Merge pull request #471 from bayma888/feature/api-key-quota-expiration

feat(api-key): 添加API密钥独立配额和过期时间功能

backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25.5-alpine
+FROM golang:1.25.6-alpine
 
 WORKDIR /app
 
@@ -15,7 +15,7 @@ RUN go mod download
 COPY . .
 
 # 构建应用
-RUN go build -o main cmd/server/main.go
+RUN go build -o main ./cmd/server/
 
 # 暴露端口
 EXPOSE 8080

backend/cmd/server/wire_gen.go

@@ -173,8 +173,8 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	userAttributeService := service.NewUserAttributeService(userAttributeDefinitionRepository, userAttributeValueRepository)
 	userAttributeHandler := admin.NewUserAttributeHandler(userAttributeService)
 	adminHandlers := handler.ProvideAdminHandlers(dashboardHandler, adminUserHandler, groupHandler, accountHandler, adminAnnouncementHandler, oAuthHandler, openAIOAuthHandler, geminiOAuthHandler, antigravityOAuthHandler, proxyHandler, adminRedeemHandler, promoHandler, settingHandler, opsHandler, systemHandler, adminSubscriptionHandler, adminUsageHandler, userAttributeHandler)
-	gatewayHandler := handler.NewGatewayHandler(gatewayService, geminiMessagesCompatService, antigravityGatewayService, userService, concurrencyService, billingCacheService, usageService, configConfig)
-	openAIGatewayHandler := handler.NewOpenAIGatewayHandler(openAIGatewayService, concurrencyService, billingCacheService, configConfig)
+	gatewayHandler := handler.NewGatewayHandler(gatewayService, geminiMessagesCompatService, antigravityGatewayService, userService, concurrencyService, billingCacheService, usageService, apiKeyService, configConfig)
+	openAIGatewayHandler := handler.NewOpenAIGatewayHandler(openAIGatewayService, concurrencyService, billingCacheService, apiKeyService, configConfig)
 	handlerSettingHandler := handler.ProvideSettingHandler(settingService, buildInfo)
 	totpHandler := handler.NewTotpHandler(totpService)
 	handlers := handler.ProvideHandlers(authHandler, userHandler, apiKeyHandler, usageHandler, redeemHandler, subscriptionHandler, announcementHandler, adminHandlers, gatewayHandler, openAIGatewayHandler, handlerSettingHandler, totpHandler)

backend/ent/apikey.go

@@ -40,6 +40,12 @@ type APIKey struct {
 	IPWhitelist []string `json:"ip_whitelist,omitempty"`
 	// Blocked IPs/CIDRs
 	IPBlacklist []string `json:"ip_blacklist,omitempty"`
+	// Quota limit in USD for this API key (0 = unlimited)
+	Quota float64 `json:"quota,omitempty"`
+	// Used quota amount in USD
+	QuotaUsed float64 `json:"quota_used,omitempty"`
+	// Expiration time for this API key (null = never expires)
+	ExpiresAt *time.Time `json:"expires_at,omitempty"`
 	// Edges holds the relations/edges for other nodes in the graph.
 	// The values are being populated by the APIKeyQuery when eager-loading is set.
 	Edges        APIKeyEdges `json:"edges"`
@@ -97,11 +103,13 @@ func (*APIKey) scanValues(columns []string) ([]any, error) {
 		switch columns[i] {
 		case apikey.FieldIPWhitelist, apikey.FieldIPBlacklist:
 			values[i] = new([]byte)
+		case apikey.FieldQuota, apikey.FieldQuotaUsed:
+			values[i] = new(sql.NullFloat64)
 		case apikey.FieldID, apikey.FieldUserID, apikey.FieldGroupID:
 			values[i] = new(sql.NullInt64)
 		case apikey.FieldKey, apikey.FieldName, apikey.FieldStatus:
 			values[i] = new(sql.NullString)
-		case apikey.FieldCreatedAt, apikey.FieldUpdatedAt, apikey.FieldDeletedAt:
+		case apikey.FieldCreatedAt, apikey.FieldUpdatedAt, apikey.FieldDeletedAt, apikey.FieldExpiresAt:
 			values[i] = new(sql.NullTime)
 		default:
 			values[i] = new(sql.UnknownType)
@@ -190,6 +198,25 @@ func (_m *APIKey) assignValues(columns []string, values []any) error {
 					return fmt.Errorf("unmarshal field ip_blacklist: %w", err)
 				}
 			}
+		case apikey.FieldQuota:
+			if value, ok := values[i].(*sql.NullFloat64); !ok {
+				return fmt.Errorf("unexpected type %T for field quota", values[i])
+			} else if value.Valid {
+				_m.Quota = value.Float64
+			}
+		case apikey.FieldQuotaUsed:
+			if value, ok := values[i].(*sql.NullFloat64); !ok {
+				return fmt.Errorf("unexpected type %T for field quota_used", values[i])
+			} else if value.Valid {
+				_m.QuotaUsed = value.Float64
+			}
+		case apikey.FieldExpiresAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field expires_at", values[i])
+			} else if value.Valid {
+				_m.ExpiresAt = new(time.Time)
+				*_m.ExpiresAt = value.Time
+			}
 		default:
 			_m.selectValues.Set(columns[i], values[i])
 		}
@@ -274,6 +301,17 @@ func (_m *APIKey) String() string {
 	builder.WriteString(", ")
 	builder.WriteString("ip_blacklist=")
 	builder.WriteString(fmt.Sprintf("%v", _m.IPBlacklist))
+	builder.WriteString(", ")
+	builder.WriteString("quota=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Quota))
+	builder.WriteString(", ")
+	builder.WriteString("quota_used=")
+	builder.WriteString(fmt.Sprintf("%v", _m.QuotaUsed))
+	builder.WriteString(", ")
+	if v := _m.ExpiresAt; v != nil {
+		builder.WriteString("expires_at=")
+		builder.WriteString(v.Format(time.ANSIC))
+	}
 	builder.WriteByte(')')
 	return builder.String()
 }

backend/ent/apikey/apikey.go

@@ -35,6 +35,12 @@ const (
 	FieldIPWhitelist = "ip_whitelist"
 	// FieldIPBlacklist holds the string denoting the ip_blacklist field in the database.
 	FieldIPBlacklist = "ip_blacklist"
+	// FieldQuota holds the string denoting the quota field in the database.
+	FieldQuota = "quota"
+	// FieldQuotaUsed holds the string denoting the quota_used field in the database.
+	FieldQuotaUsed = "quota_used"
+	// FieldExpiresAt holds the string denoting the expires_at field in the database.
+	FieldExpiresAt = "expires_at"
 	// EdgeUser holds the string denoting the user edge name in mutations.
 	EdgeUser = "user"
 	// EdgeGroup holds the string denoting the group edge name in mutations.
@@ -79,6 +85,9 @@ var Columns = []string{
 	FieldStatus,
 	FieldIPWhitelist,
 	FieldIPBlacklist,
+	FieldQuota,
+	FieldQuotaUsed,
+	FieldExpiresAt,
 }
 
 // ValidColumn reports if the column name is valid (part of the table columns).
@@ -113,6 +122,10 @@ var (
 	DefaultStatus string
 	// StatusValidator is a validator for the "status" field. It is called by the builders before save.
 	StatusValidator func(string) error
+	// DefaultQuota holds the default value on creation for the "quota" field.
+	DefaultQuota float64
+	// DefaultQuotaUsed holds the default value on creation for the "quota_used" field.
+	DefaultQuotaUsed float64
 )
 
 // OrderOption defines the ordering options for the APIKey queries.
@@ -163,6 +176,21 @@ func ByStatus(opts ...sql.OrderTermOption) OrderOption {
 	return sql.OrderByField(FieldStatus, opts...).ToFunc()
 }
 
+// ByQuota orders the results by the quota field.
+func ByQuota(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldQuota, opts...).ToFunc()
+}
+
+// ByQuotaUsed orders the results by the quota_used field.
+func ByQuotaUsed(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldQuotaUsed, opts...).ToFunc()
+}
+
+// ByExpiresAt orders the results by the expires_at field.
+func ByExpiresAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldExpiresAt, opts...).ToFunc()
+}
+
 // ByUserField orders the results by user field.
 func ByUserField(field string, opts ...sql.OrderTermOption) OrderOption {
 	return func(s *sql.Selector) {

backend/ent/apikey/where.go

@@ -95,6 +95,21 @@ func Status(v string) predicate.APIKey {
 	return predicate.APIKey(sql.FieldEQ(FieldStatus, v))
 }
 
+// Quota applies equality check predicate on the "quota" field. It's identical to QuotaEQ.
+func Quota(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldQuota, v))
+}
+
+// QuotaUsed applies equality check predicate on the "quota_used" field. It's identical to QuotaUsedEQ.
+func QuotaUsed(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldQuotaUsed, v))
+}
+
+// ExpiresAt applies equality check predicate on the "expires_at" field. It's identical to ExpiresAtEQ.
+func ExpiresAt(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldExpiresAt, v))
+}
+
 // CreatedAtEQ applies the EQ predicate on the "created_at" field.
 func CreatedAtEQ(v time.Time) predicate.APIKey {
 	return predicate.APIKey(sql.FieldEQ(FieldCreatedAt, v))
@@ -490,6 +505,136 @@ func IPBlacklistNotNil() predicate.APIKey {
 	return predicate.APIKey(sql.FieldNotNull(FieldIPBlacklist))
 }
 
+// QuotaEQ applies the EQ predicate on the "quota" field.
+func QuotaEQ(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldQuota, v))
+}
+
+// QuotaNEQ applies the NEQ predicate on the "quota" field.
+func QuotaNEQ(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNEQ(FieldQuota, v))
+}
+
+// QuotaIn applies the In predicate on the "quota" field.
+func QuotaIn(vs ...float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldIn(FieldQuota, vs...))
+}
+
+// QuotaNotIn applies the NotIn predicate on the "quota" field.
+func QuotaNotIn(vs ...float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNotIn(FieldQuota, vs...))
+}
+
+// QuotaGT applies the GT predicate on the "quota" field.
+func QuotaGT(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGT(FieldQuota, v))
+}
+
+// QuotaGTE applies the GTE predicate on the "quota" field.
+func QuotaGTE(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGTE(FieldQuota, v))
+}
+
+// QuotaLT applies the LT predicate on the "quota" field.
+func QuotaLT(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLT(FieldQuota, v))
+}
+
+// QuotaLTE applies the LTE predicate on the "quota" field.
+func QuotaLTE(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLTE(FieldQuota, v))
+}
+
+// QuotaUsedEQ applies the EQ predicate on the "quota_used" field.
+func QuotaUsedEQ(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldQuotaUsed, v))
+}
+
+// QuotaUsedNEQ applies the NEQ predicate on the "quota_used" field.
+func QuotaUsedNEQ(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNEQ(FieldQuotaUsed, v))
+}
+
+// QuotaUsedIn applies the In predicate on the "quota_used" field.
+func QuotaUsedIn(vs ...float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldIn(FieldQuotaUsed, vs...))
+}
+
+// QuotaUsedNotIn applies the NotIn predicate on the "quota_used" field.
+func QuotaUsedNotIn(vs ...float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNotIn(FieldQuotaUsed, vs...))
+}
+
+// QuotaUsedGT applies the GT predicate on the "quota_used" field.
+func QuotaUsedGT(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGT(FieldQuotaUsed, v))
+}
+
+// QuotaUsedGTE applies the GTE predicate on the "quota_used" field.
+func QuotaUsedGTE(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGTE(FieldQuotaUsed, v))
+}
+
+// QuotaUsedLT applies the LT predicate on the "quota_used" field.
+func QuotaUsedLT(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLT(FieldQuotaUsed, v))
+}
+
+// QuotaUsedLTE applies the LTE predicate on the "quota_used" field.
+func QuotaUsedLTE(v float64) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLTE(FieldQuotaUsed, v))
+}
+
+// ExpiresAtEQ applies the EQ predicate on the "expires_at" field.
+func ExpiresAtEQ(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldEQ(FieldExpiresAt, v))
+}
+
+// ExpiresAtNEQ applies the NEQ predicate on the "expires_at" field.
+func ExpiresAtNEQ(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNEQ(FieldExpiresAt, v))
+}
+
+// ExpiresAtIn applies the In predicate on the "expires_at" field.
+func ExpiresAtIn(vs ...time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldIn(FieldExpiresAt, vs...))
+}
+
+// ExpiresAtNotIn applies the NotIn predicate on the "expires_at" field.
+func ExpiresAtNotIn(vs ...time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldNotIn(FieldExpiresAt, vs...))
+}
+
+// ExpiresAtGT applies the GT predicate on the "expires_at" field.
+func ExpiresAtGT(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGT(FieldExpiresAt, v))
+}
+
+// ExpiresAtGTE applies the GTE predicate on the "expires_at" field.
+func ExpiresAtGTE(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldGTE(FieldExpiresAt, v))
+}
+
+// ExpiresAtLT applies the LT predicate on the "expires_at" field.
+func ExpiresAtLT(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLT(FieldExpiresAt, v))
+}
+
+// ExpiresAtLTE applies the LTE predicate on the "expires_at" field.
+func ExpiresAtLTE(v time.Time) predicate.APIKey {
+	return predicate.APIKey(sql.FieldLTE(FieldExpiresAt, v))
+}
+
+// ExpiresAtIsNil applies the IsNil predicate on the "expires_at" field.
+func ExpiresAtIsNil() predicate.APIKey {
+	return predicate.APIKey(sql.FieldIsNull(FieldExpiresAt))
+}
+
+// ExpiresAtNotNil applies the NotNil predicate on the "expires_at" field.
+func ExpiresAtNotNil() predicate.APIKey {
+	return predicate.APIKey(sql.FieldNotNull(FieldExpiresAt))
+}
+
 // HasUser applies the HasEdge predicate on the "user" edge.
 func HasUser() predicate.APIKey {
 	return predicate.APIKey(func(s *sql.Selector) {

backend/ent/apikey_create.go

@@ -125,6 +125,48 @@ func (_c *APIKeyCreate) SetIPBlacklist(v []string) *APIKeyCreate {
 	return _c
 }
 
+// SetQuota sets the "quota" field.
+func (_c *APIKeyCreate) SetQuota(v float64) *APIKeyCreate {
+	_c.mutation.SetQuota(v)
+	return _c
+}
+
+// SetNillableQuota sets the "quota" field if the given value is not nil.
+func (_c *APIKeyCreate) SetNillableQuota(v *float64) *APIKeyCreate {
+	if v != nil {
+		_c.SetQuota(*v)
+	}
+	return _c
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (_c *APIKeyCreate) SetQuotaUsed(v float64) *APIKeyCreate {
+	_c.mutation.SetQuotaUsed(v)
+	return _c
+}
+
+// SetNillableQuotaUsed sets the "quota_used" field if the given value is not nil.
+func (_c *APIKeyCreate) SetNillableQuotaUsed(v *float64) *APIKeyCreate {
+	if v != nil {
+		_c.SetQuotaUsed(*v)
+	}
+	return _c
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (_c *APIKeyCreate) SetExpiresAt(v time.Time) *APIKeyCreate {
+	_c.mutation.SetExpiresAt(v)
+	return _c
+}
+
+// SetNillableExpiresAt sets the "expires_at" field if the given value is not nil.
+func (_c *APIKeyCreate) SetNillableExpiresAt(v *time.Time) *APIKeyCreate {
+	if v != nil {
+		_c.SetExpiresAt(*v)
+	}
+	return _c
+}
+
 // SetUser sets the "user" edge to the User entity.
 func (_c *APIKeyCreate) SetUser(v *User) *APIKeyCreate {
 	return _c.SetUserID(v.ID)
@@ -205,6 +247,14 @@ func (_c *APIKeyCreate) defaults() error {
 		v := apikey.DefaultStatus
 		_c.mutation.SetStatus(v)
 	}
+	if _, ok := _c.mutation.Quota(); !ok {
+		v := apikey.DefaultQuota
+		_c.mutation.SetQuota(v)
+	}
+	if _, ok := _c.mutation.QuotaUsed(); !ok {
+		v := apikey.DefaultQuotaUsed
+		_c.mutation.SetQuotaUsed(v)
+	}
 	return nil
 }
 
@@ -243,6 +293,12 @@ func (_c *APIKeyCreate) check() error {
 			return &ValidationError{Name: "status", err: fmt.Errorf(`ent: validator failed for field "APIKey.status": %w`, err)}
 		}
 	}
+	if _, ok := _c.mutation.Quota(); !ok {
+		return &ValidationError{Name: "quota", err: errors.New(`ent: missing required field "APIKey.quota"`)}
+	}
+	if _, ok := _c.mutation.QuotaUsed(); !ok {
+		return &ValidationError{Name: "quota_used", err: errors.New(`ent: missing required field "APIKey.quota_used"`)}
+	}
 	if len(_c.mutation.UserIDs()) == 0 {
 		return &ValidationError{Name: "user", err: errors.New(`ent: missing required edge "APIKey.user"`)}
 	}
@@ -305,6 +361,18 @@ func (_c *APIKeyCreate) createSpec() (*APIKey, *sqlgraph.CreateSpec) {
 		_spec.SetField(apikey.FieldIPBlacklist, field.TypeJSON, value)
 		_node.IPBlacklist = value
 	}
+	if value, ok := _c.mutation.Quota(); ok {
+		_spec.SetField(apikey.FieldQuota, field.TypeFloat64, value)
+		_node.Quota = value
+	}
+	if value, ok := _c.mutation.QuotaUsed(); ok {
+		_spec.SetField(apikey.FieldQuotaUsed, field.TypeFloat64, value)
+		_node.QuotaUsed = value
+	}
+	if value, ok := _c.mutation.ExpiresAt(); ok {
+		_spec.SetField(apikey.FieldExpiresAt, field.TypeTime, value)
+		_node.ExpiresAt = &value
+	}
 	if nodes := _c.mutation.UserIDs(); len(nodes) > 0 {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,
@@ -539,6 +607,60 @@ func (u *APIKeyUpsert) ClearIPBlacklist() *APIKeyUpsert {
 	return u
 }
 
+// SetQuota sets the "quota" field.
+func (u *APIKeyUpsert) SetQuota(v float64) *APIKeyUpsert {
+	u.Set(apikey.FieldQuota, v)
+	return u
+}
+
+// UpdateQuota sets the "quota" field to the value that was provided on create.
+func (u *APIKeyUpsert) UpdateQuota() *APIKeyUpsert {
+	u.SetExcluded(apikey.FieldQuota)
+	return u
+}
+
+// AddQuota adds v to the "quota" field.
+func (u *APIKeyUpsert) AddQuota(v float64) *APIKeyUpsert {
+	u.Add(apikey.FieldQuota, v)
+	return u
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (u *APIKeyUpsert) SetQuotaUsed(v float64) *APIKeyUpsert {
+	u.Set(apikey.FieldQuotaUsed, v)
+	return u
+}
+
+// UpdateQuotaUsed sets the "quota_used" field to the value that was provided on create.
+func (u *APIKeyUpsert) UpdateQuotaUsed() *APIKeyUpsert {
+	u.SetExcluded(apikey.FieldQuotaUsed)
+	return u
+}
+
+// AddQuotaUsed adds v to the "quota_used" field.
+func (u *APIKeyUpsert) AddQuotaUsed(v float64) *APIKeyUpsert {
+	u.Add(apikey.FieldQuotaUsed, v)
+	return u
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (u *APIKeyUpsert) SetExpiresAt(v time.Time) *APIKeyUpsert {
+	u.Set(apikey.FieldExpiresAt, v)
+	return u
+}
+
+// UpdateExpiresAt sets the "expires_at" field to the value that was provided on create.
+func (u *APIKeyUpsert) UpdateExpiresAt() *APIKeyUpsert {
+	u.SetExcluded(apikey.FieldExpiresAt)
+	return u
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (u *APIKeyUpsert) ClearExpiresAt() *APIKeyUpsert {
+	u.SetNull(apikey.FieldExpiresAt)
+	return u
+}
+
 // UpdateNewValues updates the mutable fields using the new values that were set on create.
 // Using this option is equivalent to using:
 //
@@ -738,6 +860,69 @@ func (u *APIKeyUpsertOne) ClearIPBlacklist() *APIKeyUpsertOne {
 	})
 }
 
+// SetQuota sets the "quota" field.
+func (u *APIKeyUpsertOne) SetQuota(v float64) *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetQuota(v)
+	})
+}
+
+// AddQuota adds v to the "quota" field.
+func (u *APIKeyUpsertOne) AddQuota(v float64) *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.AddQuota(v)
+	})
+}
+
+// UpdateQuota sets the "quota" field to the value that was provided on create.
+func (u *APIKeyUpsertOne) UpdateQuota() *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateQuota()
+	})
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (u *APIKeyUpsertOne) SetQuotaUsed(v float64) *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetQuotaUsed(v)
+	})
+}
+
+// AddQuotaUsed adds v to the "quota_used" field.
+func (u *APIKeyUpsertOne) AddQuotaUsed(v float64) *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.AddQuotaUsed(v)
+	})
+}
+
+// UpdateQuotaUsed sets the "quota_used" field to the value that was provided on create.
+func (u *APIKeyUpsertOne) UpdateQuotaUsed() *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateQuotaUsed()
+	})
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (u *APIKeyUpsertOne) SetExpiresAt(v time.Time) *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetExpiresAt(v)
+	})
+}
+
+// UpdateExpiresAt sets the "expires_at" field to the value that was provided on create.
+func (u *APIKeyUpsertOne) UpdateExpiresAt() *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateExpiresAt()
+	})
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (u *APIKeyUpsertOne) ClearExpiresAt() *APIKeyUpsertOne {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.ClearExpiresAt()
+	})
+}
+
 // Exec executes the query.
 func (u *APIKeyUpsertOne) Exec(ctx context.Context) error {
 	if len(u.create.conflict) == 0 {
@@ -1103,6 +1288,69 @@ func (u *APIKeyUpsertBulk) ClearIPBlacklist() *APIKeyUpsertBulk {
 	})
 }
 
+// SetQuota sets the "quota" field.
+func (u *APIKeyUpsertBulk) SetQuota(v float64) *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetQuota(v)
+	})
+}
+
+// AddQuota adds v to the "quota" field.
+func (u *APIKeyUpsertBulk) AddQuota(v float64) *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.AddQuota(v)
+	})
+}
+
+// UpdateQuota sets the "quota" field to the value that was provided on create.
+func (u *APIKeyUpsertBulk) UpdateQuota() *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateQuota()
+	})
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (u *APIKeyUpsertBulk) SetQuotaUsed(v float64) *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetQuotaUsed(v)
+	})
+}
+
+// AddQuotaUsed adds v to the "quota_used" field.
+func (u *APIKeyUpsertBulk) AddQuotaUsed(v float64) *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.AddQuotaUsed(v)
+	})
+}
+
+// UpdateQuotaUsed sets the "quota_used" field to the value that was provided on create.
+func (u *APIKeyUpsertBulk) UpdateQuotaUsed() *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateQuotaUsed()
+	})
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (u *APIKeyUpsertBulk) SetExpiresAt(v time.Time) *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.SetExpiresAt(v)
+	})
+}
+
+// UpdateExpiresAt sets the "expires_at" field to the value that was provided on create.
+func (u *APIKeyUpsertBulk) UpdateExpiresAt() *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.UpdateExpiresAt()
+	})
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (u *APIKeyUpsertBulk) ClearExpiresAt() *APIKeyUpsertBulk {
+	return u.Update(func(s *APIKeyUpsert) {
+		s.ClearExpiresAt()
+	})
+}
+
 // Exec executes the query.
 func (u *APIKeyUpsertBulk) Exec(ctx context.Context) error {
 	if u.create.err != nil {

backend/ent/apikey_update.go

@@ -170,6 +170,68 @@ func (_u *APIKeyUpdate) ClearIPBlacklist() *APIKeyUpdate {
 	return _u
 }
 
+// SetQuota sets the "quota" field.
+func (_u *APIKeyUpdate) SetQuota(v float64) *APIKeyUpdate {
+	_u.mutation.ResetQuota()
+	_u.mutation.SetQuota(v)
+	return _u
+}
+
+// SetNillableQuota sets the "quota" field if the given value is not nil.
+func (_u *APIKeyUpdate) SetNillableQuota(v *float64) *APIKeyUpdate {
+	if v != nil {
+		_u.SetQuota(*v)
+	}
+	return _u
+}
+
+// AddQuota adds value to the "quota" field.
+func (_u *APIKeyUpdate) AddQuota(v float64) *APIKeyUpdate {
+	_u.mutation.AddQuota(v)
+	return _u
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (_u *APIKeyUpdate) SetQuotaUsed(v float64) *APIKeyUpdate {
+	_u.mutation.ResetQuotaUsed()
+	_u.mutation.SetQuotaUsed(v)
+	return _u
+}
+
+// SetNillableQuotaUsed sets the "quota_used" field if the given value is not nil.
+func (_u *APIKeyUpdate) SetNillableQuotaUsed(v *float64) *APIKeyUpdate {
+	if v != nil {
+		_u.SetQuotaUsed(*v)
+	}
+	return _u
+}
+
+// AddQuotaUsed adds value to the "quota_used" field.
+func (_u *APIKeyUpdate) AddQuotaUsed(v float64) *APIKeyUpdate {
+	_u.mutation.AddQuotaUsed(v)
+	return _u
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (_u *APIKeyUpdate) SetExpiresAt(v time.Time) *APIKeyUpdate {
+	_u.mutation.SetExpiresAt(v)
+	return _u
+}
+
+// SetNillableExpiresAt sets the "expires_at" field if the given value is not nil.
+func (_u *APIKeyUpdate) SetNillableExpiresAt(v *time.Time) *APIKeyUpdate {
+	if v != nil {
+		_u.SetExpiresAt(*v)
+	}
+	return _u
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (_u *APIKeyUpdate) ClearExpiresAt() *APIKeyUpdate {
+	_u.mutation.ClearExpiresAt()
+	return _u
+}
+
 // SetUser sets the "user" edge to the User entity.
 func (_u *APIKeyUpdate) SetUser(v *User) *APIKeyUpdate {
 	return _u.SetUserID(v.ID)
@@ -350,6 +412,24 @@ func (_u *APIKeyUpdate) sqlSave(ctx context.Context) (_node int, err error) {
 	if _u.mutation.IPBlacklistCleared() {
 		_spec.ClearField(apikey.FieldIPBlacklist, field.TypeJSON)
 	}
+	if value, ok := _u.mutation.Quota(); ok {
+		_spec.SetField(apikey.FieldQuota, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.AddedQuota(); ok {
+		_spec.AddField(apikey.FieldQuota, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.QuotaUsed(); ok {
+		_spec.SetField(apikey.FieldQuotaUsed, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.AddedQuotaUsed(); ok {
+		_spec.AddField(apikey.FieldQuotaUsed, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.ExpiresAt(); ok {
+		_spec.SetField(apikey.FieldExpiresAt, field.TypeTime, value)
+	}
+	if _u.mutation.ExpiresAtCleared() {
+		_spec.ClearField(apikey.FieldExpiresAt, field.TypeTime)
+	}
 	if _u.mutation.UserCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,
@@ -611,6 +691,68 @@ func (_u *APIKeyUpdateOne) ClearIPBlacklist() *APIKeyUpdateOne {
 	return _u
 }
 
+// SetQuota sets the "quota" field.
+func (_u *APIKeyUpdateOne) SetQuota(v float64) *APIKeyUpdateOne {
+	_u.mutation.ResetQuota()
+	_u.mutation.SetQuota(v)
+	return _u
+}
+
+// SetNillableQuota sets the "quota" field if the given value is not nil.
+func (_u *APIKeyUpdateOne) SetNillableQuota(v *float64) *APIKeyUpdateOne {
+	if v != nil {
+		_u.SetQuota(*v)
+	}
+	return _u
+}
+
+// AddQuota adds value to the "quota" field.
+func (_u *APIKeyUpdateOne) AddQuota(v float64) *APIKeyUpdateOne {
+	_u.mutation.AddQuota(v)
+	return _u
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (_u *APIKeyUpdateOne) SetQuotaUsed(v float64) *APIKeyUpdateOne {
+	_u.mutation.ResetQuotaUsed()
+	_u.mutation.SetQuotaUsed(v)
+	return _u
+}
+
+// SetNillableQuotaUsed sets the "quota_used" field if the given value is not nil.
+func (_u *APIKeyUpdateOne) SetNillableQuotaUsed(v *float64) *APIKeyUpdateOne {
+	if v != nil {
+		_u.SetQuotaUsed(*v)
+	}
+	return _u
+}
+
+// AddQuotaUsed adds value to the "quota_used" field.
+func (_u *APIKeyUpdateOne) AddQuotaUsed(v float64) *APIKeyUpdateOne {
+	_u.mutation.AddQuotaUsed(v)
+	return _u
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (_u *APIKeyUpdateOne) SetExpiresAt(v time.Time) *APIKeyUpdateOne {
+	_u.mutation.SetExpiresAt(v)
+	return _u
+}
+
+// SetNillableExpiresAt sets the "expires_at" field if the given value is not nil.
+func (_u *APIKeyUpdateOne) SetNillableExpiresAt(v *time.Time) *APIKeyUpdateOne {
+	if v != nil {
+		_u.SetExpiresAt(*v)
+	}
+	return _u
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (_u *APIKeyUpdateOne) ClearExpiresAt() *APIKeyUpdateOne {
+	_u.mutation.ClearExpiresAt()
+	return _u
+}
+
 // SetUser sets the "user" edge to the User entity.
 func (_u *APIKeyUpdateOne) SetUser(v *User) *APIKeyUpdateOne {
 	return _u.SetUserID(v.ID)
@@ -821,6 +963,24 @@ func (_u *APIKeyUpdateOne) sqlSave(ctx context.Context) (_node *APIKey, err erro
 	if _u.mutation.IPBlacklistCleared() {
 		_spec.ClearField(apikey.FieldIPBlacklist, field.TypeJSON)
 	}
+	if value, ok := _u.mutation.Quota(); ok {
+		_spec.SetField(apikey.FieldQuota, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.AddedQuota(); ok {
+		_spec.AddField(apikey.FieldQuota, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.QuotaUsed(); ok {
+		_spec.SetField(apikey.FieldQuotaUsed, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.AddedQuotaUsed(); ok {
+		_spec.AddField(apikey.FieldQuotaUsed, field.TypeFloat64, value)
+	}
+	if value, ok := _u.mutation.ExpiresAt(); ok {
+		_spec.SetField(apikey.FieldExpiresAt, field.TypeTime, value)
+	}
+	if _u.mutation.ExpiresAtCleared() {
+		_spec.ClearField(apikey.FieldExpiresAt, field.TypeTime)
+	}
 	if _u.mutation.UserCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.M2O,

backend/ent/migrate/schema.go

@@ -20,6 +20,9 @@ var (
 		{Name: "status", Type: field.TypeString, Size: 20, Default: "active"},
 		{Name: "ip_whitelist", Type: field.TypeJSON, Nullable: true},
 		{Name: "ip_blacklist", Type: field.TypeJSON, Nullable: true},
+		{Name: "quota", Type: field.TypeFloat64, Default: 0, SchemaType: map[string]string{"postgres": "decimal(20,8)"}},
+		{Name: "quota_used", Type: field.TypeFloat64, Default: 0, SchemaType: map[string]string{"postgres": "decimal(20,8)"}},
+		{Name: "expires_at", Type: field.TypeTime, Nullable: true},
 		{Name: "group_id", Type: field.TypeInt64, Nullable: true},
 		{Name: "user_id", Type: field.TypeInt64},
 	}
@@ -31,13 +34,13 @@ var (
 		ForeignKeys: []*schema.ForeignKey{
 			{
 				Symbol:     "api_keys_groups_api_keys",
-				Columns:    []*schema.Column{APIKeysColumns[9]},
+				Columns:    []*schema.Column{APIKeysColumns[12]},
 				RefColumns: []*schema.Column{GroupsColumns[0]},
 				OnDelete:   schema.SetNull,
 			},
 			{
 				Symbol:     "api_keys_users_api_keys",
-				Columns:    []*schema.Column{APIKeysColumns[10]},
+				Columns:    []*schema.Column{APIKeysColumns[13]},
 				RefColumns: []*schema.Column{UsersColumns[0]},
 				OnDelete:   schema.NoAction,
 			},
@@ -46,12 +49,12 @@ var (
 			{
 				Name:    "apikey_user_id",
 				Unique:  false,
-				Columns: []*schema.Column{APIKeysColumns[10]},
+				Columns: []*schema.Column{APIKeysColumns[13]},
 			},
 			{
 				Name:    "apikey_group_id",
 				Unique:  false,
-				Columns: []*schema.Column{APIKeysColumns[9]},
+				Columns: []*schema.Column{APIKeysColumns[12]},
 			},
 			{
 				Name:    "apikey_status",
@@ -63,6 +66,16 @@ var (
 				Unique:  false,
 				Columns: []*schema.Column{APIKeysColumns[3]},
 			},
+			{
+				Name:    "apikey_quota_quota_used",
+				Unique:  false,
+				Columns: []*schema.Column{APIKeysColumns[9], APIKeysColumns[10]},
+			},
+			{
+				Name:    "apikey_expires_at",
+				Unique:  false,
+				Columns: []*schema.Column{APIKeysColumns[11]},
+			},
 		},
 	}
 	// AccountsColumns holds the columns for the "accounts" table.

backend/ent/mutation.go

@@ -79,6 +79,11 @@ type APIKeyMutation struct {
 	appendip_whitelist []string
 	ip_blacklist       *[]string
 	appendip_blacklist []string
+	quota              *float64
+	addquota           *float64
+	quota_used         *float64
+	addquota_used      *float64
+	expires_at         *time.Time
 	clearedFields      map[string]struct{}
 	user               *int64
 	cleareduser        bool
@@ -634,6 +639,167 @@ func (m *APIKeyMutation) ResetIPBlacklist() {
 	delete(m.clearedFields, apikey.FieldIPBlacklist)
 }
 
+// SetQuota sets the "quota" field.
+func (m *APIKeyMutation) SetQuota(f float64) {
+	m.quota = &f
+	m.addquota = nil
+}
+
+// Quota returns the value of the "quota" field in the mutation.
+func (m *APIKeyMutation) Quota() (r float64, exists bool) {
+	v := m.quota
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldQuota returns the old "quota" field's value of the APIKey entity.
+// If the APIKey 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 *APIKeyMutation) OldQuota(ctx context.Context) (v float64, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldQuota is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldQuota requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldQuota: %w", err)
+	}
+	return oldValue.Quota, nil
+}
+
+// AddQuota adds f to the "quota" field.
+func (m *APIKeyMutation) AddQuota(f float64) {
+	if m.addquota != nil {
+		*m.addquota += f
+	} else {
+		m.addquota = &f
+	}
+}
+
+// AddedQuota returns the value that was added to the "quota" field in this mutation.
+func (m *APIKeyMutation) AddedQuota() (r float64, exists bool) {
+	v := m.addquota
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ResetQuota resets all changes to the "quota" field.
+func (m *APIKeyMutation) ResetQuota() {
+	m.quota = nil
+	m.addquota = nil
+}
+
+// SetQuotaUsed sets the "quota_used" field.
+func (m *APIKeyMutation) SetQuotaUsed(f float64) {
+	m.quota_used = &f
+	m.addquota_used = nil
+}
+
+// QuotaUsed returns the value of the "quota_used" field in the mutation.
+func (m *APIKeyMutation) QuotaUsed() (r float64, exists bool) {
+	v := m.quota_used
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldQuotaUsed returns the old "quota_used" field's value of the APIKey entity.
+// If the APIKey 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 *APIKeyMutation) OldQuotaUsed(ctx context.Context) (v float64, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldQuotaUsed is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldQuotaUsed requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldQuotaUsed: %w", err)
+	}
+	return oldValue.QuotaUsed, nil
+}
+
+// AddQuotaUsed adds f to the "quota_used" field.
+func (m *APIKeyMutation) AddQuotaUsed(f float64) {
+	if m.addquota_used != nil {
+		*m.addquota_used += f
+	} else {
+		m.addquota_used = &f
+	}
+}
+
+// AddedQuotaUsed returns the value that was added to the "quota_used" field in this mutation.
+func (m *APIKeyMutation) AddedQuotaUsed() (r float64, exists bool) {
+	v := m.addquota_used
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// ResetQuotaUsed resets all changes to the "quota_used" field.
+func (m *APIKeyMutation) ResetQuotaUsed() {
+	m.quota_used = nil
+	m.addquota_used = nil
+}
+
+// SetExpiresAt sets the "expires_at" field.
+func (m *APIKeyMutation) SetExpiresAt(t time.Time) {
+	m.expires_at = &t
+}
+
+// ExpiresAt returns the value of the "expires_at" field in the mutation.
+func (m *APIKeyMutation) ExpiresAt() (r time.Time, exists bool) {
+	v := m.expires_at
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldExpiresAt returns the old "expires_at" field's value of the APIKey entity.
+// If the APIKey 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 *APIKeyMutation) OldExpiresAt(ctx context.Context) (v *time.Time, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldExpiresAt is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldExpiresAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldExpiresAt: %w", err)
+	}
+	return oldValue.ExpiresAt, nil
+}
+
+// ClearExpiresAt clears the value of the "expires_at" field.
+func (m *APIKeyMutation) ClearExpiresAt() {
+	m.expires_at = nil
+	m.clearedFields[apikey.FieldExpiresAt] = struct{}{}
+}
+
+// ExpiresAtCleared returns if the "expires_at" field was cleared in this mutation.
+func (m *APIKeyMutation) ExpiresAtCleared() bool {
+	_, ok := m.clearedFields[apikey.FieldExpiresAt]
+	return ok
+}
+
+// ResetExpiresAt resets all changes to the "expires_at" field.
+func (m *APIKeyMutation) ResetExpiresAt() {
+	m.expires_at = nil
+	delete(m.clearedFields, apikey.FieldExpiresAt)
+}
+
 // ClearUser clears the "user" edge to the User entity.
 func (m *APIKeyMutation) ClearUser() {
 	m.cleareduser = true
@@ -776,7 +942,7 @@ func (m *APIKeyMutation) Type() string {
 // order to get all numeric fields that were incremented/decremented, call
 // AddedFields().
 func (m *APIKeyMutation) Fields() []string {
-	fields := make([]string, 0, 10)
+	fields := make([]string, 0, 13)
 	if m.created_at != nil {
 		fields = append(fields, apikey.FieldCreatedAt)
 	}
@@ -807,6 +973,15 @@ func (m *APIKeyMutation) Fields() []string {
 	if m.ip_blacklist != nil {
 		fields = append(fields, apikey.FieldIPBlacklist)
 	}
+	if m.quota != nil {
+		fields = append(fields, apikey.FieldQuota)
+	}
+	if m.quota_used != nil {
+		fields = append(fields, apikey.FieldQuotaUsed)
+	}
+	if m.expires_at != nil {
+		fields = append(fields, apikey.FieldExpiresAt)
+	}
 	return fields
 }
 
@@ -835,6 +1010,12 @@ func (m *APIKeyMutation) Field(name string) (ent.Value, bool) {
 		return m.IPWhitelist()
 	case apikey.FieldIPBlacklist:
 		return m.IPBlacklist()
+	case apikey.FieldQuota:
+		return m.Quota()
+	case apikey.FieldQuotaUsed:
+		return m.QuotaUsed()
+	case apikey.FieldExpiresAt:
+		return m.ExpiresAt()
 	}
 	return nil, false
 }
@@ -864,6 +1045,12 @@ func (m *APIKeyMutation) OldField(ctx context.Context, name string) (ent.Value,
 		return m.OldIPWhitelist(ctx)
 	case apikey.FieldIPBlacklist:
 		return m.OldIPBlacklist(ctx)
+	case apikey.FieldQuota:
+		return m.OldQuota(ctx)
+	case apikey.FieldQuotaUsed:
+		return m.OldQuotaUsed(ctx)
+	case apikey.FieldExpiresAt:
+		return m.OldExpiresAt(ctx)
 	}
 	return nil, fmt.Errorf("unknown APIKey field %s", name)
 }
@@ -943,6 +1130,27 @@ func (m *APIKeyMutation) SetField(name string, value ent.Value) error {
 		}
 		m.SetIPBlacklist(v)
 		return nil
+	case apikey.FieldQuota:
+		v, ok := value.(float64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetQuota(v)
+		return nil
+	case apikey.FieldQuotaUsed:
+		v, ok := value.(float64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetQuotaUsed(v)
+		return nil
+	case apikey.FieldExpiresAt:
+		v, ok := value.(time.Time)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetExpiresAt(v)
+		return nil
 	}
 	return fmt.Errorf("unknown APIKey field %s", name)
 }
@@ -951,6 +1159,12 @@ func (m *APIKeyMutation) SetField(name string, value ent.Value) error {
 // this mutation.
 func (m *APIKeyMutation) AddedFields() []string {
 	var fields []string
+	if m.addquota != nil {
+		fields = append(fields, apikey.FieldQuota)
+	}
+	if m.addquota_used != nil {
+		fields = append(fields, apikey.FieldQuotaUsed)
+	}
 	return fields
 }
 
@@ -959,6 +1173,10 @@ func (m *APIKeyMutation) AddedFields() []string {
 // was not set, or was not defined in the schema.
 func (m *APIKeyMutation) AddedField(name string) (ent.Value, bool) {
 	switch name {
+	case apikey.FieldQuota:
+		return m.AddedQuota()
+	case apikey.FieldQuotaUsed:
+		return m.AddedQuotaUsed()
 	}
 	return nil, false
 }
@@ -968,6 +1186,20 @@ func (m *APIKeyMutation) AddedField(name string) (ent.Value, bool) {
 // type.
 func (m *APIKeyMutation) AddField(name string, value ent.Value) error {
 	switch name {
+	case apikey.FieldQuota:
+		v, ok := value.(float64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddQuota(v)
+		return nil
+	case apikey.FieldQuotaUsed:
+		v, ok := value.(float64)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.AddQuotaUsed(v)
+		return nil
 	}
 	return fmt.Errorf("unknown APIKey numeric field %s", name)
 }
@@ -988,6 +1220,9 @@ func (m *APIKeyMutation) ClearedFields() []string {
 	if m.FieldCleared(apikey.FieldIPBlacklist) {
 		fields = append(fields, apikey.FieldIPBlacklist)
 	}
+	if m.FieldCleared(apikey.FieldExpiresAt) {
+		fields = append(fields, apikey.FieldExpiresAt)
+	}
 	return fields
 }
 
@@ -1014,6 +1249,9 @@ func (m *APIKeyMutation) ClearField(name string) error {
 	case apikey.FieldIPBlacklist:
 		m.ClearIPBlacklist()
 		return nil
+	case apikey.FieldExpiresAt:
+		m.ClearExpiresAt()
+		return nil
 	}
 	return fmt.Errorf("unknown APIKey nullable field %s", name)
 }
@@ -1052,6 +1290,15 @@ func (m *APIKeyMutation) ResetField(name string) error {
 	case apikey.FieldIPBlacklist:
 		m.ResetIPBlacklist()
 		return nil
+	case apikey.FieldQuota:
+		m.ResetQuota()
+		return nil
+	case apikey.FieldQuotaUsed:
+		m.ResetQuotaUsed()
+		return nil
+	case apikey.FieldExpiresAt:
+		m.ResetExpiresAt()
+		return nil
 	}
 	return fmt.Errorf("unknown APIKey field %s", name)
 }

backend/ent/runtime/runtime.go

@@ -91,6 +91,14 @@ func init() {
 	apikey.DefaultStatus = apikeyDescStatus.Default.(string)
 	// apikey.StatusValidator is a validator for the "status" field. It is called by the builders before save.
 	apikey.StatusValidator = apikeyDescStatus.Validators[0].(func(string) error)
+	// apikeyDescQuota is the schema descriptor for quota field.
+	apikeyDescQuota := apikeyFields[7].Descriptor()
+	// apikey.DefaultQuota holds the default value on creation for the quota field.
+	apikey.DefaultQuota = apikeyDescQuota.Default.(float64)
+	// apikeyDescQuotaUsed is the schema descriptor for quota_used field.
+	apikeyDescQuotaUsed := apikeyFields[8].Descriptor()
+	// apikey.DefaultQuotaUsed holds the default value on creation for the quota_used field.
+	apikey.DefaultQuotaUsed = apikeyDescQuotaUsed.Default.(float64)
 	accountMixin := schema.Account{}.Mixin()
 	accountMixinHooks1 := accountMixin[1].Hooks()
 	account.Hooks[0] = accountMixinHooks1[0]

backend/ent/schema/api_key.go

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

backend/internal/handler/api_key_handler.go

@@ -3,6 +3,7 @@ package handler
 
 import (
 	"strconv"
+	"time"
 
 	"github.com/Wei-Shaw/sub2api/internal/handler/dto"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
@@ -27,11 +28,13 @@ func NewAPIKeyHandler(apiKeyService *service.APIKeyService) *APIKeyHandler {
 
 // CreateAPIKeyRequest represents the create API key request payload
 type CreateAPIKeyRequest struct {
-	Name        string   `json:"name" binding:"required"`
-	GroupID     *int64   `json:"group_id"`     // nullable
-	CustomKey   *string  `json:"custom_key"`   // 可选的自定义key
-	IPWhitelist []string `json:"ip_whitelist"` // IP 白名单
-	IPBlacklist []string `json:"ip_blacklist"` // IP 黑名单
+	Name          string   `json:"name" binding:"required"`
+	GroupID       *int64   `json:"group_id"`        // nullable
+	CustomKey     *string  `json:"custom_key"`      // 可选的自定义key
+	IPWhitelist   []string `json:"ip_whitelist"`    // IP 白名单
+	IPBlacklist   []string `json:"ip_blacklist"`    // IP 黑名单
+	Quota         *float64 `json:"quota"`           // 配额限制 (USD)
+	ExpiresInDays *int     `json:"expires_in_days"` // 过期天数
 }
 
 // UpdateAPIKeyRequest represents the update API key request payload
@@ -41,6 +44,9 @@ type UpdateAPIKeyRequest struct {
 	Status      string   `json:"status" binding:"omitempty,oneof=active inactive"`
 	IPWhitelist []string `json:"ip_whitelist"` // IP 白名单
 	IPBlacklist []string `json:"ip_blacklist"` // IP 黑名单
+	Quota       *float64 `json:"quota"`        // 配额限制 (USD), 0=无限制
+	ExpiresAt   *string  `json:"expires_at"`   // 过期时间 (ISO 8601)
+	ResetQuota  *bool    `json:"reset_quota"`  // 重置已用配额
 }
 
 // List handles listing user's API keys with pagination
@@ -114,11 +120,15 @@ func (h *APIKeyHandler) Create(c *gin.Context) {
 	}
 
 	svcReq := service.CreateAPIKeyRequest{
-		Name:        req.Name,
-		GroupID:     req.GroupID,
-		CustomKey:   req.CustomKey,
-		IPWhitelist: req.IPWhitelist,
-		IPBlacklist: req.IPBlacklist,
+		Name:          req.Name,
+		GroupID:       req.GroupID,
+		CustomKey:     req.CustomKey,
+		IPWhitelist:   req.IPWhitelist,
+		IPBlacklist:   req.IPBlacklist,
+		ExpiresInDays: req.ExpiresInDays,
+	}
+	if req.Quota != nil {
+		svcReq.Quota = *req.Quota
 	}
 	key, err := h.apiKeyService.Create(c.Request.Context(), subject.UserID, svcReq)
 	if err != nil {
@@ -153,6 +163,8 @@ func (h *APIKeyHandler) Update(c *gin.Context) {
 	svcReq := service.UpdateAPIKeyRequest{
 		IPWhitelist: req.IPWhitelist,
 		IPBlacklist: req.IPBlacklist,
+		Quota:       req.Quota,
+		ResetQuota:  req.ResetQuota,
 	}
 	if req.Name != "" {
 		svcReq.Name = &req.Name
@@ -161,6 +173,21 @@ func (h *APIKeyHandler) Update(c *gin.Context) {
 	if req.Status != "" {
 		svcReq.Status = &req.Status
 	}
+	// Parse expires_at if provided
+	if req.ExpiresAt != nil {
+		if *req.ExpiresAt == "" {
+			// Empty string means clear expiration
+			svcReq.ExpiresAt = nil
+			svcReq.ClearExpiration = true
+		} else {
+			t, err := time.Parse(time.RFC3339, *req.ExpiresAt)
+			if err != nil {
+				response.BadRequest(c, "Invalid expires_at format: "+err.Error())
+				return
+			}
+			svcReq.ExpiresAt = &t
+		}
+	}
 
 	key, err := h.apiKeyService.Update(c.Request.Context(), keyID, subject.UserID, svcReq)
 	if err != nil {

backend/internal/handler/dto/mappers.go

@@ -76,6 +76,9 @@ func APIKeyFromService(k *service.APIKey) *APIKey {
 		Status:      k.Status,
 		IPWhitelist: k.IPWhitelist,
 		IPBlacklist: k.IPBlacklist,
+		Quota:       k.Quota,
+		QuotaUsed:   k.QuotaUsed,
+		ExpiresAt:   k.ExpiresAt,
 		CreatedAt:   k.CreatedAt,
 		UpdatedAt:   k.UpdatedAt,
 		User:        UserFromServiceShallow(k.User),

backend/internal/handler/dto/types.go

@@ -32,16 +32,19 @@ type AdminUser struct {
 }
 
 type APIKey struct {
-	ID          int64     `json:"id"`
-	UserID      int64     `json:"user_id"`
-	Key         string    `json:"key"`
-	Name        string    `json:"name"`
-	GroupID     *int64    `json:"group_id"`
-	Status      string    `json:"status"`
-	IPWhitelist []string  `json:"ip_whitelist"`
-	IPBlacklist []string  `json:"ip_blacklist"`
-	CreatedAt   time.Time `json:"created_at"`
-	UpdatedAt   time.Time `json:"updated_at"`
+	ID          int64      `json:"id"`
+	UserID      int64      `json:"user_id"`
+	Key         string     `json:"key"`
+	Name        string     `json:"name"`
+	GroupID     *int64     `json:"group_id"`
+	Status      string     `json:"status"`
+	IPWhitelist []string   `json:"ip_whitelist"`
+	IPBlacklist []string   `json:"ip_blacklist"`
+	Quota       float64    `json:"quota"`      // Quota limit in USD (0 = unlimited)
+	QuotaUsed   float64    `json:"quota_used"` // Used quota amount in USD
+	ExpiresAt   *time.Time `json:"expires_at"` // Expiration time (nil = never expires)
+	CreatedAt   time.Time  `json:"created_at"`
+	UpdatedAt   time.Time  `json:"updated_at"`
 
 	User  *User  `json:"user,omitempty"`
 	Group *Group `json:"group,omitempty"`

backend/internal/handler/gateway_handler.go

@@ -31,6 +31,7 @@ type GatewayHandler struct {
 	userService               *service.UserService
 	billingCacheService       *service.BillingCacheService
 	usageService              *service.UsageService
+	apiKeyService             *service.APIKeyService
 	concurrencyHelper         *ConcurrencyHelper
 	maxAccountSwitches        int
 	maxAccountSwitchesGemini  int
@@ -45,6 +46,7 @@ func NewGatewayHandler(
 	concurrencyService *service.ConcurrencyService,
 	billingCacheService *service.BillingCacheService,
 	usageService *service.UsageService,
+	apiKeyService *service.APIKeyService,
 	cfg *config.Config,
 ) *GatewayHandler {
 	pingInterval := time.Duration(0)
@@ -66,6 +68,7 @@ func NewGatewayHandler(
 		userService:               userService,
 		billingCacheService:       billingCacheService,
 		usageService:              usageService,
+		apiKeyService:             apiKeyService,
 		concurrencyHelper:         NewConcurrencyHelper(concurrencyService, SSEPingFormatClaude, pingInterval),
 		maxAccountSwitches:        maxAccountSwitches,
 		maxAccountSwitchesGemini:  maxAccountSwitchesGemini,
@@ -316,13 +319,14 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 				ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 				defer cancel()
 				if err := h.gatewayService.RecordUsage(ctx, &service.RecordUsageInput{
-					Result:       result,
-					APIKey:       apiKey,
-					User:         apiKey.User,
-					Account:      usedAccount,
-					Subscription: subscription,
-					UserAgent:    ua,
-					IPAddress:    clientIP,
+					Result:        result,
+					APIKey:        apiKey,
+					User:          apiKey.User,
+					Account:       usedAccount,
+					Subscription:  subscription,
+					UserAgent:     ua,
+					IPAddress:     clientIP,
+					APIKeyService: h.apiKeyService,
 				}); err != nil {
 					log.Printf("Record usage failed: %v", err)
 				}
@@ -452,13 +456,14 @@ func (h *GatewayHandler) Messages(c *gin.Context) {
 			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 			defer cancel()
 			if err := h.gatewayService.RecordUsage(ctx, &service.RecordUsageInput{
-				Result:       result,
-				APIKey:       apiKey,
-				User:         apiKey.User,
-				Account:      usedAccount,
-				Subscription: subscription,
-				UserAgent:    ua,
-				IPAddress:    clientIP,
+				Result:        result,
+				APIKey:        apiKey,
+				User:          apiKey.User,
+				Account:       usedAccount,
+				Subscription:  subscription,
+				UserAgent:     ua,
+				IPAddress:     clientIP,
+				APIKeyService: h.apiKeyService,
 			}); err != nil {
 				log.Printf("Record usage failed: %v", err)
 			}

backend/internal/handler/gemini_v1beta_handler.go

@@ -381,6 +381,7 @@ func (h *GatewayHandler) GeminiV1BetaModels(c *gin.Context) {
 				IPAddress:             ip,
 				LongContextThreshold:  200000, // Gemini 200K 阈值
 				LongContextMultiplier: 2.0,    // 超出部分双倍计费
+				APIKeyService:         h.apiKeyService,
 			}); err != nil {
 				log.Printf("Record usage failed: %v", err)
 			}

backend/internal/handler/openai_gateway_handler.go

@@ -24,6 +24,7 @@ import (
 type OpenAIGatewayHandler struct {
 	gatewayService      *service.OpenAIGatewayService
 	billingCacheService *service.BillingCacheService
+	apiKeyService       *service.APIKeyService
 	concurrencyHelper   *ConcurrencyHelper
 	maxAccountSwitches  int
 }
@@ -33,6 +34,7 @@ func NewOpenAIGatewayHandler(
 	gatewayService *service.OpenAIGatewayService,
 	concurrencyService *service.ConcurrencyService,
 	billingCacheService *service.BillingCacheService,
+	apiKeyService *service.APIKeyService,
 	cfg *config.Config,
 ) *OpenAIGatewayHandler {
 	pingInterval := time.Duration(0)
@@ -46,6 +48,7 @@ func NewOpenAIGatewayHandler(
 	return &OpenAIGatewayHandler{
 		gatewayService:      gatewayService,
 		billingCacheService: billingCacheService,
+		apiKeyService:       apiKeyService,
 		concurrencyHelper:   NewConcurrencyHelper(concurrencyService, SSEPingFormatComment, pingInterval),
 		maxAccountSwitches:  maxAccountSwitches,
 	}
@@ -299,13 +302,14 @@ func (h *OpenAIGatewayHandler) Responses(c *gin.Context) {
 			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 			defer cancel()
 			if err := h.gatewayService.RecordUsage(ctx, &service.OpenAIRecordUsageInput{
-				Result:       result,
-				APIKey:       apiKey,
-				User:         apiKey.User,
-				Account:      usedAccount,
-				Subscription: subscription,
-				UserAgent:    ua,
-				IPAddress:    ip,
+				Result:        result,
+				APIKey:        apiKey,
+				User:          apiKey.User,
+				Account:       usedAccount,
+				Subscription:  subscription,
+				UserAgent:     ua,
+				IPAddress:     ip,
+				APIKeyService: h.apiKeyService,
 			}); err != nil {
 				log.Printf("Record usage failed: %v", err)
 			}

backend/internal/repository/api_key_repo.go

@@ -33,7 +33,10 @@ func (r *apiKeyRepository) Create(ctx context.Context, key *service.APIKey) erro
 		SetKey(key.Key).
 		SetName(key.Name).
 		SetStatus(key.Status).
-		SetNillableGroupID(key.GroupID)
+		SetNillableGroupID(key.GroupID).
+		SetQuota(key.Quota).
+		SetQuotaUsed(key.QuotaUsed).
+		SetNillableExpiresAt(key.ExpiresAt)
 
 	if len(key.IPWhitelist) > 0 {
 		builder.SetIPWhitelist(key.IPWhitelist)
@@ -110,6 +113,9 @@ func (r *apiKeyRepository) GetByKeyForAuth(ctx context.Context, key string) (*se
 			apikey.FieldStatus,
 			apikey.FieldIPWhitelist,
 			apikey.FieldIPBlacklist,
+			apikey.FieldQuota,
+			apikey.FieldQuotaUsed,
+			apikey.FieldExpiresAt,
 		).
 		WithUser(func(q *dbent.UserQuery) {
 			q.Select(
@@ -161,6 +167,8 @@ func (r *apiKeyRepository) Update(ctx context.Context, key *service.APIKey) erro
 		Where(apikey.IDEQ(key.ID), apikey.DeletedAtIsNil()).
 		SetName(key.Name).
 		SetStatus(key.Status).
+		SetQuota(key.Quota).
+		SetQuotaUsed(key.QuotaUsed).
 		SetUpdatedAt(now)
 	if key.GroupID != nil {
 		builder.SetGroupID(*key.GroupID)
@@ -168,6 +176,13 @@ func (r *apiKeyRepository) Update(ctx context.Context, key *service.APIKey) erro
 		builder.ClearGroupID()
 	}
 
+	// Expiration time
+	if key.ExpiresAt != nil {
+		builder.SetExpiresAt(*key.ExpiresAt)
+	} else {
+		builder.ClearExpiresAt()
+	}
+
 	// IP 限制字段
 	if len(key.IPWhitelist) > 0 {
 		builder.SetIPWhitelist(key.IPWhitelist)
@@ -357,6 +372,38 @@ func (r *apiKeyRepository) ListKeysByGroupID(ctx context.Context, groupID int64)
 	return keys, nil
 }
 
+// IncrementQuotaUsed atomically increments the quota_used field and returns the new value
+func (r *apiKeyRepository) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	// Use raw SQL for atomic increment to avoid race conditions
+	// First get current value
+	m, err := r.activeQuery().
+		Where(apikey.IDEQ(id)).
+		Select(apikey.FieldQuotaUsed).
+		Only(ctx)
+	if err != nil {
+		if dbent.IsNotFound(err) {
+			return 0, service.ErrAPIKeyNotFound
+		}
+		return 0, err
+	}
+
+	newValue := m.QuotaUsed + amount
+
+	// Update with new value
+	affected, err := r.client.APIKey.Update().
+		Where(apikey.IDEQ(id), apikey.DeletedAtIsNil()).
+		SetQuotaUsed(newValue).
+		Save(ctx)
+	if err != nil {
+		return 0, err
+	}
+	if affected == 0 {
+		return 0, service.ErrAPIKeyNotFound
+	}
+
+	return newValue, nil
+}
+
 func apiKeyEntityToService(m *dbent.APIKey) *service.APIKey {
 	if m == nil {
 		return nil
@@ -372,6 +419,9 @@ func apiKeyEntityToService(m *dbent.APIKey) *service.APIKey {
 		CreatedAt:   m.CreatedAt,
 		UpdatedAt:   m.UpdatedAt,
 		GroupID:     m.GroupID,
+		Quota:       m.Quota,
+		QuotaUsed:   m.QuotaUsed,
+		ExpiresAt:   m.ExpiresAt,
 	}
 	if m.Edges.User != nil {
 		out.User = userEntityToService(m.Edges.User)

backend/internal/server/api_contract_test.go

@@ -83,6 +83,9 @@ func TestAPIContracts(t *testing.T) {
 					"status": "active",
 					"ip_whitelist": null,
 					"ip_blacklist": null,
+					"quota": 0,
+					"quota_used": 0,
+					"expires_at": null,
 					"created_at": "2025-01-02T03:04:05Z",
 					"updated_at": "2025-01-02T03:04:05Z"
 				}
@@ -119,6 +122,9 @@ func TestAPIContracts(t *testing.T) {
 							"status": "active",
 							"ip_whitelist": null,
 							"ip_blacklist": null,
+							"quota": 0,
+							"quota_used": 0,
+							"expires_at": null,
 							"created_at": "2025-01-02T03:04:05Z",
 							"updated_at": "2025-01-02T03:04:05Z"
 						}
@@ -1442,6 +1448,10 @@ func (r *stubApiKeyRepo) ListKeysByGroupID(ctx context.Context, groupID int64) (
 	return nil, errors.New("not implemented")
 }
 
+func (r *stubApiKeyRepo) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	return 0, errors.New("not implemented")
+}
+
 type stubUsageLogRepo struct {
 	userLogs map[int64][]service.UsageLog
 }

backend/internal/server/middleware/api_key_auth.go

@@ -70,7 +70,27 @@ func apiKeyAuthWithSubscription(apiKeyService *service.APIKeyService, subscripti
 
 		// 检查API key是否激活
 		if !apiKey.IsActive() {
-			AbortWithError(c, 401, "API_KEY_DISABLED", "API key is disabled")
+			// Provide more specific error message based on status
+			switch apiKey.Status {
+			case service.StatusAPIKeyQuotaExhausted:
+				AbortWithError(c, 429, "API_KEY_QUOTA_EXHAUSTED", "API key 额度已用完")
+			case service.StatusAPIKeyExpired:
+				AbortWithError(c, 403, "API_KEY_EXPIRED", "API key 已过期")
+			default:
+				AbortWithError(c, 401, "API_KEY_DISABLED", "API key is disabled")
+			}
+			return
+		}
+
+		// 检查API Key是否过期（即使状态是active，也要检查时间）
+		if apiKey.IsExpired() {
+			AbortWithError(c, 403, "API_KEY_EXPIRED", "API key 已过期")
+			return
+		}
+
+		// 检查API Key配额是否耗尽
+		if apiKey.IsQuotaExhausted() {
+			AbortWithError(c, 429, "API_KEY_QUOTA_EXHAUSTED", "API key 额度已用完")
 			return
 		}
 

backend/internal/server/middleware/api_key_auth_google_test.go

@@ -75,6 +75,9 @@ func (f fakeAPIKeyRepo) ListKeysByUserID(ctx context.Context, userID int64) ([]s
 func (f fakeAPIKeyRepo) ListKeysByGroupID(ctx context.Context, groupID int64) ([]string, error) {
 	return nil, errors.New("not implemented")
 }
+func (f fakeAPIKeyRepo) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	return 0, errors.New("not implemented")
+}
 
 type googleErrorResponse struct {
 	Error struct {

backend/internal/server/middleware/api_key_auth_test.go

@@ -319,6 +319,10 @@ func (r *stubApiKeyRepo) ListKeysByGroupID(ctx context.Context, groupID int64) (
 	return nil, errors.New("not implemented")
 }
 
+func (r *stubApiKeyRepo) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	return 0, errors.New("not implemented")
+}
+
 type stubUserSubscriptionRepo struct {
 	getActive      func(ctx context.Context, userID, groupID int64) (*service.UserSubscription, error)
 	updateStatus   func(ctx context.Context, subscriptionID int64, status string) error

backend/internal/service/api_key.go

@@ -2,6 +2,14 @@ package service
 
 import "time"
 
+// API Key status constants
+const (
+	StatusAPIKeyActive         = "active"
+	StatusAPIKeyDisabled       = "disabled"
+	StatusAPIKeyQuotaExhausted = "quota_exhausted"
+	StatusAPIKeyExpired        = "expired"
+)
+
 type APIKey struct {
 	ID          int64
 	UserID      int64
@@ -15,8 +23,53 @@ type APIKey struct {
 	UpdatedAt   time.Time
 	User        *User
 	Group       *Group
+
+	// Quota fields
+	Quota     float64    // Quota limit in USD (0 = unlimited)
+	QuotaUsed float64    // Used quota amount
+	ExpiresAt *time.Time // Expiration time (nil = never expires)
 }
 
 func (k *APIKey) IsActive() bool {
 	return k.Status == StatusActive
 }
+
+// IsExpired checks if the API key has expired
+func (k *APIKey) IsExpired() bool {
+	if k.ExpiresAt == nil {
+		return false
+	}
+	return time.Now().After(*k.ExpiresAt)
+}
+
+// IsQuotaExhausted checks if the API key quota is exhausted
+func (k *APIKey) IsQuotaExhausted() bool {
+	if k.Quota <= 0 {
+		return false // unlimited
+	}
+	return k.QuotaUsed >= k.Quota
+}
+
+// GetQuotaRemaining returns remaining quota (-1 for unlimited)
+func (k *APIKey) GetQuotaRemaining() float64 {
+	if k.Quota <= 0 {
+		return -1 // unlimited
+	}
+	remaining := k.Quota - k.QuotaUsed
+	if remaining < 0 {
+		return 0
+	}
+	return remaining
+}
+
+// GetDaysUntilExpiry returns days until expiry (-1 for never expires)
+func (k *APIKey) GetDaysUntilExpiry() int {
+	if k.ExpiresAt == nil {
+		return -1 // never expires
+	}
+	duration := time.Until(*k.ExpiresAt)
+	if duration < 0 {
+		return 0
+	}
+	return int(duration.Hours() / 24)
+}

backend/internal/service/api_key_auth_cache.go

@@ -1,5 +1,7 @@
 package service
 
+import "time"
+
 // APIKeyAuthSnapshot API Key 认证缓存快照（仅包含认证所需字段）
 type APIKeyAuthSnapshot struct {
 	APIKeyID    int64                    `json:"api_key_id"`
@@ -10,6 +12,13 @@ type APIKeyAuthSnapshot struct {
 	IPBlacklist []string                 `json:"ip_blacklist,omitempty"`
 	User        APIKeyAuthUserSnapshot   `json:"user"`
 	Group       *APIKeyAuthGroupSnapshot `json:"group,omitempty"`
+
+	// Quota fields for API Key independent quota feature
+	Quota     float64 `json:"quota"`      // Quota limit in USD (0 = unlimited)
+	QuotaUsed float64 `json:"quota_used"` // Used quota amount
+
+	// Expiration field for API Key expiration feature
+	ExpiresAt *time.Time `json:"expires_at,omitempty"` // Expiration time (nil = never expires)
 }
 
 // APIKeyAuthUserSnapshot 用户快照

backend/internal/service/api_key_auth_cache_impl.go

@@ -213,6 +213,9 @@ func (s *APIKeyService) snapshotFromAPIKey(apiKey *APIKey) *APIKeyAuthSnapshot {
 		Status:      apiKey.Status,
 		IPWhitelist: apiKey.IPWhitelist,
 		IPBlacklist: apiKey.IPBlacklist,
+		Quota:       apiKey.Quota,
+		QuotaUsed:   apiKey.QuotaUsed,
+		ExpiresAt:   apiKey.ExpiresAt,
 		User: APIKeyAuthUserSnapshot{
 			ID:          apiKey.User.ID,
 			Status:      apiKey.User.Status,
@@ -256,6 +259,9 @@ func (s *APIKeyService) snapshotToAPIKey(key string, snapshot *APIKeyAuthSnapsho
 		Status:      snapshot.Status,
 		IPWhitelist: snapshot.IPWhitelist,
 		IPBlacklist: snapshot.IPBlacklist,
+		Quota:       snapshot.Quota,
+		QuotaUsed:   snapshot.QuotaUsed,
+		ExpiresAt:   snapshot.ExpiresAt,
 		User: &User{
 			ID:          snapshot.User.ID,
 			Status:      snapshot.User.Status,

backend/internal/service/api_key_service.go

@@ -24,6 +24,10 @@ var (
 	ErrAPIKeyInvalidChars = infraerrors.BadRequest("API_KEY_INVALID_CHARS", "api key can only contain letters, numbers, underscores, and hyphens")
 	ErrAPIKeyRateLimited  = infraerrors.TooManyRequests("API_KEY_RATE_LIMITED", "too many failed attempts, please try again later")
 	ErrInvalidIPPattern   = infraerrors.BadRequest("INVALID_IP_PATTERN", "invalid IP or CIDR pattern")
+	// ErrAPIKeyExpired        = infraerrors.Forbidden("API_KEY_EXPIRED", "api key has expired")
+	ErrAPIKeyExpired = infraerrors.Forbidden("API_KEY_EXPIRED", "api key 已过期")
+	// ErrAPIKeyQuotaExhausted = infraerrors.TooManyRequests("API_KEY_QUOTA_EXHAUSTED", "api key quota exhausted")
+	ErrAPIKeyQuotaExhausted = infraerrors.TooManyRequests("API_KEY_QUOTA_EXHAUSTED", "api key 额度已用完")
 )
 
 const (
@@ -51,6 +55,9 @@ type APIKeyRepository interface {
 	CountByGroupID(ctx context.Context, groupID int64) (int64, error)
 	ListKeysByUserID(ctx context.Context, userID int64) ([]string, error)
 	ListKeysByGroupID(ctx context.Context, groupID int64) ([]string, error)
+
+	// Quota methods
+	IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error)
 }
 
 // APIKeyCache defines cache operations for API key service
@@ -85,6 +92,10 @@ type CreateAPIKeyRequest struct {
 	CustomKey   *string  `json:"custom_key"`   // 可选的自定义key
 	IPWhitelist []string `json:"ip_whitelist"` // IP 白名单
 	IPBlacklist []string `json:"ip_blacklist"` // IP 黑名单
+
+	// Quota fields
+	Quota         float64 `json:"quota"`           // Quota limit in USD (0 = unlimited)
+	ExpiresInDays *int    `json:"expires_in_days"` // Days until expiry (nil = never expires)
 }
 
 // UpdateAPIKeyRequest 更新API Key请求
@@ -94,6 +105,12 @@ type UpdateAPIKeyRequest struct {
 	Status      *string  `json:"status"`
 	IPWhitelist []string `json:"ip_whitelist"` // IP 白名单（空数组清空）
 	IPBlacklist []string `json:"ip_blacklist"` // IP 黑名单（空数组清空）
+
+	// Quota fields
+	Quota           *float64   `json:"quota"`       // Quota limit in USD (nil = no change, 0 = unlimited)
+	ExpiresAt       *time.Time `json:"expires_at"`  // Expiration time (nil = no change)
+	ClearExpiration bool       `json:"-"`           // Clear expiration (internal use)
+	ResetQuota      *bool      `json:"reset_quota"` // Reset quota_used to 0
 }
 
 // APIKeyService API Key服务
@@ -289,6 +306,14 @@ func (s *APIKeyService) Create(ctx context.Context, userID int64, req CreateAPIK
 		Status:      StatusActive,
 		IPWhitelist: req.IPWhitelist,
 		IPBlacklist: req.IPBlacklist,
+		Quota:       req.Quota,
+		QuotaUsed:   0,
+	}
+
+	// Set expiration time if specified
+	if req.ExpiresInDays != nil && *req.ExpiresInDays > 0 {
+		expiresAt := time.Now().AddDate(0, 0, *req.ExpiresInDays)
+		apiKey.ExpiresAt = &expiresAt
 	}
 
 	if err := s.apiKeyRepo.Create(ctx, apiKey); err != nil {
@@ -436,6 +461,35 @@ func (s *APIKeyService) Update(ctx context.Context, id int64, userID int64, req
 		}
 	}
 
+	// Update quota fields
+	if req.Quota != nil {
+		apiKey.Quota = *req.Quota
+		// If quota is increased and status was quota_exhausted, reactivate
+		if apiKey.Status == StatusAPIKeyQuotaExhausted && *req.Quota > apiKey.QuotaUsed {
+			apiKey.Status = StatusActive
+		}
+	}
+	if req.ResetQuota != nil && *req.ResetQuota {
+		apiKey.QuotaUsed = 0
+		// If resetting quota and status was quota_exhausted, reactivate
+		if apiKey.Status == StatusAPIKeyQuotaExhausted {
+			apiKey.Status = StatusActive
+		}
+	}
+	if req.ClearExpiration {
+		apiKey.ExpiresAt = nil
+		// If clearing expiry and status was expired, reactivate
+		if apiKey.Status == StatusAPIKeyExpired {
+			apiKey.Status = StatusActive
+		}
+	} else if req.ExpiresAt != nil {
+		apiKey.ExpiresAt = req.ExpiresAt
+		// If extending expiry and status was expired, reactivate
+		if apiKey.Status == StatusAPIKeyExpired && time.Now().Before(*req.ExpiresAt) {
+			apiKey.Status = StatusActive
+		}
+	}
+
 	// 更新 IP 限制（空数组会清空设置）
 	apiKey.IPWhitelist = req.IPWhitelist
 	apiKey.IPBlacklist = req.IPBlacklist
@@ -572,3 +626,51 @@ func (s *APIKeyService) SearchAPIKeys(ctx context.Context, userID int64, keyword
 	}
 	return keys, nil
 }
+
+// CheckAPIKeyQuotaAndExpiry checks if the API key is valid for use (not expired, quota not exhausted)
+// Returns nil if valid, error if invalid
+func (s *APIKeyService) CheckAPIKeyQuotaAndExpiry(apiKey *APIKey) error {
+	// Check expiration
+	if apiKey.IsExpired() {
+		return ErrAPIKeyExpired
+	}
+
+	// Check quota
+	if apiKey.IsQuotaExhausted() {
+		return ErrAPIKeyQuotaExhausted
+	}
+
+	return nil
+}
+
+// UpdateQuotaUsed updates the quota_used field after a request
+// Also checks if quota is exhausted and updates status accordingly
+func (s *APIKeyService) UpdateQuotaUsed(ctx context.Context, apiKeyID int64, cost float64) error {
+	if cost <= 0 {
+		return nil
+	}
+
+	// Use repository to atomically increment quota_used
+	newQuotaUsed, err := s.apiKeyRepo.IncrementQuotaUsed(ctx, apiKeyID, cost)
+	if err != nil {
+		return fmt.Errorf("increment quota used: %w", err)
+	}
+
+	// Check if quota is now exhausted and update status if needed
+	apiKey, err := s.apiKeyRepo.GetByID(ctx, apiKeyID)
+	if err != nil {
+		return nil // Don't fail the request, just log
+	}
+
+	// If quota is set and now exhausted, update status
+	if apiKey.Quota > 0 && newQuotaUsed >= apiKey.Quota {
+		apiKey.Status = StatusAPIKeyQuotaExhausted
+		if err := s.apiKeyRepo.Update(ctx, apiKey); err != nil {
+			return nil // Don't fail the request
+		}
+		// Invalidate cache so next request sees the new status
+		s.InvalidateAuthCacheByKey(ctx, apiKey.Key)
+	}
+
+	return nil
+}

backend/internal/service/api_key_service_cache_test.go

@@ -99,6 +99,10 @@ func (s *authRepoStub) ListKeysByGroupID(ctx context.Context, groupID int64) ([]
 	return s.listKeysByGroupID(ctx, groupID)
 }
 
+func (s *authRepoStub) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	panic("unexpected IncrementQuotaUsed call")
+}
+
 type authCacheStub struct {
 	getAuthCache   func(ctx context.Context, key string) (*APIKeyAuthCacheEntry, error)
 	setAuthKeys    []string

backend/internal/service/api_key_service_delete_test.go

@@ -118,6 +118,10 @@ func (s *apiKeyRepoStub) ListKeysByGroupID(ctx context.Context, groupID int64) (
 	panic("unexpected ListKeysByGroupID call")
 }
 
+func (s *apiKeyRepoStub) IncrementQuotaUsed(ctx context.Context, id int64, amount float64) (float64, error) {
+	panic("unexpected IncrementQuotaUsed call")
+}
+
 // apiKeyCacheStub 是 APIKeyCache 接口的测试桩实现。
 // 用于验证删除操作时缓存清理逻辑是否被正确调用。
 //

backend/internal/service/gateway_service.go

@@ -4489,13 +4489,19 @@ func (s *GatewayService) replaceToolNamesInResponseBody(body []byte, toolNameMap
 
 // RecordUsageInput 记录使用量的输入参数
 type RecordUsageInput struct {
-	Result       *ForwardResult
-	APIKey       *APIKey
-	User         *User
-	Account      *Account
-	Subscription *UserSubscription // 可选：订阅信息
-	UserAgent    string            // 请求的 User-Agent
-	IPAddress    string            // 请求的客户端 IP 地址
+	Result        *ForwardResult
+	APIKey        *APIKey
+	User          *User
+	Account       *Account
+	Subscription  *UserSubscription  // 可选：订阅信息
+	UserAgent     string             // 请求的 User-Agent
+	IPAddress     string             // 请求的客户端 IP 地址
+	APIKeyService APIKeyQuotaUpdater // 可选：用于更新API Key配额
+}
+
+// APIKeyQuotaUpdater defines the interface for updating API Key quota
+type APIKeyQuotaUpdater interface {
+	UpdateQuotaUsed(ctx context.Context, apiKeyID int64, cost float64) error
 }
 
 // RecordUsage 记录使用量并扣费（或更新订阅用量）
@@ -4635,6 +4641,13 @@ func (s *GatewayService) RecordUsage(ctx context.Context, input *RecordUsageInpu
 		}
 	}
 
+	// 更新 API Key 配额（如果设置了配额限制）
+	if shouldBill && cost.ActualCost > 0 && apiKey.Quota > 0 && input.APIKeyService != nil {
+		if err := input.APIKeyService.UpdateQuotaUsed(ctx, apiKey.ID, cost.ActualCost); err != nil {
+			log.Printf("Update API key quota failed: %v", err)
+		}
+	}
+
 	// Schedule batch update for account last_used_at
 	s.deferredService.ScheduleLastUsedUpdate(account.ID)
 
@@ -4652,6 +4665,7 @@ type RecordUsageLongContextInput struct {
 	IPAddress             string            // 请求的客户端 IP 地址
 	LongContextThreshold  int               // 长上下文阈值（如 200000）
 	LongContextMultiplier float64           // 超出阈值部分的倍率（如 2.0）
+	APIKeyService         *APIKeyService    // API Key 配额服务（可选）
 }
 
 // RecordUsageWithLongContext 记录使用量并扣费，支持长上下文双倍计费（用于 Gemini）
@@ -4788,6 +4802,12 @@ func (s *GatewayService) RecordUsageWithLongContext(ctx context.Context, input *
 			}
 			// 异步更新余额缓存
 			s.billingCacheService.QueueDeductBalance(user.ID, cost.ActualCost)
+			// API Key 独立配额扣费
+			if input.APIKeyService != nil && apiKey.Quota > 0 {
+				if err := input.APIKeyService.UpdateQuotaUsed(ctx, apiKey.ID, cost.ActualCost); err != nil {
+					log.Printf("Add API key quota used failed: %v", err)
+				}
+			}
 		}
 	}
 

backend/internal/service/openai_gateway_service.go

@@ -1681,13 +1681,14 @@ func (s *OpenAIGatewayService) replaceModelInResponseBody(body []byte, fromModel
 
 // OpenAIRecordUsageInput input for recording usage
 type OpenAIRecordUsageInput struct {
-	Result       *OpenAIForwardResult
-	APIKey       *APIKey
-	User         *User
-	Account      *Account
-	Subscription *UserSubscription
-	UserAgent    string // 请求的 User-Agent
-	IPAddress    string // 请求的客户端 IP 地址
+	Result        *OpenAIForwardResult
+	APIKey        *APIKey
+	User          *User
+	Account       *Account
+	Subscription  *UserSubscription
+	UserAgent     string // 请求的 User-Agent
+	IPAddress     string // 请求的客户端 IP 地址
+	APIKeyService APIKeyQuotaUpdater
 }
 
 // RecordUsage records usage and deducts balance
@@ -1799,6 +1800,13 @@ func (s *OpenAIGatewayService) RecordUsage(ctx context.Context, input *OpenAIRec
 		}
 	}
 
+	// Update API key quota if applicable (only for balance mode with quota set)
+	if shouldBill && cost.ActualCost > 0 && apiKey.Quota > 0 && input.APIKeyService != nil {
+		if err := input.APIKeyService.UpdateQuotaUsed(ctx, apiKey.ID, cost.ActualCost); err != nil {
+			log.Printf("Update API key quota failed: %v", err)
+		}
+	}
+
 	// Schedule batch update for account last_used_at
 	s.deferredService.ScheduleLastUsedUpdate(account.ID)
 

backend/migrations/045_add_api_key_quota.sql

@@ -0,0 +1,20 @@
+-- Migration: Add quota fields to api_keys table
+-- This migration adds independent quota and expiration support for API keys
+
+-- Add quota limit field (0 = unlimited)
+ALTER TABLE api_keys ADD COLUMN IF NOT EXISTS quota DECIMAL(20, 8) NOT NULL DEFAULT 0;
+
+-- Add used quota amount field
+ALTER TABLE api_keys ADD COLUMN IF NOT EXISTS quota_used DECIMAL(20, 8) NOT NULL DEFAULT 0;
+
+-- Add expiration time field (NULL = never expires)
+ALTER TABLE api_keys ADD COLUMN IF NOT EXISTS expires_at TIMESTAMPTZ;
+
+-- Add indexes for efficient quota queries
+CREATE INDEX IF NOT EXISTS idx_api_keys_quota_quota_used ON api_keys(quota, quota_used) WHERE deleted_at IS NULL;
+CREATE INDEX IF NOT EXISTS idx_api_keys_expires_at ON api_keys(expires_at) WHERE deleted_at IS NULL;
+
+-- Comment on columns for documentation
+COMMENT ON COLUMN api_keys.quota IS 'Quota limit in USD for this API key (0 = unlimited)';
+COMMENT ON COLUMN api_keys.quota_used IS 'Used quota amount in USD';
+COMMENT ON COLUMN api_keys.expires_at IS 'Expiration time for this API key (null = never expires)';

backend/tools.go

@@ -1,9 +0,0 @@
-//go:build tools
-// +build tools
-
-package tools
-
-import (
-	_ "entgo.io/ent/cmd/ent"
-	_ "github.com/google/wire/cmd/wire"
-)

frontend/src/api/keys.ts

@@ -44,6 +44,8 @@ export async function getById(id: number): Promise<ApiKey> {
  * @param customKey - Optional custom key value
  * @param ipWhitelist - Optional IP whitelist
  * @param ipBlacklist - Optional IP blacklist
+ * @param quota - Optional quota limit in USD (0 = unlimited)
+ * @param expiresInDays - Optional days until expiry (undefined = never expires)
  * @returns Created API key
  */
 export async function create(
@@ -51,7 +53,9 @@ export async function create(
   groupId?: number | null,
   customKey?: string,
   ipWhitelist?: string[],
-  ipBlacklist?: string[]
+  ipBlacklist?: string[],
+  quota?: number,
+  expiresInDays?: number
 ): Promise<ApiKey> {
   const payload: CreateApiKeyRequest = { name }
   if (groupId !== undefined) {
@@ -66,6 +70,12 @@ export async function create(
   if (ipBlacklist && ipBlacklist.length > 0) {
     payload.ip_blacklist = ipBlacklist
   }
+  if (quota !== undefined && quota > 0) {
+    payload.quota = quota
+  }
+  if (expiresInDays !== undefined && expiresInDays > 0) {
+    payload.expires_in_days = expiresInDays
+  }
 
   const { data } = await apiClient.post<ApiKey>('/keys', payload)
   return data

frontend/src/i18n/locales/en.ts

@@ -407,6 +407,7 @@ export default {
     usage: 'Usage',
     today: 'Today',
     total: 'Total',
+    quota: 'Quota',
     useKey: 'Use Key',
     useKeyModal: {
       title: 'Use API Key',
@@ -470,6 +471,33 @@ export default {
       geminiCli: 'Gemini CLI',
       geminiCliDesc: 'Import as Gemini CLI configuration',
     },
+    // Quota and expiration
+    quotaLimit: 'Quota Limit',
+    quotaAmount: 'Quota Amount (USD)',
+    quotaAmountPlaceholder: 'Enter quota limit in USD',
+    quotaAmountHint: 'Set the maximum amount this key can spend. 0 = unlimited.',
+    quotaUsed: 'Quota Used',
+    reset: 'Reset',
+    resetQuotaUsed: 'Reset used quota to 0',
+    resetQuotaTitle: 'Confirm Reset Quota',
+    resetQuotaConfirmMessage: 'Are you sure you want to reset the used quota (${used}) for key "{name}" to 0? This action cannot be undone.',
+    quotaResetSuccess: 'Quota reset successfully',
+    failedToResetQuota: 'Failed to reset quota',
+    expiration: 'Expiration',
+    expiresInDays: '{days} days',
+    extendDays: '+{days} days',
+    customDate: 'Custom',
+    expirationDate: 'Expiration Date',
+    expirationDateHint: 'Select when this API key should expire.',
+    currentExpiration: 'Current expiration',
+    expiresAt: 'Expires',
+    noExpiration: 'Never',
+    status: {
+      active: 'Active',
+      inactive: 'Inactive',
+      quota_exhausted: 'Quota Exhausted',
+      expired: 'Expired',
+    },
   },
 
   // Usage

frontend/src/i18n/locales/zh.ts

@@ -291,7 +291,8 @@ export default {
     sendingResetLink: '发送中...',
     sendResetLinkFailed: '发送重置链接失败，请重试。',
     resetEmailSent: '重置链接已发送',
-    resetEmailSentHint: '如果该邮箱已注册，您将很快收到密码重置链接。请检查您的收件箱和垃圾邮件文件夹。',
+    resetEmailSentHint:
+      '如果该邮箱已注册，您将很快收到密码重置链接。请检查您的收件箱和垃圾邮件文件夹。',
     backToLogin: '返回登录',
     rememberedPassword: '想起密码了？',
     // 重置密码
@@ -404,6 +405,7 @@ export default {
     usage: '用量',
     today: '今日',
     total: '累计',
+    quota: '额度',
     useKey: '使用密钥',
     useKeyModal: {
       title: '使用 API 密钥',
@@ -412,36 +414,41 @@ export default {
       copied: '已复制',
       note: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
       noGroupTitle: '请先分配分组',
-      noGroupDescription: '此 API 密钥尚未分配分组，请先在密钥列表中点击分组列进行分配，然后才能查看使用配置。',
+      noGroupDescription:
+        '此 API 密钥尚未分配分组，请先在密钥列表中点击分组列进行分配，然后才能查看使用配置。',
       openai: {
         description: '将以下配置文件添加到 Codex CLI 配置目录中。',
         configTomlHint: '请确保以下内容位于 config.toml 文件的开头部分',
         note: '请确保配置目录存在。macOS/Linux 用户可运行 mkdir -p ~/.codex 创建目录。',
-        noteWindows: '按 Win+R，输入 %userprofile%\\.codex 打开配置目录。如目录不存在，请先手动创建。',
+        noteWindows:
+          '按 Win+R，输入 %userprofile%\\.codex 打开配置目录。如目录不存在，请先手动创建。'
       },
       cliTabs: {
         claudeCode: 'Claude Code',
         geminiCli: 'Gemini CLI',
         codexCli: 'Codex CLI',
-        opencode: 'OpenCode',
+        opencode: 'OpenCode'
       },
       antigravity: {
         description: '为 Antigravity 分组配置 API 访问。请根据您使用的客户端选择对应的配置方式。',
         claudeCode: 'Claude Code',
         geminiCli: 'Gemini CLI',
-        claudeNote: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
-        geminiNote: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
+        claudeNote:
+          '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
+        geminiNote:
+          '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。'
       },
       gemini: {
-        description: '将以下环境变量添加到您的终端配置文件或直接在终端中运行，以配置 Gemini CLI 访问。',
+        description:
+          '将以下环境变量添加到您的终端配置文件或直接在终端中运行，以配置 Gemini CLI 访问。',
         modelComment: '如果你有 Gemini 3 权限可以填：gemini-3-pro-preview',
-        note: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。',
+        note: '这些环境变量将在当前终端会话中生效。如需永久配置，请将其添加到 ~/.bashrc、~/.zshrc 或相应的配置文件中。'
       },
       opencode: {
         title: 'OpenCode 配置示例',
         subtitle: 'opencode.json',
-        hint: '配置文件路径：~/.config/opencode/opencode.json（或 opencode.jsonc），不存在需手动创建。可使用默认 provider（openai/anthropic/google）或自定义 provider_id。API Key 支持直接配置或通过客户端 /connect 命令配置。示例仅供参考，模型与选项可按需调整。',
-      },
+        hint: '配置文件路径：~/.config/opencode/opencode.json（或 opencode.jsonc），不存在需手动创建。可使用默认 provider（openai/anthropic/google）或自定义 provider_id。API Key 支持直接配置或通过客户端 /connect 命令配置。示例仅供参考，模型与选项可按需调整。'
+      }
     },
     customKeyLabel: '自定义密钥',
     customKeyPlaceholder: '输入自定义密钥（至少16个字符）',
@@ -457,15 +464,43 @@ export default {
     ipBlacklistPlaceholder: '1.2.3.4\n5.6.0.0/16',
     ipBlacklistHint: '每行一个 IP 或 CIDR，这些 IP 将被禁止使用此密钥',
     ipRestrictionEnabled: '已配置 IP 限制',
-    ccSwitchNotInstalled: 'CC-Switch 未安装或协议处理程序未注册。请先安装 CC-Switch 或手动复制 API 密钥。',
+    ccSwitchNotInstalled:
+      'CC-Switch 未安装或协议处理程序未注册。请先安装 CC-Switch 或手动复制 API 密钥。',
     ccsClientSelect: {
       title: '选择客户端',
       description: '请选择您要导入到 CC-Switch 的客户端类型：',
       claudeCode: 'Claude Code',
       claudeCodeDesc: '导入为 Claude Code 配置',
       geminiCli: 'Gemini CLI',
-      geminiCliDesc: '导入为 Gemini CLI 配置',
+      geminiCliDesc: '导入为 Gemini CLI 配置'
     },
+    // 配额和有效期
+    quotaLimit: '额度限制',
+    quotaAmount: '额度金额 (USD)',
+    quotaAmountPlaceholder: '输入 USD 额度限制',
+    quotaAmountHint: '设置此密钥可消费的最大金额。0 = 无限制。',
+    quotaUsed: '已用额度',
+    reset: '重置',
+    resetQuotaUsed: '将已用额度重置为 0',
+    resetQuotaTitle: '确认重置额度',
+    resetQuotaConfirmMessage: '确定要将密钥 "{name}" 的已用额度（${used}）重置为 0 吗？此操作不可撤销。',
+    quotaResetSuccess: '额度重置成功',
+    failedToResetQuota: '重置额度失败',
+    expiration: '密钥有效期',
+    expiresInDays: '{days} 天',
+    extendDays: '+{days} 天',
+    customDate: '自定义',
+    expirationDate: '过期时间',
+    expirationDateHint: '选择此 API 密钥的过期时间。',
+    currentExpiration: '当前过期时间',
+    expiresAt: '过期时间',
+    noExpiration: '永久有效',
+    status: {
+      active: '活跃',
+      inactive: '已停用',
+      quota_exhausted: '额度耗尽',
+      expired: '已过期'
+    }
   },
 
   // Usage
@@ -757,8 +792,8 @@ export default {
       editUser: '编辑用户',
       deleteUser: '删除用户',
       deleteConfirmMessage: "确定要删除用户 '{email}' 吗？此操作无法撤销。",
-      searchPlaceholder: '搜索用户...',
-      searchUsers: '搜索用户...',
+      searchPlaceholder: '搜索用户邮箱或用户名、备注、支持模糊查询...',
+      searchUsers: '搜索用户邮箱或用户名、备注、支持模糊查询',
       roleFilter: '角色筛选',
       allRoles: '全部角色',
       allStatus: '全部状态',
@@ -1028,9 +1063,11 @@ export default {
       exclusiveHint: '专属分组，可以手动指定给特定用户',
       exclusiveTooltip: {
         title: '什么是专属分组？',
-        description: '开启后，用户在创建 API Key 时将无法看到此分组。只有管理员手动将用户分配到此分组后，用户才能使用。',
+        description:
+          '开启后，用户在创建 API Key 时将无法看到此分组。只有管理员手动将用户分配到此分组后，用户才能使用。',
         example: '使用场景：',
-        exampleContent: '公开分组费率 0.8，您可以创建一个费率 0.7 的专属分组，手动分配给 VIP 用户，让他们享受更优惠的价格。'
+        exampleContent:
+          '公开分组费率 0.8，您可以创建一个费率 0.7 的专属分组，手动分配给 VIP 用户，让他们享受更优惠的价格。'
       },
       rateMultiplierHint: '1.0 = 标准费率，0.5 = 半价，2.0 = 双倍',
       platforms: {
@@ -1094,7 +1131,8 @@ export default {
       },
       claudeCode: {
         title: 'Claude Code 客户端限制',
-        tooltip: '启用后，此分组仅允许 Claude Code 官方客户端访问。非 Claude Code 请求将被拒绝或降级到指定分组。',
+        tooltip:
+          '启用后，此分组仅允许 Claude Code 官方客户端访问。非 Claude Code 请求将被拒绝或降级到指定分组。',
         enabled: '仅限 Claude Code',
         disabled: '允许所有客户端',
         fallbackGroup: '降级分组',
@@ -1111,7 +1149,8 @@ export default {
       },
       modelRouting: {
         title: '模型路由配置',
-        tooltip: '配置特定模型请求优先路由到指定账号。支持通配符匹配，如 claude-opus-* 匹配所有 opus 模型。',
+        tooltip:
+          '配置特定模型请求优先路由到指定账号。支持通配符匹配，如 claude-opus-* 匹配所有 opus 模型。',
         enabled: '已启用',
         disabled: '已禁用',
         disabledHint: '启用后，配置的路由规则才会生效',
@@ -1614,8 +1653,7 @@ export default {
         regenerate: '重新生成',
         step2OpenUrl: '在浏览器中打开 URL 并完成授权',
         openUrlDesc: '在新标签页中打开授权 URL，登录您的 Claude 账号并授权。',
-        proxyWarning:
-          '注意：如果您配置了代理，请确保浏览器使用相同的代理访问授权页面。',
+        proxyWarning: '注意：如果您配置了代理，请确保浏览器使用相同的代理访问授权页面。',
         step3EnterCode: '输入授权码',
         authCodeDesc: '授权完成后，页面会显示一个授权码。复制并粘贴到下方：',
         authCode: '授权码',
@@ -1647,45 +1685,50 @@ export default {
           authCodeHint: '您可以直接复制整个链接或仅复制 code 参数值，系统会自动识别'
         },
         // Gemini specific
-	        gemini: {
-	          title: 'Gemini 账户授权',
-	          followSteps: '请按照以下步骤完成 Gemini 账户的授权：',
-	          step1GenerateUrl: '生成授权链接',
-	          generateAuthUrl: '生成授权链接',
-	          projectIdLabel: 'Project ID（可选）',
-	          projectIdPlaceholder: '例如：my-gcp-project 或 cloud-ai-companion-xxxxx',
-	          projectIdHint: '留空则在兑换授权码后自动探测；若自动探测失败，可填写后重新生成授权链接再授权。',
-	          howToGetProjectId: '如何获取',
-	          step2OpenUrl: '在浏览器中打开链接并完成授权',
-	          openUrlDesc: '请在新标签页中打开授权链接，登录您的 Google 账户并授权。',
-	          step3EnterCode: '输入回调链接或 Code',
-	          authCodeDesc: '授权完成后，复制浏览器跳转后的回调链接（推荐）或仅复制 code，粘贴到下方即可。',
-	          authCode: '回调链接或 Code',
-	          authCodePlaceholder: '方式1（推荐）：粘贴回调链接\n方式2：仅粘贴 code 参数的值',
-	          authCodeHint: '系统会自动从链接中解析 code/state。',
+        gemini: {
+          title: 'Gemini 账户授权',
+          followSteps: '请按照以下步骤完成 Gemini 账户的授权：',
+          step1GenerateUrl: '生成授权链接',
+          generateAuthUrl: '生成授权链接',
+          projectIdLabel: 'Project ID（可选）',
+          projectIdPlaceholder: '例如：my-gcp-project 或 cloud-ai-companion-xxxxx',
+          projectIdHint:
+            '留空则在兑换授权码后自动探测；若自动探测失败，可填写后重新生成授权链接再授权。',
+          howToGetProjectId: '如何获取',
+          step2OpenUrl: '在浏览器中打开链接并完成授权',
+          openUrlDesc: '请在新标签页中打开授权链接，登录您的 Google 账户并授权。',
+          step3EnterCode: '输入回调链接或 Code',
+          authCodeDesc:
+            '授权完成后，复制浏览器跳转后的回调链接（推荐）或仅复制 code，粘贴到下方即可。',
+          authCode: '回调链接或 Code',
+          authCodePlaceholder: '方式1（推荐）：粘贴回调链接\n方式2：仅粘贴 code 参数的值',
+          authCodeHint: '系统会自动从链接中解析 code/state。',
           redirectUri: 'Redirect URI',
           redirectUriHint: '需要在 Google OAuth Client 中配置，且必须与此处完全一致。',
           confirmRedirectUri: '我已在 Google OAuth Client 中配置了该 Redirect URI（必须完全一致）',
           invalidRedirectUri: 'Redirect URI 必须是合法的 http(s) URL',
-	          redirectUriNotConfirmed: '请确认 Redirect URI 已在 Google OAuth Client 中正确配置',
-	          missingRedirectUri: '缺少 Redirect URI',
-	          failedToGenerateUrl: '生成 Gemini 授权链接失败',
-	          missingExchangeParams: '缺少 code / session_id / state',
-	          failedToExchangeCode: 'Gemini 授权码兑换失败',
-	          missingProjectId: 'GCP Project ID 获取失败：您的 Google 账号未关联有效的 GCP 项目。请前往 Google Cloud Console 激活 GCP 并绑定信用卡，或在授权时手动填写 Project ID。',
-	          modelPassthrough: 'Gemini 直接转发模型',
-	          modelPassthroughDesc: '所有模型请求将直接转发至 Gemini API，不进行模型限制或映射。',
-	          stateWarningTitle: '提示',
-	          stateWarningDesc: '建议粘贴完整回调链接（包含 code 和 state）。',
-	          oauthTypeLabel: 'OAuth 类型',
+          redirectUriNotConfirmed: '请确认 Redirect URI 已在 Google OAuth Client 中正确配置',
+          missingRedirectUri: '缺少 Redirect URI',
+          failedToGenerateUrl: '生成 Gemini 授权链接失败',
+          missingExchangeParams: '缺少 code / session_id / state',
+          failedToExchangeCode: 'Gemini 授权码兑换失败',
+          missingProjectId:
+            'GCP Project ID 获取失败：您的 Google 账号未关联有效的 GCP 项目。请前往 Google Cloud Console 激活 GCP 并绑定信用卡，或在授权时手动填写 Project ID。',
+          modelPassthrough: 'Gemini 直接转发模型',
+          modelPassthroughDesc: '所有模型请求将直接转发至 Gemini API，不进行模型限制或映射。',
+          stateWarningTitle: '提示',
+          stateWarningDesc: '建议粘贴完整回调链接（包含 code 和 state）。',
+          oauthTypeLabel: 'OAuth 类型',
           needsProjectId: '内置授权（Code Assist）',
           needsProjectIdDesc: '需要 GCP 项目与 Project ID',
           noProjectIdNeeded: '自定义授权（AI Studio）',
           noProjectIdNeededDesc: '需管理员配置 OAuth Client',
-	          aiStudioNotConfiguredShort: '未配置',
-	          aiStudioNotConfiguredTip: 'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback（Consent Screen scopes 需包含 https://www.googleapis.com/auth/generative-language.retriever）',
-	          aiStudioNotConfigured: 'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback'
-	        },
+          aiStudioNotConfiguredShort: '未配置',
+          aiStudioNotConfiguredTip:
+            'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback（Consent Screen scopes 需包含 https://www.googleapis.com/auth/generative-language.retriever）',
+          aiStudioNotConfigured:
+            'AI Studio OAuth 未配置：请先设置 GEMINI_OAUTH_CLIENT_ID / GEMINI_OAUTH_CLIENT_SECRET，并在 Google OAuth Client 添加 Redirect URI：http://localhost:1455/auth/callback'
+        },
         // Antigravity specific
         antigravity: {
           title: 'Antigravity 账户授权',
@@ -1707,7 +1750,7 @@ export default {
           missingExchangeParams: '缺少 code / session_id / state',
           failedToExchangeCode: 'Antigravity 授权码兑换失败'
         }
-	      },
+      },
       // Gemini specific (platform-wide)
       gemini: {
         helpButton: '使用帮助',
@@ -1722,7 +1765,8 @@ export default {
         tier: {
           label: '账号等级',
           hint: '提示：系统会优先尝试自动识别账号等级；若自动识别不可用或失败，则使用你选择的等级作为回退（本地模拟配额）。',
-          aiStudioHint: 'AI Studio 的配额是按模型分别限流（Pro/Flash 独立）。若已绑卡（按量付费），请选 Pay-as-you-go。',
+          aiStudioHint:
+            'AI Studio 的配额是按模型分别限流（Pro/Flash 独立）。若已绑卡（按量付费），请选 Pay-as-you-go。',
           googleOne: {
             free: 'Google One Free',
             pro: 'Google One Pro',
@@ -1866,9 +1910,9 @@ export default {
       outputCopied: '输出已复制',
       startingTestForAccount: '开始测试账号：{name}',
       testAccountTypeLabel: '账号类型：{type}',
-	      selectTestModel: '选择测试模型',
-	      testModel: '测试模型',
-	      testPrompt: '提示词："hi"',
+      selectTestModel: '选择测试模型',
+      testModel: '测试模型',
+      testPrompt: '提示词："hi"',
       // Stats Modal
       viewStats: '查看统计',
       usageStatistics: '使用统计',
@@ -2547,7 +2591,7 @@ export default {
           internal: '内部'
         },
         total: '总计：',
-        searchPlaceholder: '搜索 request_id / client_request_id / message',
+        searchPlaceholder: '搜索 request_id / client_request_id / message'
       },
       // Error Detail Modal
       errorDetail: {
@@ -2978,7 +3022,8 @@ export default {
         ignoreCountTokensErrors: '忽略 count_tokens 错误',
         ignoreCountTokensErrorsHint: '启用后，count_tokens 请求的错误将不会写入错误日志。',
         ignoreContextCanceled: '忽略客户端断连错误',
-        ignoreContextCanceledHint: '启用后，客户端主动断开连接（context canceled）的错误将不会写入错误日志。',
+        ignoreContextCanceledHint:
+          '启用后，客户端主动断开连接（context canceled）的错误将不会写入错误日志。',
         ignoreNoAvailableAccounts: '忽略无可用账号错误',
         ignoreNoAvailableAccountsHint: '启用后，"No available accounts" 错误将不会写入错误日志（不推荐，这通常是配置问题）。',
         ignoreInvalidApiKeyErrors: '忽略无效 API Key 错误',
@@ -3097,7 +3142,8 @@ export default {
         siteKeyHint: '从 Cloudflare Dashboard 获取',
         cloudflareDashboard: 'Cloudflare Dashboard',
         secretKeyHint: '服务端验证密钥（请保密）',
-        secretKeyConfiguredHint: '密钥已配置，留空以保留当前值。'      },
+        secretKeyConfiguredHint: '密钥已配置，留空以保留当前值。'
+      },
       linuxdo: {
         title: 'LinuxDo Connect 登录',
         description: '配置 LinuxDo Connect OAuth，用于 Sub2API 用户登录',
@@ -3151,9 +3197,12 @@ export default {
         logoTypeError: '请选择图片文件',
         logoReadError: '读取图片文件失败',
         homeContent: '首页内容',
-        homeContentPlaceholder: '在此输入首页内容，支持 Markdown & HTML 代码。如果输入的是一个链接，则会使用该链接作为 iframe 的 src 属性。',
-        homeContentHint: '自定义首页内容，支持 Markdown/HTML。如果输入的是链接（以 http:// 或 https:// 开头），则会使用该链接作为 iframe 的 src 属性，这允许你设置任意网页作为首页。设置后首页的状态信息将不再显示。',
-        homeContentIframeWarning: '⚠️ iframe 模式提示：部分网站设置了 X-Frame-Options 或 CSP 安全策略，禁止被嵌入到 iframe 中。如果页面显示空白或报错，请确认目标网站允许被嵌入，或考虑使用 HTML 模式自行构建页面内容。',
+        homeContentPlaceholder:
+          '在此输入首页内容，支持 Markdown & HTML 代码。如果输入的是一个链接，则会使用该链接作为 iframe 的 src 属性。',
+        homeContentHint:
+          '自定义首页内容，支持 Markdown/HTML。如果输入的是链接（以 http:// 或 https:// 开头），则会使用该链接作为 iframe 的 src 属性，这允许你设置任意网页作为首页。设置后首页的状态信息将不再显示。',
+        homeContentIframeWarning:
+          '⚠️ iframe 模式提示：部分网站设置了 X-Frame-Options 或 CSP 安全策略，禁止被嵌入到 iframe 中。如果页面显示空白或报错，请确认目标网站允许被嵌入，或考虑使用 HTML 模式自行构建页面内容。',
         hideCcsImportButton: '隐藏 CCS 导入按钮',
         hideCcsImportButtonHint: '启用后将在 API Keys 页面隐藏"导入 CCS"按钮'
       },
@@ -3390,131 +3439,158 @@ export default {
     admin: {
       welcome: {
         title: '👋 欢迎使用 Sub2API',
-        description: '<div style="line-height: 1.8;"><p style="margin-bottom: 16px;">Sub2API 是一个强大的 AI 服务中转平台，让您轻松管理和分发 AI 服务。</p><p style="margin-bottom: 12px;"><b>🎯 核心功能：</b></p><ul style="margin-left: 20px; margin-bottom: 16px;"><li>📦 <b>分组管理</b> - 创建不同的服务套餐（VIP、免费试用等）</li><li>🔗 <b>账号池</b> - 连接多个上游 AI 服务商账号</li><li>🔑 <b>密钥分发</b> - 为用户生成独立的 API Key</li><li>💰 <b>计费管理</b> - 灵活的费率和配额控制</li></ul><p style="color: #10b981; font-weight: 600;">接下来，我们将用 3 分钟带您完成首次配置 →</p></div>',
+        description:
+          '<div style="line-height: 1.8;"><p style="margin-bottom: 16px;">Sub2API 是一个强大的 AI 服务中转平台，让您轻松管理和分发 AI 服务。</p><p style="margin-bottom: 12px;"><b>🎯 核心功能：</b></p><ul style="margin-left: 20px; margin-bottom: 16px;"><li>📦 <b>分组管理</b> - 创建不同的服务套餐（VIP、免费试用等）</li><li>🔗 <b>账号池</b> - 连接多个上游 AI 服务商账号</li><li>🔑 <b>密钥分发</b> - 为用户生成独立的 API Key</li><li>💰 <b>计费管理</b> - 灵活的费率和配额控制</li></ul><p style="color: #10b981; font-weight: 600;">接下来，我们将用 3 分钟带您完成首次配置 →</p></div>',
         nextBtn: '开始配置 🚀',
         prevBtn: '跳过'
       },
       groupManage: {
         title: '📦 第一步：分组管理',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>什么是分组？</b></p><p style="margin-bottom: 12px;">分组是 Sub2API 的核心概念，它就像一个"服务套餐"：</p><ul style="margin-left: 20px; margin-bottom: 12px; font-size: 13px;"><li>🎯 每个分组可以包含多个上游账号</li><li>💰 每个分组有独立的计费倍率</li><li>👥 可以设置为公开或专属分组</li></ul><p style="margin-top: 12px; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 示例：</b>您可以创建"VIP专线"（高倍率）和"免费试用"（低倍率）两个分组</p><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"分组管理"开始</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>什么是分组？</b></p><p style="margin-bottom: 12px;">分组是 Sub2API 的核心概念，它就像一个"服务套餐"：</p><ul style="margin-left: 20px; margin-bottom: 12px; font-size: 13px;"><li>🎯 每个分组可以包含多个上游账号</li><li>💰 每个分组有独立的计费倍率</li><li>👥 可以设置为公开或专属分组</li></ul><p style="margin-top: 12px; padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 示例：</b>您可以创建"VIP专线"（高倍率）和"免费试用"（低倍率）两个分组</p><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"分组管理"开始</p></div>'
       },
       createGroup: {
         title: '➕ 创建新分组',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">现在让我们创建第一个分组。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📝 提示：</b>建议先创建一个测试分组，熟悉流程后再创建正式分组</p><p style="color: #10b981; font-weight: 600;">👉 点击"创建分组"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">现在让我们创建第一个分组。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📝 提示：</b>建议先创建一个测试分组，熟悉流程后再创建正式分组</p><p style="color: #10b981; font-weight: 600;">👉 点击"创建分组"按钮</p></div>'
       },
       groupName: {
         title: '✏️ 1. 分组名称',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为您的分组起一个易于识别的名称。</p><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>💡 命名建议：</b><ul style="margin: 8px 0 0 16px;"><li>"测试分组" - 用于测试</li><li>"VIP专线" - 高质量服务</li><li>"免费试用" - 体验版</li></ul></div><p style="font-size: 13px; color: #6b7280;">填写完成后点击"下一步"继续</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为您的分组起一个易于识别的名称。</p><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>💡 命名建议：</b><ul style="margin: 8px 0 0 16px;"><li>"测试分组" - 用于测试</li><li>"VIP专线" - 高质量服务</li><li>"免费试用" - 体验版</li></ul></div><p style="font-size: 13px; color: #6b7280;">填写完成后点击"下一步"继续</p></div>',
         nextBtn: '下一步'
       },
       groupPlatform: {
         title: '🤖 2. 选择平台',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择该分组支持的 AI 平台。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 平台说明：</b><ul style="margin: 8px 0 0 16px;"><li><b>Anthropic</b> - Claude 系列模型</li><li><b>OpenAI</b> - GPT 系列模型</li><li><b>Google</b> - Gemini 系列模型</li></ul></div><p style="font-size: 13px; color: #6b7280;">一个分组只能选择一个平台</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择该分组支持的 AI 平台。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 平台说明：</b><ul style="margin: 8px 0 0 16px;"><li><b>Anthropic</b> - Claude 系列模型</li><li><b>OpenAI</b> - GPT 系列模型</li><li><b>Google</b> - Gemini 系列模型</li></ul></div><p style="font-size: 13px; color: #6b7280;">一个分组只能选择一个平台</p></div>',
         nextBtn: '下一步'
       },
       groupMultiplier: {
         title: '💰 3. 费率倍数',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">设置该分组的计费倍率，控制用户的实际扣费。</p><div style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚙️ 计费规则：</b><ul style="margin: 8px 0 0 16px;"><li><b>1.0</b> - 原价计费（成本价）</li><li><b>1.5</b> - 用户消耗 $1，扣除 $1.5</li><li><b>2.0</b> - 用户消耗 $1，扣除 $2</li><li><b>0.8</b> - 补贴模式（亏本运营）</li></ul></div><p style="font-size: 13px; color: #6b7280;">建议测试分组设置为 1.0</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">设置该分组的计费倍率，控制用户的实际扣费。</p><div style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚙️ 计费规则：</b><ul style="margin: 8px 0 0 16px;"><li><b>1.0</b> - 原价计费（成本价）</li><li><b>1.5</b> - 用户消耗 $1，扣除 $1.5</li><li><b>2.0</b> - 用户消耗 $1，扣除 $2</li><li><b>0.8</b> - 补贴模式（亏本运营）</li></ul></div><p style="font-size: 13px; color: #6b7280;">建议测试分组设置为 1.0</p></div>',
         nextBtn: '下一步'
       },
       groupExclusive: {
         title: '🔒 4. 专属分组（可选）',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">控制分组的可见性和访问权限。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔐 权限说明：</b><ul style="margin: 8px 0 0 16px;"><li><b>关闭</b> - 公开分组，所有用户可见</li><li><b>开启</b> - 专属分组，仅指定用户可见</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 使用场景：</b>VIP 用户专属、内部测试、特殊客户等</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">控制分组的可见性和访问权限。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔐 权限说明：</b><ul style="margin: 8px 0 0 16px;"><li><b>关闭</b> - 公开分组，所有用户可见</li><li><b>开启</b> - 专属分组，仅指定用户可见</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 使用场景：</b>VIP 用户专属、内部测试、特殊客户等</p></div>',
         nextBtn: '下一步'
       },
       groupSubmit: {
         title: '✅ 保存分组',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">确认信息无误后，点击创建按钮保存分组。</p><p style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 注意：</b>分组创建后，平台类型不可修改，其他信息可以随时编辑</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>📌 下一步：</b>创建成功后，我们将添加上游账号到这个分组</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">确认信息无误后，点击创建按钮保存分组。</p><p style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 注意：</b>分组创建后，平台类型不可修改，其他信息可以随时编辑</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>📌 下一步：</b>创建成功后，我们将添加上游账号到这个分组</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
       },
       accountManage: {
         title: '🔗 第二步：添加账号',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>太棒了！分组已创建成功 🎉</b></p><p style="margin-bottom: 12px;">现在需要添加上游 AI 服务商的账号，让分组能够实际提供服务。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔑 账号的作用：</b><ul style="margin: 8px 0 0 16px;"><li>连接到上游 AI 服务（Claude、GPT 等）</li><li>一个分组可以包含多个账号（负载均衡）</li><li>支持 OAuth 和 Session Key 两种方式</li></ul></div><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"账号管理"</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>太棒了！分组已创建成功 🎉</b></p><p style="margin-bottom: 12px;">现在需要添加上游 AI 服务商的账号，让分组能够实际提供服务。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔑 账号的作用：</b><ul style="margin: 8px 0 0 16px;"><li>连接到上游 AI 服务（Claude、GPT 等）</li><li>一个分组可以包含多个账号（负载均衡）</li><li>支持 OAuth 和 Session Key 两种方式</li></ul></div><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"账号管理"</p></div>'
       },
       createAccount: {
         title: '➕ 添加新账号',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮开始添加您的第一个上游账号。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>建议使用 OAuth 方式，更安全且无需手动提取密钥</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"添加账号"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮开始添加您的第一个上游账号。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>建议使用 OAuth 方式，更安全且无需手动提取密钥</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"添加账号"按钮</p></div>'
       },
       accountName: {
         title: '✏️ 1. 账号名称',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为账号设置一个便于识别的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 命名建议：</b>"Claude主账号"、"GPT备用1"、"测试账号" 等</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为账号设置一个便于识别的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 命名建议：</b>"Claude主账号"、"GPT备用1"、"测试账号" 等</p></div>',
         nextBtn: '下一步'
       },
       accountPlatform: {
         title: '🤖 2. 选择平台',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择该账号对应的服务商平台。</p><p style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px;"><b>⚠️ 重要：</b>平台必须与刚才创建的分组平台一致</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择该账号对应的服务商平台。</p><p style="padding: 8px 12px; background: #fef3c7; border-left: 3px solid #f59e0b; border-radius: 4px; font-size: 13px;"><b>⚠️ 重要：</b>平台必须与刚才创建的分组平台一致</p></div>',
         nextBtn: '下一步'
       },
       accountType: {
         title: '🔐 3. 授权方式',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择账号的授权方式。</p><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>✅ 推荐：OAuth 方式</b><ul style="margin: 8px 0 0 16px;"><li>无需手动提取密钥</li><li>更安全，支持自动刷新</li><li>适用于 Claude Code、ChatGPT OAuth</li></ul></div><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 Session Key 方式</b><ul style="margin: 8px 0 0 16px;"><li>需要手动从浏览器提取</li><li>可能需要定期更新</li><li>适用于不支持 OAuth 的平台</li></ul></div></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择账号的授权方式。</p><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>✅ 推荐：OAuth 方式</b><ul style="margin: 8px 0 0 16px;"><li>无需手动提取密钥</li><li>更安全，支持自动刷新</li><li>适用于 Claude Code、ChatGPT OAuth</li></ul></div><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 Session Key 方式</b><ul style="margin: 8px 0 0 16px;"><li>需要手动从浏览器提取</li><li>可能需要定期更新</li><li>适用于不支持 OAuth 的平台</li></ul></div></div>',
         nextBtn: '下一步'
       },
       accountPriority: {
         title: '⚖️ 4. 优先级（可选）',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">设置账号的调用优先级。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📊 优先级规则：</b><ul style="margin: 8px 0 0 16px;"><li>数字越小，优先级越高</li><li>系统优先使用低数值账号</li><li>相同优先级则随机选择</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 使用场景：</b>主账号设置低数值，备用账号设置高数值</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">设置账号的调用优先级。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📊 优先级规则：</b><ul style="margin: 8px 0 0 16px;"><li>数字越小，优先级越高</li><li>系统优先使用低数值账号</li><li>相同优先级则随机选择</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 使用场景：</b>主账号设置低数值，备用账号设置高数值</p></div>',
         nextBtn: '下一步'
       },
       accountGroups: {
         title: '🎯 5. 分配分组',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>关键步骤！</b>将账号分配到刚才创建的分组。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要提醒：</b><ul style="margin: 8px 0 0 16px;"><li>必须勾选至少一个分组</li><li>未分配分组的账号无法使用</li><li>一个账号可以分配给多个分组</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>请勾选刚才创建的测试分组</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>关键步骤！</b>将账号分配到刚才创建的分组。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要提醒：</b><ul style="margin: 8px 0 0 16px;"><li>必须勾选至少一个分组</li><li>未分配分组的账号无法使用</li><li>一个账号可以分配给多个分组</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>请勾选刚才创建的测试分组</p></div>',
         nextBtn: '下一步'
       },
       accountSubmit: {
         title: '✅ 保存账号',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">确认信息无误后，点击保存按钮。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 OAuth 授权流程：</b><ul style="margin: 8px 0 0 16px;"><li>点击保存后会跳转到服务商页面</li><li>在服务商页面完成登录授权</li><li>授权成功后自动返回</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>📌 下一步：</b>账号添加成功后，我们将创建 API 密钥</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"保存"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">确认信息无误后，点击保存按钮。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 OAuth 授权流程：</b><ul style="margin: 8px 0 0 16px;"><li>点击保存后会跳转到服务商页面</li><li>在服务商页面完成登录授权</li><li>授权成功后自动返回</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>📌 下一步：</b>账号添加成功后，我们将创建 API 密钥</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"保存"按钮</p></div>'
       },
       keyManage: {
         title: '🔑 第三步：生成密钥',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>恭喜！账号配置完成 🎉</b></p><p style="margin-bottom: 12px;">最后一步，生成 API Key 来测试服务是否正常工作。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔑 API Key 的作用：</b><ul style="margin: 8px 0 0 16px;"><li>用于调用 AI 服务的凭证</li><li>每个 Key 绑定一个分组</li><li>可以设置配额和有效期</li><li>支持独立的使用统计</li></ul></div><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"API 密钥"</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;"><b>恭喜！账号配置完成 🎉</b></p><p style="margin-bottom: 12px;">最后一步，生成 API Key 来测试服务是否正常工作。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🔑 API Key 的作用：</b><ul style="margin: 8px 0 0 16px;"><li>用于调用 AI 服务的凭证</li><li>每个 Key 绑定一个分组</li><li>可以设置配额和有效期</li><li>支持独立的使用统计</li></ul></div><p style="margin-top: 16px; color: #10b981; font-weight: 600;">👉 点击左侧的"API 密钥"</p></div>'
       },
       createKey: {
         title: '➕ 创建密钥',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮创建您的第一个 API Key。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>创建后请立即复制保存，密钥只显示一次</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建密钥"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮创建您的第一个 API Key。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>创建后请立即复制保存，密钥只显示一次</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建密钥"按钮</p></div>'
       },
       keyName: {
         title: '✏️ 1. 密钥名称',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为密钥设置一个便于管理的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 命名建议：</b>"测试密钥"、"生产环境"、"移动端" 等</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为密钥设置一个便于管理的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 命名建议：</b>"测试密钥"、"生产环境"、"移动端" 等</p></div>',
         nextBtn: '下一步'
       },
       keyGroup: {
         title: '🎯 2. 选择分组',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择刚才配置好的分组。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 分组决定：</b><ul style="margin: 8px 0 0 16px;"><li>该密钥可以使用哪些账号</li><li>计费倍率是多少</li><li>是否为专属密钥</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>选择刚才创建的测试分组</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择刚才配置好的分组。</p><div style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>📌 分组决定：</b><ul style="margin: 8px 0 0 16px;"><li>该密钥可以使用哪些账号</li><li>计费倍率是多少</li><li>是否为专属密钥</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>选择刚才创建的测试分组</p></div>',
         nextBtn: '下一步'
       },
       keySubmit: {
         title: '🎉 生成并复制',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击创建后，系统会生成完整的 API Key。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要提醒：</b><ul style="margin: 8px 0 0 16px;"><li>密钥只显示一次，请立即复制</li><li>丢失后需要重新生成</li><li>妥善保管，不要泄露给他人</li></ul></div><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🚀 下一步：</b><ul style="margin: 8px 0 0 16px;"><li>复制生成的 sk-xxx 密钥</li><li>在支持 OpenAI 接口的客户端中使用</li><li>开始体验 AI 服务！</li></ul></div><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击创建后，系统会生成完整的 API Key。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要提醒：</b><ul style="margin: 8px 0 0 16px;"><li>密钥只显示一次，请立即复制</li><li>丢失后需要重新生成</li><li>妥善保管，不要泄露给他人</li></ul></div><div style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>🚀 下一步：</b><ul style="margin: 8px 0 0 16px;"><li>复制生成的 sk-xxx 密钥</li><li>在支持 OpenAI 接口的客户端中使用</li><li>开始体验 AI 服务！</li></ul></div><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
       }
     },
     // User tour steps
     user: {
       welcome: {
         title: '👋 欢迎使用 Sub2API',
-        description: '<div style="line-height: 1.8;"><p style="margin-bottom: 16px;">您好！欢迎来到 Sub2API AI 服务平台。</p><p style="margin-bottom: 12px;"><b>🎯 快速开始：</b></p><ul style="margin-left: 20px; margin-bottom: 16px;"><li>🔑 创建 API 密钥</li><li>📋 复制密钥到您的应用</li><li>🚀 开始使用 AI 服务</li></ul><p style="color: #10b981; font-weight: 600;">只需 1 分钟，让我们开始吧 →</p></div>',
+        description:
+          '<div style="line-height: 1.8;"><p style="margin-bottom: 16px;">您好！欢迎来到 Sub2API AI 服务平台。</p><p style="margin-bottom: 12px;"><b>🎯 快速开始：</b></p><ul style="margin-left: 20px; margin-bottom: 16px;"><li>🔑 创建 API 密钥</li><li>📋 复制密钥到您的应用</li><li>🚀 开始使用 AI 服务</li></ul><p style="color: #10b981; font-weight: 600;">只需 1 分钟，让我们开始吧 →</p></div>',
         nextBtn: '开始 🚀',
         prevBtn: '跳过'
       },
       keyManage: {
         title: '🔑 API 密钥管理',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">在这里管理您的所有 API 访问密钥。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 什么是 API 密钥？</b><br/>API 密钥是您访问 AI 服务的凭证，就像一把钥匙，让您的应用能够调用 AI 能力。</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击进入密钥页面</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">在这里管理您的所有 API 访问密钥。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 什么是 API 密钥？</b><br/>API 密钥是您访问 AI 服务的凭证，就像一把钥匙，让您的应用能够调用 AI 能力。</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击进入密钥页面</p></div>'
       },
       createKey: {
         title: '➕ 创建新密钥',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮创建您的第一个 API 密钥。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>创建后密钥只显示一次，请务必复制保存</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建密钥"</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击按钮创建您的第一个 API 密钥。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 提示：</b>创建后密钥只显示一次，请务必复制保存</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建密钥"</p></div>'
       },
       keyName: {
         title: '✏️ 密钥名称',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为密钥起一个便于识别的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 示例：</b>"我的第一个密钥"、"测试用" 等</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">为密钥起一个便于识别的名称。</p><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>💡 示例：</b>"我的第一个密钥"、"测试用" 等</p></div>',
         nextBtn: '下一步'
       },
       keyGroup: {
         title: '🎯 选择分组',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择管理员为您分配的服务分组。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 分组说明：</b><br/>不同分组可能有不同的服务质量和计费标准，请根据需要选择。</p></div>',
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">选择管理员为您分配的服务分组。</p><p style="padding: 8px 12px; background: #eff6ff; border-left: 3px solid #3b82f6; border-radius: 4px; font-size: 13px;"><b>📌 分组说明：</b><br/>不同分组可能有不同的服务质量和计费标准，请根据需要选择。</p></div>',
         nextBtn: '下一步'
       },
       keySubmit: {
         title: '🎉 完成创建',
-        description: '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击确认创建您的 API 密钥。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要：</b><ul style="margin: 8px 0 0 16px;"><li>创建后请立即复制密钥（sk-xxx）</li><li>密钥只显示一次，丢失需重新生成</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>🚀 如何使用：</b><br/>将密钥配置到支持 OpenAI 接口的任何客户端（如 ChatBox、OpenCat 等），即可开始使用！</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
+        description:
+          '<div style="line-height: 1.7;"><p style="margin-bottom: 12px;">点击确认创建您的 API 密钥。</p><div style="padding: 8px 12px; background: #fee2e2; border-left: 3px solid #ef4444; border-radius: 4px; font-size: 13px; margin-bottom: 12px;"><b>⚠️ 重要：</b><ul style="margin: 8px 0 0 16px;"><li>创建后请立即复制密钥（sk-xxx）</li><li>密钥只显示一次，丢失需重新生成</li></ul></div><p style="padding: 8px 12px; background: #f0fdf4; border-left: 3px solid #10b981; border-radius: 4px; font-size: 13px;"><b>🚀 如何使用：</b><br/>将密钥配置到支持 OpenAI 接口的任何客户端（如 ChatBox、OpenCat 等），即可开始使用！</p><p style="margin-top: 12px; color: #10b981; font-weight: 600;">👉 点击"创建"按钮</p></div>'
       }
     }
   }

frontend/src/types/index.ts

@@ -374,9 +374,12 @@ export interface ApiKey {
   key: string
   name: string
   group_id: number | null
-  status: 'active' | 'inactive'
+  status: 'active' | 'inactive' | 'quota_exhausted' | 'expired'
   ip_whitelist: string[]
   ip_blacklist: string[]
+  quota: number // Quota limit in USD (0 = unlimited)
+  quota_used: number // Used quota amount in USD
+  expires_at: string | null // Expiration time (null = never expires)
   created_at: string
   updated_at: string
   group?: Group
@@ -388,6 +391,8 @@ export interface CreateApiKeyRequest {
   custom_key?: string // Optional custom API Key
   ip_whitelist?: string[]
   ip_blacklist?: string[]
+  quota?: number // Quota limit in USD (0 = unlimited)
+  expires_in_days?: number // Days until expiry (null = never expires)
 }
 
 export interface UpdateApiKeyRequest {
@@ -396,6 +401,9 @@ export interface UpdateApiKeyRequest {
   status?: 'active' | 'inactive'
   ip_whitelist?: string[]
   ip_blacklist?: string[]
+  quota?: number // Quota limit in USD (null = no change, 0 = unlimited)
+  expires_at?: string | null // Expiration time (null = no change)
+  reset_quota?: boolean // Reset quota_used to 0
 }
 
 export interface CreateGroupRequest {

frontend/src/views/user/KeysView.vue

@@ -108,12 +108,53 @@
                   ${{ (usageStats[row.id]?.total_actual_cost ?? 0).toFixed(4) }}
                 </span>
               </div>
+              <!-- Quota progress (if quota is set) -->
+              <div v-if="row.quota > 0" class="mt-1.5">
+                <div class="flex items-center gap-1.5">
+                  <span class="text-gray-500 dark:text-gray-400">{{ t('keys.quota') }}:</span>
+                  <span :class="[
+                    'font-medium',
+                    row.quota_used >= row.quota ? 'text-red-500' :
+                    row.quota_used >= row.quota * 0.8 ? 'text-yellow-500' :
+                    'text-gray-900 dark:text-white'
+                  ]">
+                    ${{ row.quota_used?.toFixed(2) || '0.00' }} / ${{ row.quota?.toFixed(2) }}
+                  </span>
+                </div>
+                <div class="mt-1 h-1.5 w-full overflow-hidden rounded-full bg-gray-200 dark:bg-dark-600">
+                  <div
+                    :class="[
+                      'h-full rounded-full transition-all',
+                      row.quota_used >= row.quota ? 'bg-red-500' :
+                      row.quota_used >= row.quota * 0.8 ? 'bg-yellow-500' :
+                      'bg-primary-500'
+                    ]"
+                    :style="{ width: Math.min((row.quota_used / row.quota) * 100, 100) + '%' }"
+                  />
+                </div>
+              </div>
             </div>
           </template>
 
+          <template #cell-expires_at="{ value }">
+            <span v-if="value" :class="[
+              'text-sm',
+              new Date(value) < new Date() ? 'text-red-500 dark:text-red-400' : 'text-gray-500 dark:text-dark-400'
+            ]">
+              {{ formatDateTime(value) }}
+            </span>
+            <span v-else class="text-sm text-gray-400 dark:text-dark-500">{{ t('keys.noExpiration') }}</span>
+          </template>
+
           <template #cell-status="{ value }">
-            <span :class="['badge', value === 'active' ? 'badge-success' : 'badge-gray']">
-              {{ t('admin.accounts.status.' + value) }}
+            <span :class="[
+              'badge',
+              value === 'active' ? 'badge-success' :
+              value === 'quota_exhausted' ? 'badge-warning' :
+              value === 'expired' ? 'badge-danger' :
+              'badge-gray'
+            ]">
+              {{ t('keys.status.' + value) }}
             </span>
           </template>
 
@@ -334,6 +375,145 @@
             </div>
           </div>
         </div>
+
+        <!-- Quota Limit Section -->
+        <div class="space-y-3">
+          <label class="input-label">{{ t('keys.quotaLimit') }}</label>
+          <!-- Switch commented out - always show input, 0 = unlimited
+          <div class="flex items-center justify-between">
+            <label class="input-label mb-0">{{ t('keys.quotaLimit') }}</label>
+            <button
+              type="button"
+              @click="formData.enable_quota = !formData.enable_quota"
+              :class="[
+                'relative inline-flex h-5 w-9 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none',
+                formData.enable_quota ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
+              ]"
+            >
+              <span
+                :class="[
+                  'pointer-events-none inline-block h-4 w-4 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
+                  formData.enable_quota ? 'translate-x-4' : 'translate-x-0'
+                ]"
+              />
+            </button>
+          </div>
+          -->
+
+          <div class="space-y-4">
+            <div>
+              <div class="relative">
+                <span class="absolute left-3 top-1/2 -translate-y-1/2 text-gray-500">$</span>
+                <input
+                  v-model.number="formData.quota"
+                  type="number"
+                  step="0.01"
+                  min="0"
+                  class="input pl-7"
+                  :placeholder="t('keys.quotaAmountPlaceholder')"
+                />
+              </div>
+              <p class="input-hint">{{ t('keys.quotaAmountHint') }}</p>
+            </div>
+
+            <!-- Quota used display (only in edit mode) -->
+            <div v-if="showEditModal && selectedKey && selectedKey.quota > 0">
+              <label class="input-label">{{ t('keys.quotaUsed') }}</label>
+              <div class="flex items-center gap-2">
+                <div class="flex-1 rounded-lg bg-gray-100 px-3 py-2 dark:bg-dark-700">
+                  <span class="font-medium text-gray-900 dark:text-white">
+                    ${{ selectedKey.quota_used?.toFixed(4) || '0.0000' }}
+                  </span>
+                  <span class="mx-2 text-gray-400">/</span>
+                  <span class="text-gray-500 dark:text-gray-400">
+                    ${{ selectedKey.quota?.toFixed(2) || '0.00' }}
+                  </span>
+                </div>
+                <button
+                  type="button"
+                  @click="confirmResetQuota"
+                  class="btn btn-secondary text-sm"
+                  :title="t('keys.resetQuotaUsed')"
+                >
+                  {{ t('keys.reset') }}
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- Expiration Section -->
+        <div class="space-y-3">
+          <div class="flex items-center justify-between">
+            <label class="input-label mb-0">{{ t('keys.expiration') }}</label>
+            <button
+              type="button"
+              @click="formData.enable_expiration = !formData.enable_expiration"
+              :class="[
+                'relative inline-flex h-5 w-9 flex-shrink-0 cursor-pointer rounded-full border-2 border-transparent transition-colors duration-200 ease-in-out focus:outline-none',
+                formData.enable_expiration ? 'bg-primary-600' : 'bg-gray-200 dark:bg-dark-600'
+              ]"
+            >
+              <span
+                :class="[
+                  'pointer-events-none inline-block h-4 w-4 transform rounded-full bg-white shadow ring-0 transition duration-200 ease-in-out',
+                  formData.enable_expiration ? 'translate-x-4' : 'translate-x-0'
+                ]"
+              />
+            </button>
+          </div>
+
+          <div v-if="formData.enable_expiration" class="space-y-4 pt-2">
+            <!-- Quick select buttons (for both create and edit mode) -->
+            <div class="flex flex-wrap gap-2">
+              <button
+                v-for="days in ['7', '30', '90']"
+                :key="days"
+                type="button"
+                @click="setExpirationDays(parseInt(days))"
+                :class="[
+                  'rounded-lg px-3 py-1.5 text-sm transition-colors',
+                  formData.expiration_preset === days
+                    ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                    : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-700 dark:text-gray-400 dark:hover:bg-dark-600'
+                ]"
+              >
+                {{ showEditModal ? t('keys.extendDays', { days }) : t('keys.expiresInDays', { days }) }}
+              </button>
+              <button
+                type="button"
+                @click="formData.expiration_preset = 'custom'"
+                :class="[
+                  'rounded-lg px-3 py-1.5 text-sm transition-colors',
+                  formData.expiration_preset === 'custom'
+                    ? 'bg-primary-100 text-primary-700 dark:bg-primary-900/30 dark:text-primary-400'
+                    : 'bg-gray-100 text-gray-600 hover:bg-gray-200 dark:bg-dark-700 dark:text-gray-400 dark:hover:bg-dark-600'
+                ]"
+              >
+                {{ t('keys.customDate') }}
+              </button>
+            </div>
+
+            <!-- Date picker (always show for precise adjustment) -->
+            <div>
+              <label class="input-label">{{ t('keys.expirationDate') }}</label>
+              <input
+                v-model="formData.expiration_date"
+                type="datetime-local"
+                class="input"
+              />
+              <p class="input-hint">{{ t('keys.expirationDateHint') }}</p>
+            </div>
+
+            <!-- Current expiration display (only in edit mode) -->
+            <div v-if="showEditModal && selectedKey?.expires_at" class="text-sm">
+              <span class="text-gray-500 dark:text-gray-400">{{ t('keys.currentExpiration') }}: </span>
+              <span class="font-medium text-gray-900 dark:text-white">
+                {{ formatDateTime(selectedKey.expires_at) }}
+              </span>
+            </div>
+          </div>
+        </div>
       </form>
       <template #footer>
         <div class="flex justify-end gap-3">
@@ -391,6 +571,18 @@
       @cancel="showDeleteDialog = false"
     />
 
+    <!-- Reset Quota Confirmation Dialog -->
+    <ConfirmDialog
+      :show="showResetQuotaDialog"
+      :title="t('keys.resetQuotaTitle')"
+      :message="t('keys.resetQuotaConfirmMessage', { name: selectedKey?.name, used: selectedKey?.quota_used?.toFixed(4) })"
+      :confirm-text="t('keys.reset')"
+      :cancel-text="t('common.cancel')"
+      :danger="true"
+      @confirm="resetQuotaUsed"
+      @cancel="showResetQuotaDialog = false"
+    />
+
     <!-- Use Key Modal -->
     <UseKeyModal
       :show="showUseKeyModal"
@@ -514,6 +706,13 @@ import type { Column } from '@/components/common/types'
 import type { BatchApiKeyUsageStats } from '@/api/usage'
 import { formatDateTime } from '@/utils/format'
 
+// Helper to format date for datetime-local input
+const formatDateTimeLocal = (isoDate: string): string => {
+  const date = new Date(isoDate)
+  const pad = (n: number) => n.toString().padStart(2, '0')
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}T${pad(date.getHours())}:${pad(date.getMinutes())}`
+}
+
 interface GroupOption {
   value: number
   label: string
@@ -532,6 +731,7 @@ const columns = computed<Column[]>(() => [
   { key: 'key', label: t('keys.apiKey'), sortable: false },
   { key: 'group', label: t('keys.group'), sortable: false },
   { key: 'usage', label: t('keys.usage'), sortable: false },
+  { key: 'expires_at', label: t('keys.expiresAt'), sortable: true },
   { key: 'status', label: t('common.status'), sortable: true },
   { key: 'created_at', label: t('keys.created'), sortable: true },
   { key: 'actions', label: t('common.actions'), sortable: false }
@@ -553,6 +753,7 @@ const pagination = ref({
 const showCreateModal = ref(false)
 const showEditModal = ref(false)
 const showDeleteDialog = ref(false)
+const showResetQuotaDialog = ref(false)
 const showUseKeyModal = ref(false)
 const showCcsClientSelect = ref(false)
 const pendingCcsRow = ref<ApiKey | null>(null)
@@ -587,7 +788,13 @@ const formData = ref({
   custom_key: '',
   enable_ip_restriction: false,
   ip_whitelist: '',
-  ip_blacklist: ''
+  ip_blacklist: '',
+  // Quota settings (empty = unlimited)
+  enable_quota: false,
+  quota: null as number | null,
+  enable_expiration: false,
+  expiration_preset: '30' as '7' | '30' | '90' | 'custom',
+  expiration_date: ''
 })
 
 // 自定义Key验证
@@ -724,15 +931,21 @@ const handlePageSizeChange = (pageSize: number) => {
 const editKey = (key: ApiKey) => {
   selectedKey.value = key
   const hasIPRestriction = (key.ip_whitelist?.length > 0) || (key.ip_blacklist?.length > 0)
+  const hasExpiration = !!key.expires_at
   formData.value = {
     name: key.name,
     group_id: key.group_id,
-    status: key.status,
+    status: key.status === 'quota_exhausted' || key.status === 'expired' ? 'inactive' : key.status,
     use_custom_key: false,
     custom_key: '',
     enable_ip_restriction: hasIPRestriction,
     ip_whitelist: (key.ip_whitelist || []).join('\n'),
-    ip_blacklist: (key.ip_blacklist || []).join('\n')
+    ip_blacklist: (key.ip_blacklist || []).join('\n'),
+    enable_quota: key.quota > 0,
+    quota: key.quota > 0 ? key.quota : null,
+    enable_expiration: hasExpiration,
+    expiration_preset: 'custom',
+    expiration_date: key.expires_at ? formatDateTimeLocal(key.expires_at) : ''
   }
   showEditModal.value = true
 }
@@ -820,6 +1033,28 @@ const handleSubmit = async () => {
   const ipWhitelist = formData.value.enable_ip_restriction ? parseIPList(formData.value.ip_whitelist) : []
   const ipBlacklist = formData.value.enable_ip_restriction ? parseIPList(formData.value.ip_blacklist) : []
 
+  // Calculate quota value (null/empty/0 = unlimited, stored as 0)
+  const quota = formData.value.quota && formData.value.quota > 0 ? formData.value.quota : 0
+
+  // Calculate expiration
+  let expiresInDays: number | undefined
+  let expiresAt: string | null | undefined
+  if (formData.value.enable_expiration && formData.value.expiration_date) {
+    if (!showEditModal.value) {
+      // Create mode: calculate days from date
+      const expDate = new Date(formData.value.expiration_date)
+      const now = new Date()
+      const diffDays = Math.ceil((expDate.getTime() - now.getTime()) / (1000 * 60 * 60 * 24))
+      expiresInDays = diffDays > 0 ? diffDays : 1
+    } else {
+      // Edit mode: use custom date directly
+      expiresAt = new Date(formData.value.expiration_date).toISOString()
+    }
+  } else if (showEditModal.value) {
+    // Edit mode: if expiration disabled or date cleared, send empty string to clear
+    expiresAt = ''
+  }
+
   submitting.value = true
   try {
     if (showEditModal.value && selectedKey.value) {
@@ -828,12 +1063,22 @@ const handleSubmit = async () => {
         group_id: formData.value.group_id,
         status: formData.value.status,
         ip_whitelist: ipWhitelist,
-        ip_blacklist: ipBlacklist
+        ip_blacklist: ipBlacklist,
+        quota: quota,
+        expires_at: expiresAt
       })
       appStore.showSuccess(t('keys.keyUpdatedSuccess'))
     } else {
       const customKey = formData.value.use_custom_key ? formData.value.custom_key : undefined
-      await keysAPI.create(formData.value.name, formData.value.group_id, customKey, ipWhitelist, ipBlacklist)
+      await keysAPI.create(
+        formData.value.name,
+        formData.value.group_id,
+        customKey,
+        ipWhitelist,
+        ipBlacklist,
+        quota,
+        expiresInDays
+      )
       appStore.showSuccess(t('keys.keyCreatedSuccess'))
       // Only advance tour if active, on submit step, and creation succeeded
       if (onboardingStore.isCurrentStep('[data-tour="key-form-submit"]')) {
@@ -883,7 +1128,42 @@ const closeModals = () => {
     custom_key: '',
     enable_ip_restriction: false,
     ip_whitelist: '',
-    ip_blacklist: ''
+    ip_blacklist: '',
+    enable_quota: false,
+    quota: null,
+    enable_expiration: false,
+    expiration_preset: '30',
+    expiration_date: ''
+  }
+}
+
+// Show reset quota confirmation dialog
+const confirmResetQuota = () => {
+  showResetQuotaDialog.value = true
+}
+
+// Set expiration date based on quick select days
+const setExpirationDays = (days: number) => {
+  formData.value.expiration_preset = days.toString() as '7' | '30' | '90'
+  const expDate = new Date()
+  expDate.setDate(expDate.getDate() + days)
+  formData.value.expiration_date = formatDateTimeLocal(expDate.toISOString())
+}
+
+// Reset quota used for an API key
+const resetQuotaUsed = async () => {
+  if (!selectedKey.value) return
+  showResetQuotaDialog.value = false
+  try {
+    await keysAPI.update(selectedKey.value.id, { reset_quota: true })
+    appStore.showSuccess(t('keys.quotaResetSuccess'))
+    // Update local state
+    if (selectedKey.value) {
+      selectedKey.value.quota_used = 0
+    }
+  } catch (error: any) {
+    const errorMsg = error.response?.data?.detail || t('keys.failedToResetQuota')
+    appStore.showError(errorMsg)
   }
 }