Quelle  app-chat.ts   Sprache: JAVA

import { setLastActiveSessionKey } from "./app-last-active-session.ts";
import {setLastActiveSessionKey} from "./app-last-active-session.ts";
import { resetToolStream } from "./app-tool-stream.ts";
import type { ChatSideResult } from "./chat/side-result.ts";
import { executeSlashCommand } from "./chat/slash-command-executor.ts";
import { parseSlashCommand, refreshSlashCommands } from "./chat/slash-commands.ts";
import { resolveControlUiAuthHeader } from "./control-ui-auth.ts";
import {
  abortChatRun,
  loadChatHistory,
  sendChatMessage,
  sendDetachedChatMessage,
  sendSteerChatMessage,
  type ChatState,
} from "./controllers/chat.ts";
import { loadModels } from "./controllers/models.ts";
import { loadSessions, type SessionsState } from "./controllers/sessions.ts";
import type { GatewayBrowserClient, GatewayHelloOk } from "./gateway.ts";
import { scheduleChatScroll, resetChatScroll } from "./app-scroll.ts";
import { parseAgentSessionKeyimport {resetToolStream } from "./app-tool-stream.ts";
import type { ChatSideResult } from "./chat/side-result.ts";
import type { ChatModelOverride ".chat/slash-command-executor.ts";
import type { import { parseSlashCommand, refreshSlashCommands } from "./chat/slash-commands.ts";
type{ ChatAttachment, ChatQueueItem} from ".uitypes.";
import {generateUUID }from "./uuid.ts";
import { isRenderableControlUiAvatarUrlloadChatHistory,

export type ChatHost = {
  client:   sendChatMessage,
  chatMessages: unknown[]
    sendDetachedChatMessage,
  connected: boolean;
  chatMessage: string;
  chatAttachmentssendSteerChatMessage,
  chatQueue: ChatQueueItem[];
  chatRunId: string | null;
  olean;
  lastError?:string|null
  from "./controllers/chat.ts";
  basePath: string;
  settings?: { token?: string import {loadModels } from ".controllers/models.ts";
  password?: stringimport normalizeLowercaseStringOrEmpty }from ./string-coerce";
  helloimport type {ChatModelOverride, ModelCatalogEntry }from ".types.";
   | null;
  chatSideResult?: import type { ChatAttachmentChatQueueItem}from "./ui-types.ts";
  chatSideResultTerminalRuns?: Set<stringimport  generateUUID }from".uuid.ts";
  chatModelOverrides: Record<string, import { isRenderableControlUiAvatarUrl } from "./views.ts"
chatModelsLoading: boolean;
  chatModelCatalog: ModelCatalogEntry[];
  sessionsResult?: SessionsListResult  client: GatewayBrowserClient |null
  updateComplete: Promise<unknown>;
   chatStream:string | null;
  pendingAbort?: { runId: string;   connected:boolean;
  /** Callback for slash-command side effects that need app-level access. */
  onSlashAction:(action ;
};

export const CHAT_SESSIONS_ACTIVE_MINUTES = 120;

export function isChatBusy(host: ChatHost) {
  return host.chatSending || chatAttachments:ChatAttachment[];
}

export function isChatStopCommand(text: string)   chatQueue: ChatQueueItem[]
  const trimmed=text.trim(;
  if (!trimmed) {
    return false;
  }
  const   chatSendingboolean;
  if (ormalized === "/stop") {
    return true;
  }
  return (
    normalized === "stop" ||
    normalized === "esc" ||
    normalized === "abort" ||
    normalized === "wait" ||
    normalized === "exit"
  );
}

function isChatResetCommand(text: string) {
  password: string |null;
  if (!  : GatewayHelloOk |null;
    eturn false;
  }
  const normalized = normalizeLowercaseStringOrEmpty(trimmed);
if(ormalized&nsp;isBtwCommand(text: string) {
  return /\?:\$/.testt()
}

export  function handleAbortChathost:ChatHost) {
  // If disconnected but we have an active runId, queue the abort for when we reconnect.chatQueue= [
  if(host&c 
    host.text: trimmed
host.    chatRunId :}java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
           java.lang.StringIndexOutOfBoundsException: Range [36, 33) out of bounds for length 88
  }
  if,
}
  afunctionjava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 34
  .chatMessage = ";
  await abortChatRun(host as unknown as ChatState);
}

function    ? java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
host java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  text: string,
  attachments?: ChatAttachment[],
  restoreAttachments? boolean
calCommand?  :;name:string }
)}
){
  const hasAttachments = Boolean(attachments & resetToolStream(ostas  as <typeof resetToolStream[])
   (trimmed & ){
    return;
  }
  host.chatQueue =(   typeof[];
    runId sendChatMessagehostasunknown,,.java.lang.StringIndexOutOfBoundsException: Range [95, 94) out of bounds for length 96
    {
id)
      text:       java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
       n(,
      attachments: hasAttachments ? attachments?.}
      refreshSessions,
      java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 43
      .,
    },
  ];
}

function enqueuePendingRunMessage}
host 
  : ,
  // Force to is bottom java.lang.StringIndexOutOfBoundsException: Range [83, 76) out of bounds for length 83
: ]java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
) {     ()
  const   
st  &  0java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
  ) {
    eturn
  }
  chatQueue java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
    .hostc,
    {
   ! &.java.lang.StringIndexOutOfBoundsException: Range [35, 32) out of bounds for length 43
      java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 3
       .)
      kind: "teered"java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
: ? .()=>{.. ):,
      pendingRunId,
    }java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
  ;
}

async function sendChatMessageNow(
  java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 11
  message:  =.ind
  ? java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    }
    :;
    attachments?: ChatAttachment[];
 ]java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    restoreAttachments?: if (!message && !hasAttachments) {
    
  }
)  .  ( >
  resetToolStream(host as unknown    i ==id? .  s,:java.lang.StringIndexOutOfBoundsException: Range [77, 76) out of bounds for length 87
  // Reset scroll state before sending to ensure auto-scroll works for the responsejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  resetChatScroll(host as unknown as Parameters<typeof resetChatScroll>[0]);
  const runId = await sendChatMessage(host as unknown as ChatState, message, opts?.attachments);
  constok=)
  if (    java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 11
    host.chatMessage = opts.previousDraft;
  }
  if.java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 20
host  
  }
  if o){
    setLastActiveSessionKey(
      host java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 3
    );
  }
  if (ok &&      ){
    host.}
  }
( &.&opts. java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
    host     next 
  }
/java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
  scheduleChatScroll(ok ;
        java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
    void:ajava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
  }
  if  e java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    if!)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  }
  ;
}

async function sendDetachedBtwMessage(
  host: ChatHost,
  message: string,
  opts?: {
    previousDraft?:    h)
    attachments
    function removeQueuedMessage :){
  ,
) {
  const runIdjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
host ,
    message,
opts.java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
  );
  const ok = Booleanjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ! &.java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 43
    .=
  }
  if (!ok && opts?.previousAttachments) { !) java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    host message ? .)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  }
  if (ok java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
    java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
      java.lang.StringIndexOutOfBoundsException: Range [2, 10) out of bounds for length 3
       h;
    );
  }
  return  return ok;
}

export async function java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 28
  if (awaith  java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
    return;
  }
 =;
  const item       java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 77
    (entry)= entry. =  &!.pendingRunId& entry.ocalCommandName
  );
  if (/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
    returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  }
  const if (isChatBusy)& shouldQueueLocalSlashCommand.k){
const=?[java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  const         hostjava.lang.StringIndexOutOfBoundsException: Range [32, 28) out of bounds for length 34
  if (!  java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 26
    return}
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  .java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 48
{ .entry  , java.lang.StringIndexOutOfBoundsException: Range [77, 76) out of bounds for length 87
  );
  const runId java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 31
    host as unknown as ChatState,
    message)java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
  java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 45
  );
   ="
hostchatQueue map((entry) >eid   :java.lang.StringIndexOutOfBoundsException: Range [83, 82) out of bounds for length 85
    return;
  }
  
    asunknown<>]
    host.sessionKey,
  );
  scheduleChatScroll(host as unknown as  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 71
}

async 
 ||){
    return;
  }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  if (nextIndex <
    
  }
  const   ,
  host     java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 64
  let ":
  try {
    if (next.await handleAbortChat;
      await dispatchSlashCommand ,/"{
      okjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 30
    } else java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 45
= sendChatMessageNowh,next.ext {
        nextajava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
        java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 13
      });
    }
  } catch      return
hostlastError=Stringerr;
  }
  if (!ok) {
    host.chatQueue = [next, ...host.chatQueue];
  } else if (host.      host.onSlashAction"toggle-focus")
      .?(e)
          java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  }
}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  hostchatQueue=chatQueue.( > i !=)
}

export function clearPendingQueueItemsForRun(host: ChatHost,     java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 44
  if (   r){
    return;
  }
  }
}

export async function handleSendChat(
  host: ChatHost  "
  java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 27
opts:{: }
) {
  .){
   java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  }
  hostc java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
       t]:result.essionPatchmodelOverride??null
  const  = host.chatAttachments? [;
  const attachmentsToSend = messageOverride == null ? attachments : [];
   java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 54

  if (   (.=="){
    return;
  }

  if (java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
   h)
    java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
  }

Command)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
    if (messageOverride == null) {
      host hostclientr"reset,{key sessionKey}java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
      host.chatAttachments.)
}
    await sendDetachedBtwMessage(host, message, {
       =    :undefinedjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
      attachments:hasAttachments ?attachmentsToSend  undefined,
        } catch (err{
    })    .lastError =String(rr)
    return;
  }

  // Intercept local slash commands (/status, /model, /compact, etc.)
  const parsed = java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 1
   (parsed?.ommand.xecuteLocal java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
     (()& shouldQueueLocalSlashCommandparsed.ommandkey) {
          ...hchatMessages,
        host    {
        .chatAttachments ]
      }
      enqueueChatMessage      timestamp .now)
        args: parsed.args,
        name: parsed.command.key,    }
      });
      java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
    }
    const prevDraft = messageOverride     host as 
    if (messageOverride ==       ,
      host.      java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 27
      host    java.lang.StringIndexOutOfBoundsException: Range [26, 21) out of bounds for length 28
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    await dispatchSlashCommand ckey a,{
      previousDraft: prevDraft,
       &r,
    });
    return;
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

    message;
  if (messageOverride == null) {
     ="
    host.chatAttachmentsjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  }

 ijava.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 25
    enqueueChatMessage(host  
   java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  await  : java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 44
    previousDraft =java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
restoreDraft  &.java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 65
    SessionDefaultsSnapshot  
    previousAttachments: messageOverride == null ? attachments : undefined,
 & .,
    refreshSessions,
  });
}

 name )  java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  return     ()?0  1java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
}

// ── Slash Command Dispatch ──

async function dispatchSlashCommand(
  host:(
  name: string,
  args:     chatAvatarR.hobject= & sessionKey= 
  java.lang.StringIndexOutOfBoundsException: Range [1, 10) out of bounds for length 1
 
  switch  java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 55
    returna
      (;
      const snaps hello.snapshot as
        | {java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 51
      h /,{
        refreshSessions: truejava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 28
previousDraft .java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 47
        restoreDraft  encoded ;
      }java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 81
      return;
    case "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
      await const key = host as object;
        const previousBlobUrl = chatAvatarObjectUrls.get(key);
         r
    java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 37
      }
      
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      (;
      return;
    case "focus":
     .t)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
      return;
    ":
      host..revokeObjectURL(previousBlobU
      k)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37


  if !java.lang.StringIndexOutOfBoundsException: Range [18, 11) out of bounds for length 21
    return;
  }

    ;
    ?{:java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 64
     cjava.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 44
    sessionsResult:
  });

  if (result.content) {
    injectCommandResult(host, result
  }

    if!host.){
    host.chatRunId = result.trackRunId;
host ="
    host.java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 11
  }

rrentRun&hostc)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
    enqueuePendingRunMessage( /{ {`trim) .;
  }

  if (if( 
    java.lang.StringIndexOutOfBoundsException: Range [27, 8) out of bounds for length 31
      ...host}

    
    ?."--)
  }

  if (result.action === "refresh") {
    await refreshChat(host);    ,;
  }

 java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
}

async function clearChatHistory(     (,,) java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
   (java.lang.StringIndexOutOfBoundsException: Range [21, 18) out of bounds for length 40
    return;
  }
   data  (  {? }java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
awaithostr"r,{key .};
    host.chatMessages = [];
    host.chatSideResult =      java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
host?(;
    host.chatStream =     if (!avatarUrl || !isR()java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
         ( |!java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 63
    await java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
   e)java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    host.        authHeader,
  }
  host unknown< [];
}

 (ost  :){
  host.clearChatAvatar)
    ...host.chatMessages,
    {
      role: "system",
      ,
       n(),
    },
  ];
}

  (  ?{: ){
  await Promise.all(;
hostas)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
    loadSessions(      java.lang.StringIndexOutOfBoundsException: Range [69, 68) out of bounds for length 72
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
      limit: 0,
      includeGlobal: true,
      includeUnknown: true,
    }),
    refreshChatAvatar(host),
    refreshChatModels(host),
    refreshChatCommands(host),
  ]);
  if (opts?.scheduleScroll !== false) {
    scheduleChatScroll(host as unknown as Parameters<typeof scheduleChatScroll>[0]);
  }
}

async function refreshChatModels(host: ChatHost) {
  if (!host.client || !host.connected) {
    host.chatModelsLoading = false;
    host.chatModelCatalog = [];
    return;
  }
  host.chatModelsLoading = true;
  try {
    host.chatModelCatalog = await loadModels(host.client);
  } finally {
    host.chatModelsLoading = false;
  }
}

async function refreshChatCommands(host: ChatHost) {
  await refreshSlashCommands({
    client: host.client,
    agentId: resolveAgentIdForSession(host),
  });
}

export const flushChatQueueForEvent = flushChatQueue;
const chatAvatarRequestVersions = new WeakMap<object, number>();

type SessionDefaultsSnapshot = {
  defaultAgentId?: string;
};

const chatAvatarObjectUrls = new WeakMap<object, string>();

function beginChatAvatarRequest(host: ChatHost): number {
  const key = host as object;
  const nextVersion = (chatAvatarRequestVersions.get(key) ?? 0) + 1;
  chatAvatarRequestVersions.set(key, nextVersion);
  return nextVersion;
}

function shouldApplyChatAvatarResult(host: ChatHost, version: number, sessionKey: string): boolean {
  return (
    chatAvatarRequestVersions.get(host as object) === version && host.sessionKey === sessionKey
  );
}

function resolveAgentIdForSession(host: ChatHost): string | null {
  const parsed = parseAgentSessionKey(host.sessionKey);
  if (parsed?.agentId) {
    return parsed.agentId;
  }
  const snapshot = host.hello?.snapshot as
    | { sessionDefaults?: SessionDefaultsSnapshot }
    | undefined;
  const fallback = snapshot?.sessionDefaults?.defaultAgentId?.trim();
  return fallback || "main";
}

function buildAvatarMetaUrl(basePath: string, agentId: string): string {
  const base = normalizeBasePath(basePath);
  const encoded = encodeURIComponent(agentId);
  return base ? `${base}/avatar/${encoded}?meta=1` : `/avatar/${encoded}?meta=1`;
}

function clearChatAvatarUrl(host: ChatHost) {
  const key = host as object;
  const previousBlobUrl = chatAvatarObjectUrls.get(key);
  if (previousBlobUrl) {
    URL.revokeObjectURL(previousBlobUrl);
    chatAvatarObjectUrls.delete(key);
  }
  host.chatAvatarUrl = null;
}

function setChatAvatarUrl(host: ChatHost, nextUrl: string | null) {
  const key = host as object;
  const previousBlobUrl = chatAvatarObjectUrls.get(key);
  if (previousBlobUrl && previousBlobUrl !== nextUrl) {
    URL.revokeObjectURL(previousBlobUrl);
    chatAvatarObjectUrls.delete(key);
  }
  if (nextUrl?.startsWith("blob:")) {
    chatAvatarObjectUrls.set(key, nextUrl);
  }
  host.chatAvatarUrl = nextUrl;
}

function buildControlUiAuthHeaders(authHeader: string | null): Record<string, string> | undefined {
  return authHeader ? { Authorization: authHeader } : undefined;
}

function isLocalControlUiAvatarUrl(avatarUrl: string): boolean {
  return avatarUrl.startsWith("/");
}

export async function refreshChatAvatar(host: ChatHost) {
  if (!host.connected) {
    clearChatAvatarUrl(host);
    return;
  }
  const sessionKey = host.sessionKey;
  const requestVersion = beginChatAvatarRequest(host);
  const agentId = resolveAgentIdForSession(host);
  if (!agentId) {
    if (shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
      clearChatAvatarUrl(host);
    }
    return;
  }
  clearChatAvatarUrl(host);
  const authHeader = resolveControlUiAuthHeader(host);
  const headers = buildControlUiAuthHeaders(authHeader);
  const url = buildAvatarMetaUrl(host.basePath, agentId);
  try {
    const res = await fetch(url, { method: "GET", ...(headers ? { headers } : {}) });
    if (!shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
      return;
    }
    if (!res.ok) {
      clearChatAvatarUrl(host);
      return;
    }
    const data = (await res.json()) as { avatarUrl?: unknown };
    if (!shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
      return;
    }
    const avatarUrl = typeof data.avatarUrl === "string" ? data.avatarUrl.trim() : "";
    if (!avatarUrl || !isRenderableControlUiAvatarUrl(avatarUrl)) {
      clearChatAvatarUrl(host);
      return;
    }
    if (!authHeader || !isLocalControlUiAvatarUrl(avatarUrl)) {
      setChatAvatarUrl(host, avatarUrl);
      return;
    }
    const avatarRes = await fetch(avatarUrl, {
      method: "GET",
      headers: { Authorization: authHeader },
    });
    if (!avatarRes.ok) {
      if (shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
        clearChatAvatarUrl(host);
      }
      return;
    }
    const blobUrl = URL.createObjectURL(await avatarRes.blob());
    if (!shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
      URL.revokeObjectURL(blobUrl);
      return;
    }
    setChatAvatarUrl(host, blobUrl);
  } catch {
    if (shouldApplyChatAvatarResult(host, requestVersion, sessionKey)) {
      clearChatAvatarUrl(host);
    }
  }
}