Merge branch 'main' into test

# Conflicts:
#	backend/cmd/server/VERSION
#	backend/ent/migrate/schema.go
#	backend/ent/mutation.go
#	backend/ent/runtime/runtime.go
#	backend/ent/usagelog.go
#	backend/ent/usagelog/usagelog.go
#	backend/ent/usagelog/where.go
#	backend/ent/usagelog_create.go
#	backend/ent/usagelog_update.go
#	backend/internal/repository/usage_log_repo.go
#	backend/internal/server/api_contract_test.go
#	backend/internal/server/middleware/cors.go
#	backend/internal/service/gateway_service.go

backend/cmd/server/VERSION

@@ -1 +1 @@
-0.1.74.8
+0.1.83.1

backend/ent/migrate/schema.go

@@ -669,6 +669,7 @@ var (
 		{Name: "image_count", Type: field.TypeInt, Default: 0},
 		{Name: "image_size", Type: field.TypeString, Nullable: true, Size: 10},
 		{Name: "media_type", Type: field.TypeString, Nullable: true, Size: 16},
+		{Name: "cache_ttl_overridden", Type: field.TypeBool, Default: false},
 		{Name: "created_at", Type: field.TypeTime, SchemaType: map[string]string{"postgres": "timestamptz"}},
 		{Name: "api_key_id", Type: field.TypeInt64},
 		{Name: "account_id", Type: field.TypeInt64},
@@ -684,31 +685,31 @@ var (
 		ForeignKeys: []*schema.ForeignKey{
 			{
 				Symbol:     "usage_logs_api_keys_usage_logs",
-				Columns:    []*schema.Column{UsageLogsColumns[27]},
+				Columns:    []*schema.Column{UsageLogsColumns[28]},
 				RefColumns: []*schema.Column{APIKeysColumns[0]},
 				OnDelete:   schema.NoAction,
 			},
 			{
 				Symbol:     "usage_logs_accounts_usage_logs",
-				Columns:    []*schema.Column{UsageLogsColumns[28]},
+				Columns:    []*schema.Column{UsageLogsColumns[29]},
 				RefColumns: []*schema.Column{AccountsColumns[0]},
 				OnDelete:   schema.NoAction,
 			},
 			{
 				Symbol:     "usage_logs_groups_usage_logs",
-				Columns:    []*schema.Column{UsageLogsColumns[29]},
+				Columns:    []*schema.Column{UsageLogsColumns[30]},
 				RefColumns: []*schema.Column{GroupsColumns[0]},
 				OnDelete:   schema.SetNull,
 			},
 			{
 				Symbol:     "usage_logs_users_usage_logs",
-				Columns:    []*schema.Column{UsageLogsColumns[30]},
+				Columns:    []*schema.Column{UsageLogsColumns[31]},
 				RefColumns: []*schema.Column{UsersColumns[0]},
 				OnDelete:   schema.NoAction,
 			},
 			{
 				Symbol:     "usage_logs_user_subscriptions_usage_logs",
-				Columns:    []*schema.Column{UsageLogsColumns[31]},
+				Columns:    []*schema.Column{UsageLogsColumns[32]},
 				RefColumns: []*schema.Column{UserSubscriptionsColumns[0]},
 				OnDelete:   schema.SetNull,
 			},
@@ -717,32 +718,32 @@ var (
 			{
 				Name:    "usagelog_user_id",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[30]},
+				Columns: []*schema.Column{UsageLogsColumns[31]},
 			},
 			{
 				Name:    "usagelog_api_key_id",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[27]},
+				Columns: []*schema.Column{UsageLogsColumns[28]},
 			},
 			{
 				Name:    "usagelog_account_id",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[28]},
+				Columns: []*schema.Column{UsageLogsColumns[29]},
 			},
 			{
 				Name:    "usagelog_group_id",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[29]},
+				Columns: []*schema.Column{UsageLogsColumns[30]},
 			},
 			{
 				Name:    "usagelog_subscription_id",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[31]},
+				Columns: []*schema.Column{UsageLogsColumns[32]},
 			},
 			{
 				Name:    "usagelog_created_at",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[26]},
+				Columns: []*schema.Column{UsageLogsColumns[27]},
 			},
 			{
 				Name:    "usagelog_model",
@@ -757,12 +758,12 @@ var (
 			{
 				Name:    "usagelog_user_id_created_at",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[30], UsageLogsColumns[26]},
+				Columns: []*schema.Column{UsageLogsColumns[31], UsageLogsColumns[27]},
 			},
 			{
 				Name:    "usagelog_api_key_id_created_at",
 				Unique:  false,
-				Columns: []*schema.Column{UsageLogsColumns[27], UsageLogsColumns[26]},
+				Columns: []*schema.Column{UsageLogsColumns[28], UsageLogsColumns[27]},
 			},
 		},
 	}

backend/ent/mutation.go

@@ -15980,6 +15980,7 @@ type UsageLogMutation struct {
 	addimage_count              *int
 	image_size                  *string
 	media_type                  *string
+	cache_ttl_overridden        *bool
 	created_at                  *time.Time
 	clearedFields               map[string]struct{}
 	user                        *int64
@@ -17655,6 +17656,42 @@ func (m *UsageLogMutation) ResetMediaType() {
 	delete(m.clearedFields, usagelog.FieldMediaType)
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (m *UsageLogMutation) SetCacheTTLOverridden(b bool) {
+	m.cache_ttl_overridden = &b
+}
+
+// CacheTTLOverridden returns the value of the "cache_ttl_overridden" field in the mutation.
+func (m *UsageLogMutation) CacheTTLOverridden() (r bool, exists bool) {
+	v := m.cache_ttl_overridden
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldCacheTTLOverridden returns the old "cache_ttl_overridden" field's value of the UsageLog entity.
+// If the UsageLog 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 *UsageLogMutation) OldCacheTTLOverridden(ctx context.Context) (v bool, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldCacheTTLOverridden is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldCacheTTLOverridden requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCacheTTLOverridden: %w", err)
+	}
+	return oldValue.CacheTTLOverridden, nil
+}
+
+// ResetCacheTTLOverridden resets all changes to the "cache_ttl_overridden" field.
+func (m *UsageLogMutation) ResetCacheTTLOverridden() {
+	m.cache_ttl_overridden = nil
+}
+
 // SetCreatedAt sets the "created_at" field.
 func (m *UsageLogMutation) SetCreatedAt(t time.Time) {
 	m.created_at = &t
@@ -17860,7 +17897,7 @@ func (m *UsageLogMutation) Type() string {
 // order to get all numeric fields that were incremented/decremented, call
 // AddedFields().
 func (m *UsageLogMutation) Fields() []string {
-	fields := make([]string, 0, 31)
+	fields := make([]string, 0, 32)
 	if m.user != nil {
 		fields = append(fields, usagelog.FieldUserID)
 	}
@@ -17951,6 +17988,9 @@ func (m *UsageLogMutation) Fields() []string {
 	if m.media_type != nil {
 		fields = append(fields, usagelog.FieldMediaType)
 	}
+	if m.cache_ttl_overridden != nil {
+		fields = append(fields, usagelog.FieldCacheTTLOverridden)
+	}
 	if m.created_at != nil {
 		fields = append(fields, usagelog.FieldCreatedAt)
 	}
@@ -18022,6 +18062,8 @@ func (m *UsageLogMutation) Field(name string) (ent.Value, bool) {
 		return m.ImageSize()
 	case usagelog.FieldMediaType:
 		return m.MediaType()
+	case usagelog.FieldCacheTTLOverridden:
+		return m.CacheTTLOverridden()
 	case usagelog.FieldCreatedAt:
 		return m.CreatedAt()
 	}
@@ -18093,6 +18135,8 @@ func (m *UsageLogMutation) OldField(ctx context.Context, name string) (ent.Value
 		return m.OldImageSize(ctx)
 	case usagelog.FieldMediaType:
 		return m.OldMediaType(ctx)
+	case usagelog.FieldCacheTTLOverridden:
+		return m.OldCacheTTLOverridden(ctx)
 	case usagelog.FieldCreatedAt:
 		return m.OldCreatedAt(ctx)
 	}
@@ -18314,6 +18358,13 @@ func (m *UsageLogMutation) SetField(name string, value ent.Value) error {
 		}
 		m.SetMediaType(v)
 		return nil
+	case usagelog.FieldCacheTTLOverridden:
+		v, ok := value.(bool)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetCacheTTLOverridden(v)
+		return nil
 	case usagelog.FieldCreatedAt:
 		v, ok := value.(time.Time)
 		if !ok {
@@ -18736,6 +18787,9 @@ func (m *UsageLogMutation) ResetField(name string) error {
 	case usagelog.FieldMediaType:
 		m.ResetMediaType()
 		return nil
+	case usagelog.FieldCacheTTLOverridden:
+		m.ResetCacheTTLOverridden()
+		return nil
 	case usagelog.FieldCreatedAt:
 		m.ResetCreatedAt()
 		return nil

backend/ent/runtime/runtime.go

@@ -821,8 +821,12 @@ func init() {
 	usagelogDescMediaType := usagelogFields[29].Descriptor()
 	// usagelog.MediaTypeValidator is a validator for the "media_type" field. It is called by the builders before save.
 	usagelog.MediaTypeValidator = usagelogDescMediaType.Validators[0].(func(string) error)
+	// usagelogDescCacheTTLOverridden is the schema descriptor for cache_ttl_overridden field.
+	usagelogDescCacheTTLOverridden := usagelogFields[30].Descriptor()
+	// usagelog.DefaultCacheTTLOverridden holds the default value on creation for the cache_ttl_overridden field.
+	usagelog.DefaultCacheTTLOverridden = usagelogDescCacheTTLOverridden.Default.(bool)
 	// usagelogDescCreatedAt is the schema descriptor for created_at field.
-	usagelogDescCreatedAt := usagelogFields[30].Descriptor()
+	usagelogDescCreatedAt := usagelogFields[31].Descriptor()
 	// usagelog.DefaultCreatedAt holds the default value on creation for the created_at field.
 	usagelog.DefaultCreatedAt = usagelogDescCreatedAt.Default.(func() time.Time)
 	userMixin := schema.User{}.Mixin()

backend/ent/schema/usage_log.go

@@ -124,6 +124,10 @@ func (UsageLog) Fields() []ent.Field {
 			Optional().
 			Nillable(),
 
+		// Cache TTL Override 标记（管理员强制替换了缓存 TTL 计费）
+		field.Bool("cache_ttl_overridden").
+			Default(false),
+
 		// 时间戳（只有 created_at，日志不可修改）
 		field.Time("created_at").
 			Default(time.Now).

backend/ent/usagelog.go

@@ -82,6 +82,8 @@ type UsageLog struct {
 	ImageSize *string `json:"image_size,omitempty"`
 	// MediaType holds the value of the "media_type" field.
 	MediaType *string `json:"media_type,omitempty"`
+	// CacheTTLOverridden holds the value of the "cache_ttl_overridden" field.
+	CacheTTLOverridden bool `json:"cache_ttl_overridden,omitempty"`
 	// CreatedAt holds the value of the "created_at" field.
 	CreatedAt time.Time `json:"created_at,omitempty"`
 	// Edges holds the relations/edges for other nodes in the graph.
@@ -167,7 +169,7 @@ func (*UsageLog) scanValues(columns []string) ([]any, error) {
 	values := make([]any, len(columns))
 	for i := range columns {
 		switch columns[i] {
-		case usagelog.FieldStream:
+		case usagelog.FieldStream, usagelog.FieldCacheTTLOverridden:
 			values[i] = new(sql.NullBool)
 		case usagelog.FieldInputCost, usagelog.FieldOutputCost, usagelog.FieldCacheCreationCost, usagelog.FieldCacheReadCost, usagelog.FieldTotalCost, usagelog.FieldActualCost, usagelog.FieldRateMultiplier, usagelog.FieldAccountRateMultiplier:
 			values[i] = new(sql.NullFloat64)
@@ -387,6 +389,12 @@ func (_m *UsageLog) assignValues(columns []string, values []any) error {
 				_m.MediaType = new(string)
 				*_m.MediaType = value.String
 			}
+		case usagelog.FieldCacheTTLOverridden:
+			if value, ok := values[i].(*sql.NullBool); !ok {
+				return fmt.Errorf("unexpected type %T for field cache_ttl_overridden", values[i])
+			} else if value.Valid {
+				_m.CacheTTLOverridden = value.Bool
+			}
 		case usagelog.FieldCreatedAt:
 			if value, ok := values[i].(*sql.NullTime); !ok {
 				return fmt.Errorf("unexpected type %T for field created_at", values[i])
@@ -562,6 +570,9 @@ func (_m *UsageLog) String() string {
 		builder.WriteString(*v)
 	}
 	builder.WriteString(", ")
+	builder.WriteString("cache_ttl_overridden=")
+	builder.WriteString(fmt.Sprintf("%v", _m.CacheTTLOverridden))
+	builder.WriteString(", ")
 	builder.WriteString("created_at=")
 	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
 	builder.WriteByte(')')

backend/ent/usagelog/usagelog.go

@@ -74,6 +74,8 @@ const (
 	FieldImageSize = "image_size"
 	// FieldMediaType holds the string denoting the media_type field in the database.
 	FieldMediaType = "media_type"
+	// FieldCacheTTLOverridden holds the string denoting the cache_ttl_overridden field in the database.
+	FieldCacheTTLOverridden = "cache_ttl_overridden"
 	// FieldCreatedAt holds the string denoting the created_at field in the database.
 	FieldCreatedAt = "created_at"
 	// EdgeUser holds the string denoting the user edge name in mutations.
@@ -158,6 +160,7 @@ var Columns = []string{
 	FieldImageCount,
 	FieldImageSize,
 	FieldMediaType,
+	FieldCacheTTLOverridden,
 	FieldCreatedAt,
 }
 
@@ -216,6 +219,8 @@ var (
 	ImageSizeValidator func(string) error
 	// MediaTypeValidator is a validator for the "media_type" field. It is called by the builders before save.
 	MediaTypeValidator func(string) error
+	// DefaultCacheTTLOverridden holds the default value on creation for the "cache_ttl_overridden" field.
+	DefaultCacheTTLOverridden bool
 	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
 	DefaultCreatedAt func() time.Time
 )
@@ -378,6 +383,11 @@ func ByMediaType(opts ...sql.OrderTermOption) OrderOption {
 	return sql.OrderByField(FieldMediaType, opts...).ToFunc()
 }
 
+// ByCacheTTLOverridden orders the results by the cache_ttl_overridden field.
+func ByCacheTTLOverridden(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCacheTTLOverridden, opts...).ToFunc()
+}
+
 // ByCreatedAt orders the results by the created_at field.
 func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
 	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()

backend/ent/usagelog/where.go

@@ -205,6 +205,11 @@ func MediaType(v string) predicate.UsageLog {
 	return predicate.UsageLog(sql.FieldEQ(FieldMediaType, v))
 }
 
+// CacheTTLOverridden applies equality check predicate on the "cache_ttl_overridden" field. It's identical to CacheTTLOverriddenEQ.
+func CacheTTLOverridden(v bool) predicate.UsageLog {
+	return predicate.UsageLog(sql.FieldEQ(FieldCacheTTLOverridden, v))
+}
+
 // CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
 func CreatedAt(v time.Time) predicate.UsageLog {
 	return predicate.UsageLog(sql.FieldEQ(FieldCreatedAt, v))
@@ -1520,6 +1525,16 @@ func MediaTypeContainsFold(v string) predicate.UsageLog {
 	return predicate.UsageLog(sql.FieldContainsFold(FieldMediaType, v))
 }
 
+// CacheTTLOverriddenEQ applies the EQ predicate on the "cache_ttl_overridden" field.
+func CacheTTLOverriddenEQ(v bool) predicate.UsageLog {
+	return predicate.UsageLog(sql.FieldEQ(FieldCacheTTLOverridden, v))
+}
+
+// CacheTTLOverriddenNEQ applies the NEQ predicate on the "cache_ttl_overridden" field.
+func CacheTTLOverriddenNEQ(v bool) predicate.UsageLog {
+	return predicate.UsageLog(sql.FieldNEQ(FieldCacheTTLOverridden, v))
+}
+
 // CreatedAtEQ applies the EQ predicate on the "created_at" field.
 func CreatedAtEQ(v time.Time) predicate.UsageLog {
 	return predicate.UsageLog(sql.FieldEQ(FieldCreatedAt, v))

backend/ent/usagelog_create.go

@@ -407,6 +407,20 @@ func (_c *UsageLogCreate) SetNillableMediaType(v *string) *UsageLogCreate {
 	return _c
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (_c *UsageLogCreate) SetCacheTTLOverridden(v bool) *UsageLogCreate {
+	_c.mutation.SetCacheTTLOverridden(v)
+	return _c
+}
+
+// SetNillableCacheTTLOverridden sets the "cache_ttl_overridden" field if the given value is not nil.
+func (_c *UsageLogCreate) SetNillableCacheTTLOverridden(v *bool) *UsageLogCreate {
+	if v != nil {
+		_c.SetCacheTTLOverridden(*v)
+	}
+	return _c
+}
+
 // SetCreatedAt sets the "created_at" field.
 func (_c *UsageLogCreate) SetCreatedAt(v time.Time) *UsageLogCreate {
 	_c.mutation.SetCreatedAt(v)
@@ -545,6 +559,10 @@ func (_c *UsageLogCreate) defaults() {
 		v := usagelog.DefaultImageCount
 		_c.mutation.SetImageCount(v)
 	}
+	if _, ok := _c.mutation.CacheTTLOverridden(); !ok {
+		v := usagelog.DefaultCacheTTLOverridden
+		_c.mutation.SetCacheTTLOverridden(v)
+	}
 	if _, ok := _c.mutation.CreatedAt(); !ok {
 		v := usagelog.DefaultCreatedAt()
 		_c.mutation.SetCreatedAt(v)
@@ -646,6 +664,9 @@ func (_c *UsageLogCreate) check() error {
 			return &ValidationError{Name: "media_type", err: fmt.Errorf(`ent: validator failed for field "UsageLog.media_type": %w`, err)}
 		}
 	}
+	if _, ok := _c.mutation.CacheTTLOverridden(); !ok {
+		return &ValidationError{Name: "cache_ttl_overridden", err: errors.New(`ent: missing required field "UsageLog.cache_ttl_overridden"`)}
+	}
 	if _, ok := _c.mutation.CreatedAt(); !ok {
 		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "UsageLog.created_at"`)}
 	}
@@ -785,6 +806,10 @@ func (_c *UsageLogCreate) createSpec() (*UsageLog, *sqlgraph.CreateSpec) {
 		_spec.SetField(usagelog.FieldMediaType, field.TypeString, value)
 		_node.MediaType = &value
 	}
+	if value, ok := _c.mutation.CacheTTLOverridden(); ok {
+		_spec.SetField(usagelog.FieldCacheTTLOverridden, field.TypeBool, value)
+		_node.CacheTTLOverridden = value
+	}
 	if value, ok := _c.mutation.CreatedAt(); ok {
 		_spec.SetField(usagelog.FieldCreatedAt, field.TypeTime, value)
 		_node.CreatedAt = value
@@ -1448,6 +1473,18 @@ func (u *UsageLogUpsert) ClearMediaType() *UsageLogUpsert {
 	return u
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (u *UsageLogUpsert) SetCacheTTLOverridden(v bool) *UsageLogUpsert {
+	u.Set(usagelog.FieldCacheTTLOverridden, v)
+	return u
+}
+
+// UpdateCacheTTLOverridden sets the "cache_ttl_overridden" field to the value that was provided on create.
+func (u *UsageLogUpsert) UpdateCacheTTLOverridden() *UsageLogUpsert {
+	u.SetExcluded(usagelog.FieldCacheTTLOverridden)
+	return u
+}
+
 // UpdateNewValues updates the mutable fields using the new values that were set on create.
 // Using this option is equivalent to using:
 //
@@ -2102,6 +2139,20 @@ func (u *UsageLogUpsertOne) ClearMediaType() *UsageLogUpsertOne {
 	})
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (u *UsageLogUpsertOne) SetCacheTTLOverridden(v bool) *UsageLogUpsertOne {
+	return u.Update(func(s *UsageLogUpsert) {
+		s.SetCacheTTLOverridden(v)
+	})
+}
+
+// UpdateCacheTTLOverridden sets the "cache_ttl_overridden" field to the value that was provided on create.
+func (u *UsageLogUpsertOne) UpdateCacheTTLOverridden() *UsageLogUpsertOne {
+	return u.Update(func(s *UsageLogUpsert) {
+		s.UpdateCacheTTLOverridden()
+	})
+}
+
 // Exec executes the query.
 func (u *UsageLogUpsertOne) Exec(ctx context.Context) error {
 	if len(u.create.conflict) == 0 {
@@ -2922,6 +2973,20 @@ func (u *UsageLogUpsertBulk) ClearMediaType() *UsageLogUpsertBulk {
 	})
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (u *UsageLogUpsertBulk) SetCacheTTLOverridden(v bool) *UsageLogUpsertBulk {
+	return u.Update(func(s *UsageLogUpsert) {
+		s.SetCacheTTLOverridden(v)
+	})
+}
+
+// UpdateCacheTTLOverridden sets the "cache_ttl_overridden" field to the value that was provided on create.
+func (u *UsageLogUpsertBulk) UpdateCacheTTLOverridden() *UsageLogUpsertBulk {
+	return u.Update(func(s *UsageLogUpsert) {
+		s.UpdateCacheTTLOverridden()
+	})
+}
+
 // Exec executes the query.
 func (u *UsageLogUpsertBulk) Exec(ctx context.Context) error {
 	if u.create.err != nil {

backend/ent/usagelog_update.go

@@ -632,6 +632,20 @@ func (_u *UsageLogUpdate) ClearMediaType() *UsageLogUpdate {
 	return _u
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (_u *UsageLogUpdate) SetCacheTTLOverridden(v bool) *UsageLogUpdate {
+	_u.mutation.SetCacheTTLOverridden(v)
+	return _u
+}
+
+// SetNillableCacheTTLOverridden sets the "cache_ttl_overridden" field if the given value is not nil.
+func (_u *UsageLogUpdate) SetNillableCacheTTLOverridden(v *bool) *UsageLogUpdate {
+	if v != nil {
+		_u.SetCacheTTLOverridden(*v)
+	}
+	return _u
+}
+
 // SetUser sets the "user" edge to the User entity.
 func (_u *UsageLogUpdate) SetUser(v *User) *UsageLogUpdate {
 	return _u.SetUserID(v.ID)
@@ -925,6 +939,9 @@ func (_u *UsageLogUpdate) sqlSave(ctx context.Context) (_node int, err error) {
 	if _u.mutation.MediaTypeCleared() {
 		_spec.ClearField(usagelog.FieldMediaType, field.TypeString)
 	}
+	if value, ok := _u.mutation.CacheTTLOverridden(); ok {
+		_spec.SetField(usagelog.FieldCacheTTLOverridden, field.TypeBool, value)
+	}
 	if _u.mutation.UserCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,
@@ -1690,6 +1707,20 @@ func (_u *UsageLogUpdateOne) ClearMediaType() *UsageLogUpdateOne {
 	return _u
 }
 
+// SetCacheTTLOverridden sets the "cache_ttl_overridden" field.
+func (_u *UsageLogUpdateOne) SetCacheTTLOverridden(v bool) *UsageLogUpdateOne {
+	_u.mutation.SetCacheTTLOverridden(v)
+	return _u
+}
+
+// SetNillableCacheTTLOverridden sets the "cache_ttl_overridden" field if the given value is not nil.
+func (_u *UsageLogUpdateOne) SetNillableCacheTTLOverridden(v *bool) *UsageLogUpdateOne {
+	if v != nil {
+		_u.SetCacheTTLOverridden(*v)
+	}
+	return _u
+}
+
 // SetUser sets the "user" edge to the User entity.
 func (_u *UsageLogUpdateOne) SetUser(v *User) *UsageLogUpdateOne {
 	return _u.SetUserID(v.ID)
@@ -2013,6 +2044,9 @@ func (_u *UsageLogUpdateOne) sqlSave(ctx context.Context) (_node *UsageLog, err
 	if _u.mutation.MediaTypeCleared() {
 		_spec.ClearField(usagelog.FieldMediaType, field.TypeString)
 	}
+	if value, ok := _u.mutation.CacheTTLOverridden(); ok {
+		_spec.SetField(usagelog.FieldCacheTTLOverridden, field.TypeBool, value)
+	}
 	if _u.mutation.UserCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,

backend/internal/handler/dto/mappers.go

@@ -214,6 +214,13 @@ func AccountFromServiceShallow(a *service.Account) *Account {
 			enabled := true
 			out.EnableSessionIDMasking = &enabled
 		}
+		// 缓存 TTL 强制替换
+		if a.IsCacheTTLOverrideEnabled() {
+			enabled := true
+			out.CacheTTLOverrideEnabled = &enabled
+			target := a.GetCacheTTLOverrideTarget()
+			out.CacheTTLOverrideTarget = &target
+		}
 	}
 
 	return out
@@ -402,6 +409,7 @@ func usageLogFromServiceUser(l *service.UsageLog) UsageLog {
 		ImageSize:             l.ImageSize,
 		MediaType:             l.MediaType,
 		UserAgent:             l.UserAgent,
+		CacheTTLOverridden:    l.CacheTTLOverridden,
 		CreatedAt:             l.CreatedAt,
 		User:                  UserFromServiceShallow(l.User),
 		APIKey:                APIKeyFromService(l.APIKey),

backend/internal/handler/dto/types.go

@@ -156,6 +156,11 @@ type Account struct {
 	// 从 extra 字段提取，方便前端显示和编辑
 	EnableSessionIDMasking *bool `json:"session_id_masking_enabled,omitempty"`
 
+	// 缓存 TTL 强制替换（仅 Anthropic OAuth/SetupToken 账号有效）
+	// 启用后将所有 cache creation tokens 归入指定的 TTL 类型计费
+	CacheTTLOverrideEnabled *bool   `json:"cache_ttl_override_enabled,omitempty"`
+	CacheTTLOverrideTarget  *string `json:"cache_ttl_override_target,omitempty"`
+
 	Proxy         *Proxy         `json:"proxy,omitempty"`
 	AccountGroups []AccountGroup `json:"account_groups,omitempty"`
 
@@ -280,6 +285,9 @@ type UsageLog struct {
 	// User-Agent
 	UserAgent *string `json:"user_agent"`
 
+	// Cache TTL Override 标记
+	CacheTTLOverridden bool `json:"cache_ttl_overridden"`
+
 	CreatedAt time.Time `json:"created_at"`
 
 	User         *User             `json:"user,omitempty"`

backend/internal/pkg/claude/constants.go

@@ -10,6 +10,7 @@ const (
 	BetaInterleavedThinking      = "interleaved-thinking-2025-05-14"
 	BetaFineGrainedToolStreaming = "fine-grained-tool-streaming-2025-05-14"
 	BetaTokenCounting            = "token-counting-2024-11-01"
+	BetaContext1M                = "context-1m-2025-08-07"
 )
 
 // DefaultBetaHeader Claude Code 客户端默认的 anthropic-beta header
@@ -77,6 +78,12 @@ var DefaultModels = []Model{
 		DisplayName: "Claude Opus 4.6",
 		CreatedAt:   "2026-02-06T00:00:00Z",
 	},
+	{
+		ID:          "claude-sonnet-4-6",
+		Type:        "model",
+		DisplayName: "Claude Sonnet 4.6",
+		CreatedAt:   "2026-02-18T00:00:00Z",
+	},
 	{
 		ID:          "claude-sonnet-4-5-20250929",
 		Type:        "model",

backend/internal/repository/usage_log_repo.go

@@ -22,7 +22,7 @@ import (
 	"github.com/lib/pq"
 )
 
-const usageLogSelectColumns = "id, user_id, api_key_id, account_id, request_id, model, group_id, subscription_id, input_tokens, output_tokens, cache_creation_tokens, cache_read_tokens, cache_creation_5m_tokens, cache_creation_1h_tokens, input_cost, output_cost, cache_creation_cost, cache_read_cost, total_cost, actual_cost, rate_multiplier, account_rate_multiplier, billing_type, stream, duration_ms, first_token_ms, user_agent, ip_address, image_count, image_size, media_type, reasoning_effort, created_at"
+const usageLogSelectColumns = "id, user_id, api_key_id, account_id, request_id, model, group_id, subscription_id, input_tokens, output_tokens, cache_creation_tokens, cache_read_tokens, cache_creation_5m_tokens, cache_creation_1h_tokens, input_cost, output_cost, cache_creation_cost, cache_read_cost, total_cost, actual_cost, rate_multiplier, account_rate_multiplier, billing_type, stream, duration_ms, first_token_ms, user_agent, ip_address, image_count, image_size, media_type, reasoning_effort, cache_ttl_overridden, created_at"
 
 // dateFormatWhitelist 将 granularity 参数映射为 PostgreSQL TO_CHAR 格式字符串，防止外部输入直接拼入 SQL
 var dateFormatWhitelist = map[string]string{
@@ -132,6 +132,7 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 			image_size,
 			media_type,
 			reasoning_effort,
+			cache_ttl_overridden,
 			created_at
 		) VALUES (
 			$1, $2, $3, $4, $5,
@@ -139,7 +140,7 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 			$8, $9, $10, $11,
 			$12, $13,
 			$14, $15, $16, $17, $18, $19,
-			$20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30, $31, $32
+			$20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30, $31, $32, $33
 		)
 		ON CONFLICT (request_id, api_key_id) DO NOTHING
 		RETURNING id, created_at
@@ -192,6 +193,7 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 		imageSize,
 		mediaType,
 		reasoningEffort,
+		log.CacheTTLOverridden,
 		createdAt,
 	}
 	if err := scanSingleRow(ctx, sqlq, query, args, &log.ID, &log.CreatedAt); err != nil {
@@ -2221,6 +2223,7 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		imageSize             sql.NullString
 		mediaType             sql.NullString
 		reasoningEffort       sql.NullString
+		cacheTTLOverridden    bool
 		createdAt             time.Time
 	)
 
@@ -2257,6 +2260,7 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		&imageSize,
 		&mediaType,
 		&reasoningEffort,
+		&cacheTTLOverridden,
 		&createdAt,
 	); err != nil {
 		return nil, err
@@ -2285,6 +2289,7 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		BillingType:           int8(billingType),
 		Stream:                stream,
 		ImageCount:            imageCount,
+		CacheTTLOverridden:    cacheTTLOverridden,
 		CreatedAt:             createdAt,
 	}
 

backend/internal/server/api_contract_test.go

@@ -406,6 +406,7 @@ func TestAPIContracts(t *testing.T) {
 							"image_count": 0,
 							"image_size": null,
 							"media_type": null,
+							"cache_ttl_overridden": false,
 							"created_at": "2025-01-02T03:04:05Z",
 							"user_agent": null
 						}

backend/internal/server/middleware/cors.go

@@ -50,6 +50,19 @@ func CORS(cfg config.CORSConfig) gin.HandlerFunc {
 		}
 		allowedSet[origin] = struct{}{}
 	}
+	allowHeaders := []string{
+		"Content-Type", "Content-Length", "Accept-Encoding", "X-CSRF-Token", "Authorization",
+		"accept", "origin", "Cache-Control", "X-Requested-With", "X-API-Key",
+	}
+	// OpenAI Node SDK 会发送 x-stainless-* 请求头，需在 CORS 中显式放行。
+	openAIProperties := []string{
+		"lang", "package-version", "os", "arch", "retry-count", "runtime",
+		"runtime-version", "async", "helper-method", "poll-helper", "custom-poll-interval", "timeout",
+	}
+	for _, prop := range openAIProperties {
+		allowHeaders = append(allowHeaders, "x-stainless-"+prop)
+	}
+	allowHeadersValue := strings.Join(allowHeaders, ", ")
 
 	return func(c *gin.Context) {
 		origin := strings.TrimSpace(c.GetHeader("Origin"))
@@ -68,11 +81,10 @@ func CORS(cfg config.CORSConfig) gin.HandlerFunc {
 			if allowCredentials {
 				c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
 			}
-			c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With, X-API-Key")
+			c.Writer.Header().Set("Access-Control-Allow-Headers", allowHeadersValue)
 			c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE, PATCH")
 			c.Writer.Header().Set("Access-Control-Max-Age", "86400")
 		}
-
 		// 处理预检请求
 		if c.Request.Method == http.MethodOptions {
 			if originAllowed {

backend/internal/service/account.go

@@ -786,6 +786,38 @@ func (a *Account) IsSessionIDMaskingEnabled() bool {
 	return false
 }
 
+// IsCacheTTLOverrideEnabled 检查是否启用缓存 TTL 强制替换
+// 仅适用于 Anthropic OAuth/SetupToken 类型账号
+// 启用后将所有 cache creation tokens 归入指定的 TTL 类型（5m 或 1h）
+func (a *Account) IsCacheTTLOverrideEnabled() bool {
+	if !a.IsAnthropicOAuthOrSetupToken() {
+		return false
+	}
+	if a.Extra == nil {
+		return false
+	}
+	if v, ok := a.Extra["cache_ttl_override_enabled"]; ok {
+		if enabled, ok := v.(bool); ok {
+			return enabled
+		}
+	}
+	return false
+}
+
+// GetCacheTTLOverrideTarget 获取缓存 TTL 强制替换的目标类型
+// 返回 "5m" 或 "1h"，默认 "5m"
+func (a *Account) GetCacheTTLOverrideTarget() string {
+	if a.Extra == nil {
+		return "5m"
+	}
+	if v, ok := a.Extra["cache_ttl_override_target"]; ok {
+		if target, ok := v.(string); ok && (target == "5m" || target == "1h") {
+			return target
+		}
+	}
+	return "5m"
+}
+
 // GetWindowCostLimit 获取 5h 窗口费用阈值（美元）
 // 返回 0 表示未启用
 func (a *Account) GetWindowCostLimit() float64 {

backend/internal/service/gateway_beta_test.go

@@ -21,3 +21,72 @@ func TestMergeAnthropicBeta_EmptyIncoming(t *testing.T) {
 	)
 	require.Equal(t, "oauth-2025-04-20,interleaved-thinking-2025-05-14", got)
 }
+
+func TestStripBetaToken(t *testing.T) {
+	tests := []struct {
+		name   string
+		header string
+		token  string
+		want   string
+	}{
+		{
+			name:   "token in middle",
+			header: "oauth-2025-04-20,context-1m-2025-08-07,interleaved-thinking-2025-05-14",
+			token:  "context-1m-2025-08-07",
+			want:   "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+		},
+		{
+			name:   "token at start",
+			header: "context-1m-2025-08-07,oauth-2025-04-20,interleaved-thinking-2025-05-14",
+			token:  "context-1m-2025-08-07",
+			want:   "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+		},
+		{
+			name:   "token at end",
+			header: "oauth-2025-04-20,interleaved-thinking-2025-05-14,context-1m-2025-08-07",
+			token:  "context-1m-2025-08-07",
+			want:   "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+		},
+		{
+			name:   "token not present",
+			header: "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+			token:  "context-1m-2025-08-07",
+			want:   "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+		},
+		{
+			name:   "empty header",
+			header: "",
+			token:  "context-1m-2025-08-07",
+			want:   "",
+		},
+		{
+			name:   "with spaces",
+			header: "oauth-2025-04-20, context-1m-2025-08-07 , interleaved-thinking-2025-05-14",
+			token:  "context-1m-2025-08-07",
+			want:   "oauth-2025-04-20,interleaved-thinking-2025-05-14",
+		},
+		{
+			name:   "only token",
+			header: "context-1m-2025-08-07",
+			token:  "context-1m-2025-08-07",
+			want:   "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := stripBetaToken(tt.header, tt.token)
+			require.Equal(t, tt.want, got)
+		})
+	}
+}
+
+func TestMergeAnthropicBetaDropping_Context1M(t *testing.T) {
+	required := []string{"oauth-2025-04-20", "interleaved-thinking-2025-05-14"}
+	incoming := "context-1m-2025-08-07,foo-beta,oauth-2025-04-20"
+	drop := map[string]struct{}{"context-1m-2025-08-07": {}}
+
+	got := mergeAnthropicBetaDropping(required, incoming, drop)
+	require.Equal(t, "oauth-2025-04-20,interleaved-thinking-2025-05-14,foo-beta", got)
+	require.NotContains(t, got, "context-1m-2025-08-07")
+}

backend/internal/service/gateway_service.go

@@ -3582,12 +3582,12 @@ func (s *GatewayService) buildUpstreamRequest(ctx context.Context, c *gin.Contex
 			// messages requests typically use only oauth + interleaved-thinking.
 			// Also drop claude-code beta if a downstream client added it.
 			requiredBetas := []string{claude.BetaOAuth, claude.BetaInterleavedThinking}
-			drop := map[string]struct{}{claude.BetaClaudeCode: {}}
+			drop := map[string]struct{}{claude.BetaClaudeCode: {}, claude.BetaContext1M: {}}
 			req.Header.Set("anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, drop))
 		} else {
 			// Claude Code 客户端：尽量透传原始 header，仅补齐 oauth beta
 			clientBetaHeader := req.Header.Get("anthropic-beta")
-			req.Header.Set("anthropic-beta", s.getBetaHeader(modelID, clientBetaHeader))
+			req.Header.Set("anthropic-beta", stripBetaToken(s.getBetaHeader(modelID, clientBetaHeader), claude.BetaContext1M))
 		}
 	} else if s.cfg != nil && s.cfg.Gateway.InjectBetaForAPIKey && req.Header.Get("anthropic-beta") == "" {
 		// API-key：仅在请求显式使用 beta 特性且客户端未提供时，按需补齐（默认关闭）
@@ -3741,6 +3741,23 @@ func mergeAnthropicBetaDropping(required []string, incoming string, drop map[str
 	return strings.Join(out, ",")
 }
 
+// stripBetaToken removes a single beta token from a comma-separated header value.
+// It short-circuits when the token is not present to avoid unnecessary allocations.
+func stripBetaToken(header, token string) string {
+	if !strings.Contains(header, token) {
+		return header
+	}
+	out := make([]string, 0, 8)
+	for _, p := range strings.Split(header, ",") {
+		p = strings.TrimSpace(p)
+		if p == "" || p == token {
+			continue
+		}
+		out = append(out, p)
+	}
+	return strings.Join(out, ",")
+}
+
 // applyClaudeCodeMimicHeaders forces "Claude Code-like" request headers.
 // This mirrors opencode-anthropic-auth behavior: do not trust downstream
 // headers when using Claude Code-scoped OAuth credentials.
@@ -4307,6 +4324,23 @@ func (s *GatewayService) handleStreamingResponse(ctx context.Context, resp *http
 			}
 		}
 
+		// Cache TTL Override: 重写 SSE 事件中的 cache_creation 分类
+		if account.IsCacheTTLOverrideEnabled() {
+			overrideTarget := account.GetCacheTTLOverrideTarget()
+			if eventType == "message_start" {
+				if msg, ok := event["message"].(map[string]any); ok {
+					if u, ok := msg["usage"].(map[string]any); ok {
+						rewriteCacheCreationJSON(u, overrideTarget)
+					}
+				}
+			}
+			if eventType == "message_delta" {
+				if u, ok := event["usage"].(map[string]any); ok {
+					rewriteCacheCreationJSON(u, overrideTarget)
+				}
+			}
+		}
+
 		if needModelReplace {
 			if msg, ok := event["message"].(map[string]any); ok {
 				if model, ok := msg["model"].(string); ok && model == mappedModel {
@@ -4483,6 +4517,58 @@ func (s *GatewayService) parseSSEUsage(data string, usage *ClaudeUsage) {
 	}
 }
 
+// applyCacheTTLOverride 将所有 cache creation tokens 归入指定的 TTL 类型。
+// target 为 "5m" 或 "1h"。返回 true 表示发生了变更。
+func applyCacheTTLOverride(usage *ClaudeUsage, target string) bool {
+	// Fallback: 如果只有聚合字段但无 5m/1h 明细，将聚合字段归入 5m 默认类别
+	if usage.CacheCreation5mTokens == 0 && usage.CacheCreation1hTokens == 0 && usage.CacheCreationInputTokens > 0 {
+		usage.CacheCreation5mTokens = usage.CacheCreationInputTokens
+	}
+
+	total := usage.CacheCreation5mTokens + usage.CacheCreation1hTokens
+	if total == 0 {
+		return false
+	}
+	switch target {
+	case "1h":
+		if usage.CacheCreation1hTokens == total {
+			return false // 已经全是 1h
+		}
+		usage.CacheCreation1hTokens = total
+		usage.CacheCreation5mTokens = 0
+	default: // "5m"
+		if usage.CacheCreation5mTokens == total {
+			return false // 已经全是 5m
+		}
+		usage.CacheCreation5mTokens = total
+		usage.CacheCreation1hTokens = 0
+	}
+	return true
+}
+
+// rewriteCacheCreationJSON 在 JSON usage 对象中重写 cache_creation 嵌套对象的 TTL 分类。
+// usageObj 是 usage JSON 对象（map[string]any）。
+func rewriteCacheCreationJSON(usageObj map[string]any, target string) {
+	ccObj, ok := usageObj["cache_creation"].(map[string]any)
+	if !ok {
+		return
+	}
+	v5m, _ := ccObj["ephemeral_5m_input_tokens"].(float64)
+	v1h, _ := ccObj["ephemeral_1h_input_tokens"].(float64)
+	total := v5m + v1h
+	if total == 0 {
+		return
+	}
+	switch target {
+	case "1h":
+		ccObj["ephemeral_1h_input_tokens"] = total
+		ccObj["ephemeral_5m_input_tokens"] = float64(0)
+	default: // "5m"
+		ccObj["ephemeral_5m_input_tokens"] = total
+		ccObj["ephemeral_1h_input_tokens"] = float64(0)
+	}
+}
+
 func (s *GatewayService) handleNonStreamingResponse(ctx context.Context, resp *http.Response, c *gin.Context, account *Account, originalModel, mappedModel string) (*ClaudeUsage, error) {
 	// 更新5h窗口状态
 	s.rateLimitService.UpdateSessionWindow(ctx, account, resp.Header)
@@ -4530,6 +4616,20 @@ func (s *GatewayService) handleNonStreamingResponse(ctx context.Context, resp *h
 		}
 	}
 
+	// Cache TTL Override: 重写 non-streaming 响应中的 cache_creation 分类
+	if account.IsCacheTTLOverrideEnabled() {
+		overrideTarget := account.GetCacheTTLOverrideTarget()
+		if applyCacheTTLOverride(&response.Usage, overrideTarget) {
+			// 同步更新 body JSON 中的嵌套 cache_creation 对象
+			if newBody, err := sjson.SetBytes(body, "usage.cache_creation.ephemeral_5m_input_tokens", response.Usage.CacheCreation5mTokens); err == nil {
+				body = newBody
+			}
+			if newBody, err := sjson.SetBytes(body, "usage.cache_creation.ephemeral_1h_input_tokens", response.Usage.CacheCreation1hTokens); err == nil {
+				body = newBody
+			}
+		}
+	}
+
 	// 如果有模型映射，替换响应中的model字段
 	if originalModel != mappedModel {
 		body = s.replaceModelInResponseBody(body, mappedModel, originalModel)
@@ -4598,6 +4698,13 @@ func (s *GatewayService) RecordUsage(ctx context.Context, input *RecordUsageInpu
 		result.Usage.InputTokens = 0
 	}
 
+	// Cache TTL Override: 确保计费时 token 分类与账号设置一致
+	cacheTTLOverridden := false
+	if account.IsCacheTTLOverrideEnabled() {
+		applyCacheTTLOverride(&result.Usage, account.GetCacheTTLOverrideTarget())
+		cacheTTLOverridden = (result.Usage.CacheCreation5mTokens + result.Usage.CacheCreation1hTokens) > 0
+	}
+
 	// 获取费率倍数（优先级：用户专属 > 分组默认 > 系统默认）
 	multiplier := s.cfg.Default.RateMultiplier
 	if apiKey.GroupID != nil && apiKey.Group != nil {
@@ -4705,6 +4812,7 @@ func (s *GatewayService) RecordUsage(ctx context.Context, input *RecordUsageInpu
 		ImageCount:            result.ImageCount,
 		ImageSize:             imageSize,
 		MediaType:             mediaType,
+		CacheTTLOverridden:    cacheTTLOverridden,
 		CreatedAt:             time.Now(),
 	}
 
@@ -4805,6 +4913,13 @@ func (s *GatewayService) RecordUsageWithLongContext(ctx context.Context, input *
 		result.Usage.InputTokens = 0
 	}
 
+	// Cache TTL Override: 确保计费时 token 分类与账号设置一致
+	cacheTTLOverridden := false
+	if account.IsCacheTTLOverrideEnabled() {
+		applyCacheTTLOverride(&result.Usage, account.GetCacheTTLOverrideTarget())
+		cacheTTLOverridden = (result.Usage.CacheCreation5mTokens + result.Usage.CacheCreation1hTokens) > 0
+	}
+
 	// 获取费率倍数（优先级：用户专属 > 分组默认 > 系统默认）
 	multiplier := s.cfg.Default.RateMultiplier
 	if apiKey.GroupID != nil && apiKey.Group != nil {
@@ -4890,6 +5005,7 @@ func (s *GatewayService) RecordUsageWithLongContext(ctx context.Context, input *
 		FirstTokenMs:          result.FirstTokenMs,
 		ImageCount:            result.ImageCount,
 		ImageSize:             imageSize,
+		CacheTTLOverridden:    cacheTTLOverridden,
 		CreatedAt:             time.Now(),
 	}
 
@@ -5206,7 +5322,8 @@ func (s *GatewayService) buildCountTokensRequest(ctx context.Context, c *gin.Con
 
 			incomingBeta := req.Header.Get("anthropic-beta")
 			requiredBetas := []string{claude.BetaClaudeCode, claude.BetaOAuth, claude.BetaInterleavedThinking, claude.BetaTokenCounting}
-			req.Header.Set("anthropic-beta", mergeAnthropicBeta(requiredBetas, incomingBeta))
+			drop := map[string]struct{}{claude.BetaContext1M: {}}
+			req.Header.Set("anthropic-beta", mergeAnthropicBetaDropping(requiredBetas, incomingBeta, drop))
 		} else {
 			clientBetaHeader := req.Header.Get("anthropic-beta")
 			if clientBetaHeader == "" {
@@ -5216,7 +5333,7 @@ func (s *GatewayService) buildCountTokensRequest(ctx context.Context, c *gin.Con
 				if !strings.Contains(beta, claude.BetaTokenCounting) {
 					beta = beta + "," + claude.BetaTokenCounting
 				}
-				req.Header.Set("anthropic-beta", beta)
+				req.Header.Set("anthropic-beta", stripBetaToken(beta, claude.BetaContext1M))
 			}
 		}
 	} else if s.cfg != nil && s.cfg.Gateway.InjectBetaForAPIKey && req.Header.Get("anthropic-beta") == "" {

backend/internal/service/openai_codex_transform.go

@@ -99,13 +99,19 @@ func applyCodexOAuthTransform(reqBody map[string]any, isCodexCLI bool) codexTran
 		result.Modified = true
 	}
 
-	if _, ok := reqBody["max_output_tokens"]; ok {
-		delete(reqBody, "max_output_tokens")
-		result.Modified = true
-	}
-	if _, ok := reqBody["max_completion_tokens"]; ok {
-		delete(reqBody, "max_completion_tokens")
-		result.Modified = true
+	// Strip parameters unsupported by codex models via the Responses API.
+	for _, key := range []string{
+		"max_output_tokens",
+		"max_completion_tokens",
+		"temperature",
+		"top_p",
+		"frequency_penalty",
+		"presence_penalty",
+	} {
+		if _, ok := reqBody[key]; ok {
+			delete(reqBody, key)
+			result.Modified = true
+		}
 	}
 
 	if normalizeCodexTools(reqBody) {

backend/internal/service/usage_log.go

@@ -46,6 +46,9 @@ type UsageLog struct {
 	UserAgent    *string
 	IPAddress    *string
 
+	// Cache TTL Override 标记（管理员强制替换了缓存 TTL 计费）
+	CacheTTLOverridden bool
+
 	// 图片生成字段
 	ImageCount int
 	ImageSize  *string

backend/migrations/055_add_cache_ttl_overridden.sql

@@ -0,0 +1,2 @@
+-- Add cache_ttl_overridden flag to usage_logs for tracking cache TTL override per account.
+ALTER TABLE usage_logs ADD COLUMN IF NOT EXISTS cache_ttl_overridden BOOLEAN NOT NULL DEFAULT FALSE;