Function useCreationWorkspace

src/browser/features/ChatInput/useCreationWorkspace.ts:213–775

({
  projectPath,
  onWorkspaceCreated,
  message,
  subProjectPath,
  draftId,
  dynamicWorkflowsEnabled = false,
  userModel,
}: UseCreationWorkspaceOptions)

 * - Message sending with workspace creation
 */
export function useCreationWorkspace({
  projectPath,
  onWorkspaceCreated,
  message,
  subProjectPath,
  draftId,
  dynamicWorkflowsEnabled = false,
  userModel,
}: UseCreationWorkspaceOptions): UseCreationWorkspaceReturn {
  const workspaceContext = useOptionalWorkspaceContext();
  const promoteWorkspaceDraft = workspaceContext?.promoteWorkspaceDraft;
  const deleteWorkspaceDraft = workspaceContext?.deleteWorkspaceDraft;
  const { currentWorkspaceId, currentProjectId, pendingDraftId } = useRouter();
  const isMountedRef = useRef(true);
  const latestRouteRef = useRef({ currentWorkspaceId, currentProjectId, pendingDraftId });

  useEffect(() => {
    isMountedRef.current = true;
    return () => {
      isMountedRef.current = false;
    };
  }, []);

  // Keep router state fresh synchronously so auto-navigation checks don't lag behind route changes.
  latestRouteRef.current = { currentWorkspaceId, currentProjectId, pendingDraftId };
  const { api } = useAPI();
  const { getProjectConfig, refreshProjects, loading: projectsLoading } = useProjectContext();
  const { config: providersConfig } = useProvidersConfig();
  const [branches, setBranches] = useState<string[]>([]);
  const [branchesLoaded, setBranchesLoaded] = useState(false);
  const [recommendedTrunk, setRecommendedTrunk] = useState<string | null>(null);
  const [toast, setToast] = useState<Toast | null>(null);
  const [isSending, setIsSending] = useState(false);
  const [trustPrompt, setTrustPrompt] = useState<{
    resolve: (trusted: boolean) => void;
    /** Snapshot of the project path that triggered the trust prompt,
     * so onConfirm trusts the correct project even if the user navigates. */
    projectPath: string;
  } | null>(null);
  // The confirmed identity being used for workspace creation (set after waitForGeneration resolves)
  const [creatingWithIdentity, setCreatingWithIdentity] = useState<WorkspaceIdentity | null>(null);
  const [runtimeAvailabilityState, setRuntimeAvailabilityState] =
    useState<RuntimeAvailabilityState>({ status: "loading" });

  // Centralized draft workspace settings with automatic persistence
  const {
    settings,
    coderConfigFallback,
    sshHostFallback,
    setSelectedRuntime,
    setDefaultRuntimeChoice,
    setTrunkBranch,
  } = useDraftWorkspaceSettings(projectPath, branches, recommendedTrunk);

  // Persist draft workspace name generation state per draft (so multiple drafts don't share a
  // single auto-naming/manual-name state).
  const workspaceNameScopeId =
    projectPath.trim().length > 0