diff --git a/packages/opencode/src/server/routes/instance/httpapi/middleware/workspace-routing.ts b/packages/opencode/src/server/routes/instance/httpapi/middleware/workspace-routing.ts
index 229792b8e2..4d3f510514 100644
--- a/packages/opencode/src/server/routes/instance/httpapi/middleware/workspace-routing.ts
+++ b/packages/opencode/src/server/routes/instance/httpapi/middleware/workspace-routing.ts
@@ -71,7 +71,10 @@ function selectedWorkspaceID(url: URL, sessionWorkspaceID?: WorkspaceID): Worksp
   return sessionWorkspaceID ?? (workspaceParam ? WorkspaceID.make(workspaceParam) : undefined)
 }
 
-function selectedV2WorkspaceID(url: URL, sessionWorkspaceID?: WorkspaceID): WorkspaceID | typeof InvalidWorkspaceID | undefined {
+function selectedV2WorkspaceID(
+  url: URL,
+  sessionWorkspaceID?: WorkspaceID,
+): WorkspaceID | typeof InvalidWorkspaceID | undefined {
   if (sessionWorkspaceID) return sessionWorkspaceID
   const workspaceParam = url.searchParams.get("workspace")
   if (!workspaceParam) return undefined
diff --git a/packages/opencode/test/server/httpapi-session.test.ts b/packages/opencode/test/server/httpapi-session.test.ts
index d802a9b335..61bc3e8f27 100644
--- a/packages/opencode/test/server/httpapi-session.test.ts
+++ b/packages/opencode/test/server/httpapi-session.test.ts
@@ -361,7 +361,9 @@ describe("session HttpApi", () => {
           message: "Invalid cursor",
         })
 
-        const mismatchedRouting = yield* request(`/api/session?cursor=${sessionCursor}&directory=/elsewhere`, { headers })
+        const mismatchedRouting = yield* request(`/api/session?cursor=${sessionCursor}&directory=/elsewhere`, {
+          headers,
+        })
         expect(mismatchedRouting.status).toBe(400)
         expect(yield* responseJson(mismatchedRouting)).toMatchObject({
           _tag: "InvalidCursorError",
diff --git a/packages/sdk/js/src/v2/gen/sdk.gen.ts b/packages/sdk/js/src/v2/gen/sdk.gen.ts
index ddbcd30920..f86a6d1050 100644
--- a/packages/sdk/js/src/v2/gen/sdk.gen.ts
+++ b/packages/sdk/js/src/v2/gen/sdk.gen.ts
@@ -4,18 +4,23 @@ 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,
@@ -29,36 +34,55 @@ import type {
   ExperimentalConsoleListOrgsErrors,
   ExperimentalConsoleListOrgsResponses,
   ExperimentalConsoleSwitchOrgResponses,
+  ExperimentalResourceListErrors,
   ExperimentalResourceListResponses,
+  ExperimentalSessionListErrors,
   ExperimentalSessionListResponses,
+  ExperimentalWorkspaceAdapterListErrors,
   ExperimentalWorkspaceAdapterListResponses,
   ExperimentalWorkspaceCreateErrors,
   ExperimentalWorkspaceCreateResponses,
+  ExperimentalWorkspaceListErrors,
   ExperimentalWorkspaceListResponses,
   ExperimentalWorkspaceRemoveErrors,
   ExperimentalWorkspaceRemoveResponses,
+  ExperimentalWorkspaceStatusErrors,
   ExperimentalWorkspaceStatusResponses,
+  ExperimentalWorkspaceSyncListErrors,
   ExperimentalWorkspaceSyncListResponses,
   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,
@@ -70,10 +94,13 @@ import type {
   McpAuthRemoveResponses,
   McpAuthStartErrors,
   McpAuthStartResponses,
+  McpConnectErrors,
   McpConnectResponses,
+  McpDisconnectErrors,
   McpDisconnectResponses,
   McpLocalConfig,
   McpRemoteConfig,
+  McpStatusErrors,
   McpStatusResponses,
   OutputFormat,
   Part as Part2,
@@ -81,20 +108,27 @@ 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,
@@ -108,13 +142,16 @@ import type {
   PtyCreateResponses,
   PtyGetErrors,
   PtyGetResponses,
+  PtyListErrors,
   PtyListResponses,
   PtyRemoveErrors,
   PtyRemoveResponses,
+  PtyShellsErrors,
   PtyShellsResponses,
   PtyUpdateErrors,
   PtyUpdateResponses,
   QuestionAnswer,
+  QuestionListErrors,
   QuestionListResponses,
   QuestionRejectErrors,
   QuestionRejectResponses,
@@ -133,6 +170,7 @@ import type {
   SessionDeleteMessageResponses,
   SessionDeleteResponses,
   SessionDelivery,
+  SessionDiffErrors,
   SessionDiffResponses,
   SessionForkErrors,
   SessionForkResponses,
@@ -140,6 +178,7 @@ import type {
   SessionGetResponses,
   SessionInitErrors,
   SessionInitResponses,
+  SessionListErrors,
   SessionListResponses,
   SessionMessageErrors,
   SessionMessageResponses,
@@ -172,6 +211,7 @@ import type {
   SyncHistoryListResponses,
   SyncReplayErrors,
   SyncReplayResponses,
+  SyncStartErrors,
   SyncStartResponses,
   SyncStealErrors,
   SyncStealResponses,
@@ -182,20 +222,29 @@ 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,
   V2ModelListErrors,
   V2ModelListResponses,
@@ -217,9 +266,13 @@ import type {
   V2SessionWaitResponses,
   VcsApplyErrors,
   VcsApplyResponses,
+  VcsDiffErrors,
+  VcsDiffRawErrors,
   VcsDiffRawResponses,
   VcsDiffResponses,
+  VcsGetErrors,
   VcsGetResponses,
+  VcsStatusErrors,
   VcsStatusResponses,
   WorktreeCreateErrors,
   WorktreeCreateInput,
@@ -402,7 +455,7 @@ export class App extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<AppAgentsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<AppAgentsResponses, AppAgentsErrors, ThrowOnError>({
       url: "/agent",
       ...options,
       ...params,
@@ -432,7 +485,7 @@ export class App extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<AppSkillsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<AppSkillsResponses, AppSkillsErrors, ThrowOnError>({
       url: "/skill",
       ...options,
       ...params,
@@ -447,7 +500,7 @@ 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, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<GlobalConfigGetResponses, GlobalConfigGetErrors, ThrowOnError>({
       url: "/global/config",
       ...options,
     })
@@ -485,7 +538,7 @@ 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, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<GlobalHealthResponses, GlobalHealthErrors, ThrowOnError>({
       url: "/global/health",
       ...options,
     })
@@ -497,7 +550,7 @@ 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, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).sse.get<GlobalEventResponses, GlobalEventErrors, ThrowOnError>({
       url: "/global/event",
       ...options,
     })
@@ -509,7 +562,7 @@ 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, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<GlobalDisposeResponses, GlobalDisposeErrors, ThrowOnError>({
       url: "/global/dispose",
       ...options,
     })
@@ -601,7 +654,7 @@ export class Config2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ConfigGetResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ConfigGetResponses, ConfigGetErrors, ThrowOnError>({
       url: "/config",
       ...options,
       ...params,
@@ -668,7 +721,7 @@ export class Config2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ConfigProvidersResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ConfigProvidersResponses, ConfigProvidersErrors, ThrowOnError>({
       url: "/config/providers",
       ...options,
       ...params,
@@ -821,7 +874,11 @@ export class Session extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ExperimentalSessionListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<
+      ExperimentalSessionListResponses,
+      ExperimentalSessionListErrors,
+      ThrowOnError
+    >({
       url: "/experimental/session",
       ...options,
       ...params,
@@ -853,7 +910,11 @@ export class Resource extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ExperimentalResourceListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<
+      ExperimentalResourceListResponses,
+      ExperimentalResourceListErrors,
+      ThrowOnError
+    >({
       url: "/experimental/resource",
       ...options,
       ...params,
@@ -885,7 +946,11 @@ export class Adapter extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ExperimentalWorkspaceAdapterListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<
+      ExperimentalWorkspaceAdapterListResponses,
+      ExperimentalWorkspaceAdapterListErrors,
+      ThrowOnError
+    >({
       url: "/experimental/workspace/adapter",
       ...options,
       ...params,
@@ -917,7 +982,11 @@ export class Workspace extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ExperimentalWorkspaceListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<
+      ExperimentalWorkspaceListResponses,
+      ExperimentalWorkspaceListErrors,
+      ThrowOnError
+    >({
       url: "/experimental/workspace",
       ...options,
       ...params,
@@ -994,7 +1063,11 @@ export class Workspace extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<ExperimentalWorkspaceSyncListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<
+      ExperimentalWorkspaceSyncListResponses,
+      ExperimentalWorkspaceSyncListErrors,
+      ThrowOnError
+    >({
       url: "/experimental/workspace/sync-list",
       ...options,
       ...params,
@@ -1024,7 +1097,11 @@ export class Workspace extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ExperimentalWorkspaceStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<
+      ExperimentalWorkspaceStatusResponses,
+      ExperimentalWorkspaceStatusErrors,
+      ThrowOnError
+    >({
       url: "/experimental/workspace/status",
       ...options,
       ...params,
@@ -1375,7 +1452,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindTextResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindTextResponses, FindTextErrors, ThrowOnError>({
       url: "/find",
       ...options,
       ...params,
@@ -1413,7 +1490,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindFilesResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindFilesResponses, FindFilesErrors, ThrowOnError>({
       url: "/find/file",
       ...options,
       ...params,
@@ -1445,7 +1522,7 @@ export class Find extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FindSymbolsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FindSymbolsResponses, FindSymbolsErrors, ThrowOnError>({
       url: "/find/symbol",
       ...options,
       ...params,
@@ -1479,7 +1556,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileListResponses, FileListErrors, ThrowOnError>({
       url: "/file",
       ...options,
       ...params,
@@ -1511,7 +1588,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileReadResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileReadResponses, FileReadErrors, ThrowOnError>({
       url: "/file/content",
       ...options,
       ...params,
@@ -1541,7 +1618,7 @@ export class File extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FileStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FileStatusResponses, FileStatusErrors, ThrowOnError>({
       url: "/file/status",
       ...options,
       ...params,
@@ -1573,7 +1650,7 @@ export class Instance extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<InstanceDisposeResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<InstanceDisposeResponses, InstanceDisposeErrors, ThrowOnError>({
       url: "/instance/dispose",
       ...options,
       ...params,
@@ -1605,7 +1682,7 @@ export class Path extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PathGetResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<PathGetResponses, PathGetErrors, ThrowOnError>({
       url: "/path",
       ...options,
       ...params,
@@ -1637,7 +1714,7 @@ export class Diff extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsDiffRawResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsDiffRawResponses, VcsDiffRawErrors, ThrowOnError>({
       url: "/vcs/diff/raw",
       ...options,
       ...params,
@@ -1669,7 +1746,7 @@ export class Vcs extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsGetResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsGetResponses, VcsGetErrors, ThrowOnError>({
       url: "/vcs",
       ...options,
       ...params,
@@ -1699,7 +1776,7 @@ export class Vcs extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsStatusResponses, VcsStatusErrors, ThrowOnError>({
       url: "/vcs/status",
       ...options,
       ...params,
@@ -1731,7 +1808,7 @@ export class Vcs extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<VcsDiffResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<VcsDiffResponses, VcsDiffErrors, ThrowOnError>({
       url: "/vcs/diff",
       ...options,
       ...params,
@@ -1805,7 +1882,7 @@ export class Command extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<CommandListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<CommandListResponses, CommandListErrors, ThrowOnError>({
       url: "/command",
       ...options,
       ...params,
@@ -1837,7 +1914,7 @@ export class Lsp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<LspStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<LspStatusResponses, LspStatusErrors, ThrowOnError>({
       url: "/lsp",
       ...options,
       ...params,
@@ -1869,7 +1946,7 @@ export class Formatter extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<FormatterStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<FormatterStatusResponses, FormatterStatusErrors, ThrowOnError>({
       url: "/formatter",
       ...options,
       ...params,
@@ -2040,7 +2117,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<McpStatusResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<McpStatusResponses, McpStatusErrors, ThrowOnError>({
       url: "/mcp",
       ...options,
       ...params,
@@ -2109,7 +2186,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<McpConnectResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<McpConnectResponses, McpConnectErrors, ThrowOnError>({
       url: "/mcp/{name}/connect",
       ...options,
       ...params,
@@ -2139,7 +2216,7 @@ export class Mcp extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<McpDisconnectResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<McpDisconnectResponses, McpDisconnectErrors, ThrowOnError>({
       url: "/mcp/{name}/disconnect",
       ...options,
       ...params,
@@ -2176,7 +2253,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProjectListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProjectListResponses, ProjectListErrors, ThrowOnError>({
       url: "/project",
       ...options,
       ...params,
@@ -2206,7 +2283,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProjectCurrentResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProjectCurrentResponses, ProjectCurrentErrors, ThrowOnError>({
       url: "/project/current",
       ...options,
       ...params,
@@ -2236,7 +2313,7 @@ export class Project extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<ProjectInitGitResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<ProjectInitGitResponses, ProjectInitGitErrors, ThrowOnError>({
       url: "/project/git/init",
       ...options,
       ...params,
@@ -2320,7 +2397,7 @@ export class Pty extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PtyShellsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<PtyShellsResponses, PtyShellsErrors, ThrowOnError>({
       url: "/pty/shells",
       ...options,
       ...params,
@@ -2350,7 +2427,7 @@ export class Pty extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PtyListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<PtyListResponses, PtyListErrors, ThrowOnError>({
       url: "/pty",
       ...options,
       ...params,
@@ -2601,7 +2678,7 @@ export class Question extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<QuestionListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<QuestionListResponses, QuestionListErrors, ThrowOnError>({
       url: "/question",
       ...options,
       ...params,
@@ -2704,7 +2781,7 @@ export class Permission extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<PermissionListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<PermissionListResponses, PermissionListErrors, ThrowOnError>({
       url: "/permission",
       ...options,
       ...params,
@@ -2914,7 +2991,7 @@ export class Provider extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProviderListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProviderListResponses, ProviderListErrors, ThrowOnError>({
       url: "/provider",
       ...options,
       ...params,
@@ -2944,7 +3021,7 @@ export class Provider extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<ProviderAuthResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<ProviderAuthResponses, ProviderAuthErrors, ThrowOnError>({
       url: "/provider/auth",
       ...options,
       ...params,
@@ -2993,7 +3070,7 @@ export class Session2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<SessionListResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<SessionListResponses, SessionListErrors, ThrowOnError>({
       url: "/session",
       ...options,
       ...params,
@@ -3281,7 +3358,7 @@ export class Session2 extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<SessionDiffResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<SessionDiffResponses, SessionDiffErrors, ThrowOnError>({
       url: "/session/{sessionID}/diff",
       ...options,
       ...params,
@@ -4059,7 +4136,7 @@ export class Sync extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<SyncStartResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<SyncStartResponses, SyncStartErrors, ThrowOnError>({
       url: "/sync/start",
       ...options,
       ...params,
@@ -4507,7 +4584,7 @@ export class Control extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).get<TuiControlNextResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).get<TuiControlNextResponses, TuiControlNextErrors, ThrowOnError>({
       url: "/tui/control/next",
       ...options,
       ...params,
@@ -4539,7 +4616,7 @@ export class Control extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiControlResponseResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiControlResponseResponses, TuiControlResponseErrors, ThrowOnError>({
       url: "/tui/control/response",
       ...options,
       ...params,
@@ -4613,7 +4690,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenHelpResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenHelpResponses, TuiOpenHelpErrors, ThrowOnError>({
       url: "/tui/open-help",
       ...options,
       ...params,
@@ -4643,7 +4720,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenSessionsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenSessionsResponses, TuiOpenSessionsErrors, ThrowOnError>({
       url: "/tui/open-sessions",
       ...options,
       ...params,
@@ -4673,7 +4750,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenThemesResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenThemesResponses, TuiOpenThemesErrors, ThrowOnError>({
       url: "/tui/open-themes",
       ...options,
       ...params,
@@ -4703,7 +4780,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiOpenModelsResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiOpenModelsResponses, TuiOpenModelsErrors, ThrowOnError>({
       url: "/tui/open-models",
       ...options,
       ...params,
@@ -4733,7 +4810,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiSubmitPromptResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiSubmitPromptResponses, TuiSubmitPromptErrors, ThrowOnError>({
       url: "/tui/submit-prompt",
       ...options,
       ...params,
@@ -4763,7 +4840,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiClearPromptResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiClearPromptResponses, TuiClearPromptErrors, ThrowOnError>({
       url: "/tui/clear-prompt",
       ...options,
       ...params,
@@ -4838,7 +4915,7 @@ export class Tui extends HeyApiClient {
         },
       ],
     )
-    return (options?.client ?? this.client).post<TuiShowToastResponses, unknown, ThrowOnError>({
+    return (options?.client ?? this.client).post<TuiShowToastResponses, TuiShowToastErrors, 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 d0a82a5b0f..b5a4b97cc8 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -108,6 +108,13 @@ export type EffectHttpApiErrorBadRequest = {
   _tag: "BadRequest"
 }
 
+export type InvalidRequestError = {
+  _tag: "InvalidRequestError"
+  message: string
+  kind?: string
+  field?: string
+}
+
 export type EventTuiPromptAppend = {
   id: string
   type: "tui.prompt.append"
@@ -1798,6 +1805,16 @@ export type V2SessionsResponse = {
   }
 }
 
+export type InvalidCursorError = {
+  _tag: "InvalidCursorError"
+  message: string
+}
+
+export type UnauthorizedError = {
+  _tag: "UnauthorizedError"
+  message: string
+}
+
 export type V2SessionMessagesResponse = {
   items: Array<SessionMessage>
   cursor: {
@@ -3685,9 +3702,9 @@ export type AuthRemoveData = {
 
 export type AuthRemoveErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type AuthRemoveError = AuthRemoveErrors[keyof AuthRemoveErrors]
@@ -3712,9 +3729,9 @@ export type AuthSetData = {
 
 export type AuthSetErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type AuthSetError = AuthSetErrors[keyof AuthSetErrors]
@@ -3756,9 +3773,9 @@ export type AppLogData = {
 
 export type AppLogErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type AppLogError = AppLogErrors[keyof AppLogErrors]
@@ -3779,6 +3796,15 @@ export type GlobalHealthData = {
   url: "/global/health"
 }
 
+export type GlobalHealthErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type GlobalHealthError = GlobalHealthErrors[keyof GlobalHealthErrors]
+
 export type GlobalHealthResponses = {
   /**
    * Health information
@@ -3798,6 +3824,15 @@ export type GlobalEventData = {
   url: "/global/event"
 }
 
+export type GlobalEventErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type GlobalEventError = GlobalEventErrors[keyof GlobalEventErrors]
+
 export type GlobalEventResponses = {
   /**
    * Event stream
@@ -3814,6 +3849,15 @@ 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
@@ -3832,9 +3876,9 @@ export type GlobalConfigUpdateData = {
 
 export type GlobalConfigUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type GlobalConfigUpdateError = GlobalConfigUpdateErrors[keyof GlobalConfigUpdateErrors]
@@ -3855,6 +3899,15 @@ export type GlobalDisposeData = {
   url: "/global/dispose"
 }
 
+export type GlobalDisposeErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type GlobalDisposeError = GlobalDisposeErrors[keyof GlobalDisposeErrors]
+
 export type GlobalDisposeResponses = {
   /**
    * Global disposed
@@ -3875,9 +3928,9 @@ export type GlobalUpgradeData = {
 
 export type GlobalUpgradeErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type GlobalUpgradeError = GlobalUpgradeErrors[keyof GlobalUpgradeErrors]
@@ -3928,6 +3981,15 @@ export type ConfigGetData = {
   url: "/config"
 }
 
+export type ConfigGetErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ConfigGetError = ConfigGetErrors[keyof ConfigGetErrors]
+
 export type ConfigGetResponses = {
   /**
    * Get config info
@@ -3949,9 +4011,9 @@ export type ConfigUpdateData = {
 
 export type ConfigUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type ConfigUpdateError = ConfigUpdateErrors[keyof ConfigUpdateErrors]
@@ -3975,6 +4037,15 @@ 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
@@ -4000,6 +4071,10 @@ export type ExperimentalConsoleGetData = {
 }
 
 export type ExperimentalConsoleGetErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * InternalServerError
    */
@@ -4028,6 +4103,10 @@ export type ExperimentalConsoleListOrgsData = {
 }
 
 export type ExperimentalConsoleListOrgsErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * InternalServerError
    */
@@ -4093,9 +4172,9 @@ export type ToolListData = {
 
 export type ToolListErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type ToolListError = ToolListErrors[keyof ToolListErrors]
@@ -4121,9 +4200,9 @@ export type ToolIdsData = {
 
 export type ToolIdsErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type ToolIdsError = ToolIdsErrors[keyof ToolIdsErrors]
@@ -4149,9 +4228,9 @@ export type WorktreeRemoveData = {
 
 export type WorktreeRemoveErrors = {
   /**
-   * WorktreeError
+   * WorktreeError | InvalidRequestError
    */
-  400: WorktreeError
+  400: WorktreeError | InvalidRequestError
 }
 
 export type WorktreeRemoveError = WorktreeRemoveErrors[keyof WorktreeRemoveErrors]
@@ -4177,9 +4256,9 @@ export type WorktreeListData = {
 
 export type WorktreeListErrors = {
   /**
-   * WorktreeError
+   * WorktreeError | InvalidRequestError
    */
-  400: WorktreeError
+  400: WorktreeError | InvalidRequestError
 }
 
 export type WorktreeListError = WorktreeListErrors[keyof WorktreeListErrors]
@@ -4205,9 +4284,9 @@ export type WorktreeCreateData = {
 
 export type WorktreeCreateErrors = {
   /**
-   * WorktreeError
+   * WorktreeError | InvalidRequestError
    */
-  400: WorktreeError
+  400: WorktreeError | InvalidRequestError
 }
 
 export type WorktreeCreateError = WorktreeCreateErrors[keyof WorktreeCreateErrors]
@@ -4233,9 +4312,9 @@ export type WorktreeResetData = {
 
 export type WorktreeResetErrors = {
   /**
-   * WorktreeError
+   * WorktreeError | InvalidRequestError
    */
-  400: WorktreeError
+  400: WorktreeError | InvalidRequestError
 }
 
 export type WorktreeResetError = WorktreeResetErrors[keyof WorktreeResetErrors]
@@ -4265,6 +4344,15 @@ 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
@@ -4284,6 +4372,15 @@ export type ExperimentalResourceListData = {
   url: "/experimental/resource"
 }
 
+export type ExperimentalResourceListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ExperimentalResourceListError = ExperimentalResourceListErrors[keyof ExperimentalResourceListErrors]
+
 export type ExperimentalResourceListResponses = {
   /**
    * MCP resources
@@ -4307,6 +4404,15 @@ export type FindTextData = {
   url: "/find"
 }
 
+export type FindTextErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FindTextError = FindTextErrors[keyof FindTextErrors]
+
 export type FindTextResponses = {
   /**
    * Matches
@@ -4346,6 +4452,15 @@ export type FindFilesData = {
   url: "/find/file"
 }
 
+export type FindFilesErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FindFilesError = FindFilesErrors[keyof FindFilesErrors]
+
 export type FindFilesResponses = {
   /**
    * File paths
@@ -4366,6 +4481,15 @@ export type FindSymbolsData = {
   url: "/find/symbol"
 }
 
+export type FindSymbolsErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FindSymbolsError = FindSymbolsErrors[keyof FindSymbolsErrors]
+
 export type FindSymbolsResponses = {
   /**
    * Symbols
@@ -4386,6 +4510,15 @@ export type FileListData = {
   url: "/file"
 }
 
+export type FileListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FileListError = FileListErrors[keyof FileListErrors]
+
 export type FileListResponses = {
   /**
    * Files and directories
@@ -4406,6 +4539,15 @@ export type FileReadData = {
   url: "/file/content"
 }
 
+export type FileReadErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FileReadError = FileReadErrors[keyof FileReadErrors]
+
 export type FileReadResponses = {
   /**
    * File content
@@ -4425,6 +4567,15 @@ export type FileStatusData = {
   url: "/file/status"
 }
 
+export type FileStatusErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FileStatusError = FileStatusErrors[keyof FileStatusErrors]
+
 export type FileStatusResponses = {
   /**
    * File status
@@ -4444,6 +4595,15 @@ export type InstanceDisposeData = {
   url: "/instance/dispose"
 }
 
+export type InstanceDisposeErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type InstanceDisposeError = InstanceDisposeErrors[keyof InstanceDisposeErrors]
+
 export type InstanceDisposeResponses = {
   /**
    * Instance disposed
@@ -4463,6 +4623,15 @@ export type PathGetData = {
   url: "/path"
 }
 
+export type PathGetErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type PathGetError = PathGetErrors[keyof PathGetErrors]
+
 export type PathGetResponses = {
   /**
    * Path
@@ -4482,6 +4651,15 @@ export type VcsGetData = {
   url: "/vcs"
 }
 
+export type VcsGetErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type VcsGetError = VcsGetErrors[keyof VcsGetErrors]
+
 export type VcsGetResponses = {
   /**
    * VCS info
@@ -4501,6 +4679,15 @@ export type VcsStatusData = {
   url: "/vcs/status"
 }
 
+export type VcsStatusErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type VcsStatusError = VcsStatusErrors[keyof VcsStatusErrors]
+
 export type VcsStatusResponses = {
   /**
    * VCS status
@@ -4521,6 +4708,15 @@ export type VcsDiffData = {
   url: "/vcs/diff"
 }
 
+export type VcsDiffErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type VcsDiffError = VcsDiffErrors[keyof VcsDiffErrors]
+
 export type VcsDiffResponses = {
   /**
    * VCS diff
@@ -4540,6 +4736,15 @@ export type VcsDiffRawData = {
   url: "/vcs/diff/raw"
 }
 
+export type VcsDiffRawErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type VcsDiffRawError = VcsDiffRawErrors[keyof VcsDiffRawErrors]
+
 export type VcsDiffRawResponses = {
   /**
    * Raw VCS diff
@@ -4563,9 +4768,9 @@ export type VcsApplyData = {
 
 export type VcsApplyErrors = {
   /**
-   * VcsApplyError
+   * VcsApplyError | InvalidRequestError
    */
-  400: VcsApplyError
+  400: VcsApplyError | InvalidRequestError
 }
 
 export type VcsApplyError2 = VcsApplyErrors[keyof VcsApplyErrors]
@@ -4591,6 +4796,15 @@ export type CommandListData = {
   url: "/command"
 }
 
+export type CommandListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type CommandListError = CommandListErrors[keyof CommandListErrors]
+
 export type CommandListResponses = {
   /**
    * List of commands
@@ -4610,6 +4824,15 @@ export type AppAgentsData = {
   url: "/agent"
 }
 
+export type AppAgentsErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type AppAgentsError = AppAgentsErrors[keyof AppAgentsErrors]
+
 export type AppAgentsResponses = {
   /**
    * List of agents
@@ -4629,6 +4852,15 @@ export type AppSkillsData = {
   url: "/skill"
 }
 
+export type AppSkillsErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type AppSkillsError = AppSkillsErrors[keyof AppSkillsErrors]
+
 export type AppSkillsResponses = {
   /**
    * List of skills
@@ -4653,6 +4885,15 @@ export type LspStatusData = {
   url: "/lsp"
 }
 
+export type LspStatusErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type LspStatusError = LspStatusErrors[keyof LspStatusErrors]
+
 export type LspStatusResponses = {
   /**
    * LSP server status
@@ -4672,6 +4913,15 @@ export type FormatterStatusData = {
   url: "/formatter"
 }
 
+export type FormatterStatusErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type FormatterStatusError = FormatterStatusErrors[keyof FormatterStatusErrors]
+
 export type FormatterStatusResponses = {
   /**
    * Formatter status
@@ -4691,6 +4941,15 @@ export type McpStatusData = {
   url: "/mcp"
 }
 
+export type McpStatusErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type McpStatusError = McpStatusErrors[keyof McpStatusErrors]
+
 export type McpStatusResponses = {
   /**
    * MCP server status
@@ -4717,9 +4976,9 @@ export type McpAddData = {
 
 export type McpAddErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type McpAddError = McpAddErrors[keyof McpAddErrors]
@@ -4748,6 +5007,10 @@ export type McpAuthRemoveData = {
 }
 
 export type McpAuthRemoveErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * Not found
    */
@@ -4781,9 +5044,9 @@ export type McpAuthStartData = {
 
 export type McpAuthStartErrors = {
   /**
-   * McpUnsupportedOAuthError
+   * McpUnsupportedOAuthError | InvalidRequestError
    */
-  400: McpUnsupportedOAuthError
+  400: McpUnsupportedOAuthError | InvalidRequestError
   /**
    * Not found
    */
@@ -4820,9 +5083,9 @@ export type McpAuthCallbackData = {
 
 export type McpAuthCallbackErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * Not found
    */
@@ -4854,9 +5117,9 @@ export type McpAuthAuthenticateData = {
 
 export type McpAuthAuthenticateErrors = {
   /**
-   * McpUnsupportedOAuthError
+   * McpUnsupportedOAuthError | InvalidRequestError
    */
-  400: McpUnsupportedOAuthError
+  400: McpUnsupportedOAuthError | InvalidRequestError
   /**
    * Not found
    */
@@ -4886,6 +5149,15 @@ 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
@@ -4907,6 +5179,15 @@ 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
@@ -4926,6 +5207,15 @@ export type ProjectListData = {
   url: "/project"
 }
 
+export type ProjectListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ProjectListError = ProjectListErrors[keyof ProjectListErrors]
+
 export type ProjectListResponses = {
   /**
    * List of projects
@@ -4945,6 +5235,15 @@ 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
@@ -4964,6 +5263,15 @@ 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
@@ -5000,9 +5308,9 @@ export type ProjectUpdateData = {
 
 export type ProjectUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * Not found
    */
@@ -5030,6 +5338,15 @@ 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
@@ -5053,6 +5370,15 @@ export type PtyListData = {
   url: "/pty"
 }
 
+export type PtyListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type PtyListError = PtyListErrors[keyof PtyListErrors]
+
 export type PtyListResponses = {
   /**
    * List of sessions
@@ -5082,9 +5408,9 @@ export type PtyCreateData = {
 
 export type PtyCreateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type PtyCreateError = PtyCreateErrors[keyof PtyCreateErrors]
@@ -5111,6 +5437,10 @@ export type PtyRemoveData = {
 }
 
 export type PtyRemoveErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * NotFoundError
    */
@@ -5141,6 +5471,10 @@ export type PtyGetData = {
 }
 
 export type PtyGetErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * NotFoundError
    */
@@ -5178,9 +5512,9 @@ export type PtyUpdateData = {
 
 export type PtyUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type PtyUpdateError = PtyUpdateErrors[keyof PtyUpdateErrors]
@@ -5207,6 +5541,10 @@ export type PtyConnectTokenData = {
 }
 
 export type PtyConnectTokenErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * Forbidden
    */
@@ -5241,6 +5579,15 @@ 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
@@ -5269,9 +5616,9 @@ export type QuestionReplyData = {
 
 export type QuestionReplyErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * Not found
    */
@@ -5303,9 +5650,9 @@ export type QuestionRejectData = {
 
 export type QuestionRejectErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * Not found
    */
@@ -5333,6 +5680,15 @@ 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
@@ -5359,9 +5715,9 @@ export type PermissionReplyData = {
 
 export type PermissionReplyErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * Not found
    */
@@ -5389,6 +5745,15 @@ export type ProviderListData = {
   url: "/provider"
 }
 
+export type ProviderListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ProviderListError = ProviderListErrors[keyof ProviderListErrors]
+
 export type ProviderListResponses = {
   /**
    * List of providers
@@ -5414,6 +5779,15 @@ 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
@@ -5447,9 +5821,9 @@ export type ProviderOauthAuthorizeData = {
 
 export type ProviderOauthAuthorizeErrors = {
   /**
-   * ProviderAuthError
+   * ProviderAuthError | InvalidRequestError
    */
-  400: ProviderAuthError1
+  400: ProviderAuthError1 | InvalidRequestError
 }
 
 export type ProviderOauthAuthorizeError = ProviderOauthAuthorizeErrors[keyof ProviderOauthAuthorizeErrors]
@@ -5483,9 +5857,9 @@ export type ProviderOauthCallbackData = {
 
 export type ProviderOauthCallbackErrors = {
   /**
-   * ProviderAuthError
+   * ProviderAuthError | InvalidRequestError
    */
-  400: ProviderAuthError1
+  400: ProviderAuthError1 | InvalidRequestError
 }
 
 export type ProviderOauthCallbackError = ProviderOauthCallbackErrors[keyof ProviderOauthCallbackErrors]
@@ -5515,6 +5889,15 @@ export type SessionListData = {
   url: "/session"
 }
 
+export type SessionListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type SessionListError = SessionListErrors[keyof SessionListErrors]
+
 export type SessionListResponses = {
   /**
    * List of sessions
@@ -5547,9 +5930,9 @@ export type SessionCreateData = {
 
 export type SessionCreateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SessionCreateError = SessionCreateErrors[keyof SessionCreateErrors]
@@ -5575,9 +5958,9 @@ export type SessionStatusData = {
 
 export type SessionStatusErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SessionStatusError = SessionStatusErrors[keyof SessionStatusErrors]
@@ -5607,9 +5990,9 @@ export type SessionDeleteData = {
 
 export type SessionDeleteErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5641,9 +6024,9 @@ export type SessionGetData = {
 
 export type SessionGetErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5681,9 +6064,9 @@ export type SessionUpdateData = {
 
 export type SessionUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5715,9 +6098,9 @@ export type SessionChildrenData = {
 
 export type SessionChildrenErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5749,9 +6132,9 @@ export type SessionTodoData = {
 
 export type SessionTodoErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5782,6 +6165,15 @@ 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
@@ -5807,9 +6199,9 @@ export type SessionMessagesData = {
 
 export type SessionMessagesErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5859,9 +6251,9 @@ export type SessionPromptData = {
 
 export type SessionPromptErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5897,9 +6289,9 @@ export type SessionDeleteMessageData = {
 
 export type SessionDeleteMessageErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5932,9 +6324,9 @@ export type SessionMessageData = {
 
 export type SessionMessageErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -5971,9 +6363,9 @@ export type SessionForkData = {
 
 export type SessionForkErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6005,9 +6397,9 @@ export type SessionAbortData = {
 
 export type SessionAbortErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SessionAbortError = SessionAbortErrors[keyof SessionAbortErrors]
@@ -6039,9 +6431,9 @@ export type SessionInitData = {
 
 export type SessionInitErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6072,6 +6464,10 @@ export type SessionUnshareData = {
 }
 
 export type SessionUnshareErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * NotFoundError
    */
@@ -6106,6 +6502,10 @@ export type SessionShareData = {
 }
 
 export type SessionShareErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
   /**
    * NotFoundError
    */
@@ -6145,9 +6545,9 @@ export type SessionSummarizeData = {
 
 export type SessionSummarizeErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6194,9 +6594,9 @@ export type SessionPromptAsyncData = {
 
 export type SessionPromptAsyncErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6243,9 +6643,9 @@ export type SessionCommandData = {
 
 export type SessionCommandErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6288,9 +6688,9 @@ export type SessionShellData = {
 
 export type SessionShellErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6328,9 +6728,9 @@ export type SessionRevertData = {
 
 export type SessionRevertErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6362,9 +6762,9 @@ export type SessionUnrevertData = {
 
 export type SessionUnrevertErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6399,9 +6799,9 @@ export type PermissionRespondData = {
 
 export type PermissionRespondErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6435,9 +6835,9 @@ export type PartDeleteData = {
 
 export type PartDeleteErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6471,9 +6871,9 @@ export type PartUpdateData = {
 
 export type PartUpdateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -6501,6 +6901,15 @@ 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
@@ -6533,9 +6942,9 @@ export type SyncReplayData = {
 
 export type SyncReplayErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SyncReplayError = SyncReplayErrors[keyof SyncReplayErrors]
@@ -6565,9 +6974,9 @@ export type SyncStealData = {
 
 export type SyncStealErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SyncStealError = SyncStealErrors[keyof SyncStealErrors]
@@ -6597,9 +7006,9 @@ export type SyncHistoryListData = {
 
 export type SyncHistoryListErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type SyncHistoryListError = SyncHistoryListErrors[keyof SyncHistoryListErrors]
@@ -6643,13 +7052,13 @@ export type V2SessionListData = {
 
 export type V2SessionListErrors = {
   /**
-   * BadRequest
+   * InvalidCursorError | InvalidRequestError
    */
-  400: EffectHttpApiErrorBadRequest
+  400: InvalidCursorError | InvalidRequestError
   /**
-   * Unauthorized
+   * UnauthorizedError
    */
-  401: unknown
+  401: UnauthorizedError
 }
 
 export type V2SessionListError = V2SessionListErrors[keyof V2SessionListErrors]
@@ -6680,11 +7089,17 @@ export type V2SessionPromptData = {
 
 export type V2SessionPromptErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2SessionPromptError = V2SessionPromptErrors[keyof V2SessionPromptErrors]
+
 export type V2SessionPromptResponses = {
   /**
    * Session.Message
@@ -6708,11 +7123,17 @@ export type V2SessionCompactData = {
 
 export type V2SessionCompactErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2SessionCompactError = V2SessionCompactErrors[keyof V2SessionCompactErrors]
+
 export type V2SessionCompactResponses = {
   /**
    * <No Content>
@@ -6736,11 +7157,17 @@ export type V2SessionWaitData = {
 
 export type V2SessionWaitErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2SessionWaitError = V2SessionWaitErrors[keyof V2SessionWaitErrors]
+
 export type V2SessionWaitResponses = {
   /**
    * <No Content>
@@ -6764,11 +7191,17 @@ export type V2SessionContextData = {
 
 export type V2SessionContextErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2SessionContextError = V2SessionContextErrors[keyof V2SessionContextErrors]
+
 export type V2SessionContextResponses = {
   /**
    * Success
@@ -6798,13 +7231,13 @@ export type V2SessionMessagesData = {
 
 export type V2SessionMessagesErrors = {
   /**
-   * BadRequest
+   * InvalidCursorError | InvalidRequestError
    */
-  400: EffectHttpApiErrorBadRequest
+  400: InvalidCursorError | InvalidRequestError
   /**
-   * Unauthorized
+   * UnauthorizedError
    */
-  401: unknown
+  401: UnauthorizedError
 }
 
 export type V2SessionMessagesError = V2SessionMessagesErrors[keyof V2SessionMessagesErrors]
@@ -6832,11 +7265,17 @@ export type V2ModelListData = {
 
 export type V2ModelListErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2ModelListError = V2ModelListErrors[keyof V2ModelListErrors]
+
 export type V2ModelListResponses = {
   /**
    * Success
@@ -6860,11 +7299,17 @@ export type V2ProviderListData = {
 
 export type V2ProviderListErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
 }
 
+export type V2ProviderListError = V2ProviderListErrors[keyof V2ProviderListErrors]
+
 export type V2ProviderListResponses = {
   /**
    * Success
@@ -6890,9 +7335,13 @@ export type V2ProviderGetData = {
 
 export type V2ProviderGetErrors = {
   /**
-   * Unauthorized
+   * InvalidRequestError
    */
-  401: unknown
+  400: InvalidRequestError
+  /**
+   * UnauthorizedError
+   */
+  401: UnauthorizedError
   /**
    * NotFoundError
    */
@@ -6924,9 +7373,9 @@ export type TuiAppendPromptData = {
 
 export type TuiAppendPromptErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type TuiAppendPromptError = TuiAppendPromptErrors[keyof TuiAppendPromptErrors]
@@ -6950,6 +7399,15 @@ 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
@@ -6969,6 +7427,15 @@ 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
@@ -6988,6 +7455,15 @@ 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
@@ -7007,6 +7483,15 @@ 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
@@ -7026,6 +7511,15 @@ 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
@@ -7045,6 +7539,15 @@ 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
@@ -7068,9 +7571,9 @@ export type TuiExecuteCommandData = {
 
 export type TuiExecuteCommandErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type TuiExecuteCommandError = TuiExecuteCommandErrors[keyof TuiExecuteCommandErrors]
@@ -7099,6 +7602,15 @@ 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
@@ -7120,9 +7632,9 @@ export type TuiPublishData = {
 
 export type TuiPublishErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type TuiPublishError = TuiPublishErrors[keyof TuiPublishErrors]
@@ -7153,9 +7665,9 @@ export type TuiSelectSessionData = {
 
 export type TuiSelectSessionErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
   /**
    * NotFoundError
    */
@@ -7183,6 +7695,15 @@ 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
@@ -7205,6 +7726,15 @@ 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
@@ -7224,6 +7754,16 @@ 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
@@ -7248,6 +7788,15 @@ export type ExperimentalWorkspaceListData = {
   url: "/experimental/workspace"
 }
 
+export type ExperimentalWorkspaceListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ExperimentalWorkspaceListError = ExperimentalWorkspaceListErrors[keyof ExperimentalWorkspaceListErrors]
+
 export type ExperimentalWorkspaceListResponses = {
   /**
    * Workspaces
@@ -7275,9 +7824,9 @@ export type ExperimentalWorkspaceCreateData = {
 
 export type ExperimentalWorkspaceCreateErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type ExperimentalWorkspaceCreateError =
@@ -7303,6 +7852,16 @@ export type ExperimentalWorkspaceSyncListData = {
   url: "/experimental/workspace/sync-list"
 }
 
+export type ExperimentalWorkspaceSyncListErrors = {
+  /**
+   * Bad request
+   */
+  400: BadRequestError
+}
+
+export type ExperimentalWorkspaceSyncListError =
+  ExperimentalWorkspaceSyncListErrors[keyof ExperimentalWorkspaceSyncListErrors]
+
 export type ExperimentalWorkspaceSyncListResponses = {
   /**
    * Workspace list synced
@@ -7323,6 +7882,16 @@ 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
@@ -7350,9 +7919,9 @@ export type ExperimentalWorkspaceRemoveData = {
 
 export type ExperimentalWorkspaceRemoveErrors = {
   /**
-   * Bad request
+   * BadRequest | InvalidRequestError
    */
-  400: BadRequestError
+  400: EffectHttpApiErrorBadRequest | InvalidRequestError
 }
 
 export type ExperimentalWorkspaceRemoveError =
@@ -7384,9 +7953,9 @@ export type ExperimentalWorkspaceWarpData = {
 
 export type ExperimentalWorkspaceWarpErrors = {
   /**
-   * WorkspaceWarpError | VcsApplyError
+   * WorkspaceWarpError | VcsApplyError | InvalidRequestError
    */
-  400: WorkspaceWarpError | VcsApplyError
+  400: WorkspaceWarpError | VcsApplyError | InvalidRequestError
 }
 
 export type ExperimentalWorkspaceWarpError = ExperimentalWorkspaceWarpErrors[keyof ExperimentalWorkspaceWarpErrors]
diff --git a/packages/sdk/openapi.json b/packages/sdk/openapi.json
index 6a123710e6..2420ff44cb 100644
--- a/packages/sdk/openapi.json
+++ b/packages/sdk/openapi.json
@@ -33,11 +33,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -87,11 +94,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -142,11 +156,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -218,6 +239,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get health information about the OpenCode server.",
@@ -245,6 +276,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Subscribe to global events from the OpenCode system using server-sent events.",
@@ -272,6 +313,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the current global OpenCode configuration settings and preferences.",
@@ -299,11 +350,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -344,6 +402,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Clean up and dispose all OpenCode instances, releasing all resources.",
@@ -403,11 +471,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -514,6 +589,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the current OpenCode configuration settings and preferences.",
@@ -558,11 +643,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -636,6 +728,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all configured AI providers and their default models.",
@@ -681,6 +783,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "500": {
             "description": "InternalServerError",
             "content": {
@@ -768,6 +880,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "500": {
             "description": "InternalServerError",
             "content": {
@@ -903,11 +1025,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -957,11 +1086,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -1015,11 +1151,18 @@
             }
           },
           "400": {
-            "description": "WorktreeError",
+            "description": "WorktreeError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/WorktreeError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/WorktreeError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -1067,11 +1210,18 @@
             }
           },
           "400": {
-            "description": "WorktreeError",
+            "description": "WorktreeError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/WorktreeError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/WorktreeError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -1129,11 +1279,18 @@
             }
           },
           "400": {
-            "description": "WorktreeError",
+            "description": "WorktreeError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/WorktreeError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/WorktreeError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -1193,11 +1350,18 @@
             }
           },
           "400": {
-            "description": "WorktreeError",
+            "description": "WorktreeError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/WorktreeError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/WorktreeError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -1322,6 +1486,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all OpenCode sessions across projects, sorted by most recently updated. Archived sessions are excluded by default.",
@@ -1370,6 +1544,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get all available MCP resources from connected servers. Optionally filter by name.",
@@ -1486,6 +1670,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Search for text patterns across files in the project using ripgrep.",
@@ -1570,6 +1764,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Search for files or directories by name or pattern in the project directory.",
@@ -1626,6 +1830,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Search for workspace symbols like functions, classes, and variables using LSP.",
@@ -1682,6 +1896,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "List files and directories in a specified path.",
@@ -1734,6 +1958,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Read the content of a specified file.",
@@ -1782,6 +2016,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get the git status of all files in the project.",
@@ -1827,6 +2071,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Clean up and dispose the current OpenCode instance, releasing all resources.",
@@ -1871,6 +2125,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the current working directory and related path information for the OpenCode instance.",
@@ -1915,6 +2179,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve version control system (VCS) information for the current project, such as git branch.",
@@ -1963,6 +2237,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve changed files in the current working tree without patches.",
@@ -2020,6 +2304,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the current git diff for the working tree or against the default branch.",
@@ -2064,6 +2358,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve a raw patch for current uncommitted changes.",
@@ -2118,11 +2422,18 @@
             }
           },
           "400": {
-            "description": "VcsApplyError",
+            "description": "VcsApplyError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/VcsApplyError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/VcsApplyError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -2190,6 +2501,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all available commands in the OpenCode system.",
@@ -2238,6 +2559,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all available AI agents in the OpenCode system.",
@@ -2302,6 +2633,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all available skills in the OpenCode system.",
@@ -2350,6 +2691,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get LSP server status",
@@ -2398,6 +2749,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get formatter status",
@@ -2446,6 +2807,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get the status of all Model Context Protocol (MCP) servers.",
@@ -2494,11 +2865,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -2593,11 +2971,18 @@
             }
           },
           "400": {
-            "description": "McpUnsupportedOAuthError",
+            "description": "McpUnsupportedOAuthError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/McpUnsupportedOAuthError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/McpUnsupportedOAuthError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -2671,6 +3056,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "404": {
             "description": "Not found",
             "content": {
@@ -2734,11 +3129,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -2822,11 +3224,18 @@
             }
           },
           "400": {
-            "description": "McpUnsupportedOAuthError",
+            "description": "McpUnsupportedOAuthError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/McpUnsupportedOAuthError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/McpUnsupportedOAuthError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -2893,6 +3302,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Connect an MCP server.",
@@ -2945,6 +3364,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Disconnect an MCP server.",
@@ -2992,6 +3421,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of projects that have been opened with OpenCode.",
@@ -3036,6 +3475,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the currently active project that OpenCode is working with.",
@@ -3080,6 +3529,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Create a git repository for the current project and return the refreshed project info.",
@@ -3134,11 +3593,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -3253,6 +3719,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of available shells on the system.",
@@ -3301,6 +3777,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all active pseudo-terminal (PTY) sessions managed by OpenCode.",
@@ -3345,11 +3831,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -3440,6 +3933,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "404": {
             "description": "NotFoundError",
             "content": {
@@ -3502,11 +4005,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -3593,6 +4103,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "404": {
             "description": "NotFoundError",
             "content": {
@@ -3668,6 +4188,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "403": {
             "description": "Forbidden",
             "content": {
@@ -3735,6 +4265,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get all pending question requests across all sessions.",
@@ -3791,11 +4331,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -3885,11 +4432,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -3951,6 +4505,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get all pending permission requests across all sessions.",
@@ -4007,11 +4571,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4112,6 +4683,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all available AI providers, including both available and connected ones.",
@@ -4163,6 +4744,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve available authentication methods for all AI providers.",
@@ -4217,11 +4808,18 @@
             }
           },
           "400": {
-            "description": "ProviderAuthError",
+            "description": "ProviderAuthError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/ProviderAuthError1"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/ProviderAuthError1"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4303,11 +4901,18 @@
             }
           },
           "400": {
-            "description": "ProviderAuthError",
+            "description": "ProviderAuthError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/ProviderAuthError1"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/ProviderAuthError1"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4436,6 +5041,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get a list of all OpenCode sessions, sorted by most recently updated.",
@@ -4480,11 +5095,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4583,11 +5205,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4646,11 +5275,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4718,11 +5354,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4789,11 +5432,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4893,11 +5543,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -4970,11 +5627,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5054,6 +5718,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get the file changes (diff) that resulted from a specific user message in the session.",
@@ -5144,11 +5818,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5227,11 +5908,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5393,11 +6081,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5474,11 +6169,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5547,11 +6249,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5637,11 +6346,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5701,11 +6417,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -5796,6 +6519,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "404": {
             "description": "NotFoundError",
             "content": {
@@ -5867,6 +6600,16 @@
               }
             }
           },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
+          },
           "404": {
             "description": "NotFoundError",
             "content": {
@@ -5942,11 +6685,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6030,11 +6780,18 @@
             "description": "Prompt accepted"
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6185,11 +6942,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6334,11 +7098,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6443,11 +7214,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6537,11 +7315,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6620,11 +7405,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6730,11 +7522,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6818,11 +7617,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -6889,6 +7695,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Start sync loops for workspaces in the current project that have active sessions.",
@@ -6943,11 +7759,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -7049,11 +7872,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -7144,11 +7974,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -7278,17 +8115,34 @@
             }
           },
           "400": {
-            "description": "BadRequest",
+            "description": "InvalidCursorError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/InvalidCursorError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
           },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve sessions in the requested order. Items keep that order across pages; use cursor.next or cursor.previous to move through the ordered list.",
@@ -7344,8 +8198,25 @@
               }
             }
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Create a v2 session message and queue it for the agent loop.",
@@ -7413,8 +8284,25 @@
           "204": {
             "description": "<No Content>"
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Compact a v2 session conversation.",
@@ -7463,8 +8351,25 @@
           "204": {
             "description": "<No Content>"
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Wait for a v2 session agent loop to become idle.",
@@ -7523,8 +8428,25 @@
               }
             }
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the active context messages for a v2 session (all messages after the last compaction).",
@@ -7607,17 +8529,31 @@
             }
           },
           "400": {
-            "description": "BadRequest",
+            "description": "InvalidCursorError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/InvalidCursorError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
           },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve projected v2 messages for a session. Items keep the requested order across pages; use cursor.next or cursor.previous to move through the ordered timeline.",
@@ -7670,8 +8606,25 @@
               }
             }
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve available v2 models ordered by release date.",
@@ -7724,8 +8677,25 @@
               }
             }
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve active v2 AI providers so clients can show provider availability and configuration.",
@@ -7783,8 +8753,25 @@
               }
             }
           },
+          "400": {
+            "description": "InvalidRequestError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/InvalidRequestError"
+                }
+              }
+            }
+          },
           "401": {
-            "description": "Unauthorized"
+            "description": "UnauthorizedError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UnauthorizedError"
+                }
+              }
+            }
           },
           "404": {
             "description": "NotFoundError",
@@ -7842,11 +8829,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -7911,6 +8905,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Open the help dialog in the TUI to display user assistance information.",
@@ -7956,6 +8960,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Open the session dialog.",
@@ -8001,6 +9015,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Open the theme dialog.",
@@ -8046,6 +9070,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Open the model dialog.",
@@ -8091,6 +9125,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Submit the prompt.",
@@ -8136,6 +9180,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Clear the prompt.",
@@ -8183,11 +9237,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -8252,6 +9313,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Show a toast notification in the TUI.",
@@ -8326,11 +9397,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -8403,11 +9481,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -8492,6 +9577,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Retrieve the next TUI request from the queue for processing.",
@@ -8537,6 +9632,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Submit a response to the TUI request queue to complete a pending request.",
@@ -8605,6 +9710,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "List all available workspace adapters for the current project.",
@@ -8653,6 +9768,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "List all workspaces.",
@@ -8697,11 +9822,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -8780,6 +9912,16 @@
         "responses": {
           "204": {
             "description": "Workspace list synced"
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Register missing workspaces returned by workspace adapters.",
@@ -8840,6 +9982,16 @@
                 }
               }
             }
+          },
+          "400": {
+            "description": "Bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/BadRequestError"
+                }
+              }
+            }
           }
         },
         "description": "Get connection status for workspaces in the current project.",
@@ -8895,11 +10047,18 @@
             }
           },
           "400": {
-            "description": "Bad request",
+            "description": "BadRequest | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/BadRequestError"
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/effect_HttpApiError_BadRequest"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
+                    }
+                  ]
                 }
               }
             }
@@ -8942,7 +10101,7 @@
             "description": "Session warped"
           },
           "400": {
-            "description": "WorkspaceWarpError | VcsApplyError",
+            "description": "WorkspaceWarpError | VcsApplyError | InvalidRequestError",
             "content": {
               "application/json": {
                 "schema": {
@@ -8952,6 +10111,9 @@
                     },
                     {
                       "$ref": "#/components/schemas/VcsApplyError"
+                    },
+                    {
+                      "$ref": "#/components/schemas/InvalidRequestError"
                     }
                   ]
                 }
@@ -9466,6 +10628,26 @@
         "required": ["_tag"],
         "additionalProperties": false
       },
+      "InvalidRequestError": {
+        "type": "object",
+        "properties": {
+          "_tag": {
+            "type": "string",
+            "enum": ["InvalidRequestError"]
+          },
+          "message": {
+            "type": "string"
+          },
+          "kind": {
+            "type": "string"
+          },
+          "field": {
+            "type": "string"
+          }
+        },
+        "required": ["_tag", "message"],
+        "additionalProperties": false
+      },
       "Event.tui.prompt.append": {
         "type": "object",
         "properties": {
@@ -14354,6 +15536,34 @@
         "required": ["items", "cursor"],
         "additionalProperties": false
       },
+      "InvalidCursorError": {
+        "type": "object",
+        "properties": {
+          "_tag": {
+            "type": "string",
+            "enum": ["InvalidCursorError"]
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": ["_tag", "message"],
+        "additionalProperties": false
+      },
+      "UnauthorizedError": {
+        "type": "object",
+        "properties": {
+          "_tag": {
+            "type": "string",
+            "enum": ["UnauthorizedError"]
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": ["_tag", "message"],
+        "additionalProperties": false
+      },
       "V2SessionMessagesResponse": {
         "type": "object",
         "properties": {