diff --git a/backend/ent/group_create.go b/backend/ent/group_create.go
index a7263051..f412fa40 100644
--- a/backend/ent/group_create.go
+++ b/backend/ent/group_create.go
@@ -425,20 +425,6 @@ func (_c *GroupCreate) SetNillableMessagesDispatchModelConfig(v *domain.OpenAIMe
 	return _c
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (_c *GroupCreate) SetSoraStorageQuotaBytes(v int64) *GroupCreate {
-	_c.mutation.SetSoraStorageQuotaBytes(v)
-	return _c
-}
-
-// SetNillableSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field if the given value is not nil.
-func (_c *GroupCreate) SetNillableSoraStorageQuotaBytes(v *int64) *GroupCreate {
-	if v != nil {
-		_c.SetSoraStorageQuotaBytes(*v)
-	}
-	return _c
-}
-
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_c *GroupCreate) AddAPIKeyIDs(ids ...int64) *GroupCreate {
 	_c.mutation.AddAPIKeyIDs(ids...)
@@ -644,10 +630,6 @@ func (_c *GroupCreate) defaults() error {
 		v := group.DefaultMessagesDispatchModelConfig
 		_c.mutation.SetMessagesDispatchModelConfig(v)
 	}
-	if _, ok := _c.mutation.SoraStorageQuotaBytes(); !ok {
-		v := group.DefaultSoraStorageQuotaBytes
-		_c.mutation.SetSoraStorageQuotaBytes(v)
-	}
 	return nil
 }
 
@@ -735,9 +717,6 @@ func (_c *GroupCreate) check() error {
 	if _, ok := _c.mutation.MessagesDispatchModelConfig(); !ok {
 		return &ValidationError{Name: "messages_dispatch_model_config", err: errors.New(`ent: missing required field "Group.messages_dispatch_model_config"`)}
 	}
-	if _, ok := _c.mutation.SoraStorageQuotaBytes(); !ok {
-		return &ValidationError{Name: "sora_storage_quota_bytes", err: errors.New(`ent: missing required field "Group.sora_storage_quota_bytes"`)}
-	}
 	return nil
 }
 
@@ -885,10 +864,6 @@ func (_c *GroupCreate) createSpec() (*Group, *sqlgraph.CreateSpec) {
 		_spec.SetField(group.FieldMessagesDispatchModelConfig, field.TypeJSON, value)
 		_node.MessagesDispatchModelConfig = value
 	}
-	if value, ok := _c.mutation.SoraStorageQuotaBytes(); ok {
-		_spec.SetField(group.FieldSoraStorageQuotaBytes, field.TypeInt64, value)
-		_node.SoraStorageQuotaBytes = value
-	}
 	if nodes := _c.mutation.APIKeysIDs(); len(nodes) > 0 {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,
@@ -1525,24 +1500,6 @@ func (u *GroupUpsert) UpdateMessagesDispatchModelConfig() *GroupUpsert {
 	return u
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (u *GroupUpsert) SetSoraStorageQuotaBytes(v int64) *GroupUpsert {
-	u.Set(group.FieldSoraStorageQuotaBytes, v)
-	return u
-}
-
-// UpdateSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field to the value that was provided on create.
-func (u *GroupUpsert) UpdateSoraStorageQuotaBytes() *GroupUpsert {
-	u.SetExcluded(group.FieldSoraStorageQuotaBytes)
-	return u
-}
-
-// AddSoraStorageQuotaBytes adds v to the "sora_storage_quota_bytes" field.
-func (u *GroupUpsert) AddSoraStorageQuotaBytes(v int64) *GroupUpsert {
-	u.Add(group.FieldSoraStorageQuotaBytes, v)
-	return u
-}
-
 // UpdateNewValues updates the mutable fields using the new values that were set on create.
 // Using this option is equivalent to using:
 //
@@ -2148,27 +2105,6 @@ func (u *GroupUpsertOne) UpdateMessagesDispatchModelConfig() *GroupUpsertOne {
 	})
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (u *GroupUpsertOne) SetSoraStorageQuotaBytes(v int64) *GroupUpsertOne {
-	return u.Update(func(s *GroupUpsert) {
-		s.SetSoraStorageQuotaBytes(v)
-	})
-}
-
-// AddSoraStorageQuotaBytes adds v to the "sora_storage_quota_bytes" field.
-func (u *GroupUpsertOne) AddSoraStorageQuotaBytes(v int64) *GroupUpsertOne {
-	return u.Update(func(s *GroupUpsert) {
-		s.AddSoraStorageQuotaBytes(v)
-	})
-}
-
-// UpdateSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field to the value that was provided on create.
-func (u *GroupUpsertOne) UpdateSoraStorageQuotaBytes() *GroupUpsertOne {
-	return u.Update(func(s *GroupUpsert) {
-		s.UpdateSoraStorageQuotaBytes()
-	})
-}
-
 // Exec executes the query.
 func (u *GroupUpsertOne) Exec(ctx context.Context) error {
 	if len(u.create.conflict) == 0 {
@@ -2940,27 +2876,6 @@ func (u *GroupUpsertBulk) UpdateMessagesDispatchModelConfig() *GroupUpsertBulk {
 	})
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (u *GroupUpsertBulk) SetSoraStorageQuotaBytes(v int64) *GroupUpsertBulk {
-	return u.Update(func(s *GroupUpsert) {
-		s.SetSoraStorageQuotaBytes(v)
-	})
-}
-
-// AddSoraStorageQuotaBytes adds v to the "sora_storage_quota_bytes" field.
-func (u *GroupUpsertBulk) AddSoraStorageQuotaBytes(v int64) *GroupUpsertBulk {
-	return u.Update(func(s *GroupUpsert) {
-		s.AddSoraStorageQuotaBytes(v)
-	})
-}
-
-// UpdateSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field to the value that was provided on create.
-func (u *GroupUpsertBulk) UpdateSoraStorageQuotaBytes() *GroupUpsertBulk {
-	return u.Update(func(s *GroupUpsert) {
-		s.UpdateSoraStorageQuotaBytes()
-	})
-}
-
 // Exec executes the query.
 func (u *GroupUpsertBulk) Exec(ctx context.Context) error {
 	if u.create.err != nil {
diff --git a/backend/ent/group_update.go b/backend/ent/group_update.go
index fa398180..7b6d6193 100644
--- a/backend/ent/group_update.go
+++ b/backend/ent/group_update.go
@@ -567,27 +567,6 @@ func (_u *GroupUpdate) SetNillableMessagesDispatchModelConfig(v *domain.OpenAIMe
 	return _u
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (_u *GroupUpdate) SetSoraStorageQuotaBytes(v int64) *GroupUpdate {
-	_u.mutation.ResetSoraStorageQuotaBytes()
-	_u.mutation.SetSoraStorageQuotaBytes(v)
-	return _u
-}
-
-// SetNillableSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field if the given value is not nil.
-func (_u *GroupUpdate) SetNillableSoraStorageQuotaBytes(v *int64) *GroupUpdate {
-	if v != nil {
-		_u.SetSoraStorageQuotaBytes(*v)
-	}
-	return _u
-}
-
-// AddSoraStorageQuotaBytes adds value to the "sora_storage_quota_bytes" field.
-func (_u *GroupUpdate) AddSoraStorageQuotaBytes(v int64) *GroupUpdate {
-	_u.mutation.AddSoraStorageQuotaBytes(v)
-	return _u
-}
-
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_u *GroupUpdate) AddAPIKeyIDs(ids ...int64) *GroupUpdate {
 	_u.mutation.AddAPIKeyIDs(ids...)
@@ -1051,12 +1030,6 @@ func (_u *GroupUpdate) sqlSave(ctx context.Context) (_node int, err error) {
 	if value, ok := _u.mutation.MessagesDispatchModelConfig(); ok {
 		_spec.SetField(group.FieldMessagesDispatchModelConfig, field.TypeJSON, value)
 	}
-	if value, ok := _u.mutation.SoraStorageQuotaBytes(); ok {
-		_spec.SetField(group.FieldSoraStorageQuotaBytes, field.TypeInt64, value)
-	}
-	if value, ok := _u.mutation.AddedSoraStorageQuotaBytes(); ok {
-		_spec.AddField(group.FieldSoraStorageQuotaBytes, field.TypeInt64, value)
-	}
 	if _u.mutation.APIKeysCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,
@@ -1902,27 +1875,6 @@ func (_u *GroupUpdateOne) SetNillableMessagesDispatchModelConfig(v *domain.OpenA
 	return _u
 }
 
-// SetSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field.
-func (_u *GroupUpdateOne) SetSoraStorageQuotaBytes(v int64) *GroupUpdateOne {
-	_u.mutation.ResetSoraStorageQuotaBytes()
-	_u.mutation.SetSoraStorageQuotaBytes(v)
-	return _u
-}
-
-// SetNillableSoraStorageQuotaBytes sets the "sora_storage_quota_bytes" field if the given value is not nil.
-func (_u *GroupUpdateOne) SetNillableSoraStorageQuotaBytes(v *int64) *GroupUpdateOne {
-	if v != nil {
-		_u.SetSoraStorageQuotaBytes(*v)
-	}
-	return _u
-}
-
-// AddSoraStorageQuotaBytes adds value to the "sora_storage_quota_bytes" field.
-func (_u *GroupUpdateOne) AddSoraStorageQuotaBytes(v int64) *GroupUpdateOne {
-	_u.mutation.AddSoraStorageQuotaBytes(v)
-	return _u
-}
-
 // AddAPIKeyIDs adds the "api_keys" edge to the APIKey entity by IDs.
 func (_u *GroupUpdateOne) AddAPIKeyIDs(ids ...int64) *GroupUpdateOne {
 	_u.mutation.AddAPIKeyIDs(ids...)
@@ -2416,12 +2368,6 @@ func (_u *GroupUpdateOne) sqlSave(ctx context.Context) (_node *Group, err error)
 	if value, ok := _u.mutation.MessagesDispatchModelConfig(); ok {
 		_spec.SetField(group.FieldMessagesDispatchModelConfig, field.TypeJSON, value)
 	}
-	if value, ok := _u.mutation.SoraStorageQuotaBytes(); ok {
-		_spec.SetField(group.FieldSoraStorageQuotaBytes, field.TypeInt64, value)
-	}
-	if value, ok := _u.mutation.AddedSoraStorageQuotaBytes(); ok {
-		_spec.AddField(group.FieldSoraStorageQuotaBytes, field.TypeInt64, value)
-	}
 	if _u.mutation.APIKeysCleared() {
 		edge := &sqlgraph.EdgeSpec{
 			Rel:     sqlgraph.O2M,
diff --git a/backend/internal/config/platforms.go b/backend/internal/config/platforms.go
index 2223dca5..65123105 100644
--- a/backend/internal/config/platforms.go
+++ b/backend/internal/config/platforms.go
@@ -15,7 +15,7 @@ type SoraClientConfig struct {
 	PollIntervalSeconds                int                       `mapstructure:"poll_interval_seconds"`
 	MaxPollAttempts                    int                       `mapstructure:"max_poll_attempts"`
 	RecentTaskLimit                    int                       `mapstructure:"recent_task_limit"`
-	RecentTaskLimitMax                 int                       `mapstructure="recent_task_limit_max"`
+	RecentTaskLimitMax                 int                       `mapstructure:"recent_task_limit_max"`
 	Debug                              bool                      `mapstructure:"debug"`
 	UseOpenAITokenProvider             bool                      `mapstructure:"use_openai_token_provider"`
 	Headers                            map[string]string         `mapstructure:"headers"`