being populated by the GroupQuery when eager-loading is set.
 	Edges        GroupEdges `json:"edges"`
@@ -170,7 +172,7 @@ func (*Group) scanValues(columns []string) ([]any, error) {
 	values := make([]any, len(columns))
 	for i := range columns {
 		switch columns[i] {
-		case group.FieldModelRouting:
+		case group.FieldModelRouting, group.FieldSupportedModelScopes:
 			values[i] = new([]byte)
 		case group.FieldIsExclusive, group.FieldClaudeCodeOnly, group.FieldModelRoutingEnabled, group.FieldMcpXMLInject:
 			values[i] = new(sql.NullBool)
@@ -353,6 +355,14 @@ func (_m *Group) assignValues(columns []string, values []any) error {
 			} else if value.Valid {
 				_m.McpXMLInject = value.Bool
 			}
+		case group.FieldSupportedModelScopes:
+			if value, ok := values[i].(*[]byte); !ok {
+				return fmt.Errorf("unexpected type %T for field supported_model_scopes", values[i])
+			} else if value != nil && len(*value) > 0 {
+				if err := json.Unmarshal(*value, &_m.SupportedModelScopes); err != nil {
+					return fmt.Errorf("unmarshal field supported_model_scopes: %w", err)
+				}
+			}
 		default:
 			_m.selectValues.Set(columns[i], values[i])
 		}
@@ -517,6 +527,9 @@ func (_m *Group) String() string {
 	builder.WriteString(", ")
 	builder.WriteString("mcp_xml_inject=")
 	builder.WriteString(fmt.Sprintf("%v", _m.McpXMLInject))
+	builder.WriteString(", ")
+	builder.WriteString("supported_model_scopes=")
+	builder.WriteString(fmt.Sprintf("%v", _m.SupportedModelScopes))
 	builder.WriteByte(')')
 	return builder.String()
 }

backend/ent/group/group.go

@@ -61,6 +61,8 @@ const (
 	FieldModelRoutingEnabled = "model_routing_enabled"
 	// FieldMcpXMLInject holds the string denoting the mcp_xml_inject field in the database.
 	FieldMcpXMLInject = "mcp_xml_inject"
+	// FieldSupportedModelScopes holds the string denoting the supported_model_scopes field in the database.
+	FieldSupportedModelScopes = "supported_model_scopes"
 	// EdgeAPIKeys holds the string denoting the api_keys edge name in mutations.
 	EdgeAPIKeys = "api_keys"
 	// EdgeRedeemCodes holds the string denoting the redeem_codes edge name in mutations.
@@ -159,6 +161,7 @@ var Columns = []string{
 	FieldModelRouting,
 	FieldModelRoutingEnabled,
 	FieldMcpXMLInject,
+	FieldSupportedModelScopes,
 }
 
 var (
@@ -220,6 +223,8 @@ var (
 	DefaultModelRoutingEnabled bool
 	// DefaultMcpXMLInject holds the default value on creation for the "mcp_xml_inject" field.
 	DefaultMcpXMLInject bool
+	// DefaultSupportedModelScopes holds the default value on creation for the "supported_model_scopes" field.
+	DefaultSupportedModelScopes []string
 )
 
 // OrderOption defines the ordering options for the Group queries.

backend/ent/group_create.go

@@ -334,6 +334,12 @@ func (_c *GroupCreate) SetNillableMcpXMLInject(v *bool) *GroupCreate {
 	return _c
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (_c *GroupCreate) SetSupportedModelScopes(v []string) *GroupCreate {
+	_c.mutation.SetSupportedModelScopes(v)
+	return _c
+}
+
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_c *GroupCreate) AddAPIKeyIDs(ids ...int64) *GroupCreate {
 	_c.mutation.AddAPIKeyIDs(ids...)
@@ -511,6 +517,10 @@ func (_c *GroupCreate) defaults() error {
 		v := group.DefaultMcpXMLInject
 		_c.mutation.SetMcpXMLInject(v)
 	}
+	if _, ok := _c.mutation.SupportedModelScopes(); !ok {
+		v := group.DefaultSupportedModelScopes
+		_c.mutation.SetSupportedModelScopes(v)
+	}
 	return nil
 }
 
@@ -572,6 +582,9 @@ func (_c *GroupCreate) check() error {
 	if _, ok := _c.mutation.McpXMLInject(); !ok {
 		return &ValidationError{Name: "mcp_xml_inject", err: errors.New(`ent: missing required field "Group.mcp_xml_inject"`)}
 	}
+	if _, ok := _c.mutation.SupportedModelScopes(); !ok {
+		return &ValidationError{Name: "supported_model_scopes", err: errors.New(`ent: missing required field "Group.supported_model_scopes"`)}
+	}
 	return nil
 }
 
@@ -691,6 +704,10 @@ func (_c *GroupCreate) createSpec() (*Group, *sqlgraph.CreateSpec) {
 		_spec.SetField(group.FieldMcpXMLInject, field.TypeBool, value)
 		_node.McpXMLInject = value
 	}
+	if value, ok := _c.mutation.SupportedModelScopes(); ok {
+		_spec.SetField(group.FieldSupportedModelScopes, field.TypeJSON, value)
+		_node.SupportedModelScopes = value
+	}
 	if nodes := _c.mutation.APIKeysIDs(); len(nodes) > 0 {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,
@@ -1237,6 +1254,18 @@ func (u *GroupUpsert) UpdateMcpXMLInject() *GroupUpsert {
 	return u
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (u *GroupUpsert) SetSupportedModelScopes(v []string) *GroupUpsert {
+	u.Set(group.FieldSupportedModelScopes, v)
+	return u
+}
+
+// UpdateSupportedModelScopes sets the "supported_model_scopes" field to the value that was provided on create.
+func (u *GroupUpsert) UpdateSupportedModelScopes() *GroupUpsert {
+	u.SetExcluded(group.FieldSupportedModelScopes)
+	return u
+}
+
 // UpdateNewValues updates the mutable fields using the new values that were set on create.
 // Using this option is equivalent to using:
 //
@@ -1737,6 +1766,20 @@ func (u *GroupUpsertOne) UpdateMcpXMLInject() *GroupUpsertOne {
 	})
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (u *GroupUpsertOne) SetSupportedModelScopes(v []string) *GroupUpsertOne {
+	return u.Update(func(s *GroupUpsert) {
+		s.SetSupportedModelScopes(v)
+	})
+}
+
+// UpdateSupportedModelScopes sets the "supported_model_scopes" field to the value that was provided on create.
+func (u *GroupUpsertOne) UpdateSupportedModelScopes() *GroupUpsertOne {
+	return u.Update(func(s *GroupUpsert) {
+		s.UpdateSupportedModelScopes()
+	})
+}
+
 // Exec executes the query.
 func (u *GroupUpsertOne) Exec(ctx context.Context) error {
 	if len(u.create.conflict) == 0 {
@@ -2403,6 +2446,20 @@ func (u *GroupUpsertBulk) UpdateMcpXMLInject() *GroupUpsertBulk {
 	})
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (u *GroupUpsertBulk) SetSupportedModelScopes(v []string) *GroupUpsertBulk {
+	return u.Update(func(s *GroupUpsert) {
+		s.SetSupportedModelScopes(v)
+	})
+}
+
+// UpdateSupportedModelScopes sets the "supported_model_scopes" field to the value that was provided on create.
+func (u *GroupUpsertBulk) UpdateSupportedModelScopes() *GroupUpsertBulk {
+	return u.Update(func(s *GroupUpsert) {
+		s.UpdateSupportedModelScopes()
+	})
+}
+
 // Exec executes the query.
 func (u *GroupUpsertBulk) Exec(ctx context.Context) error {
 	if u.create.err != nil {

backend/ent/group_update.go

@@ -10,6 +10,7 @@ import (
 
 	"entgo.io/ent/dialect/sql"
 	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/dialect/sql/sqljson"
 	"entgo.io/ent/schema/field"
 	"github.com/Wei-Shaw/sub2api/ent/account"
 	"github.com/Wei-Shaw/sub2api/ent/apikey"
@@ -462,6 +463,18 @@ func (_u *GroupUpdate) SetNillableMcpXMLInject(v *bool) *GroupUpdate {
 	return _u
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (_u *GroupUpdate) SetSupportedModelScopes(v []string) *GroupUpdate {
+	_u.mutation.SetSupportedModelScopes(v)
+	return _u
+}
+
+// AppendSupportedModelScopes appends value to the "supported_model_scopes" field.
+func (_u *GroupUpdate) AppendSupportedModelScopes(v []string) *GroupUpdate {
+	_u.mutation.AppendSupportedModelScopes(v)
+	return _u
+}
+
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_u *GroupUpdate) AddAPIKeyIDs(ids ...int64) *GroupUpdate {
 	_u.mutation.AddAPIKeyIDs(ids...)
@@ -891,6 +904,14 @@ func (_u *GroupUpdate) sqlSave(ctx context.Context) (_node int, err error) {
 	if value, ok := _u.mutation.McpXMLInject(); ok {
 		_spec.SetField(group.FieldMcpXMLInject, field.TypeBool, value)
 	}
+	if value, ok := _u.mutation.SupportedModelScopes(); ok {
+		_spec.SetField(group.FieldSupportedModelScopes, field.TypeJSON, value)
+	}
+	if value, ok := _u.mutation.AppendedSupportedModelScopes(); ok {
+		_spec.AddModifier(func(u *sql.UpdateBuilder) {
+			sqljson.Append(u, group.FieldSupportedModelScopes, value)
+		})
+	}
 	if _u.mutation.APIKeysCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,
@@ -1633,6 +1654,18 @@ func (_u *GroupUpdateOne) SetNillableMcpXMLInject(v *bool) *GroupUpdateOne {
 	return _u
 }
 
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (_u *GroupUpdateOne) SetSupportedModelScopes(v []string) *GroupUpdateOne {
+	_u.mutation.SetSupportedModelScopes(v)
+	return _u
+}
+
+// AppendSupportedModelScopes appends value to the "supported_model_scopes" field.
+func (_u *GroupUpdateOne) AppendSupportedModelScopes(v []string) *GroupUpdateOne {
+	_u.mutation.AppendSupportedModelScopes(v)
+	return _u
+}
+
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_u *GroupUpdateOne) AddAPIKeyIDs(ids ...int64) *GroupUpdateOne {
 	_u.mutation.AddAPIKeyIDs(ids...)
@@ -2092,6 +2125,14 @@ func (_u *GroupUpdateOne) sqlSave(ctx context.Context) (_node *Group, err error)
 	if value, ok := _u.mutation.McpXMLInject(); ok {
 		_spec.SetField(group.FieldMcpXMLInject, field.TypeBool, value)
 	}
+	if value, ok := _u.mutation.SupportedModelScopes(); ok {
+		_spec.SetField(group.FieldSupportedModelScopes, field.TypeJSON, value)
+	}
+	if value, ok := _u.mutation.AppendedSupportedModelScopes(); ok {
+		_spec.AddModifier(func(u *sql.UpdateBuilder) {
+			sqljson.Append(u, group.FieldSupportedModelScopes, value)
+		})
+	}
 	if _u.mutation.APIKeysCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,

backend/ent/migrate/schema.go

@@ -322,6 +322,7 @@ var (
 		{Name: "model_routing", Type: field.TypeJSON, Nullable: true, SchemaType: map[string]string{"postgres": "jsonb"}},
 		{Name: "model_routing_enabled", Type: field.TypeBool, Default: false},
 		{Name: "mcp_xml_inject", Type: field.TypeBool, Default: true},
+		{Name: "supported_model_scopes", Type: field.TypeJSON, SchemaType: map[string]string{"postgres": "jsonb"}},
 	}
 	// GroupsTable holds the schema information for the "groups" table.
 	GroupsTable = &schema.Table{

backend/ent/mutation.go

@@ -5542,6 +5542,8 @@ type GroupMutation struct {
 	model_routing                           *map[string][]int64
 	model_routing_enabled                   *bool
 	mcp_xml_inject                          *bool
+	supported_model_scopes                  *[]string
+	appendsupported_model_scopes            []string
 	clearedFields                           map[string]struct{}
 	api_keys                                map[int64]struct{}
 	removedapi_keys                         map[int64]struct{}
@@ -6843,6 +6845,57 @@ func (m *GroupMutation) ResetMcpXMLInject() {
 	m.mcp_xml_inject = nil
 }
+// SetSupportedModelScopes sets the "supported_model_scopes" field.
+func (m *GroupMutation) SetSupportedModelScopes(s []string) {
+	m.supported_model_scopes = &s
+	m.appendsupported_model_scopes = nil
+}
+
+// SupportedModelScopes returns the value of the "supported_model_scopes" field in the mutation.
+func (m *GroupMutation) SupportedModelScopes() (r []string, exists bool) {
+	v := m.supported_model_scopes
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldSupportedModelScopes returns the old "supported_model_scopes" field's value of the Group entity.
+// If the Group object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *GroupMutation) OldSupportedModelScopes(ctx context.Context) (v []string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldSupportedModelScopes is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldSupportedModelScopes requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldSupportedModelScopes: %w", err)
+	}
+	return oldValue.SupportedModelScopes, nil
+}
+
+// AppendSupportedModelScopes adds s to the "supported_model_scopes" field.
+func (m *GroupMutation) AppendSupportedModelScopes(s []string) {
+	m.appendsupported_model_scopes = append(m.appendsupported_model_scopes, s...)
+}
+
+// AppendedSupportedModelScopes returns the list of values that were appended to the "supported_model_scopes" field in this mutation.
+func (m *GroupMutation) AppendedSupportedModelScopes() ([]string, bool) {
+	if len(m.appendsupported_model_scopes) == 0 {
+		return nil, false
+	}
+	return m.appendsupported_model_scopes, true
+}
+
+// ResetSupportedModelScopes resets all changes to the "supported_model_scopes" field.
+func (m *GroupMutation) ResetSupportedModelScopes() {
+	m.supported_model_scopes = nil
+	m.appendsupported_model_scopes = nil
+}
+
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by ids.
 func (m *GroupMutation) AddAPIKeyIDs(ids ...int64) {
 	if m.api_keys == nil {
@@ -7201,7 +7254,7 @@ func (m *GroupMutation) Type() string {
 // order to get all numeric fields that were incremented/decremented, call
 // AddedFields().
 func (m *GroupMutation) Fields() []string {
-	fields := make([]string, 0, 23)
+	fields := make([]string, 0, 24)
 	if m.created_at != nil {
 		fields = append(fields, group.FieldCreatedAt)
 	}
@@ -7271,6 +7324,9 @@ func (m *GroupMutation) Fields() []string {
 	if m.mcp_xml_inject != nil {
 		fields = append(fields, group.FieldMcpXMLInject)
 	}
+	if m.supported_model_scopes != nil {
+		fields = append(fields, group.FieldSupportedModelScopes)
+	}
 	return fields
 }
@@ -7325,6 +7381,8 @@ func (m *GroupMutation) Field(name string) (ent.Value, bool) {
 		return m.ModelRoutingEnabled()
 	case group.FieldMcpXMLInject:
 		return m.McpXMLInject()
+	case group.FieldSupportedModelScopes:
+		return m.SupportedModelScopes()
 	}
 	return nil, false
 }
@@ -7380,6 +7438,8 @@ func (m *GroupMutation) OldField(ctx context.Context, name string) (ent.Value, e
 		return m.OldModelRoutingEnabled(ctx)
 	case group.FieldMcpXMLInject:
 		return m.OldMcpXMLInject(ctx)
+	case group.FieldSupportedModelScopes:
+		return m.OldSupportedModelScopes(ctx)
 	}
 	return nil, fmt.Errorf("unknown Group field %s", name)
 }
@@ -7550,6 +7610,13 @@ func (m *GroupMutation) SetField(name string, value ent.Value) error {
 		}
 		m.SetMcpXMLInject(v)
 		return nil
+	case group.FieldSupportedModelScopes:
+		v, ok := value.([]string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetSupportedModelScopes(v)
+		return nil
 	}
 	return fmt.Errorf("unknown Group field %s", name)
 }
@@ -7860,6 +7927,9 @@ func (m *GroupMutation) ResetField(name string) error {
 	case group.FieldMcpXMLInject:
 		m.ResetMcpXMLInject()
 		return nil
+	case group.FieldSupportedModelScopes:
+		m.ResetSupportedModelScopes()
+		return nil
 	}
 	return fmt.Errorf("unknown Group field %s", name)
 }

backend/ent/runtime/runtime.go

@@ -341,6 +341,10 @@ func init() {
 	groupDescMcpXMLInject := groupFields[19].Descriptor()
 	// group.DefaultMcpXMLInject holds the default value on creation for the mcp_xml_inject field.
 	group.DefaultMcpXMLInject = groupDescMcpXMLInject.Default.(bool)
+	// groupDescSupportedModelScopes is the schema descriptor for supported_model_scopes field.
+	groupDescSupportedModelScopes := groupFields[20].Descriptor()
+	// group.DefaultSupportedModelScopes holds the default value on creation for the supported_model_scopes field.
+	group.DefaultSupportedModelScopes = groupDescSupportedModelScopes.Default.([]string)
 	promocodeFields := schema.PromoCode{}.Fields()
 	_ = promocodeFields
 	// promocodeDescCode is the schema descriptor for code field.

backend/ent/schema/group.go

@@ -115,6 +115,12 @@ func (Group) Fields() []ent.Field {
 		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"),
 	}
 }
 

backend/go.mod

@@ -4,6 +4,8 @@ go 1.25.6
 
 require (
 	entgo.io/ent v0.14.5
+	github.com/DATA-DOG/go-sqlmock v1.5.2
+	github.com/dgraph-io/ristretto v0.2.0
 	github.com/gin-gonic/gin v1.9.1
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/google/uuid v1.6.0
@@ -11,7 +13,10 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/imroc/req/v3 v3.57.0
 	github.com/lib/pq v1.10.9
+	github.com/pquerna/otp v1.5.0
 	github.com/redis/go-redis/v9 v9.17.2
+	github.com/refraction-networking/utls v1.8.1
+	github.com/robfig/cron/v3 v3.0.1
 	github.com/shirou/gopsutil/v4 v4.25.6
 	github.com/spf13/viper v1.18.2
 	github.com/stretchr/testify v1.11.1
@@ -25,6 +30,7 @@ require (
 	golang.org/x/sync v0.19.0
 	golang.org/x/term v0.38.0
 	gopkg.in/yaml.v3 v3.0.1
+	modernc.org/sqlite v1.44.3
 )
 
 require (
@@ -36,6 +42,7 @@ require (
 	github.com/andybalholm/brotli v1.2.0 // indirect
 	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
 	github.com/bmatcuk/doublestar v1.3.4 // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
 	github.com/bytedance/sonic v1.9.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
@@ -46,7 +53,6 @@ require (
 	github.com/containerd/platforms v0.2.1 // indirect
 	github.com/cpuguy83/dockercfg v0.3.2 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/dgraph-io/ristretto v0.2.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/docker v28.5.1+incompatible // indirect
@@ -97,6 +103,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.1 // indirect
@@ -106,9 +113,8 @@ require (
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/quic-go/quic-go v0.57.1 // indirect
-	github.com/refraction-networking/utls v1.8.1 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
-	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
@@ -139,13 +145,15 @@ require (
 	go.uber.org/automaxprocs v1.6.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
 	golang.org/x/mod v0.30.0 // indirect
 	golang.org/x/sys v0.39.0 // indirect
 	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/tools v0.39.0 // indirect
-	golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated // indirect
 	google.golang.org/grpc v1.75.1 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
+	modernc.org/libc v1.67.6 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
 )

backend/go.sum

@@ -20,6 +20,8 @@ github.com/apparentlymart/go-textseg/v15 v15.0.0 h1:uYvfpb3DyLSCGWnctWKGj857c6ew
 github.com/apparentlymart/go-textseg/v15 v15.0.0/go.mod h1:K8XmNZdhEBkdlyDdvbmmsvpAG721bKi0joRfFdHIWJ4=
 github.com/bmatcuk/doublestar v1.3.4 h1:gPypJ5xD31uhX6Tf54sDPUOBXTqKH4c9aPY66CyQrS0=
 github.com/bmatcuk/doublestar v1.3.4/go.mod h1:wiQtGV+rzVYxB7WIlirSN++5HPtPlXEo9MEoZQC/PmE=
+github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc h1:biVzkmvwrH8WK8raXaxBx6fRVTlJILwEwQGL1I/ByEI=
+github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
@@ -53,6 +55,8 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgraph-io/ristretto v0.2.0 h1:XAfl+7cmoUDWW/2Lx8TGZQjjxIQ2Ley9DSf52dru4WE=
 github.com/dgraph-io/ristretto v0.2.0/go.mod h1:8uBHCU/PBV4Ag0CJrP47b9Ofby5dqWNh4FicAdoqFNU=
+github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 h1:fAjc9m62+UWV/WAFKLNi6ZS0675eEUC9y3AlwSbQu1Y=
+github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
@@ -111,6 +115,8 @@ github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX
 github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/subcommands v1.2.0 h1:vWQspBTo2nEqTUFita5/KeEWlUL8kQObDFbub/EN9oE=
 github.com/google/subcommands v1.2.0/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -121,6 +127,9 @@ github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aN
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 h1:NmZ1PKzSTQbuGHw9DGPFomqkkLWMC+vZCkfs+FHv1Vg=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3/go.mod h1:zQrxl1YP88HQlA6i9c63DSVPFklWpGX4OWAc9bFuaH4=
+github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
+github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
+github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/hcl/v2 v2.18.1 h1:6nxnOJFku1EuSawSD81fuviYUV8DxFr3fp2dUi3ZYSo=
@@ -141,6 +150,7 @@ github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/kisielk/sqlstruct v0.0.0-20201105191214-5f3e10d3ab46/go.mod h1:yyMNCyc/Ib3bDTKd379tNMpB/7/H5TjM2Y9QJ5THLbE=
 github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
 github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
@@ -199,6 +209,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
 github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
@@ -214,6 +226,8 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c h1:ncq/mPwQF4JjgDlrVEn3C11VoGHZN7m8qihwgMEtzYw=
 github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
+github.com/pquerna/otp v1.5.0 h1:NMMR+WrmaqXU4EzdGJEE1aUUI0AMRzsp96fFFWNPwxs=
+github.com/pquerna/otp v1.5.0/go.mod h1:dkJfzwRKNiegxyNb54X/3fLwhCynbMspSyWKnvi1AEg=
 github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
 github.com/prashantv/gostub v1.1.0/go.mod h1:A5zLQHz7ieHGG7is6LLXLz7I8+3LZzsrV0P1IAHhP5U=
 github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=
@@ -224,6 +238,8 @@ github.com/redis/go-redis/v9 v9.17.2 h1:P2EGsA4qVIM3Pp+aPocCJ7DguDHhqrXNhVcEp4Vi
 github.com/redis/go-redis/v9 v9.17.2/go.mod h1:u410H11HMLoB+TP67dz8rL9s6QW2j76l0//kSOd3370=
 github.com/refraction-networking/utls v1.8.1 h1:yNY1kapmQU8JeM1sSw2H2asfTIwWxIkrMJI0pRUOCAo=
 github.com/refraction-networking/utls v1.8.1/go.mod h1:jkSOEkLqn+S/jtpEHPOsVv/4V4EVnelwbMQl4vCWXAM=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
@@ -336,8 +352,8 @@ golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
 golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
 golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
+golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 h1:mgKeJMpvi0yx/sU5GsxQ7p6s2wtOnGAHZWCHUM4KGzY=
+golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
 golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
 golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
 golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
@@ -363,8 +379,8 @@ golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
 golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
 golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
 golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
-golang.org/x/tools/go/expect v0.1.0-deprecated h1:jY2C5HGYR5lqex3gEniOQL0r7Dq5+VGVgY1nudX5lXY=
-golang.org/x/tools/go/expect v0.1.0-deprecated/go.mod h1:eihoPOH+FgIqa3FpoTwguz/bVUSGBlGQU67vpBeOrBY=
+golang.org/x/tools/go/expect v0.1.1-deprecated h1:jpBZDwmgPhXsKZC6WhL20P4b/wmnpsEAGHaNy0n/rJM=
+golang.org/x/tools/go/expect v0.1.1-deprecated/go.mod h1:eihoPOH+FgIqa3FpoTwguz/bVUSGBlGQU67vpBeOrBY=
 golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated h1:1h2MnaIAIXISqTFKdENegdpAgUXz6NrPEsbIeWaBRvM=
 golang.org/x/tools/go/packages/packagestest v0.1.1-deprecated/go.mod h1:RVAQXBGNv1ib0J382/DPCRS/BPnsGebyM1Gj5VSDpG8=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -387,4 +403,32 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
 gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
+modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
+modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.30.1 h1:4r4U1J6Fhj98NKfSjnPUN7Ze2c6MnAdL0hWw6+LrJpc=
+modernc.org/ccgo/v4 v4.30.1/go.mod h1:bIOeI1JL54Utlxn+LwrFyjCx2n2RDiYEaJVSrgdrRfM=
+modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
+modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
+modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
+modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE=
+modernc.org/gc/v3 v3.1.1/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
+modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
+modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
+modernc.org/libc v1.67.6 h1:eVOQvpModVLKOdT+LvBPjdQqfrZq+pC39BygcT+E7OI=
+modernc.org/libc v1.67.6/go.mod h1:JAhxUVlolfYDErnwiqaLvUqc8nfb2r6S6slAgZOnaiE=
+modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
+modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
+modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
+modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
+modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
+modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.44.3 h1:+39JvV/HWMcYslAwRxHb8067w+2zowvFOUrOWIy9PjY=
+modernc.org/sqlite v1.44.3/go.mod h1:CzbrU2lSB1DKUusvwGz7rqEKIq+NUd8GWuBBZDs9/nA=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

backend/internal/domain/constants.go

@@ -29,6 +29,7 @@ const (
 	AccountTypeOAuth      = "oauth"       // OAuth类型账号（full scope: profile + inference）
 	AccountTypeSetupToken = "setup-token" // Setup Token类型账号（inference only scope）
 	AccountTypeAPIKey     = "apikey"      // API Key类型账号
+	AccountTypeUpstream   = "upstream"    // 上游透传类型账号（通过 Base URL + API Key 连接上游）
 )
 
 // Redeem type constants

backend/internal/handler/admin/account_handler.go

@@ -84,7 +84,7 @@ type CreateAccountRequest struct {
 	Name                    string         `json:"name" binding:"required"`
 	Notes                   *string        `json:"notes"`
 	Platform                string         `json:"platform" binding:"required"`
-	Type                    string         `json:"type" binding:"required,oneof=oauth setup-token apikey"`
+	Type                    string         `json:"type" binding:"required,oneof=oauth setup-token apikey upstream"`
 	Credentials             map[string]any `json:"credentials" binding:"required"`
 	Extra                   map[string]any `json:"extra"`
 	ProxyID                 *int64         `json:"proxy_id"`
@@ -102,7 +102,7 @@ type CreateAccountRequest struct {
 type UpdateAccountRequest struct {
 	Name                    string         `json:"name"`
 	Notes                   *string        `json:"notes"`
-	Type                    string         `json:"type" binding:"omitempty,oneof=oauth setup-token apikey"`
+	Type                    string         `json:"type" binding:"omitempty,oneof=oauth setup-token apikey upstream"`
 	Credentials             map[string]any `json:"credentials"`
 	Extra                   map[string]any `json:"extra"`
 	ProxyID                 *int64         `json:"proxy_id"`

backend/internal/handler/admin/group_handler.go

@@ -45,6 +45,8 @@ type CreateGroupRequest struct {
 	ModelRouting        map[string][]int64 `json:"model_routing"`
 	ModelRoutingEnabled bool               `json:"model_routing_enabled"`
 	MCPXMLInject        *bool              `json:"mcp_xml_inject"`
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes []string `json:"supported_model_scopes"`
 }
 
 // UpdateGroupRequest represents update group request
@@ -70,6 +72,8 @@ type UpdateGroupRequest struct {
 	ModelRouting        map[string][]int64 `json:"model_routing"`
 	ModelRoutingEnabled *bool              `json:"model_routing_enabled"`
 	MCPXMLInject        *bool              `json:"mcp_xml_inject"`
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes *[]string `json:"supported_model_scopes"`
 }
 
 // List handles listing all groups with pagination
@@ -177,6 +181,7 @@ func (h *GroupHandler) Create(c *gin.Context) {
 		ModelRouting:                    req.ModelRouting,
 		ModelRoutingEnabled:             req.ModelRoutingEnabled,
 		MCPXMLInject:                    req.MCPXMLInject,
+		SupportedModelScopes:            req.SupportedModelScopes,
 	})
 	if err != nil {
 		response.ErrorFrom(c, err)
@@ -221,6 +226,7 @@ func (h *GroupHandler) Update(c *gin.Context) {
 		ModelRouting:                    req.ModelRouting,
 		ModelRoutingEnabled:             req.ModelRoutingEnabled,
 		MCPXMLInject:                    req.MCPXMLInject,
+		SupportedModelScopes:            req.SupportedModelScopes,
 	})
 	if err != nil {
 		response.ErrorFrom(c, err)

backend/internal/handler/dto/types.go

@@ -88,6 +88,8 @@ type AdminGroup struct {
 	// MCP XML 协议注入（仅 antigravity 平台使用）
 	MCPXMLInject bool `json:"mcp_xml_inject"`
 
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes []string `json:"supported_model_scopes"`
 	AccountGroups []AccountGroup `json:"account_groups,omitempty"`
 	AccountCount  int64          `json:"account_count,omitempty"`
 }

backend/internal/repository/api_key_repo.go

@@ -140,6 +140,7 @@ func (r *apiKeyRepository) GetByKeyForAuth(ctx context.Context, key string) (*se
 				group.FieldModelRoutingEnabled,
 				group.FieldModelRouting,
 				group.FieldMcpXMLInject,
+				group.FieldSupportedModelScopes,
 			)
 		}).
 		Only(ctx)
@@ -433,6 +434,7 @@ func groupEntityToService(g *dbent.Group) *service.Group {
 		ModelRouting:                    g.ModelRouting,
 		ModelRoutingEnabled:             g.ModelRoutingEnabled,
 		MCPXMLInject:                    g.McpXMLInject,
+		SupportedModelScopes:            g.SupportedModelScopes,
 		CreatedAt:                       g.CreatedAt,
 		UpdatedAt:                       g.UpdatedAt,
 	}

backend/internal/repository/group_repo.go

@@ -59,6 +59,9 @@ func (r *groupRepository) Create(ctx context.Context, groupIn *service.Group) er
 		builder = builder.SetModelRouting(groupIn.ModelRouting)
 	}
 
+	// 设置支持的模型系列（始终设置，空数组表示不限制）
+	builder = builder.SetSupportedModelScopes(groupIn.SupportedModelScopes)
+
 	created, err := builder.Save(ctx)
 	if err == nil {
 		groupIn.ID = created.ID
@@ -89,7 +92,6 @@ func (r *groupRepository) GetByIDLite(ctx context.Context, id int64) (*service.G
 	if err != nil {
 		return nil, translatePersistenceError(err, service.ErrGroupNotFound, nil)
 	}
-
 	return groupEntityToService(m), nil
 }
 
@@ -133,6 +135,9 @@ func (r *groupRepository) Update(ctx context.Context, groupIn *service.Group) er
 		builder = builder.ClearModelRouting()
 	}
 
+	// 处理 SupportedModelScopes（始终设置，空数组表示不限制）
+	builder = builder.SetSupportedModelScopes(groupIn.SupportedModelScopes)
+
 	updated, err := builder.Save(ctx)
 	if err != nil {
 		return translatePersistenceError(err, service.ErrGroupNotFound, service.ErrGroupExists)

backend/internal/service/admin_service.go

@@ -113,6 +113,8 @@ type CreateGroupInput struct {
 	ModelRouting        map[string][]int64
 	ModelRoutingEnabled bool // 是否启用模型路由
 	MCPXMLInject        *bool
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes []string
 }
 
 type UpdateGroupInput struct {
@@ -138,6 +140,8 @@ type UpdateGroupInput struct {
 	ModelRouting        map[string][]int64
 	ModelRoutingEnabled *bool // 是否启用模型路由
 	MCPXMLInject        *bool
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes *[]string
 }
 
 type CreateAccountInput struct {
@@ -613,6 +617,7 @@ func (s *adminServiceImpl) CreateGroup(ctx context.Context, input *CreateGroupIn
 		FallbackGroupIDOnInvalidRequest: fallbackOnInvalidRequest,
 		ModelRouting:                    input.ModelRouting,
 		MCPXMLInject:                    mcpXMLInject,
+		SupportedModelScopes:            input.SupportedModelScopes,
 	}
 	if err := s.groupRepo.Create(ctx, group); err != nil {
 		return nil, err
@@ -797,6 +802,11 @@ func (s *adminServiceImpl) UpdateGroup(ctx context.Context, id int64, input *Upd
 		group.MCPXMLInject = *input.MCPXMLInject
 	}
 
+	// 支持的模型系列（仅 antigravity 平台使用）
+	if input.SupportedModelScopes != nil {
+		group.SupportedModelScopes = *input.SupportedModelScopes
+	}
+
 	if err := s.groupRepo.Update(ctx, group); err != nil {
 		return nil, err
 	}

backend/internal/service/antigravity_gateway_service.go

@@ -412,6 +412,11 @@ type TestConnectionResult struct {
 // TestConnection 测试 Antigravity 账号连接（非流式，无重试、无计费）
 // 支持 Claude 和 Gemini 两种协议，根据 modelID 前缀自动选择
 func (s *AntigravityGatewayService) TestConnection(ctx context.Context, account *Account, modelID string) (*TestConnectionResult, error) {
+	// 上游透传账号使用专用测试方法
+	if account.Type == AccountTypeUpstream {
+		return s.testUpstreamConnection(ctx, account, modelID)
+	}
+
 	// 获取 token
 	if s.tokenProvider == nil {
 		return nil, errors.New("antigravity token provider not configured")
@@ -506,6 +511,87 @@ func (s *AntigravityGatewayService) TestConnection(ctx context.Context, account
 	return nil, lastErr
 }
 
+// testUpstreamConnection 测试上游透传账号连接
+func (s *AntigravityGatewayService) testUpstreamConnection(ctx context.Context, account *Account, modelID string) (*TestConnectionResult, error) {
+	baseURL := strings.TrimSpace(account.GetCredential("base_url"))
+	apiKey := strings.TrimSpace(account.GetCredential("api_key"))
+	if baseURL == "" || apiKey == "" {
+		return nil, errors.New("upstream account missing base_url or api_key")
+	}
+	baseURL = strings.TrimSuffix(baseURL, "/")
+
+	// 使用 Claude 模型进行测试
+	if modelID == "" {
+		modelID = "claude-sonnet-4-20250514"
+	}
+
+	// 构建最小测试请求
+	testReq := map[string]any{
+		"model":      modelID,
+		"max_tokens": 1,
+		"messages": []map[string]any{
+			{"role": "user", "content": "."},
+		},
+	}
+	requestBody, err := json.Marshal(testReq)
+	if err != nil {
+		return nil, fmt.Errorf("构建请求失败: %w", err)
+	}
+
+	// 构建 HTTP 请求
+	upstreamURL := baseURL + "/v1/messages"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, upstreamURL, bytes.NewReader(requestBody))
+	if err != nil {
+		return nil, fmt.Errorf("创建请求失败: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+apiKey)
+	req.Header.Set("x-api-key", apiKey)
+	req.Header.Set("anthropic-version", "2023-06-01")
+
+	// 代理 URL
+	proxyURL := ""
+	if account.ProxyID != nil && account.Proxy != nil {
+		proxyURL = account.Proxy.URL()
+	}
+
+	log.Printf("[antigravity-Test-Upstream] account=%s url=%s", account.Name, upstreamURL)
+
+	// 发送请求
+	resp, err := s.httpUpstream.Do(req, proxyURL, account.ID, account.Concurrency)
+	if err != nil {
+		return nil, fmt.Errorf("请求失败: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	respBody, err := io.ReadAll(io.LimitReader(resp.Body, 2<<20))
+	if err != nil {
+		return nil, fmt.Errorf("读取响应失败: %w", err)
+	}
+
+	if resp.StatusCode >= 400 {
+		return nil, fmt.Errorf("API 返回 %d: %s", resp.StatusCode, string(respBody))
+	}
+
+	// 提取响应文本
+	var respData map[string]any
+	text := ""
+	if json.Unmarshal(respBody, &respData) == nil {
+		if content, ok := respData["content"].([]any); ok && len(content) > 0 {
+			if block, ok := content[0].(map[string]any); ok {
+				if t, ok := block["text"].(string); ok {
+					text = t
+				}
+			}
+		}
+	}
+
+	return &TestConnectionResult{
+		Text:        text,
+		MappedModel: modelID,
+	}, nil
+}
+
 // buildGeminiTestRequest 构建 Gemini 格式测试请求
 // 使用最小 token 消耗：输入 "." + maxOutputTokens: 1
 func (s *AntigravityGatewayService) buildGeminiTestRequest(projectID, model string) ([]byte, error) {
@@ -728,6 +814,11 @@ func isModelNotFoundError(statusCode int, body []byte) bool {
 
 // Forward 转发 Claude 协议请求（Claude → Gemini 转换）
 func (s *AntigravityGatewayService) Forward(ctx context.Context, c *gin.Context, account *Account, body []byte) (*ForwardResult, error) {
+	// 上游透传账号直接转发，不走 OAuth token 刷新
+	if account.Type == AccountTypeUpstream {
+		return s.ForwardUpstream(ctx, c, account, body)
+	}
+
 	startTime := time.Now()
 	sessionID := getSessionID(c)
 	prefix := logPrefix(sessionID, account.Name)
@@ -1349,6 +1440,208 @@ func stripSignatureSensitiveBlocksFromClaudeRequest(req *antigravity.ClaudeReque
 	return changed, nil
 }
 
+// ForwardUpstream 透传请求到上游 Antigravity 服务
+// 用于 upstream 类型账号，直接使用 base_url + api_key 转发，不走 OAuth token
+func (s *AntigravityGatewayService) ForwardUpstream(ctx context.Context, c *gin.Context, account *Account, body []byte) (*ForwardResult, error) {
+	startTime := time.Now()
+	sessionID := getSessionID(c)
+	prefix := logPrefix(sessionID, account.Name)
+
+	// 获取上游配置
+	baseURL := strings.TrimSpace(account.GetCredential("base_url"))
+	apiKey := strings.TrimSpace(account.GetCredential("api_key"))
+	if baseURL == "" || apiKey == "" {
+		return nil, fmt.Errorf("upstream account missing base_url or api_key")
+	}
+	baseURL = strings.TrimSuffix(baseURL, "/")
+
+	// 解析请求获取模型信息
+	var claudeReq antigravity.ClaudeRequest
+	if err := json.Unmarshal(body, &claudeReq); err != nil {
+		return nil, fmt.Errorf("parse claude request: %w", err)
+	}
+	if strings.TrimSpace(claudeReq.Model) == "" {
+		return nil, fmt.Errorf("missing model")
+	}
+	originalModel := claudeReq.Model
+	billingModel := originalModel
+
+	// 构建上游请求 URL
+	upstreamURL := baseURL + "/v1/messages"
+
+	// 创建请求
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, upstreamURL, bytes.NewReader(body))
+	if err != nil {
+		return nil, fmt.Errorf("create upstream request: %w", err)
+	}
+
+	// 设置请求头
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+apiKey)
+	req.Header.Set("x-api-key", apiKey) // Claude API 兼容
+
+	// 透传 Claude 相关 headers
+	if v := c.GetHeader("anthropic-version"); v != "" {
+		req.Header.Set("anthropic-version", v)
+	}
+	if v := c.GetHeader("anthropic-beta"); v != "" {
+		req.Header.Set("anthropic-beta", v)
+	}
+
+	// 代理 URL
+	proxyURL := ""
+	if account.ProxyID != nil && account.Proxy != nil {
+		proxyURL = account.Proxy.URL()
+	}
+
+	// 发送请求
+	resp, err := s.httpUpstream.Do(req, proxyURL, account.ID, account.Concurrency)
+	if err != nil {
+		log.Printf("%s upstream request failed: %v", prefix, err)
+		return nil, fmt.Errorf("upstream request failed: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	// 处理错误响应
+	if resp.StatusCode >= 400 {
+		respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 2<<20))
+
+		// 429 错误时标记账号限流
+		if resp.StatusCode == http.StatusTooManyRequests {
+			s.handleUpstreamError(ctx, prefix, account, resp.StatusCode, resp.Header, respBody, AntigravityQuotaScopeClaude)
+		}
+
+		// 透传上游错误
+		c.Header("Content-Type", resp.Header.Get("Content-Type"))
+		c.Status(resp.StatusCode)
+		_, _ = c.Writer.Write(respBody)
+
+		return &ForwardResult{
+			Model: billingModel,
+		}, nil
+	}
+
+	// 处理成功响应（流式/非流式）
+	var usage *ClaudeUsage
+	var firstTokenMs *int
+
+	if claudeReq.Stream {
+		// 流式响应：透传
+		c.Header("Content-Type", "text/event-stream")
+		c.Header("Cache-Control", "no-cache")
+		c.Header("Connection", "keep-alive")
+		c.Header("X-Accel-Buffering", "no")
+		c.Status(http.StatusOK)
+
+		usage, firstTokenMs = s.streamUpstreamResponse(c, resp, startTime)
+	} else {
+		// 非流式响应：直接透传
+		respBody, err := io.ReadAll(resp.Body)
+		if err != nil {
+			return nil, fmt.Errorf("read upstream response: %w", err)
+		}
+
+		// 提取 usage
+		usage = s.extractClaudeUsage(respBody)
+
+		c.Header("Content-Type", resp.Header.Get("Content-Type"))
+		c.Status(http.StatusOK)
+		_, _ = c.Writer.Write(respBody)
+	}
+
+	// 构建计费结果
+	duration := time.Since(startTime)
+	log.Printf("%s status=success duration_ms=%d", prefix, duration.Milliseconds())
+
+	return &ForwardResult{
+		Model:        billingModel,
+		Stream:       claudeReq.Stream,
+		Duration:     duration,
+		FirstTokenMs: firstTokenMs,
+		Usage: ClaudeUsage{
+			InputTokens:              usage.InputTokens,
+			OutputTokens:             usage.OutputTokens,
+			CacheReadInputTokens:     usage.CacheReadInputTokens,
+			CacheCreationInputTokens: usage.CacheCreationInputTokens,
+		},
+	}, nil
+}
+
+// streamUpstreamResponse 透传上游流式响应并提取 usage
+func (s *AntigravityGatewayService) streamUpstreamResponse(c *gin.Context, resp *http.Response, startTime time.Time) (*ClaudeUsage, *int) {
+	usage := &ClaudeUsage{}
+	var firstTokenMs *int
+	var firstTokenRecorded bool
+
+	scanner := bufio.NewScanner(resp.Body)
+	buf := make([]byte, 0, 64*1024)
+	scanner.Buffer(buf, 1024*1024)
+
+	for scanner.Scan() {
+		line := scanner.Bytes()
+
+		// 记录首 token 时间
+		if !firstTokenRecorded && len(line) > 0 {
+			ms := int(time.Since(startTime).Milliseconds())
+			firstTokenMs = &ms
+			firstTokenRecorded = true
+		}
+
+		// 尝试从 message_delta 或 message_stop 事件提取 usage
+		if bytes.HasPrefix(line, []byte("data: ")) {
+			dataStr := bytes.TrimPrefix(line, []byte("data: "))
+			var event map[string]any
+			if json.Unmarshal(dataStr, &event) == nil {
+				if u, ok := event["usage"].(map[string]any); ok {
+					if v, ok := u["input_tokens"].(float64); ok && int(v) > 0 {
+						usage.InputTokens = int(v)
+					}
+					if v, ok := u["output_tokens"].(float64); ok && int(v) > 0 {
+						usage.OutputTokens = int(v)
+					}
+					if v, ok := u["cache_read_input_tokens"].(float64); ok && int(v) > 0 {
+						usage.CacheReadInputTokens = int(v)
+					}
+					if v, ok := u["cache_creation_input_tokens"].(float64); ok && int(v) > 0 {
+						usage.CacheCreationInputTokens = int(v)
+					}
+				}
+			}
+		}
+
+		// 透传行
+		_, _ = c.Writer.Write(line)
+		_, _ = c.Writer.Write([]byte("\n"))
+		c.Writer.Flush()
+	}
+
+	return usage, firstTokenMs
+}
+
+// extractClaudeUsage 从非流式 Claude 响应提取 usage
+func (s *AntigravityGatewayService) extractClaudeUsage(body []byte) *ClaudeUsage {
+	usage := &ClaudeUsage{}
+	var resp map[string]any
+	if json.Unmarshal(body, &resp) != nil {
+		return usage
+	}
+	if u, ok := resp["usage"].(map[string]any); ok {
+		if v, ok := u["input_tokens"].(float64); ok {
+			usage.InputTokens = int(v)
+		}
+		if v, ok := u["output_tokens"].(float64); ok {
+			usage.OutputTokens = int(v)
+		}
+		if v, ok := u["cache_read_input_tokens"].(float64); ok {
+			usage.CacheReadInputTokens = int(v)
+		}
+		if v, ok := u["cache_creation_input_tokens"].(float64); ok {
+			usage.CacheCreationInputTokens = int(v)
+		}
+	}
+	return usage
+}
+
 // ForwardGemini 转发 Gemini 协议请求
 func (s *AntigravityGatewayService) ForwardGemini(ctx context.Context, c *gin.Context, account *Account, originalModel string, action string, stream bool, body []byte) (*ForwardResult, error) {
 	startTime := time.Now()

backend/internal/service/antigravity_quota_scope.go

 package service
 
 import (
+	"slices"
 	"strings"
 	"time"
 )
@@ -16,6 +17,21 @@ const (
 	AntigravityQuotaScopeGeminiImage AntigravityQuotaScope = "gemini_image"
 )
 
+// IsScopeSupported 检查给定的 scope 是否在分组支持的 scope 列表中
+func IsScopeSupported(supportedScopes []string, scope AntigravityQuotaScope) bool {
+	if len(supportedScopes) == 0 {
+		// 未配置时默认全部支持
+		return true
+	}
+	supported := slices.Contains(supportedScopes, string(scope))
+	return supported
+}
+
+// ResolveAntigravityQuotaScope 根据模型名称解析配额域（导出版本）
+func ResolveAntigravityQuotaScope(requestedModel string) (AntigravityQuotaScope, bool) {
+	return resolveAntigravityQuotaScope(requestedModel)
+}
+
 // resolveAntigravityQuotaScope 根据模型名称解析配额域
 func resolveAntigravityQuotaScope(requestedModel string) (AntigravityQuotaScope, bool) {
 	model := normalizeAntigravityModelName(requestedModel)

backend/internal/service/api_key_auth_cache.go

@@ -44,6 +44,9 @@ type APIKeyAuthGroupSnapshot struct {
 	ModelRouting        map[string][]int64 `json:"model_routing,omitempty"`
 	ModelRoutingEnabled bool               `json:"model_routing_enabled"`
 	MCPXMLInject        bool               `json:"mcp_xml_inject"`
+
+	// 支持的模型系列（仅 antigravity 平台使用）
+	SupportedModelScopes []string `json:"supported_model_scopes,omitempty"`
 }
 
 // APIKeyAuthCacheEntry 缓存条目，支持负缓存