[{"data":1,"prerenderedAt":46},["ShallowReactive",2],{"docs:core-concepts/runtime-streams":3},{"title":4,"navTitle":4,"description":5,"api":6,"html":7,"toc":8,"path":35,"tab":36,"group":37,"prev":38,"next":41,"markdownUrl":44,"sourceUrl":45,"lastModified":6},"Runtime streams","Exchange live bytes with the execution host of a thread",null,"\u003Ch2 id=\"what-is-a-runtime-stream\">\u003Ca class=\"docs-anchor\" href=\"#what-is-a-runtime-stream\" aria-label=\"Link to this section\">\u003C/a>What is a runtime stream?\u003C/h2>\n\u003Cp>A runtime stream is a live, two-way byte stream between agent code and the thread's execution host. The execution host is the client that runs work for the thread outside the Worker, such as a process on a workstation.\u003C/p>\n\u003Cp>Agent code opens a stream with \u003Ccode>state.runtimeStreams.open()\u003C/code>. The runtime carries the bytes and does not read them. The capability name and the metadata have meaning only to your agent code and your execution host.\u003C/p>\n\u003Cp>Use a runtime stream when a tool must send or receive a large or continuous byte sequence, such as media, an archive, or the output of a long process.\u003C/p>\n\u003Ch2 id=\"feature-detection\">\u003Ca class=\"docs-anchor\" href=\"#feature-detection\" aria-label=\"Link to this section\">\u003C/a>Feature detection\u003C/h2>\n\u003Cp>\u003Ccode>runtimeStreams\u003C/code> is an optional member of \u003Ccode>ThreadState\u003C/code> in the Standard Agent Specification. Standard Agents Builder provides it on every \u003Ccode>ThreadState\u003C/code>. Check for it before use, so the same code runs on a runtime that omits it:\u003C/p>\n\u003Cfigure class=\"docs-code\" data-docs=\"code\" data-lang=\"typescript\">\u003Cpre class=\"shiki shiki-themes one-light github-dark\" style=\"--shiki-light:#383A42;--shiki-dark:#e1e4e8;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#24292e\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> runtimeStreams\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> state.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">runtimeStreams\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">!\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">runtimeStreams) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">  return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'error'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'This runtime has no runtime streams.'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">}\u003C/span>\u003C/span>\u003C/code>\u003C/pre>\u003C/figure>\n\u003Ch2 id=\"opening-a-stream\">\u003Ca class=\"docs-anchor\" href=\"#opening-a-stream\" aria-label=\"Link to this section\">\u003C/a>Opening a stream\u003C/h2>\n\u003Cfigure class=\"docs-code\" data-docs=\"code\" data-lang=\"typescript\">\u003Cpre class=\"shiki shiki-themes one-light github-dark\" style=\"--shiki-light:#383A42;--shiki-dark:#e1e4e8;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#24292e\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> opened\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> runtimeStreams.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">open\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">({\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">  capability\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'workstation_transcoder'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">,\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">  metadata\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">inputFormat\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'wav'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">outputFormat\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'opus'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> },\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">  timeoutMs\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> 10_000\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">,\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">});\u003C/span>\u003C/span>\u003C/code>\u003C/pre>\u003C/figure>\n\u003Cdiv class=\"docs-table\">\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>Property\u003C/th>\n\u003Cth>Type\u003C/th>\n\u003Cth>Description\u003C/th>\n\u003C/tr>\n\u003C/thead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Ccode>capability\u003C/code>\u003C/td>\n\u003Ctd>\u003Ccode>string\u003C/code>\u003C/td>\n\u003Ctd>The name of the host capability to open\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>\u003Ccode>metadata\u003C/code>\u003C/td>\n\u003Ctd>\u003Ccode>Record<string, unknown>\u003C/code>\u003C/td>\n\u003Ctd>Configuration that the runtime delivers to the host unchanged\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>\u003Ccode>timeoutMs\u003C/code>\u003C/td>\n\u003Ctd>\u003Ccode>number\u003C/code>\u003C/td>\n\u003Ctd>The time limit for opening the stream, measured from the call. It covers waiting for a disconnected owner to reconnect and waiting for the client to accept. Standard Agents Builder uses 30 seconds when you omit it\u003C/td>\n\u003C/tr>\n\u003C/tbody>\n\u003C/table>\u003C/div>\n\u003Cp>\u003Ccode>metadata\u003C/code> and \u003Ccode>timeoutMs\u003C/code> are optional.\u003C/p>\n\u003Cp>\u003Ccode>open()\u003C/code> does not throw for a refused or unavailable stream. It resolves to a result:\u003C/p>\n\u003Cfigure class=\"docs-code\" data-docs=\"code\" data-lang=\"typescript\">\u003Cpre class=\"shiki shiki-themes one-light github-dark\" style=\"--shiki-light:#383A42;--shiki-dark:#e1e4e8;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#24292e\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">type\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> RuntimeStreamResult\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">  |\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">ok\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#79B8FF\"> true\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">; \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">stream\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> RuntimeByteStream\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">  |\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">ok\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#79B8FF\"> false\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">; \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#79B8FF\"> string\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">; \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">code\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">?:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> RuntimeStreamErrorCode\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\u003C/code>\u003C/pre>\u003C/figure>\n\u003Ch3 id=\"failure-codes\">\u003Ca class=\"docs-anchor\" href=\"#failure-codes\" aria-label=\"Link to this section\">\u003C/a>Failure codes\u003C/h3>\n\u003Cdiv class=\"docs-table\">\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>Code\u003C/th>\n\u003Cth>Meaning in Standard Agents Builder\u003C/th>\n\u003C/tr>\n\u003C/thead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Ccode>unavailable\u003C/code>\u003C/td>\n\u003Ctd>No execution host is connected to the thread, or the host could not be reached\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>\u003Ccode>refused\u003C/code>\u003C/td>\n\u003Ctd>The execution host answered the request with an error\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>\u003Ccode>timeout\u003C/code>\u003C/td>\n\u003Ctd>The execution host did not accept the stream within the time limit\u003C/td>\n\u003C/tr>\n\u003Ctr>\n\u003Ctd>\u003Ccode>unsupported\u003C/code>\u003C/td>\n\u003Ctd>A parent thread runs a runtime version that cannot carry the stream\u003C/td>\n\u003C/tr>\n\u003C/tbody>\n\u003C/table>\u003C/div>\n\u003Cp>When the thread has a recorded execution host whose connection is closed, Standard Agents Builder signals that host to reconnect and waits up to the time limit. When the thread has no recorded execution host, \u003Ccode>open()\u003C/code> returns \u003Ccode>unavailable\u003C/code> at once.\u003C/p>\n\u003Ch2 id=\"the-stream\">\u003Ca class=\"docs-anchor\" href=\"#the-stream\" aria-label=\"Link to this section\">\u003C/a>The stream\u003C/h2>\n\u003Cfigure class=\"docs-code\" data-docs=\"code\" data-lang=\"typescript\">\u003Cpre class=\"shiki shiki-themes one-light github-dark\" style=\"--shiki-light:#383A42;--shiki-dark:#e1e4e8;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#24292e\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">interface\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> RuntimeByteStream\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">  readonly\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\"> readable\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> ReadableStream\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"><\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\">Uint8Array\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">>;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">  readonly\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\"> writable\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> WritableStream\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"><\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\">Uint8Array\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">>;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">  readonly\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\"> closed\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> Promise\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"><{ \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">ok\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#79B8FF\"> boolean\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">; \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">?:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#79B8FF\"> string\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> }>;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">  close\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">reason\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">?:\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#79B8FF\"> string\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">)\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#79B8FF\"> void\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">}\u003C/span>\u003C/span>\u003C/code>\u003C/pre>\u003C/figure>\n\u003Cul>\n\u003Cli>\u003Ccode>readable\u003C/code> carries bytes from the execution host to your code.\u003C/li>\n\u003Cli>\u003Ccode>writable\u003C/code> carries bytes from your code to the execution host.\u003C/li>\n\u003Cli>Bytes arrive in the order they were written, in both directions.\u003C/li>\n\u003Cli>Closing \u003Ccode>writable\u003C/code> ends your side of the stream. The host can continue to send bytes through \u003Ccode>readable\u003C/code>.\u003C/li>\n\u003Cli>\u003Ccode>close(reason?)\u003C/code> aborts the stream in both directions. A second call does nothing.\u003C/li>\n\u003Cli>\u003Ccode>closed\u003C/code> settles once with the final outcome of the stream.\u003C/li>\n\u003C/ul>\n\u003Ch2 id=\"lifetime\">\u003Ca class=\"docs-anchor\" href=\"#lifetime\" aria-label=\"Link to this section\">\u003C/a>Lifetime\u003C/h2>\n\u003Cp>A runtime stream is a live resource. Standard Agents Builder does not store it:\u003C/p>\n\u003Cul>\n\u003Cli>A stream ends with an error when the execution host disconnects.\u003C/li>\n\u003Cli>A stream does not continue after the thread's Durable Object restarts.\u003C/li>\n\u003Cli>A stream opened by a child thread travels through the nearest parent thread that has an execution host.\u003C/li>\n\u003C/ul>\n\u003Cp>Call \u003Ccode>stream.close()\u003C/code> in a \u003Ccode>finally\u003C/code> block, so a stream never stays open after your code returns.\u003C/p>\n\u003Ch2 id=\"example\">\u003Ca class=\"docs-anchor\" href=\"#example\" aria-label=\"Link to this section\">\u003C/a>Example\u003C/h2>\n\u003Cp>This tool sends a file from the thread's file system to a host transcoder and stores the result:\u003C/p>\n\u003Cfigure class=\"docs-code\" data-docs=\"code\" data-lang=\"typescript\">\u003Cpre class=\"shiki shiki-themes one-light github-dark\" style=\"--shiki-light:#383A42;--shiki-dark:#e1e4e8;--shiki-light-bg:#FAFAFA;--shiki-dark-bg:#24292e\" tabindex=\"0\">\u003Ccode>\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A0A1A7;--shiki-light-font-style:italic;--shiki-dark:#6A737D;--shiki-dark-font-style:inherit\">// agents/tools/transcode_audio.ts\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">import\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">defineTool\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> } \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">from\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> '@standardagents/spec'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">import\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">z\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> } \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">from\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'zod'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">export\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#F97583\"> default\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\"> defineTool\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">({\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">  description\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'Transcode a WAV file from the thread file system to Opus.'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">,\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">  args\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> z.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">object\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">({\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">    path\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> z.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">string\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">().\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">describe\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\">'Path of the WAV file'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">),\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">  }),\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">  execute\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> async\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">state\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#FFAB70\">args\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">=>\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> runtimeStreams\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> state.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">runtimeStreams\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">!\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">runtimeStreams\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'error'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'This runtime has no runtime streams.'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> source\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> state.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">readFile\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(args.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">path\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">!\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">source\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'error'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> `File not found: \u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">${\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">args\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\">.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">path\u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">}\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\">`\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> opened\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> runtimeStreams.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">open\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">({\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">      capability\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'workstation_transcoder'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">,\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">      metadata\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">inputFormat\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'wav'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">outputFormat\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'opus'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> },\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">      timeoutMs\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> 10_000\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">,\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    });\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">!\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">opened.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">ok\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'error'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> opened.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    const\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\">stream\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> } \u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">=\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\"> opened\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">    try\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> writer\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> stream.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">writable\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">getWriter\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      try\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">        await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> writer.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">write\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">new\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\"> Uint8Array\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">source\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">));\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">        await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> writer.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">close\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      } \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">finally\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">        writer.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">releaseLock\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> chunks\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">:\u003C/span>\u003Cspan style=\"--shiki-light:#C18401;--shiki-dark:#B392F0\"> Uint8Array\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">[] \u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">=\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> [];\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      let\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\"> size\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> 0\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> reader\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> stream.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">readable\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">getReader\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      try\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">        for\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (;;) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">          const\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\">value\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\">done\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> } \u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">=\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> reader.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">read\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">          if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">done\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">break\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">          chunks.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">push\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">value\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">          size\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> +=\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> value.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">byteLength\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">        }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      } \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">finally\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">        reader.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">releaseLock\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> outcome\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> stream.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">closed\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      if\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\">!\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">outcome.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">ok\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">        return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'error'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> outcome.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">error\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> ??\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'The transcoder stream failed.'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> output\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> new\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\"> Uint8Array\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">size\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      let\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\"> offset\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> 0\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      for\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> chunk\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\"> of\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\"> chunks\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">) {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">        output.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">set\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">chunk\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">offset\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">        offset\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> +=\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> chunk.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">byteLength\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">;\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      const\u003C/span>\u003Cspan style=\"--shiki-light:#986801;--shiki-dark:#79B8FF\"> target\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#F97583\"> =\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> args.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">path\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">replace\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#9ECBFF\">/\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-light-font-weight:inherit;--shiki-dark:#85E89D;--shiki-dark-font-weight:bold\">\\.\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#DBEDFF\">wav\u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">$\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#9ECBFF\">/\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\">'.opus'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      await\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> state.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">writeFile\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">(\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">target\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, output.\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">buffer\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\">'audio/ogg'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">);\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">      return\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> { \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">status\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> 'success'\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">, \u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">result\u003C/span>\u003Cspan style=\"--shiki-light:#0184BC;--shiki-dark:#E1E4E8\">:\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> `Wrote \u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">${\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">target\u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">}\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> (\u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">${\u003C/span>\u003Cspan style=\"--shiki-light:#E45649;--shiki-dark:#E1E4E8\">size\u003C/span>\u003Cspan style=\"--shiki-light:#CA1243;--shiki-dark:#9ECBFF\">}\u003C/span>\u003Cspan style=\"--shiki-light:#50A14F;--shiki-dark:#9ECBFF\"> bytes).`\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> };\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    } \u003C/span>\u003Cspan style=\"--shiki-light:#A626A4;--shiki-dark:#F97583\">finally\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\"> {\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">      stream.\u003C/span>\u003Cspan style=\"--shiki-light:#4078F2;--shiki-dark:#B392F0\">close\u003C/span>\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">();\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">    }\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">  },\u003C/span>\u003C/span>\n\u003Cspan class=\"line\">\u003Cspan style=\"--shiki-light:#383A42;--shiki-dark:#E1E4E8\">});\u003C/span>\u003C/span>\u003C/code>\u003C/pre>\u003C/figure>\n\u003Ch2 id=\"next-steps\">\u003Ca class=\"docs-anchor\" href=\"#next-steps\" aria-label=\"Link to this section\">\u003C/a>Next steps\u003C/h2>\n\u003Cdiv class=\"docs-card-group\" data-cols=\"2\">\u003Ca class=\"docs-card\" href=\"/docs/core-concepts/tools\">\u003Cspan class=\"docs-icon\" data-icon=\"wrench\">\u003C/span>\u003Cspan class=\"docs-card-title\">Tools\u003C/span>\u003Cdiv class=\"docs-card-body\">\u003Cp>Open runtime streams from tool code\u003C/p>\u003C/div>\u003C/a>\u003Ca class=\"docs-card\" href=\"/docs/core-concepts/flowstate\">\u003Cspan class=\"docs-icon\" data-icon=\"database\">\u003C/span>\u003Cspan class=\"docs-card-title\">ThreadState\u003C/span>\u003Cdiv class=\"docs-card-body\">\u003Cp>See the other members of the state object\u003C/p>\u003C/div>\u003C/a>\u003C/div>",[9,13,16,19,23,26,29,32],{"id":10,"text":11,"depth":12},"what-is-a-runtime-stream","What is a runtime stream?",2,{"id":14,"text":15,"depth":12},"feature-detection","Feature detection",{"id":17,"text":18,"depth":12},"opening-a-stream","Opening a stream",{"id":20,"text":21,"depth":22},"failure-codes","Failure codes",3,{"id":24,"text":25,"depth":12},"the-stream","The stream",{"id":27,"text":28,"depth":12},"lifetime","Lifetime",{"id":30,"text":31,"depth":12},"example","Example",{"id":33,"text":34,"depth":12},"next-steps","Next steps","core-concepts/runtime-streams","docs","Core Concepts",{"path":39,"title":40,"navTitle":40},"core-concepts/flowstate","ThreadState",{"path":42,"title":43,"navTitle":43},"core-concepts/utilities","Utilities","/docs/core-concepts/runtime-streams.md","https://github.com/standardagents/agentbuilder/blob/main/docs/core-concepts/runtime-streams.mdx",1794580509112]