diff --git a/packages/sdk/js/src/v2/gen/sdk.gen.ts b/packages/sdk/js/src/v2/gen/sdk.gen.ts
index ab191b0566..ffc0970c0e 100644
--- a/packages/sdk/js/src/v2/gen/sdk.gen.ts
+++ b/packages/sdk/js/src/v2/gen/sdk.gen.ts
@@ -4,84 +4,58 @@ import { client } from "./client.gen.js"
 import { buildClientParams, type Client, type Options as Options2, type TDataShape } from "./client/index.js"
 import type {
   AgentPartInput,
-  AppAgentsErrors,
   AppAgentsResponses,
   AppLogErrors,
   AppLogResponses,
-  AppSkillsErrors,
   AppSkillsResponses,
   Auth as Auth3,
   AuthRemoveErrors,
   AuthRemoveResponses,
   AuthSetErrors,
   AuthSetResponses,
-  CommandListErrors,
   CommandListResponses,
   Config as Config3,
-  ConfigGetErrors,
   ConfigGetResponses,
-  ConfigProvidersErrors,
   ConfigProvidersResponses,
   ConfigUpdateErrors,
   ConfigUpdateResponses,
-  EventSubscribeErrors,
   EventSubscribeResponses,
   EventTuiCommandExecute2,
   EventTuiPromptAppend2,
   EventTuiSessionSelect2,
   EventTuiToastShow2,
-  ExperimentalConsoleGetErrors,
   ExperimentalConsoleGetResponses,
-  ExperimentalConsoleListOrgsErrors,
   ExperimentalConsoleListOrgsResponses,
   ExperimentalConsoleSwitchOrgResponses,
-  ExperimentalResourceListErrors,
   ExperimentalResourceListResponses,
-  ExperimentalSessionListErrors,
   ExperimentalSessionListResponses,
-  ExperimentalWorkspaceAdapterListErrors,
   ExperimentalWorkspaceAdapterListResponses,
   ExperimentalWorkspaceCreateErrors,
   ExperimentalWorkspaceCreateResponses,
-  ExperimentalWorkspaceListErrors,
   ExperimentalWorkspaceListResponses,
   ExperimentalWorkspaceRemoveErrors,
   ExperimentalWorkspaceRemoveResponses,
-  ExperimentalWorkspaceStatusErrors,
   ExperimentalWorkspaceStatusResponses,
   ExperimentalWorkspaceWarpErrors,
   ExperimentalWorkspaceWarpResponses,
-  FileListErrors,
   FileListResponses,
   FilePartInput,
   FilePartSource,
-  FileReadErrors,
   FileReadResponses,
-  FileStatusErrors,
   FileStatusResponses,
-  FindFilesErrors,
   FindFilesResponses,
-  FindSymbolsErrors,
   FindSymbolsResponses,
-  FindTextErrors,
   FindTextResponses,
-  FormatterStatusErrors,
   FormatterStatusResponses,
-  GlobalConfigGetErrors,
   GlobalConfigGetResponses,
   GlobalConfigUpdateErrors,
   GlobalConfigUpdateResponses,
-  GlobalDisposeErrors,
   GlobalDisposeResponses,
-  GlobalEventErrors,
   GlobalEventResponses,
-  GlobalHealthErrors,
   GlobalHealthResponses,
   GlobalUpgradeErrors,
   GlobalUpgradeResponses,
-  InstanceDisposeErrors,
   InstanceDisposeResponses,
-  LspStatusErrors,
   LspStatusResponses,
   McpAddErrors,
   McpAddResponses,
@@ -93,13 +67,10 @@ import type {
   McpAuthRemoveResponses,
   McpAuthStartErrors,
   McpAuthStartResponses,
-  McpConnectErrors,
   McpConnectResponses,
-  McpDisconnectErrors,
   McpDisconnectResponses,
   McpLocalConfig,
   McpRemoteConfig,
-  McpStatusErrors,
   McpStatusResponses,
   OutputFormat,
   Part as Part2,
@@ -107,27 +78,20 @@ import type {
   PartDeleteResponses,
   PartUpdateErrors,
   PartUpdateResponses,
-  PathGetErrors,
   PathGetResponses,
-  PermissionListErrors,
   PermissionListResponses,
   PermissionReplyErrors,
   PermissionReplyResponses,
   PermissionRespondErrors,
   PermissionRespondResponses,
   PermissionRuleset,
-  ProjectCurrentErrors,
   ProjectCurrentResponses,
-  ProjectInitGitErrors,
   ProjectInitGitResponses,
-  ProjectListErrors,
   ProjectListResponses,
   ProjectUpdateErrors,
   ProjectUpdateResponses,
   Prompt,
-  ProviderAuthErrors,
   ProviderAuthResponses,
-  ProviderListErrors,
   ProviderListResponses,
   ProviderOauthAuthorizeErrors,
   ProviderOauthAuthorizeResponses,
@@ -141,16 +105,13 @@ import type {
   PtyCreateResponses,
   PtyGetErrors,
   PtyGetResponses,
-  PtyListErrors,
   PtyListResponses,
   PtyRemoveErrors,
   PtyRemoveResponses,
-  PtyShellsErrors,
   PtyShellsResponses,
   PtyUpdateErrors,
   PtyUpdateResponses,
   QuestionAnswer,
-  QuestionListErrors,
   QuestionListResponses,
   QuestionRejectErrors,
   QuestionRejectResponses,
@@ -169,15 +130,12 @@ import type {
   SessionDeleteMessageResponses,
   SessionDeleteResponses,
   SessionDelivery,
-  SessionDiffErrors,
   SessionDiffResponses,
-  SessionForkErrors,
   SessionForkResponses,
   SessionGetErrors,
   SessionGetResponses,
   SessionInitErrors,
   SessionInitResponses,
-  SessionListErrors,
   SessionListResponses,
   SessionMessageErrors,
   SessionMessageResponses,
@@ -210,7 +168,6 @@ import type {
   SyncHistoryListResponses,
   SyncReplayErrors,
   SyncReplayResponses,
-  SyncStartErrors,
   SyncStartResponses,
   SyncStealErrors,
   SyncStealResponses,
@@ -221,50 +178,34 @@ import type {
   ToolListResponses,
   TuiAppendPromptErrors,
   TuiAppendPromptResponses,
-  TuiClearPromptErrors,
   TuiClearPromptResponses,
-  TuiControlNextErrors,
   TuiControlNextResponses,
-  TuiControlResponseErrors,
   TuiControlResponseResponses,
   TuiExecuteCommandErrors,
   TuiExecuteCommandResponses,
-  TuiOpenHelpErrors,
   TuiOpenHelpResponses,
-  TuiOpenModelsErrors,
   TuiOpenModelsResponses,
-  TuiOpenSessionsErrors,
   TuiOpenSessionsResponses,
-  TuiOpenThemesErrors,
   TuiOpenThemesResponses,
   TuiPublishErrors,
   TuiPublishResponses,
   TuiSelectSessionErrors,
   TuiSelectSessionResponses,
-  TuiShowToastErrors,
   TuiShowToastResponses,
-  TuiSubmitPromptErrors,
   TuiSubmitPromptResponses,
-  V2SessionCompactErrors,
   V2SessionCompactResponses,
-  V2SessionContextErrors,
   V2SessionContextResponses,
   V2SessionListErrors,
   V2SessionListResponses,
   V2SessionMessagesErrors,
   V2SessionMessagesResponses,
-  V2SessionPromptErrors,
   V2SessionPromptResponses,
-  V2SessionWaitErrors,
   V2SessionWaitResponses,
-  VcsDiffErrors,
   VcsDiffResponses,
-  VcsGetErrors,
   VcsGetResponses,
   WorktreeCreateErrors,
   WorktreeCreateInput,
   WorktreeCreateResponses,
-  WorktreeListErrors,
   WorktreeListResponses,
   WorktreeRemoveErrors,
   WorktreeRemoveInput,
@@ -442,7 +383,7 @@ export class App extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<AppAgentsResponses, AppAgentsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<AppAgentsResponses, unknown, ThrowOnError>({
       url: "/agent",
       ...options,
       ...params,
@@ -472,7 +413,7 @@ export class App extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<AppSkillsResponses, AppSkillsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<AppSkillsResponses, unknown, ThrowOnError>({
       url: "/skill",
       ...options,
       ...params,
@@ -487,7 +428,7 @@ export class Config extends HeyApiClient {
    * Retrieve the current global OpenCode configuration settings and preferences.
    */
   public get<ThrowOnError extends boolean = false>(options?: Options<never, ThrowOnError>) {
-    return (options?.client ?? this.client).get<GlobalConfigGetResponses, GlobalConfigGetErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<GlobalConfigGetResponses, unknown, ThrowOnError>({
       url: "/global/config",
       ...options,
     })
@@ -525,7 +466,7 @@ export class Global extends HeyApiClient {
    * Get health information about the OpenCode server.
    */
   public health<ThrowOnError extends boolean = false>(options?: Options<never, ThrowOnError>) {
-    return (options?.client ?? this.client).get<GlobalHealthResponses, GlobalHealthErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<GlobalHealthResponses, unknown, ThrowOnError>({
       url: "/global/health",
       ...options,
     })
@@ -537,7 +478,7 @@ export class Global extends HeyApiClient {
    * Subscribe to global events from the OpenCode system using server-sent events.
    */
   public event<ThrowOnError extends boolean = false>(options?: Options<never, ThrowOnError>) {
-    return (options?.client ?? this.client).sse.get<GlobalEventResponses, GlobalEventErrors, ThrowOnError>({
+    return (options?.client ?? this.client).sse.get<GlobalEventResponses, unknown, ThrowOnError>({
       url: "/global/event",
       ...options,
     })
@@ -549,7 +490,7 @@ export class Global extends HeyApiClient {
    * Clean up and dispose all OpenCode instances, releasing all resources.
    */
   public dispose<ThrowOnError extends boolean = false>(options?: Options<never, ThrowOnError>) {
-    return (options?.client ?? this.client).post<GlobalDisposeResponses, GlobalDisposeErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<GlobalDisposeResponses, unknown, ThrowOnError>({
       url: "/global/dispose",
       ...options,
     })
@@ -609,7 +550,7 @@ export class Event extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).sse.get<EventSubscribeResponses, EventSubscribeErrors, ThrowOnError>({
+    return (options?.client ?? this.client).sse.get<EventSubscribeResponses, unknown, ThrowOnError>({
       url: "/event",
       ...options,
       ...params,
@@ -641,7 +582,7 @@ export class Config2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ConfigGetResponses, ConfigGetErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ConfigGetResponses, unknown, ThrowOnError>({
       url: "/config",
       ...options,
       ...params,
@@ -708,7 +649,7 @@ export class Config2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ConfigProvidersResponses, ConfigProvidersErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ConfigProvidersResponses, unknown, ThrowOnError>({
       url: "/config/providers",
       ...options,
       ...params,
@@ -740,11 +681,7 @@ export class Console extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalConsoleGetResponses,
-      ExperimentalConsoleGetErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalConsoleGetResponses, unknown, ThrowOnError>({
       url: "/experimental/console",
       ...options,
       ...params,
@@ -774,11 +711,7 @@ export class Console extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalConsoleListOrgsResponses,
-      ExperimentalConsoleListOrgsErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalConsoleListOrgsResponses, unknown, ThrowOnError>({
       url: "/experimental/console/orgs",
       ...options,
       ...params,
@@ -861,11 +794,7 @@ export class Session extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalSessionListResponses,
-      ExperimentalSessionListErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalSessionListResponses, unknown, ThrowOnError>({
       url: "/experimental/session",
       ...options,
       ...params,
@@ -897,11 +826,7 @@ export class Resource extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalResourceListResponses,
-      ExperimentalResourceListErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalResourceListResponses, unknown, ThrowOnError>({
       url: "/experimental/resource",
       ...options,
       ...params,
@@ -933,11 +858,7 @@ export class Adapter extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalWorkspaceAdapterListResponses,
-      ExperimentalWorkspaceAdapterListErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalWorkspaceAdapterListResponses, unknown, ThrowOnError>({
       url: "/experimental/workspace/adapter",
       ...options,
       ...params,
@@ -969,11 +890,7 @@ export class Workspace extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalWorkspaceListResponses,
-      ExperimentalWorkspaceListErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalWorkspaceListResponses, unknown, ThrowOnError>({
       url: "/experimental/workspace",
       ...options,
       ...params,
@@ -1050,11 +967,7 @@ export class Workspace extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<
-      ExperimentalWorkspaceStatusResponses,
-      ExperimentalWorkspaceStatusErrors,
-      ThrowOnError
-    >({
+    return (options?.client ?? this.client).get<ExperimentalWorkspaceStatusResponses, unknown, ThrowOnError>({
       url: "/experimental/workspace/status",
       ...options,
       ...params,
@@ -1106,7 +1019,7 @@ export class Workspace extends HeyApiClient {
     parameters?: {
       directory?: string
       workspace?: string
-      id?: string | null
+      id?: string
       sessionID?: string
     },
     options?: Options<never, ThrowOnError>,
@@ -1295,7 +1208,7 @@ export class Worktree extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<WorktreeListResponses, WorktreeListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<WorktreeListResponses, unknown, ThrowOnError>({
       url: "/experimental/worktree",
       ...options,
       ...params,
@@ -1403,7 +1316,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindTextResponses, FindTextErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindTextResponses, unknown, ThrowOnError>({
       url: "/find",
       ...options,
       ...params,
@@ -1441,7 +1354,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindFilesResponses, FindFilesErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindFilesResponses, unknown, ThrowOnError>({
       url: "/find/file",
       ...options,
       ...params,
@@ -1473,7 +1386,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindSymbolsResponses, FindSymbolsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindSymbolsResponses, unknown, ThrowOnError>({
       url: "/find/symbol",
       ...options,
       ...params,
@@ -1507,7 +1420,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileListResponses, FileListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileListResponses, unknown, ThrowOnError>({
       url: "/file",
       ...options,
       ...params,
@@ -1539,7 +1452,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileReadResponses, FileReadErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileReadResponses, unknown, ThrowOnError>({
       url: "/file/content",
       ...options,
       ...params,
@@ -1569,7 +1482,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileStatusResponses, FileStatusErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileStatusResponses, unknown, ThrowOnError>({
       url: "/file/status",
       ...options,
       ...params,
@@ -1601,7 +1514,7 @@ export class Instance extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<InstanceDisposeResponses, InstanceDisposeErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<InstanceDisposeResponses, unknown, ThrowOnError>({
       url: "/instance/dispose",
       ...options,
       ...params,
@@ -1633,7 +1546,7 @@ export class Path extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PathGetResponses, PathGetErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<PathGetResponses, unknown, ThrowOnError>({
       url: "/path",
       ...options,
       ...params,
@@ -1665,7 +1578,7 @@ export class Vcs extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsGetResponses, VcsGetErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsGetResponses, unknown, ThrowOnError>({
       url: "/vcs",
       ...options,
       ...params,
@@ -1697,7 +1610,7 @@ export class Vcs extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsDiffResponses, VcsDiffErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsDiffResponses, unknown, ThrowOnError>({
       url: "/vcs/diff",
       ...options,
       ...params,
@@ -1729,7 +1642,7 @@ export class Command extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<CommandListResponses, CommandListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<CommandListResponses, unknown, ThrowOnError>({
       url: "/command",
       ...options,
       ...params,
@@ -1761,7 +1674,7 @@ export class Lsp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<LspStatusResponses, LspStatusErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<LspStatusResponses, unknown, ThrowOnError>({
       url: "/lsp",
       ...options,
       ...params,
@@ -1793,7 +1706,7 @@ export class Formatter extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FormatterStatusResponses, FormatterStatusErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<FormatterStatusResponses, unknown, ThrowOnError>({
       url: "/formatter",
       ...options,
       ...params,
@@ -1964,7 +1877,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<McpStatusResponses, McpStatusErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<McpStatusResponses, unknown, ThrowOnError>({
       url: "/mcp",
       ...options,
       ...params,
@@ -2033,7 +1946,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<McpConnectResponses, McpConnectErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<McpConnectResponses, unknown, ThrowOnError>({
       url: "/mcp/{name}/connect",
       ...options,
       ...params,
@@ -2063,7 +1976,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<McpDisconnectResponses, McpDisconnectErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<McpDisconnectResponses, unknown, ThrowOnError>({
       url: "/mcp/{name}/disconnect",
       ...options,
       ...params,
@@ -2100,7 +2013,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProjectListResponses, ProjectListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProjectListResponses, unknown, ThrowOnError>({
       url: "/project",
       ...options,
       ...params,
@@ -2130,7 +2043,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProjectCurrentResponses, ProjectCurrentErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProjectCurrentResponses, unknown, ThrowOnError>({
       url: "/project/current",
       ...options,
       ...params,
@@ -2160,7 +2073,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<ProjectInitGitResponses, ProjectInitGitErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<ProjectInitGitResponses, unknown, ThrowOnError>({
       url: "/project/git/init",
       ...options,
       ...params,
@@ -2244,7 +2157,7 @@ export class Pty extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PtyShellsResponses, PtyShellsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<PtyShellsResponses, unknown, ThrowOnError>({
       url: "/pty/shells",
       ...options,
       ...params,
@@ -2274,7 +2187,7 @@ export class Pty extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PtyListResponses, PtyListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<PtyListResponses, unknown, ThrowOnError>({
       url: "/pty",
       ...options,
       ...params,
@@ -2525,7 +2438,7 @@ export class Question extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<QuestionListResponses, QuestionListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<QuestionListResponses, unknown, ThrowOnError>({
       url: "/question",
       ...options,
       ...params,
@@ -2628,7 +2541,7 @@ export class Permission extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PermissionListResponses, PermissionListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<PermissionListResponses, unknown, ThrowOnError>({
       url: "/permission",
       ...options,
       ...params,
@@ -2838,7 +2751,7 @@ export class Provider extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProviderListResponses, ProviderListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProviderListResponses, unknown, ThrowOnError>({
       url: "/provider",
       ...options,
       ...params,
@@ -2868,7 +2781,7 @@ export class Provider extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProviderAuthResponses, ProviderAuthErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProviderAuthResponses, unknown, ThrowOnError>({
       url: "/provider/auth",
       ...options,
       ...params,
@@ -2917,7 +2830,7 @@ export class Session2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<SessionListResponses, SessionListErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<SessionListResponses, unknown, ThrowOnError>({
       url: "/session",
       ...options,
       ...params,
@@ -3205,7 +3118,7 @@ export class Session2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<SessionDiffResponses, SessionDiffErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<SessionDiffResponses, unknown, ThrowOnError>({
       url: "/session/{sessionID}/diff",
       ...options,
       ...params,
@@ -3407,7 +3320,7 @@ export class Session2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<SessionForkResponses, SessionForkErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<SessionForkResponses, unknown, ThrowOnError>({
       url: "/session/{sessionID}/fork",
       ...options,
       ...params,
@@ -3983,7 +3896,7 @@ export class Sync extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<SyncStartResponses, SyncStartErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<SyncStartResponses, unknown, ThrowOnError>({
       url: "/sync/start",
       ...options,
       ...params,
@@ -4148,7 +4061,7 @@ export class Session3 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<V2SessionPromptResponses, V2SessionPromptErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<V2SessionPromptResponses, unknown, ThrowOnError>({
       url: "/api/session/{sessionID}/prompt",
       ...options,
       ...params,
@@ -4185,7 +4098,7 @@ export class Session3 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<V2SessionCompactResponses, V2SessionCompactErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<V2SessionCompactResponses, unknown, ThrowOnError>({
       url: "/api/session/{sessionID}/compact",
       ...options,
       ...params,
@@ -4217,7 +4130,7 @@ export class Session3 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<V2SessionWaitResponses, V2SessionWaitErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<V2SessionWaitResponses, unknown, ThrowOnError>({
       url: "/api/session/{sessionID}/wait",
       ...options,
       ...params,
@@ -4249,7 +4162,7 @@ export class Session3 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<V2SessionContextResponses, V2SessionContextErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<V2SessionContextResponses, unknown, ThrowOnError>({
       url: "/api/session/{sessionID}/context",
       ...options,
       ...params,
@@ -4320,7 +4233,7 @@ export class Control extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<TuiControlNextResponses, TuiControlNextErrors, ThrowOnError>({
+    return (options?.client ?? this.client).get<TuiControlNextResponses, unknown, ThrowOnError>({
       url: "/tui/control/next",
       ...options,
       ...params,
@@ -4352,7 +4265,7 @@ export class Control extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiControlResponseResponses, TuiControlResponseErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiControlResponseResponses, unknown, ThrowOnError>({
       url: "/tui/control/response",
       ...options,
       ...params,
@@ -4426,7 +4339,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenHelpResponses, TuiOpenHelpErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenHelpResponses, unknown, ThrowOnError>({
       url: "/tui/open-help",
       ...options,
       ...params,
@@ -4456,7 +4369,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenSessionsResponses, TuiOpenSessionsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenSessionsResponses, unknown, ThrowOnError>({
       url: "/tui/open-sessions",
       ...options,
       ...params,
@@ -4486,7 +4399,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenThemesResponses, TuiOpenThemesErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenThemesResponses, unknown, ThrowOnError>({
       url: "/tui/open-themes",
       ...options,
       ...params,
@@ -4516,7 +4429,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenModelsResponses, TuiOpenModelsErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenModelsResponses, unknown, ThrowOnError>({
       url: "/tui/open-models",
       ...options,
       ...params,
@@ -4546,7 +4459,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiSubmitPromptResponses, TuiSubmitPromptErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiSubmitPromptResponses, unknown, ThrowOnError>({
       url: "/tui/submit-prompt",
       ...options,
       ...params,
@@ -4576,7 +4489,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiClearPromptResponses, TuiClearPromptErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiClearPromptResponses, unknown, ThrowOnError>({
       url: "/tui/clear-prompt",
       ...options,
       ...params,
@@ -4651,7 +4564,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiShowToastResponses, TuiShowToastErrors, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiShowToastResponses, unknown, ThrowOnError>({
       url: "/tui/show-toast",
       ...options,
       ...params,
diff --git a/packages/sdk/js/src/v2/gen/types.gen.ts b/packages/sdk/js/src/v2/gen/types.gen.ts
index a40b567f8c..c0255754d9 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -3345,15 +3345,6 @@ export type GlobalHealthData = {
   url: "/global/health"
 }
 
-export type GlobalHealthErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type GlobalHealthError = GlobalHealthErrors[keyof GlobalHealthErrors]
-
 export type GlobalHealthResponses = {
   /**
    * Health information
@@ -3373,15 +3364,6 @@ export type GlobalEventData = {
   url: "/global/event"
 }
 
-export type GlobalEventErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type GlobalEventError = GlobalEventErrors[keyof GlobalEventErrors]
-
 export type GlobalEventResponses = {
   /**
    * Event stream
@@ -3398,15 +3380,6 @@ export type GlobalConfigGetData = {
   url: "/global/config"
 }
 
-export type GlobalConfigGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type GlobalConfigGetError = GlobalConfigGetErrors[keyof GlobalConfigGetErrors]
-
 export type GlobalConfigGetResponses = {
   /**
    * Get global config info
@@ -3448,15 +3421,6 @@ export type GlobalDisposeData = {
   url: "/global/dispose"
 }
 
-export type GlobalDisposeErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type GlobalDisposeError = GlobalDisposeErrors[keyof GlobalDisposeErrors]
-
 export type GlobalDisposeResponses = {
   /**
    * Global disposed
@@ -3511,15 +3475,6 @@ export type EventSubscribeData = {
   url: "/event"
 }
 
-export type EventSubscribeErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type EventSubscribeError = EventSubscribeErrors[keyof EventSubscribeErrors]
-
 export type EventSubscribeResponses = {
   /**
    * Event stream
@@ -3539,15 +3494,6 @@ export type ConfigGetData = {
   url: "/config"
 }
 
-export type ConfigGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ConfigGetError = ConfigGetErrors[keyof ConfigGetErrors]
-
 export type ConfigGetResponses = {
   /**
    * Get config info
@@ -3595,15 +3541,6 @@ export type ConfigProvidersData = {
   url: "/config/providers"
 }
 
-export type ConfigProvidersErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ConfigProvidersError = ConfigProvidersErrors[keyof ConfigProvidersErrors]
-
 export type ConfigProvidersResponses = {
   /**
    * List of providers
@@ -3628,15 +3565,6 @@ export type ExperimentalConsoleGetData = {
   url: "/experimental/console"
 }
 
-export type ExperimentalConsoleGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalConsoleGetError = ExperimentalConsoleGetErrors[keyof ExperimentalConsoleGetErrors]
-
 export type ExperimentalConsoleGetResponses = {
   /**
    * Active Console provider metadata
@@ -3656,16 +3584,6 @@ export type ExperimentalConsoleListOrgsData = {
   url: "/experimental/console/orgs"
 }
 
-export type ExperimentalConsoleListOrgsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalConsoleListOrgsError =
-  ExperimentalConsoleListOrgsErrors[keyof ExperimentalConsoleListOrgsErrors]
-
 export type ExperimentalConsoleListOrgsResponses = {
   /**
    * Switchable Console orgs
@@ -3804,15 +3722,6 @@ export type WorktreeListData = {
   url: "/experimental/worktree"
 }
 
-export type WorktreeListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type WorktreeListError = WorktreeListErrors[keyof WorktreeListErrors]
-
 export type WorktreeListResponses = {
   /**
    * List of worktree directories
@@ -3894,15 +3803,6 @@ export type ExperimentalSessionListData = {
   url: "/experimental/session"
 }
 
-export type ExperimentalSessionListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalSessionListError = ExperimentalSessionListErrors[keyof ExperimentalSessionListErrors]
-
 export type ExperimentalSessionListResponses = {
   /**
    * List of sessions
@@ -3922,15 +3822,6 @@ export type ExperimentalResourceListData = {
   url: "/experimental/resource"
 }
 
-export type ExperimentalResourceListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalResourceListError = ExperimentalResourceListErrors[keyof ExperimentalResourceListErrors]
-
 export type ExperimentalResourceListResponses = {
   /**
    * MCP resources
@@ -3954,15 +3845,6 @@ export type FindTextData = {
   url: "/find"
 }
 
-export type FindTextErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FindTextError = FindTextErrors[keyof FindTextErrors]
-
 export type FindTextResponses = {
   /**
    * Matches
@@ -4002,15 +3884,6 @@ export type FindFilesData = {
   url: "/find/file"
 }
 
-export type FindFilesErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FindFilesError = FindFilesErrors[keyof FindFilesErrors]
-
 export type FindFilesResponses = {
   /**
    * File paths
@@ -4031,15 +3904,6 @@ export type FindSymbolsData = {
   url: "/find/symbol"
 }
 
-export type FindSymbolsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FindSymbolsError = FindSymbolsErrors[keyof FindSymbolsErrors]
-
 export type FindSymbolsResponses = {
   /**
    * Symbols
@@ -4060,15 +3924,6 @@ export type FileListData = {
   url: "/file"
 }
 
-export type FileListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FileListError = FileListErrors[keyof FileListErrors]
-
 export type FileListResponses = {
   /**
    * Files and directories
@@ -4089,15 +3944,6 @@ export type FileReadData = {
   url: "/file/content"
 }
 
-export type FileReadErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FileReadError = FileReadErrors[keyof FileReadErrors]
-
 export type FileReadResponses = {
   /**
    * File content
@@ -4117,15 +3963,6 @@ export type FileStatusData = {
   url: "/file/status"
 }
 
-export type FileStatusErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FileStatusError = FileStatusErrors[keyof FileStatusErrors]
-
 export type FileStatusResponses = {
   /**
    * File status
@@ -4145,15 +3982,6 @@ export type InstanceDisposeData = {
   url: "/instance/dispose"
 }
 
-export type InstanceDisposeErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type InstanceDisposeError = InstanceDisposeErrors[keyof InstanceDisposeErrors]
-
 export type InstanceDisposeResponses = {
   /**
    * Instance disposed
@@ -4173,15 +4001,6 @@ export type PathGetData = {
   url: "/path"
 }
 
-export type PathGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type PathGetError = PathGetErrors[keyof PathGetErrors]
-
 export type PathGetResponses = {
   /**
    * Path
@@ -4201,15 +4020,6 @@ export type VcsGetData = {
   url: "/vcs"
 }
 
-export type VcsGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type VcsGetError = VcsGetErrors[keyof VcsGetErrors]
-
 export type VcsGetResponses = {
   /**
    * VCS info
@@ -4230,15 +4040,6 @@ export type VcsDiffData = {
   url: "/vcs/diff"
 }
 
-export type VcsDiffErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type VcsDiffError = VcsDiffErrors[keyof VcsDiffErrors]
-
 export type VcsDiffResponses = {
   /**
    * VCS diff
@@ -4258,15 +4059,6 @@ export type CommandListData = {
   url: "/command"
 }
 
-export type CommandListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type CommandListError = CommandListErrors[keyof CommandListErrors]
-
 export type CommandListResponses = {
   /**
    * List of commands
@@ -4286,15 +4078,6 @@ export type AppAgentsData = {
   url: "/agent"
 }
 
-export type AppAgentsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type AppAgentsError = AppAgentsErrors[keyof AppAgentsErrors]
-
 export type AppAgentsResponses = {
   /**
    * List of agents
@@ -4314,15 +4097,6 @@ export type AppSkillsData = {
   url: "/skill"
 }
 
-export type AppSkillsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type AppSkillsError = AppSkillsErrors[keyof AppSkillsErrors]
-
 export type AppSkillsResponses = {
   /**
    * List of skills
@@ -4347,15 +4121,6 @@ export type LspStatusData = {
   url: "/lsp"
 }
 
-export type LspStatusErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type LspStatusError = LspStatusErrors[keyof LspStatusErrors]
-
 export type LspStatusResponses = {
   /**
    * LSP server status
@@ -4375,15 +4140,6 @@ export type FormatterStatusData = {
   url: "/formatter"
 }
 
-export type FormatterStatusErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type FormatterStatusError = FormatterStatusErrors[keyof FormatterStatusErrors]
-
 export type FormatterStatusResponses = {
   /**
    * Formatter status
@@ -4403,15 +4159,6 @@ export type McpStatusData = {
   url: "/mcp"
 }
 
-export type McpStatusErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type McpStatusError = McpStatusErrors[keyof McpStatusErrors]
-
 export type McpStatusResponses = {
   /**
    * MCP server status
@@ -4469,10 +4216,6 @@ export type McpAuthRemoveData = {
 }
 
 export type McpAuthRemoveErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
   /**
    * Not found
    */
@@ -4506,7 +4249,7 @@ export type McpAuthStartData = {
 
 export type McpAuthStartErrors = {
   /**
-   * McpUnsupportedOAuthError | BadRequest
+   * McpUnsupportedOAuthError
    */
   400: McpUnsupportedOAuthError
   /**
@@ -4579,7 +4322,7 @@ export type McpAuthAuthenticateData = {
 
 export type McpAuthAuthenticateErrors = {
   /**
-   * McpUnsupportedOAuthError | BadRequest
+   * McpUnsupportedOAuthError
    */
   400: McpUnsupportedOAuthError
   /**
@@ -4611,15 +4354,6 @@ export type McpConnectData = {
   url: "/mcp/{name}/connect"
 }
 
-export type McpConnectErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type McpConnectError = McpConnectErrors[keyof McpConnectErrors]
-
 export type McpConnectResponses = {
   /**
    * MCP server connected successfully
@@ -4641,15 +4375,6 @@ export type McpDisconnectData = {
   url: "/mcp/{name}/disconnect"
 }
 
-export type McpDisconnectErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type McpDisconnectError = McpDisconnectErrors[keyof McpDisconnectErrors]
-
 export type McpDisconnectResponses = {
   /**
    * MCP server disconnected successfully
@@ -4669,15 +4394,6 @@ export type ProjectListData = {
   url: "/project"
 }
 
-export type ProjectListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ProjectListError = ProjectListErrors[keyof ProjectListErrors]
-
 export type ProjectListResponses = {
   /**
    * List of projects
@@ -4697,15 +4413,6 @@ export type ProjectCurrentData = {
   url: "/project/current"
 }
 
-export type ProjectCurrentErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ProjectCurrentError = ProjectCurrentErrors[keyof ProjectCurrentErrors]
-
 export type ProjectCurrentResponses = {
   /**
    * Current project information
@@ -4725,15 +4432,6 @@ export type ProjectInitGitData = {
   url: "/project/git/init"
 }
 
-export type ProjectInitGitErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ProjectInitGitError = ProjectInitGitErrors[keyof ProjectInitGitErrors]
-
 export type ProjectInitGitResponses = {
   /**
    * Project information after git initialization
@@ -4800,15 +4498,6 @@ export type PtyShellsData = {
   url: "/pty/shells"
 }
 
-export type PtyShellsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type PtyShellsError = PtyShellsErrors[keyof PtyShellsErrors]
-
 export type PtyShellsResponses = {
   /**
    * List of shells
@@ -4832,15 +4521,6 @@ export type PtyListData = {
   url: "/pty"
 }
 
-export type PtyListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type PtyListError = PtyListErrors[keyof PtyListErrors]
-
 export type PtyListResponses = {
   /**
    * List of sessions
@@ -4899,10 +4579,6 @@ export type PtyRemoveData = {
 }
 
 export type PtyRemoveErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
   /**
    * Not found
    */
@@ -4933,10 +4609,6 @@ export type PtyGetData = {
 }
 
 export type PtyGetErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
   /**
    * Not found
    */
@@ -5003,10 +4675,6 @@ export type PtyConnectTokenData = {
 }
 
 export type PtyConnectTokenErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
   /**
    * Forbidden
    */
@@ -5041,15 +4709,6 @@ export type QuestionListData = {
   url: "/question"
 }
 
-export type QuestionListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type QuestionListError = QuestionListErrors[keyof QuestionListErrors]
-
 export type QuestionListResponses = {
   /**
    * List of pending questions
@@ -5142,15 +4801,6 @@ export type PermissionListData = {
   url: "/permission"
 }
 
-export type PermissionListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type PermissionListError = PermissionListErrors[keyof PermissionListErrors]
-
 export type PermissionListResponses = {
   /**
    * List of pending permissions
@@ -5207,15 +4857,6 @@ export type ProviderListData = {
   url: "/provider"
 }
 
-export type ProviderListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ProviderListError = ProviderListErrors[keyof ProviderListErrors]
-
 export type ProviderListResponses = {
   /**
    * List of providers
@@ -5241,15 +4882,6 @@ export type ProviderAuthData = {
   url: "/provider/auth"
 }
 
-export type ProviderAuthErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ProviderAuthError2 = ProviderAuthErrors[keyof ProviderAuthErrors]
-
 export type ProviderAuthResponses = {
   /**
    * Provider auth methods
@@ -5351,15 +4983,6 @@ export type SessionListData = {
   url: "/session"
 }
 
-export type SessionListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type SessionListError = SessionListErrors[keyof SessionListErrors]
-
 export type SessionListResponses = {
   /**
    * List of sessions
@@ -5627,15 +5250,6 @@ export type SessionDiffData = {
   url: "/session/{sessionID}/diff"
 }
 
-export type SessionDiffErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type SessionDiffError = SessionDiffErrors[keyof SessionDiffErrors]
-
 export type SessionDiffResponses = {
   /**
    * Successfully retrieved diff
@@ -5823,15 +5437,6 @@ export type SessionForkData = {
   url: "/session/{sessionID}/fork"
 }
 
-export type SessionForkErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type SessionForkError = SessionForkErrors[keyof SessionForkErrors]
-
 export type SessionForkResponses = {
   /**
    * 200
@@ -6355,15 +5960,6 @@ export type SyncStartData = {
   url: "/sync/start"
 }
 
-export type SyncStartErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type SyncStartError = SyncStartErrors[keyof SyncStartErrors]
-
 export type SyncStartResponses = {
   /**
    * Workspace sync started
@@ -6527,15 +6123,6 @@ export type V2SessionPromptData = {
   url: "/api/session/{sessionID}/prompt"
 }
 
-export type V2SessionPromptErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type V2SessionPromptError = V2SessionPromptErrors[keyof V2SessionPromptErrors]
-
 export type V2SessionPromptResponses = {
   /**
    * Session.Message
@@ -6557,15 +6144,6 @@ export type V2SessionCompactData = {
   url: "/api/session/{sessionID}/compact"
 }
 
-export type V2SessionCompactErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type V2SessionCompactError = V2SessionCompactErrors[keyof V2SessionCompactErrors]
-
 export type V2SessionCompactResponses = {
   /**
    * <No Content>
@@ -6587,15 +6165,6 @@ export type V2SessionWaitData = {
   url: "/api/session/{sessionID}/wait"
 }
 
-export type V2SessionWaitErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type V2SessionWaitError = V2SessionWaitErrors[keyof V2SessionWaitErrors]
-
 export type V2SessionWaitResponses = {
   /**
    * <No Content>
@@ -6617,15 +6186,6 @@ export type V2SessionContextData = {
   url: "/api/session/{sessionID}/context"
 }
 
-export type V2SessionContextErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type V2SessionContextError = V2SessionContextErrors[keyof V2SessionContextErrors]
-
 export type V2SessionContextResponses = {
   /**
    * Success
@@ -6705,15 +6265,6 @@ export type TuiOpenHelpData = {
   url: "/tui/open-help"
 }
 
-export type TuiOpenHelpErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiOpenHelpError = TuiOpenHelpErrors[keyof TuiOpenHelpErrors]
-
 export type TuiOpenHelpResponses = {
   /**
    * Help dialog opened successfully
@@ -6733,15 +6284,6 @@ export type TuiOpenSessionsData = {
   url: "/tui/open-sessions"
 }
 
-export type TuiOpenSessionsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiOpenSessionsError = TuiOpenSessionsErrors[keyof TuiOpenSessionsErrors]
-
 export type TuiOpenSessionsResponses = {
   /**
    * Session dialog opened successfully
@@ -6761,15 +6303,6 @@ export type TuiOpenThemesData = {
   url: "/tui/open-themes"
 }
 
-export type TuiOpenThemesErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiOpenThemesError = TuiOpenThemesErrors[keyof TuiOpenThemesErrors]
-
 export type TuiOpenThemesResponses = {
   /**
    * Theme dialog opened successfully
@@ -6789,15 +6322,6 @@ export type TuiOpenModelsData = {
   url: "/tui/open-models"
 }
 
-export type TuiOpenModelsErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiOpenModelsError = TuiOpenModelsErrors[keyof TuiOpenModelsErrors]
-
 export type TuiOpenModelsResponses = {
   /**
    * Model dialog opened successfully
@@ -6817,15 +6341,6 @@ export type TuiSubmitPromptData = {
   url: "/tui/submit-prompt"
 }
 
-export type TuiSubmitPromptErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiSubmitPromptError = TuiSubmitPromptErrors[keyof TuiSubmitPromptErrors]
-
 export type TuiSubmitPromptResponses = {
   /**
    * Prompt submitted successfully
@@ -6845,15 +6360,6 @@ export type TuiClearPromptData = {
   url: "/tui/clear-prompt"
 }
 
-export type TuiClearPromptErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiClearPromptError = TuiClearPromptErrors[keyof TuiClearPromptErrors]
-
 export type TuiClearPromptResponses = {
   /**
    * Prompt cleared successfully
@@ -6908,15 +6414,6 @@ export type TuiShowToastData = {
   url: "/tui/show-toast"
 }
 
-export type TuiShowToastErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiShowToastError = TuiShowToastErrors[keyof TuiShowToastErrors]
-
 export type TuiShowToastResponses = {
   /**
    * Toast notification shown successfully
@@ -7001,15 +6498,6 @@ export type TuiControlNextData = {
   url: "/tui/control/next"
 }
 
-export type TuiControlNextErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiControlNextError = TuiControlNextErrors[keyof TuiControlNextErrors]
-
 export type TuiControlNextResponses = {
   /**
    * Next TUI request
@@ -7032,15 +6520,6 @@ export type TuiControlResponseData = {
   url: "/tui/control/response"
 }
 
-export type TuiControlResponseErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type TuiControlResponseError = TuiControlResponseErrors[keyof TuiControlResponseErrors]
-
 export type TuiControlResponseResponses = {
   /**
    * Response submitted successfully
@@ -7060,16 +6539,6 @@ export type ExperimentalWorkspaceAdapterListData = {
   url: "/experimental/workspace/adapter"
 }
 
-export type ExperimentalWorkspaceAdapterListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalWorkspaceAdapterListError =
-  ExperimentalWorkspaceAdapterListErrors[keyof ExperimentalWorkspaceAdapterListErrors]
-
 export type ExperimentalWorkspaceAdapterListResponses = {
   /**
    * Workspace adapters
@@ -7094,15 +6563,6 @@ export type ExperimentalWorkspaceListData = {
   url: "/experimental/workspace"
 }
 
-export type ExperimentalWorkspaceListErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalWorkspaceListError = ExperimentalWorkspaceListErrors[keyof ExperimentalWorkspaceListErrors]
-
 export type ExperimentalWorkspaceListResponses = {
   /**
    * Workspaces
@@ -7118,7 +6578,7 @@ export type ExperimentalWorkspaceCreateData = {
     id?: string
     type: string
     branch: string | null
-    extra: unknown | null
+    extra?: unknown | null
   }
   path?: never
   query?: {
@@ -7158,16 +6618,6 @@ export type ExperimentalWorkspaceStatusData = {
   url: "/experimental/workspace/status"
 }
 
-export type ExperimentalWorkspaceStatusErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
-}
-
-export type ExperimentalWorkspaceStatusError =
-  ExperimentalWorkspaceStatusErrors[keyof ExperimentalWorkspaceStatusErrors]
-
 export type ExperimentalWorkspaceStatusResponses = {
   /**
    * Workspace status
@@ -7215,7 +6665,7 @@ export type ExperimentalWorkspaceRemoveResponse =
 
 export type ExperimentalWorkspaceWarpData = {
   body?: {
-    id: string | null
+    id: string
     sessionID: string
   }
   path?: never
@@ -7258,10 +6708,6 @@ export type PtyConnectData = {
 }
 
 export type PtyConnectErrors = {
-  /**
-   * Bad request
-   */
-  400: BadRequestError
   /**
    * Forbidden
    */
diff --git a/packages/sdk/openapi.json b/packages/sdk/openapi.json
index 1a2f1e9475..db8889f1a4 100644
--- a/packages/sdk/openapi.json
+++ b/packages/sdk/openapi.json
@@ -218,16 +218,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get health information about the OpenCode server.",
@@ -255,16 +245,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Subscribe to global events from the OpenCode system using server-sent events.",
@@ -292,16 +272,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the current global OpenCode configuration settings and preferences.",
@@ -374,16 +344,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Clean up and dispose all OpenCode instances, releasing all resources.",
@@ -510,16 +470,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get events",
@@ -564,16 +514,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the current OpenCode configuration settings and preferences.",
@@ -696,16 +636,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all configured AI providers and their default models.",
@@ -750,16 +680,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get the active Console org name and the set of provider IDs managed by that Console org.",
@@ -837,16 +757,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get the available Console orgs across logged-in accounts, including the current active org.",
@@ -1083,16 +993,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "List all sandbox worktrees for the current project.",
@@ -1392,16 +1292,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all OpenCode sessions across projects, sorted by most recently updated. Archived sessions are excluded by default.",
@@ -1450,16 +1340,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get all available MCP resources from connected servers. Optionally filter by name.",
@@ -1576,16 +1456,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Search for text patterns across files in the project using ripgrep.",
@@ -1670,16 +1540,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Search for files or directories by name or pattern in the project directory.",
@@ -1736,16 +1596,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Search for workspace symbols like functions, classes, and variables using LSP.",
@@ -1802,16 +1652,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "List files and directories in a specified path.",
@@ -1864,16 +1704,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Read the content of a specified file.",
@@ -1922,16 +1752,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get the git status of all files in the project.",
@@ -1977,16 +1797,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Clean up and dispose the current OpenCode instance, releasing all resources.",
@@ -2031,16 +1841,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the current working directory and related path information for the OpenCode instance.",
@@ -2085,16 +1885,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve version control system (VCS) information for the current project, such as git branch.",
@@ -2152,16 +1942,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the current git diff for the working tree or against the default branch.",
@@ -2210,16 +1990,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all available commands in the OpenCode system.",
@@ -2268,16 +2038,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all available AI agents in the OpenCode system.",
@@ -2342,16 +2102,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all available skills in the OpenCode system.",
@@ -2400,16 +2150,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get LSP server status",
@@ -2458,16 +2198,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get formatter status",
@@ -2516,16 +2246,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get the status of all Model Context Protocol (MCP) servers.",
@@ -2673,7 +2393,7 @@
             }
           },
           "400": {
-            "description": "McpUnsupportedOAuthError | BadRequest",
+            "description": "McpUnsupportedOAuthError",
             "content": {
               "application/json": {
                 "schema": {
@@ -2751,16 +2471,6 @@
               }
             }
           },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
-          },
           "404": {
             "description": "Not found",
             "content": {
@@ -2912,7 +2622,7 @@
             }
           },
           "400": {
-            "description": "McpUnsupportedOAuthError | BadRequest",
+            "description": "McpUnsupportedOAuthError",
             "content": {
               "application/json": {
                 "schema": {
@@ -2983,16 +2693,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Connect an MCP server.",
@@ -3045,16 +2745,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Disconnect an MCP server.",
@@ -3102,16 +2792,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of projects that have been opened with OpenCode.",
@@ -3156,16 +2836,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the currently active project that OpenCode is working with.",
@@ -3210,16 +2880,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Create a git repository for the current project and return the refreshed project info.",
@@ -3393,16 +3053,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of available shells on the system.",
@@ -3451,16 +3101,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all active pseudo-terminal (PTY) sessions managed by OpenCode.",
@@ -3600,16 +3240,6 @@
               }
             }
           },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
-          },
           "404": {
             "description": "Not found",
             "content": {
@@ -3763,16 +3393,6 @@
               }
             }
           },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
-          },
           "404": {
             "description": "Not found",
             "content": {
@@ -3848,16 +3468,6 @@
               }
             }
           },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
-          },
           "403": {
             "description": "Forbidden",
             "content": {
@@ -3925,16 +3535,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get all pending question requests across all sessions.",
@@ -4151,16 +3751,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get all pending permission requests across all sessions.",
@@ -4322,16 +3912,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all available AI providers, including both available and connected ones.",
@@ -4383,16 +3963,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve available authentication methods for all AI providers.",
@@ -4666,16 +4236,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get a list of all OpenCode sessions, sorted by most recently updated.",
@@ -5292,16 +4852,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get the file changes (diff) that resulted from a specific user message in the session.",
@@ -5792,16 +5342,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Create a new session by forking an existing session at a specific message point.",
@@ -7128,16 +6668,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Start sync loops for workspaces in the current project that have active sessions.",
@@ -7519,16 +7049,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Create a v2 session message and queue it for the agent loop.",
@@ -7594,16 +7114,6 @@
         "responses": {
           "204": {
             "description": "<No Content>"
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Compact a v2 session conversation.",
@@ -7650,16 +7160,6 @@
         "responses": {
           "204": {
             "description": "<No Content>"
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Wait for a v2 session agent loop to become idle.",
@@ -7716,16 +7216,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the active context messages for a v2 session (all messages after the last compaction).",
@@ -7905,16 +7395,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Open the help dialog in the TUI to display user assistance information.",
@@ -7960,16 +7440,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Open the session dialog.",
@@ -8015,16 +7485,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Open the theme dialog.",
@@ -8070,16 +7530,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Open the model dialog.",
@@ -8125,16 +7575,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Submit the prompt.",
@@ -8180,16 +7620,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Clear the prompt.",
@@ -8306,16 +7736,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Show a toast notification in the TUI.",
@@ -8555,16 +7975,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Retrieve the next TUI request from the queue for processing.",
@@ -8610,16 +8020,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Submit a response to the TUI request queue to complete a pending request.",
@@ -8688,16 +8088,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "List all available workspace adapters for the current project.",
@@ -8746,16 +8136,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "List all workspaces.",
@@ -8843,7 +8223,7 @@
                     ]
                   }
                 },
-                "required": ["type", "branch", "extra"],
+                "required": ["type", "branch"],
                 "additionalProperties": false
               }
             }
@@ -8904,16 +8284,6 @@
                 }
               }
             }
-          },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
           }
         },
         "description": "Get connection status for workspaces in the current project.",
@@ -9098,16 +8468,6 @@
               }
             }
           },
-          "400": {
-            "description": "Bad request",
-            "content": {
-              "application/json": {
-                "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
-                }
-              }
-            }
-          },
           "403": {
             "description": "Forbidden",
             "content": {