Function onCancel

src/screens/REPL.tsx:2106–2163

()

    prevDialogRef.current = focusedInputDialog;
  }, [focusedInputDialog, repinScroll]);
  function onCancel() {
    if (focusedInputDialog === 'elicitation') {
      // Elicitation dialog handles its own Escape, and closing it shouldn't affect any loading state.
      return;
    }
    logForDebugging(`[onCancel] focusedInputDialog=${focusedInputDialog} streamMode=${streamMode}`);

    // Pause proactive mode so the user gets control back.
    // It will resume when they submit their next input (see onSubmit).
    if (feature('PROACTIVE') || feature('KAIROS')) {
      proactiveModule?.pauseProactive();
    }
    queryGuard.forceEnd();
    skipIdleCheckRef.current = false;

    // Preserve partially-streamed text so the user can read what was
    // generated before pressing Esc. Pushed before resetLoadingState clears
    // streamingText, and before query.ts yields the async interrupt marker,
    // giving final order [user, partial-assistant, [Request interrupted by user]].
    if (streamingText?.trim()) {
      setMessages(prev => [...prev, createAssistantMessage({
        content: streamingText
      })]);
    }
    resetLoadingState();

    // Clear any active token budget so the backstop doesn't fire on
    // a stale budget if the query generator hasn't exited yet.
    if (feature('TOKEN_BUDGET')) {
      snapshotOutputTokensForTurn(null);
    }
    if (focusedInputDialog === 'tool-permission') {
      // Tool use confirm handles the abort signal itself
      toolUseConfirmQueue[0]?.onAbort();
      setToolUseConfirmQueue([]);
    } else if (focusedInputDialog === 'prompt') {
      // Reject all pending prompts and clear the queue
      for (const item of promptQueue) {
        item.reject(new Error('Prompt cancelled by user'));
      }
      setPromptQueue([]);
      abortController?.abort('user-cancel');
    } else if (activeRemote.isRemoteMode) {
      // Remote mode: send interrupt signal to CCR
      activeRemote.cancelRequest();
    } else {
      abortController?.abort('user-cancel');
    }

    // Clear the controller so subsequent Escape presses don't see a stale
    // aborted signal. Without this, canCancelRunningTask is false (signal
    // defined but .aborted === true), so isActive becomes false if no other
    // activating conditions hold — leaving the Escape keybinding inactive.
    setAbortController(null);

    // forceEnd() skips the finally path — fire directly (aborted=true).
    void mrOnTurnComplete(messagesRef.current, true);
  }