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closed`);this._transport=void 0,this.onclose?.();for(let n of e.values())n(t)}_onerror(e){this.onerror?.(e)}_onnotification(e){let t=this._notificationHandlers.get(e.method)??this.fallbackNotificationHandler;t!==void 0&&Promise.resolve().then(()=>t(e)).catch(e=>this._onerror(Error(`Uncaught error in notification handler: ${e}`)))}_onrequest(e,t){let n=this._requestHandlers.get(e.method)??this.fallbackRequestHandler,r=this._transport,i=e.params?._meta?.[O]?.taskId;if(n===void 0){let t={jsonrpc:`2.0`,id:e.id,error:{code:R.MethodNotFound,message:`Method not found`}};i&&this._taskMessageQueue?this._enqueueTaskMessage(i,{type:`error`,message:t,timestamp:Date.now()},r?.sessionId).catch(e=>this._onerror(Error(`Failed to enqueue error response: ${e}`))):r?.send(t).catch(e=>this._onerror(Error(`Failed to send an error response: ${e}`)));return}let a=new AbortController;this._requestHandlerAbortControllers.set(e.id,a);let o=Ie(e.params)?e.params.task:void 0,s=this._taskStore?this.requestTaskStore(e,r?.sessionId):void 0,c={signal:a.signal,sessionId:r?.sessionId,_meta:e.params?._meta,sendNotification:async t=>{if(a.signal.aborted)return;let n={relatedRequestId:e.id};i&&(n.relatedTask={taskId:i}),await this.notification(t,n)},sendRequest:async(t,n,r)=>{if(a.signal.aborted)throw new X(R.ConnectionClosed,`Request was cancelled`);let o={...r,relatedRequestId:e.id};i&&!o.relatedTask&&(o.relatedTask={taskId:i});let c=o.relatedTask?.taskId??i;return c&&s&&await s.updateTaskStatus(c,`input_required`),await this.request(t,n,o)},authInfo:t?.authInfo,requestId:e.id,requestInfo:t?.requestInfo,taskId:i,taskStore:s,taskRequestedTtl:o?.ttl,closeSSEStream:t?.closeSSEStream,closeStandaloneSSEStream:t?.closeStandaloneSSEStream};Promise.resolve().then(()=>{o&&this.assertTaskHandlerCapability(e.method)}).then(()=>n(e,c)).then(async t=>{if(a.signal.aborted)return;let n={result:t,jsonrpc:`2.0`,id:e.id};i&&this._taskMessageQueue?await this._enqueueTaskMessage(i,{type:`response`,message:n,timestamp:Date.now()},r?.sessionId):await r?.send(n)},async t=>{if(a.signal.aborted)return;let n={jsonrpc:`2.0`,id:e.id,error:{code:Number.isSafeInteger(t.code)?t.code:R.InternalError,message:t.message??`Internal error`,...t.data!==void 0&&{data:t.data}}};i&&this._taskMessageQueue?await this._enqueueTaskMessage(i,{type:`error`,message:n,timestamp:Date.now()},r?.sessionId):await r?.send(n)}).catch(e=>this._onerror(Error(`Failed to send response: ${e}`))).finally(()=>{this._requestHandlerAbortControllers.get(e.id)===a&&this._requestHandlerAbortControllers.delete(e.id)})}_onprogress(e){let{progressToken:t,...n}=e.params,r=Number(t),i=this._progressHandlers.get(r);if(!i){this._onerror(Error(`Received a progress notification for an unknown token: ${JSON.stringify(e)}`));return}let a=this._responseHandlers.get(r),o=this._timeoutInfo.get(r);if(o&&a&&o.resetTimeoutOnProgress)try{this._resetTimeout(r)}catch(e){this._responseHandlers.delete(r),this._progressHandlers.delete(r),this._cleanupTimeout(r),a(e);return}i(n)}_onresponse(e){let t=Number(e.id),n=this._requestResolvers.get(t);if(n){this._requestResolvers.delete(t),L(e)?n(e):n(new X(e.error.code,e.error.message,e.error.data));return}let r=this._responseHandlers.get(t);if(r===void 0){this._onerror(Error(`Received a response for an unknown message ID: ${JSON.stringify(e)}`));return}this._responseHandlers.delete(t),this._cleanupTimeout(t);let i=!1;if(L(e)&&e.result&&typeof e.result==`object`){let n=e.result;if(n.task&&typeof n.task==`object`){let e=n.task;typeof e.taskId==`string`&&(i=!0,this._taskProgressTokens.set(e.taskId,t))}}i||this._progressHandlers.delete(t),L(e)?r(e):r(X.fromError(e.error.code,e.error.message,e.error.data))}get transport(){return this._transport}async close(){await this._transport?.close()}async*requestStream(e,t,n){let{task:r}=n??{};if(!r){try{yield{type:`result`,result:await this.request(e,t,n)}}catch(e){yield{type:`error`,error:e instanceof X?e:new X(R.InternalError,String(e))}}return}let i;try{let r=await this.request(e,ut,n);if(r.task)i=r.task.taskId,yield{type:`taskCreated`,task:r.task};else throw new X(R.InternalError,`Task creation did not return a task`);for(;;){let e=await this.getTask({taskId:i},n);if(yield{type:`taskStatus`,task:e},Z(e.status)){e.status===`completed`?yield{type:`result`,result:await this.getTaskResult({taskId:i},t,n)}:e.status===`failed`?yield{type:`error`,error:new X(R.InternalError,`Task ${i} failed`)}:e.status===`cancelled`&&(yield{type:`error`,error:new X(R.InternalError,`Task ${i} was cancelled`)});return}if(e.status===`input_required`){yield{type:`result`,result:await this.getTaskResult({taskId:i},t,n)};return}let r=e.pollInterval??this._options?.defaultTaskPollInterval??1e3;await new Promise(e=>setTimeout(e,r)),n?.signal?.throwIfAborted()}}catch(e){yield{type:`error`,error:e instanceof X?e:new X(R.InternalError,String(e))}}}request(e,t,n){let{relatedRequestId:r,resumptionToken:i,onresumptiontoken:a,task:o,relatedTask:s}=n??{};return new Promise((c,l)=>{let u=e=>{l(e)};if(!this._transport){u(Error(`Not connected`));return}if(this._options?.enforceStrictCapabilities===!0)try{this.assertCapabilityForMethod(e.method),o&&this.assertTaskCapability(e.method)}catch(e){u(e);return}n?.signal?.throwIfAborted();let d=this._requestMessageId++,f={...e,jsonrpc:`2.0`,id:d};n?.onprogress&&(this._progressHandlers.set(d,n.onprogress),f.params={...e.params,_meta:{...e.params?._meta||{},progressToken:d}}),o&&(f.params={...f.params,task:o}),s&&(f.params={...f.params,_meta:{...f.params?._meta||{},[O]:s}});let ee=e=>{this._responseHandlers.delete(d),this._progressHandlers.delete(d),this._cleanupTimeout(d),this._transport?.send({jsonrpc:`2.0`,method:`notifications/cancelled`,params:{requestId:d,reason:String(e)}},{relatedRequestId:r,resumptionToken:i,onresumptiontoken:a}).catch(e=>this._onerror(Error(`Failed to send cancellation: ${e}`))),l(e instanceof X?e:new X(R.RequestTimeout,String(e)))};this._responseHandlers.set(d,e=>{if(!n?.signal?.aborted){if(e instanceof Error)return l(e);try{let n=ir(t,e.result);n.success?c(n.data):l(n.error)}catch(e){l(e)}}}),n?.signal?.addEventListener(`abort`,()=>{ee(n?.signal?.reason)});let te=n?.timeout??6e4;this._setupTimeout(d,te,n?.maxTotalTimeout,()=>ee(X.fromError(R.RequestTimeout,`Request timed out`,{timeout:te})),n?.resetTimeoutOnProgress??!1);let p=s?.taskId;p?(this._requestResolvers.set(d,e=>{let t=this._responseHandlers.get(d);t?t(e):this._onerror(Error(`Response handler missing for side-channeled request ${d}`))}),this._enqueueTaskMessage(p,{type:`request`,message:f,timestamp:Date.now()}).catch(e=>{this._cleanupTimeout(d),l(e)})):this._transport.send(f,{relatedRequestId:r,resumptionToken:i,onresumptiontoken:a}).catch(e=>{this._cleanupTimeout(d),l(e)})})}async getTask(e,t){return this.request({method:`tasks/get`,params:e},mt,t)}async getTaskResult(e,t,n){return this.request({method:`tasks/result`,params:e},t,n)}async listTasks(e,t){return this.request({method:`tasks/list`,params:e},_t,t)}async cancelTask(e,t){return this.request({method:`tasks/cancel`,params:e},yt,t)}async notification(e,t){if(!this._transport)throw Error(`Not connected`);this.assertNotificationCapability(e.method);let n=t?.relatedTask?.taskId;if(n){let r={...e,jsonrpc:`2.0`,params:{...e.params,_meta:{...e.params?._meta||{},[O]:t.relatedTask}}};await this._enqueueTaskMessage(n,{type:`notification`,message:r,timestamp:Date.now()});return}if((this._options?.debouncedNotificationMethods??[]).includes(e.method)&&!e.params&&!t?.relatedRequestId&&!t?.relatedTask){if(this._pendingDebouncedNotifications.has(e.method))return;this._pendingDebouncedNotifications.add(e.method),Promise.resolve().then(()=>{if(this._pendingDebouncedNotifications.delete(e.method),!this._transport)return;let n={...e,jsonrpc:`2.0`};t?.relatedTask&&(n={...n,params:{...n.params,_meta:{...n.params?._meta||{},[O]:t.relatedTask}}}),this._transport?.send(n,t).catch(e=>this._onerror(e))});return}let r={...e,jsonrpc:`2.0`};t?.relatedTask&&(r={...r,params:{...r.params,_meta:{...r.params?._meta||{},[O]:t.relatedTask}}}),await this._transport.send(r,t)}setRequestHandler(e,t){let n=cr(e);this.assertRequestHandlerCapability(n),this._requestHandlers.set(n,(n,r)=>{let i=lr(e,n);return Promise.resolve(t(i,r))})}removeRequestHandler(e){this._requestHandlers.delete(e)}assertCanSetRequestHandler(e){if(this._requestHandlers.has(e))throw Error(`A request handler for ${e} already exists, which would be overridden`)}setNotificationHandler(e,t){let n=cr(e);this._notificationHandlers.set(n,n=>{let r=lr(e,n);return Promise.resolve(t(r))})}removeNotificationHandler(e){this._notificationHandlers.delete(e)}_cleanupTaskProgressHandler(e){let t=this._taskProgressTokens.get(e);t!==void 0&&(this._progressHandlers.delete(t),this._taskProgressTokens.delete(e))}async _enqueueTaskMessage(e,t,n){if(!this._taskStore||!this._taskMessageQueue)throw Error(`Cannot enqueue task message: taskStore and taskMessageQueue are not configured`);let r=this._options?.maxTaskQueueSize;await this._taskMessageQueue.enqueue(e,t,n,r)}async _clearTaskQueue(e,t){if(this._taskMessageQueue){let n=await this._taskMessageQueue.dequeueAll(e,t);for(let t of n)if(t.type===`request`&&Re(t.message)){let n=t.message.id,r=this._requestResolvers.get(n);r?(r(new X(R.InternalError,`Task cancelled or completed`)),this._requestResolvers.delete(n)):this._onerror(Error(`Resolver missing for request ${n} during task ${e} cleanup`))}}}async _waitForTaskUpdate(e,t){let n=this._options?.defaultTaskPollInterval??1e3;try{let t=await this._taskStore?.getTask(e);t?.pollInterval&&(n=t.pollInterval)}catch{}return new Promise((e,r)=>{if(t.aborted){r(new X(R.InvalidRequest,`Request cancelled`));return}let i=setTimeout(e,n);t.addEventListener(`abort`,()=>{clearTimeout(i),r(new X(R.InvalidRequest,`Request cancelled`))},{once:!0})})}requestTaskStore(e,t){let n=this._taskStore;if(!n)throw Error(`No task store configured`);return{createTask:async r=>{if(!e)throw Error(`No request provided`);return await n.createTask(r,e.id,{method:e.method,params:e.params},t)},getTask:async e=>{let r=await n.getTask(e,t);if(!r)throw new X(R.InvalidParams,`Failed to retrieve task: Task not found`);return r},storeTaskResult:async(e,r,i)=>{await n.storeTaskResult(e,r,i,t);let a=await n.getTask(e,t);if(a){let t=ft.parse({method:`notifications/tasks/status`,params:a});await this.notification(t),Z(a.status)&&this._cleanupTaskProgressHandler(e)}},getTaskResult:e=>n.getTaskResult(e,t),updateTaskStatus:async(e,r,i)=>{let a=await n.getTask(e,t);if(!a)throw new X(R.InvalidParams,`Task "${e}" not found - it may have been cleaned up`);if(Z(a.status))throw new X(R.InvalidParams,`Cannot update task "${e}" from terminal status "${a.status}" to "${r}". Terminal states (completed, failed, cancelled) cannot transition to other states.`);await n.updateTaskStatus(e,r,i,t);let o=await n.getTask(e,t);if(o){let t=ft.parse({method:`notifications/tasks/status`,params:o});await this.notification(t),Z(o.status)&&this._cleanupTaskProgressHandler(e)}},listTasks:e=>n.listTasks(e,t)}}}})))()}function pr(e,t){return JSON.stringify(e)===JSON.stringify(t)}var mr,hr,gr,Q,_r,vr,yr,br,xr,Sr,Cr,wr,Tr,Er,Dr,Or,kr,Ar,jr,Mr,Nr,Pr,Fr,Ir,Lr,Rr,zr,Br,Vr;function Hr(){return(Hr=t((()=>{nr(),fr(),_e(),(t=>typeof e<`u`?e:typeof Proxy<`u`?new Proxy(t,{get:(t,n)=>(typeof e<`u`?e:t)[n]}):t)(function(t){if(typeof e<`u`)return e.apply(this,arguments);throw Error(`Dynamic require of "`+t+`" is not supported`)}),mr=class extends dr{_registeredMethods=new Set;_eventSlots=new Map;onEventDispatch(e,t){}_ensureEventSlot(e){let t=this._eventSlots.get(e);if(!t){let n=this.eventSchemas[e];if(!n)throw Error(`Unknown event: ${String(e)}`);t={listeners:[]},this._eventSlots.set(e,t);let r=n.shape.method.value;this._registeredMethods.add(r);let i=t;super.setNotificationHandler(n,t=>{let n=t.params;this.onEventDispatch(e,n),i.onHandler?.(n);for(let e of[...i.listeners])e(n)})}return t}setEventHandler(e,t){let n=this._ensureEventSlot(e);n.onHandler&&t&&console.warn(`[MCP Apps] on${String(e)} handler replaced. Use addEventListener("${String(e)}", …) to add multiple listeners without replacing.`),n.onHandler=t}getEventHandler(e){return this._eventSlots.get(e)?.onHandler}addEventListener(e,t){this._ensureEventSlot(e).listeners.push(t)}removeEventListener(e,t){let n=this._eventSlots.get(e);if(!n)return;let r=n.listeners.indexOf(t);r!==-1&&n.listeners.splice(r,1)}setRequestHandler=(e,t)=>{this._assertMethodNotRegistered(e,`setRequestHandler`),super.setRequestHandler(e,t)};setNotificationHandler=(e,t)=>{this._assertMethodNotRegistered(e,`setNotificationHandler`),super.setNotificationHandler(e,t)};warnIfRequestHandlerReplaced(e,t,n){t&&n&&console.warn(`[MCP Apps] ${e} handler replaced. Previous handler will no longer be called.`)}replaceRequestHandler=(e,t)=>{let n=e.shape.method.value;this._registeredMethods.add(n),super.setRequestHandler(e,t)};_assertMethodNotRegistered(e,t){let n=e.shape.method.value;if(this._registeredMethods.has(n))throw Error(`Handler for "${n}" already registered (via ${t}). Use addEventListener() to attach multiple listeners, or the on* setter for replace semantics.`);this._registeredMethods.add(n)}},hr=`2026-01-26`,gr=E([v(`light`),v(`dark`)]).describe(`Color theme preference for the host environment.`),Q=E([v(`inline`),v(`fullscreen`),v(`pip`)]).describe(`Display mode for UI presentation.`),_r=E([v(`--color-background-primary`),v(`--color-background-secondary`),v(`--color-background-tertiary`),v(`--color-background-inverse`),v(`--color-background-ghost`),v(`--color-background-info`),v(`--color-background-danger`),v(`--color-background-success`),v(`--color-background-warning`),v(`--color-background-disabled`),v(`--color-text-primary`),v(`--color-text-secondary`),v(`--color-text-tertiary`),v(`--color-text-inverse`),v(`--color-text-ghost`),v(`--color-text-info`),v(`--color-text-danger`),v(`--color-text-success`),v(`--color-text-warning`),v(`--color-text-disabled`),v(`--color-border-primary`),v(`--color-border-secondary`),v(`--color-border-tertiary`),v(`--color-border-inverse`),v(`--color-border-ghost`),v(`--color-border-info`),v(`--color-border-danger`),v(`--color-border-success`),v(`--color-border-warning`),v(`--color-border-disabled`),v(`--color-ring-primary`),v(`--color-ring-secondary`),v(`--color-ring-inverse`),v(`--color-ring-info`),v(`--color-ring-danger`),v(`--color-ring-success`),v(`--color-ring-warning`),v(`--font-sans`),v(`--font-mono`),v(`--font-weight-normal`),v(`--font-weight-medium`),v(`--font-weight-semibold`),v(`--font-weight-bold`),v(`--font-text-xs-size`),v(`--font-text-sm-size`),v(`--font-text-md-size`),v(`--font-text-lg-size`),v(`--font-heading-xs-size`),v(`--font-heading-sm-size`),v(`--font-heading-md-size`),v(`--font-heading-lg-size`),v(`--font-heading-xl-size`),v(`--font-heading-2xl-size`),v(`--font-heading-3xl-size`),v(`--font-text-xs-line-height`),v(`--font-text-sm-line-height`),v(`--font-text-md-line-height`),v(`--font-text-lg-line-height`),v(`--font-heading-xs-line-height`),v(`--font-heading-sm-line-height`),v(`--font-heading-md-line-height`),v(`--font-heading-lg-line-height`),v(`--font-heading-xl-line-height`),v(`--font-heading-2xl-line-height`),v(`--font-heading-3xl-line-height`),v(`--border-radius-xs`),v(`--border-radius-sm`),v(`--border-radius-md`),v(`--border-radius-lg`),v(`--border-radius-xl`),v(`--border-radius-full`),v(`--border-width-regular`),v(`--shadow-hairline`),v(`--shadow-sm`),v(`--shadow-md`),v(`--shadow-lg`)]).describe(`CSS variable keys available to MCP apps for theming.`),vr=T(_r.describe(`Style variables for theming MCP apps.

Individual style keys are optional - hosts may provide any subset of these values.
Values are strings containing CSS values (colors, sizes, font stacks, etc.).

Note: This type uses \`Record<K, string | undefined>\` rather than \`Partial<Record<K, string>>\`
for compatibility with Zod schema generation. Both are functionally equivalent for validation.`),E([D(),be()]).describe(`Style variables for theming MCP apps.

Individual style keys are optional - hosts may provide any subset of these values.
Values are strings containing CSS values (colors, sizes, font stacks, etc.).

Note: This type uses \`Record<K, string | undefined>\` rather than \`Partial<Record<K, string>>\`
for compatibility with Zod schema generation. Both are functionally equivalent for validation.`)).describe(`Style variables for theming MCP apps.

Individual style keys are optional - hosts may provide any subset of these values.
Values are strings containing CSS values (colors, sizes, font stacks, etc.).

Note: This type uses \`Record<K, string | undefined>\` rather than \`Partial<Record<K, string>>\`
for compatibility with Zod schema generation. Both are functionally equivalent for validation.`),yr=x({method:v(`ui/open-link`),params:x({url:D().describe(`URL to open in the host's browser`)})}),x({isError:C().optional().describe(`True if the host failed to open the URL (e.g., due to security policy).`)}).passthrough(),x({isError:C().optional().describe(`True if the download failed (e.g., user cancelled or host denied).`)}).passthrough(),x({isError:C().optional().describe(`True if the host rejected or failed to deliver the message.`)}).passthrough(),br=x({method:v(`ui/notifications/sandbox-proxy-ready`),params:x({})}),xr=x({connectDomains:_(D()).optional().describe(`Origins for network requests (fetch/XHR/WebSocket).

- Maps to CSP \`connect-src\` directive
- Empty or omitted → no network connections (secure default)`),resourceDomains:_(D()).optional().describe("Origins for static resources (images, scripts, stylesheets, fonts, media).\n\n- Maps to CSP `img-src`, `script-src`, `style-src`, `font-src`, `media-src` directives\n- Wildcard subdomains supported: `https://*.example.com`\n- Empty or omitted → no network resources (secure default)"),frameDomains:_(D()).optional().describe("Origins for nested iframes.\n\n- Maps to CSP `frame-src` directive\n- Empty or omitted → no nested iframes allowed (`frame-src 'none'`)"),baseUriDomains:_(D()).optional().describe("Allowed base URIs for the document.\n\n- Maps to CSP `base-uri` directive\n- Empty or omitted → only same origin allowed (`base-uri 'self'`)")}),Sr=x({camera:x({}).optional().describe(`Request camera access.

Maps to Permission Policy \`camera\` feature.`),microphone:x({}).optional().describe(`Request microphone access.

Maps to Permission Policy \`microphone\` feature.`),geolocation:x({}).optional().describe(`Request geolocation access.

Maps to Permission Policy \`geolocation\` feature.`),clipboardWrite:x({}).optional().describe(`Request clipboard write access.

Maps to Permission Policy \`clipboard-write\` feature.`)}),Cr=x({method:v(`ui/notifications/size-changed`),params:x({width:S().optional().describe(`New width in pixels.`),height:S().optional().describe(`New height in pixels.`)})}),x({method:v(`ui/notifications/tool-input`),params:x({arguments:T(D(),g().describe(`Complete tool call arguments as key-value pairs.`)).optional().describe(`Complete tool call arguments as key-value pairs.`)})}),x({method:v(`ui/notifications/tool-input-partial`),params:x({arguments:T(D(),g().describe(`Partial tool call arguments (incomplete, may change).`)).optional().describe(`Partial tool call arguments (incomplete, may change).`)})}),x({method:v(`ui/notifications/tool-cancelled`),params:x({reason:D().optional().describe(`Optional reason for the cancellation (e.g., "user action", "timeout").`)})}),wr=x({fonts:D().optional()}),Tr=x({variables:vr.optional().describe(`CSS variables for theming the app.`),css:wr.optional().describe(`CSS blocks that apps can inject.`)}),x({method:v(`ui/resource-teardown`),params:x({})}),Er=T(D(),g()),Dr=x({text:x({}).optional().describe(`Host supports text content blocks.`),image:x({}).optional().describe(`Host supports image content blocks.`),audio:x({}).optional().describe(`Host supports audio content blocks.`),resource:x({}).optional().describe(`Host supports resource content blocks.`),resourceLink:x({}).optional().describe(`Host supports resource link content blocks.`),structuredContent:x({}).optional().describe(`Host supports structured content.`)}),Or=x({method:v(`ui/notifications/request-teardown`),params:x({}).optional()}),kr=x({experimental:T(D(),T(D(),ge()).describe(`Experimental features keyed by identifier.`)).optional().describe(`Experimental features keyed by identifier.`),openLinks:x({}).optional().describe(`Host supports opening external URLs.`),downloadFile:x({}).optional().describe(`Host supports file downloads via ui/download-file.`),serverTools:x({listChanged:C().optional().describe(`Host supports tools/list_changed notifications.`)}).optional().describe(`Host can proxy tool calls to the MCP server.`),serverResources:x({listChanged:C().optional().describe(`Host supports resources/list_changed notifications.`)}).optional().describe(`Host can proxy resource reads to the MCP server.`),logging:x({}).optional().describe(`Host accepts log messages.`),sandbox:x({permissions:Sr.optional().describe(`Permissions granted by the host (camera, microphone, geolocation).`),csp:xr.optional().describe(`CSP domains approved by the host.`)}).optional().describe(`Sandbox configuration applied by the host.`),updateModelContext:Dr.optional().describe(`Host accepts context updates (ui/update-model-context) to be included in the model's context for future turns.`),message:Dr.optional().describe(`Host supports receiving content messages (ui/message) from the view.`),sampling:x({tools:x({}).optional().describe("Host supports tool use via `tools` and `toolChoice` parameters.")}).optional().describe("Host supports LLM sampling (sampling/createMessage) from the view.\nMirrors the MCP `ClientCapabilities.sampling` shape so hosts can pass it through.")}),Ar=x({experimental:T(D(),T(D(),ge()).describe(`Experimental features keyed by identifier.`)).optional().describe(`Experimental features keyed by identifier.`),tools:x({listChanged:C().optional().describe(`App supports tools/list_changed notifications.`)}).optional().describe(`App exposes MCP-style tools that the host can call.`),availableDisplayModes:_(Q).optional().describe(`Display modes the app supports.`)}),jr=x({method:v(`ui/notifications/initialized`),params:x({}).optional()}),x({csp:xr.optional().describe(`Content Security Policy configuration for UI resources.`),permissions:Sr.optional().describe(`Sandbox permissions requested by the UI resource.`),domain:D().optional().describe(`Dedicated origin for view sandbox.

Useful when views need stable, dedicated origins for OAuth callbacks, CORS policies, or API key allowlists.

**Host-dependent:** The format and validation rules for this field are determined by each host. Servers MUST consult host-specific documentation for the expected domain format. Common patterns include:
- Hash-based subdomains (e.g., \`{hash}.claudemcpcontent.com\`)
- URL-derived subdomains (e.g., \`www-example-com.oaiusercontent.com\`)

If omitted, host uses default sandbox origin (typically per-conversation).`),prefersBorder:C().optional().describe(`Visual boundary preference - true if view prefers a visible border.

Boolean requesting whether a visible border and background is provided by the host. Specifying an explicit value for this is recommended because hosts' defaults may vary.

- \`true\`: request visible border + background
- \`false\`: request no visible border + background
- omitted: host decides border`)}),Mr=x({method:v(`ui/request-display-mode`),params:x({mode:Q.describe(`The display mode being requested.`)})}),x({mode:Q.describe(`The display mode that was actually set. May differ from requested if not supported.`)}).passthrough(),Nr=E([v(`model`),v(`app`)]).describe(`Tool visibility scope - who can access the tool.`),x({resourceUri:D().optional(),visibility:_(Nr).optional().describe(`Who can access this tool. Default: ["model", "app"]
- "model": Tool visible to and callable by the agent
- "app": Tool callable by the app from this server only`),csp:ye().optional(),permissions:ye().optional()}),x({mimeTypes:_(D()).optional().describe('Array of supported MIME types for UI resources.\nMust include `"text/html;profile=mcp-app"` for MCP Apps support.')}),Pr=x({method:v(`ui/download-file`),params:x({contents:_(E([Zt,Qt])).describe(`Resource contents to download — embedded (inline data) or linked (host fetches). Uses standard MCP resource types.`)})}),Fr=x({method:v(`ui/message`),params:x({role:v(`user`).describe(`Message role, currently only "user" is supported.`),content:_(J).describe(`Message content blocks (text, image, etc.).`)})}),x({method:v(`ui/notifications/sandbox-resource-ready`),params:x({html:D().describe(`HTML content to load into the inner iframe.`),sandbox:D().optional().describe(`Optional override for the inner iframe's sandbox attribute.`),csp:xr.optional().describe(`CSP configuration from resource metadata.`),permissions:Sr.optional().describe(`Sandbox permissions from resource metadata.`)})}),x({method:v(`ui/notifications/tool-result`),params:Y.describe(`Standard MCP tool execution result.`)}),Ir=x({toolInfo:x({id:I.optional().describe(`JSON-RPC id of the tools/call request.`),tool:an.describe(`Tool definition including name, inputSchema, etc.`)}).optional().describe(`Metadata of the tool call that instantiated this App.`),theme:gr.optional().describe(`Current color theme preference.`),styles:Tr.optional().describe(`Style configuration for theming the app.`),displayMode:Q.optional().describe(`How the UI is currently displayed.`),availableDisplayModes:_(Q).optional().describe(`Display modes the host supports.`),containerDimensions:E([x({height:S().describe(`Fixed container height in pixels.`)}),x({maxHeight:E([S(),be()]).optional().describe(`Maximum container height in pixels.`)})]).and(E([x({width:S().describe(`Fixed container width in pixels.`)}),x({maxWidth:E([S(),be()]).optional().describe(`Maximum container width in pixels.`)})])).optional().describe(`Container dimensions. Represents the dimensions of the iframe or other
container holding the app. Specify either width or maxWidth, and either height or maxHeight.`),locale:D().optional().describe(`User's language and region preference in BCP 47 format.`),timeZone:D().optional().describe(`User's timezone in IANA format.`),userAgent:D().optional().describe(`Host application identifier.`),platform:E([v(`web`),v(`desktop`),v(`mobile`)]).optional().describe(`Platform type for responsive design decisions.`),deviceCapabilities:x({touch:C().optional().describe(`Whether the device supports touch input.`),hover:C().optional().describe(`Whether the device supports hover interactions.`)}).optional().describe(`Device input capabilities.`),safeAreaInsets:x({top:S().describe(`Top safe area inset in pixels.`),right:S().describe(`Right safe area inset in pixels.`),bottom:S().describe(`Bottom safe area inset in pixels.`),left:S().describe(`Left safe area inset in pixels.`)}).optional().describe(`Mobile safe area boundaries in pixels.`)}).passthrough(),x({method:v(`ui/notifications/host-context-changed`),params:Ir.describe(`Partial context update containing only changed fields.`)}),Lr=x({method:v(`ui/update-model-context`),params:x({content:_(J).optional().describe(`Context content blocks (text, image, etc.).`),structuredContent:T(D(),g().describe(`Structured content for machine-readable context data.`)).optional().describe(`Structured content for machine-readable context data.`)})}),Rr=x({method:v(`ui/initialize`),params:x({appInfo:V.describe(`App identification (name and version).`),appCapabilities:Ar.describe(`Features and capabilities this app provides.`),protocolVersion:D().describe(`Protocol version this app supports.`)})}),x({protocolVersion:D().describe(`Negotiated protocol version string (e.g., "2025-11-21").`),hostInfo:V.describe(`Host application identification and version.`),hostCapabilities:kr.describe(`Features and capabilities provided by the host.`),hostContext:Ir.describe(`Rich context about the host environment.`)}).passthrough(),zr=class{eventTarget;eventSource;messageListener;constructor(e=window.parent,t){this.eventTarget=e,this.eventSource=t,this.messageListener=e=>{if(t&&e.source!==this.eventSource){console.debug(`Ignoring message from unknown source`,e);return}let n=We.safeParse(e.data);n.success?(console.debug(`Parsed message`,n.data),this.onmessage?.(n.data)):e.data?.jsonrpc===`2.0`?(console.error(`Failed to parse message`,n.error.message,e),this.onerror?.(Error(`Invalid JSON-RPC message received: `+n.error.message))):console.debug(`Ignoring non-JSON-RPC message`,n.error.message,e)}}async start(){window.addEventListener(`message`,this.messageListener)}async send(e,t){e.method!==`ui/notifications/tool-input-partial`&&console.debug(`Sending message`,e),this.eventTarget.postMessage(e,`*`)}async close(){window.removeEventListener(`message`,this.messageListener),this.onclose?.()}onclose;onerror;onmessage;sessionId;setProtocolVersion},Br=[hr],Vr=class extends mr{_client;_hostInfo;_capabilities;_appCapabilities;_hostContext={};_appInfo;_initializedReceived=!1;_baseReplaceRequestHandler=this.replaceRequestHandler;replaceRequestHandler=(e,t)=>{this._baseReplaceRequestHandler(e,(e,n)=>(this._initializedReceived||console.warn(`[ext-apps] AppBridge received '${e.method}' before ui/notifications/initialized. The View is calling host methods before completing the handshake; it should await app.connect() first.`),t(e,n)))};eventSchemas={sizechange:Cr,sandboxready:br,initialized:jr,requestteardown:Or,loggingmessage:hn};constructor(e,t,n,r){super(r),this._client=e,this._hostInfo=t,this._capabilities=n,this.addEventListener(`initialized`,()=>{this._initializedReceived=!0}),this._hostContext=r?.hostContext||{},this.setRequestHandler(Rr,e=>this._oninitialize(e)),this.setRequestHandler(H,(e,t)=>(this.onping?.(e.params,t),{})),this.replaceRequestHandler(Mr,e=>({mode:this._hostContext.displayMode??`inline`}))}getAppCapabilities(){return this._appCapabilities}getAppVersion(){return this._appInfo}onping;get onsizechange(){return this.getEventHandler(`sizechange`)}set onsizechange(e){this.setEventHandler(`sizechange`,e)}get onsandboxready(){return this.getEventHandler(`sandboxready`)}set onsandboxready(e){this.setEventHandler(`sandboxready`,e)}get oninitialized(){return this.getEventHandler(`initialized`)}set oninitialized(e){this.setEventHandler(`initialized`,e)}_onmessage;get onmessage(){return this._onmessage}set onmessage(e){this.warnIfRequestHandlerReplaced(`onmessage`,this._onmessage,e),this._onmessage=e,this.replaceRequestHandler(Fr,async(e,t)=>{if(!this._onmessage)throw Error(`No onmessage handler set`);return this._onmessage(e.params,t)})}_onopenlink;get onopenlink(){return this._onopenlink}set onopenlink(e){this.warnIfRequestHandlerReplaced(`onopenlink`,this._onopenlink,e),this._onopenlink=e,this.replaceRequestHandler(yr,async(e,t)=>{if(!this._onopenlink)throw Error(`No onopenlink handler set`);return this._onopenlink(e.params,t)})}_ondownloadfile;get ondownloadfile(){return this._ondownloadfile}set ondownloadfile(e){this.warnIfRequestHandlerReplaced(`ondownloadfile`,this._ondownloadfile,e),this._ondownloadfile=e,this.replaceRequestHandler(Pr,async(e,t)=>{if(!this._ondownloadfile)throw Error(`No ondownloadfile handler set`);return this._ondownloadfile(e.params,t)})}get onrequestteardown(){return this.getEventHandler(`requestteardown`)}set onrequestteardown(e){this.setEventHandler(`requestteardown`,e)}_onrequestdisplaymode;get onrequestdisplaymode(){return this._onrequestdisplaymode}set onrequestdisplaymode(e){this.warnIfRequestHandlerReplaced(`onrequestdisplaymode`,this._onrequestdisplaymode,e),this._onrequestdisplaymode=e,this.replaceRequestHandler(Mr,async(e,t)=>{if(!this._onrequestdisplaymode)throw Error(`No onrequestdisplaymode handler set`);return this._onrequestdisplaymode(e.params,t)})}get onloggingmessage(){return this.getEventHandler(`loggingmessage`)}set onloggingmessage(e){this.setEventHandler(`loggingmessage`,e)}_onupdatemodelcontext;get onupdatemodelcontext(){return this._onupdatemodelcontext}set onupdatemodelcontext(e){this.warnIfRequestHandlerReplaced(`onupdatemodelcontext`,this._onupdatemodelcontext,e),this._onupdatemodelcontext=e,this.replaceRequestHandler(Lr,async(e,t)=>{if(!this._onupdatemodelcontext)throw Error(`No onupdatemodelcontext handler set`);return this._onupdatemodelcontext(e.params,t)})}_oncalltool;get oncalltool(){return this._oncalltool}set oncalltool(e){this.warnIfRequestHandlerReplaced(`oncalltool`,this._oncalltool,e),this._oncalltool=e,this.replaceRequestHandler(ln,async(e,t)=>{if(!this._oncalltool)throw Error(`No oncalltool handler set`);return this._oncalltool(e.params,t)})}set oncreatesamplingmessage(e){this.setRequestHandler(wn,async(t,n)=>e(t.params,n))}sendToolListChanged(e={}){return this.notification({method:`notifications/tools/list_changed`,params:e})}_onlistresources;get onlistresources(){return this._onlistresources}set onlistresources(e){this.warnIfRequestHandlerReplaced(`onlistresources`,this._onlistresources,e),this._onlistresources=e,this.replaceRequestHandler(Et,async(e,t)=>{if(!this._onlistresources)throw Error(`No onlistresources handler set`);return this._onlistresources(e.params,t)})}_onlistresourcetemplates;get onlistresourcetemplates(){return this._onlistresourcetemplates}set onlistresourcetemplates(e){this.warnIfRequestHandlerReplaced(`onlistresourcetemplates`,this._onlistresourcetemplates,e),this._onlistresourcetemplates=e,this.replaceRequestHandler(Ot,async(e,t)=>{if(!this._onlistresourcetemplates)throw Error(`No onlistresourcetemplates handler set`);return this._onlistresourcetemplates(e.params,t)})}_onreadresource;get onreadresource(){return this._onreadresource}set onreadresource(e){this.warnIfRequestHandlerReplaced(`onreadresource`,this._onreadresource,e),this._onreadresource=e,this.replaceRequestHandler(Mt,async(e,t)=>{if(!this._onreadresource)throw Error(`No onreadresource handler set`);return this._onreadresource(e.params,t)})}sendResourceListChanged(e={}){return this.notification({method:`notifications/resources/list_changed`,params:e})}_onlistprompts;get onlistprompts(){return this._onlistprompts}set onlistprompts(e){this.warnIfRequestHandlerReplaced(`onlistprompts`,this._onlistprompts,e),this._onlistprompts=e,this.replaceRequestHandler(Ut,async(e,t)=>{if(!this._onlistprompts)throw Error(`No onlistprompts handler set`);return this._onlistprompts(e.params,t)})}sendPromptListChanged(e={}){return this.notification({method:`notifications/prompts/list_changed`,params:e})}assertCapabilityForMethod(e){}assertRequestHandlerCapability(e){}assertNotificationCapability(e){}assertTaskCapability(e){throw Error(`Tasks are not supported in MCP Apps`)}assertTaskHandlerCapability(e){throw Error(`Task handlers are not supported in MCP Apps`)}getCapabilities(){return this._capabilities}async _oninitialize(e){let t=e.params.protocolVersion;return this._appInfo!==void 0&&console.warn(`[ext-apps] AppBridge received a second ui/initialize. The View may be double-mounting (e.g. React StrictMode in dev) without closing the previous App instance. Responding normally; the latest appInfo/appCapabilities replace the previous values.`),this._appCapabilities=e.params.appCapabilities,this._appInfo=e.params.appInfo,{protocolVersion:Br.includes(t)?t:hr,hostCapabilities:this.getCapabilities(),hostInfo:this._hostInfo,hostContext:this._hostContext}}setHostContext(e){let t={},n=!1;for(let r of Object.keys(e)){let i=this._hostContext[r],a=e[r];pr(i,a)||(t[r]=a,n=!0)}n&&(this._hostContext=e,this.sendHostContextChange(t))}sendHostContextChange(e){return this.notification({method:`ui/notifications/host-context-changed`,params:e})}sendToolInput(e){return this.notification({method:`ui/notifications/tool-input`,params:e})}sendToolInputPartial(e){return this.notification({method:`ui/notifications/tool-input-partial`,params:e})}sendToolResult(e){return this.notification({method:`ui/notifications/tool-result`,params:e})}sendToolCancelled(e){return this.notification({method:`ui/notifications/tool-cancelled`,params:e})}sendSandboxResourceReady(e){return this.notification({method:`ui/notifications/sandbox-resource-ready`,params:e})}teardownResource(e,t){return this.request({method:`ui/resource-teardown`,params:e},Er,t)}sendResourceTeardown=this.teardownResource;callTool(e,t){return this.request({method:`tools/call`,params:e},Y,t)}listTools(e,t){return this.request({method:`tools/list`,params:e},sn,t)}async connect(e){if(this.transport)throw Error(`AppBridge is already connected. 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    }
    .mount {
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    .mount:empty {
      min-height: 0;
    }
    iframe {
      display: block;
      width: 100%;
      border: 0;
      background: var(--board-surface, transparent);
    }
    .error {
      padding: 14px;
      color: var(--danger, #dc2626);
      font-size: 13px;
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Set,frameHeight:this.height,iframe:s,transport:null,disposed:!1};i=c,this.resources=c,t.addEventListener(`abort`,()=>void this.teardownResources(c),{once:!0});let l=new Promise((e,t)=>{let n=window.setTimeout(()=>{i(),t(Error(h(`mcpApp.errors.sandboxTimedOut`)))},15e3),r=t=>{t.source===s.contentWindow&&t.data?.method===`ui/notifications/sandbox-proxy-ready`&&(i(),e())},i=this.addResourceCleanup(c,()=>{window.clearTimeout(n),window.removeEventListener(`message`,r)});window.addEventListener(`message`,r)});if(s.src=Te(a.sandboxUrl,a.sandboxPort,a.sandboxOrigin,this.context?.gateway.connection.gatewayUrl??``,window.location.origin),await l,t.throwIfAborted(),!s.contentWindow)throw Error(h(`mcpApp.errors.sandboxUnavailable`));let u=new Xr(null,{name:`OpenClaw`,version:`1.0.0`},Ee(a.csp,a.messageSupported===!0,a.updateModelContextSupported===!0,a.messageSupported===!0),{hostContext:Jr(o,this.height)});c.bridge=u;let d=(t,n)=>this.request(e,t,n),f=()=>{this.teardown()};if(u.onrequestteardown=f,this.addResourceCleanup(c,()=>{u.onrequestteardown===f&&(u.onrequestteardown=void 0)}),a.messageSupported===!0){let e=`${n}\0${r}`;u.setMessageHandler(async({content:t})=>{let n=t.length===1?t[0]:void 0,r=n?.type===`text`?n.text:null;return De(s,r,e,e=>window.confirm(`${h(`common.confirm`)}:\n\n${e}`))?{}:{isError:!0}})}a.updateModelContextSupported===!0&&u.setUpdateModelContextHandler(async e=>(await d(`mcp.app.updateModelContext`,{...e}),{})),u.oncalltool=async e=>await d(`mcp.app.callTool`,{toolName:e.name,arguments:e.arguments}),u.setListToolsHandler(async e=>await d(`mcp.app.listTools`,e?.cursor?{cursor:e.cursor}:{})),u.onlistresources=async e=>await d(`mcp.app.listResources`,e?.cursor?{cursor:e.cursor}:{}),u.onlistresourcetemplates=async e=>await d(`mcp.app.listResourceTemplates`,e?.cursor?{cursor:e.cursor}:{}),u.onreadresource=async e=>await d(`mcp.app.readResource`,{uri:e.uri}),u.onopenlink=async({url:e})=>Ae(e)?{}:{isError:!0},u.onsizechange=({height:e})=>{if(e!==void 0&&!this.fixedHeight){let t=Math.min(1200,Math.max(160,Math.round(e)));c.frameHeight=t,s.style.height=`${t}px`,u.setHostContext(Jr(o,t))}};let ee=new Promise(e=>{u.oninitialized=()=>e()}),te=new zr(s.contentWindow,s.contentWindow);c.transport=te,await u.connect(te),t.throwIfAborted(),await u.sendSandboxResourceReady({html:a.html,csp:a.csp});let p,ne=this.addResourceCleanup(c,()=>{p!==void 0&&window.clearTimeout(p)});try{await Promise.race([ee,new Promise((e,t)=>{p=window.setTimeout(()=>t(Error(h(`mcpApp.errors.initializationTimedOut`))),15e3)})])}finally{ne()}t.throwIfAborted();let m=()=>u.setHostContext(Jr(o,c.frameHeight)),re=this.context?.theme.subscribe(m);if(re&&this.addResourceCleanup(c,re),typeof ResizeObserver<`u`){let e=new ResizeObserver(m);e.observe(o),this.addResourceCleanup(c,()=>e.disconnect())}return await qr(),t.throwIfAborted(),await u.sendToolInput({arguments:a.toolInput&&typeof a.toolInput==`object`&&!Array.isArray(a.toolInput)?a.toolInput:{}}),await u.sendToolResult(a.toolResult),t.throwIfAborted(),c}catch(e){throw await this.teardownResources(i),e}}render(){let e=this.setupTask.status===le.ERROR?this.setupTask.error:null,t=e?h(`mcpApp.unavailable`,{error:c(e,h(`mcpApp.errors.requestFailed`))}):null;return ee`<div ${d(this.mount)} class="mount"></div>
      ${t?ee`<div class="error">${t}</div>`:ne}`}},a([n({context:ae,subscribe:!0})],$.prototype,`context`,void 0),a([m({attribute:!1})],$.prototype,`sessionKey`,void 0),a([m({attribute:!1})],$.prototype,`viewId`,void 0),a([m({type:Number})],$.prototype,`height`,void 0),a([m({type:Boolean})],$.prototype,`fixedHeight`,void 0),a([m()],$.prototype,`title`,void 0)})))()}function Qr(){customElements.get(`mcp-app-view`)||customElements.define(`mcp-app-view`,$)}function $r(){return($r=t((()=>{Zr(),Qr()})))()}$r();export{Qr as registerMcpAppView};
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