Method handleSubmit

chat/components/ShareModals.js:1600–1680

()

        modal.onclick = (e) => { if (e.target === modal) this.cleanup(); };

        // Auto-focus input when typing anywhere in the modal (while form is visible)
        modal.addEventListener('keydown', (e) => {
            if (formSection.classList.contains('hidden')) return;
            if (e.key === 'Escape' || e.key === 'Enter' || e.key === 'Tab') return;
            if (e.metaKey || e.ctrlKey || e.altKey) return;

            const activeEl = document.activeElement;
            const isInputFocused = activeEl && (activeEl.tagName === 'INPUT' || activeEl.tagName === 'TEXTAREA');
            if (isInputFocused) return;

            // Focus the appropriate input for typing
            if (currentMode === 'pin') {
                pinInput?.focus();
            } else {
                passwordInput?.focus();
            }
        });

        // Escape key closes modal
        const handleEscape = (e) => { if (e.key === 'Escape') this.cleanup(); };
        document.addEventListener('keydown', handleEscape);
        this._escapeHandler = handleEscape;

        // Submit handler
        const handleSubmit = async () => {
            const pinValue = pinInput?.value || '';
            const passwordValue = passwordInput?.value || '';

            // Validate PIN: must be empty (no encryption) or exactly 6 characters
            if (currentMode === 'pin' && pinValue.length > 0 && pinValue.length < 6) {
                // Shake the PIN boxes to indicate error
                const pinBoxes = modal.querySelector('.pin-boxes');
                if (pinBoxes) {
                    pinBoxes.classList.add('shake');
                    setTimeout(() => pinBoxes.classList.remove('shake'), 500);
                }
                pinInput?.focus();
                return;
            }

            const ttlSeconds = getTtlSeconds();
            if (ttlSeconds === null) return; // invalid custom expiry is shown inline

            const password = currentMode === 'pin'
                ? (pinValue || null)
                : (passwordValue || null);

            const settings = {
                password,
                ttlSeconds,
                shareApiKeyMetadata: apiMetadataCheckbox?.checked || false
            };

            // Show loading state
            const submitBtn = modal.querySelector('#submit-btn');
            if (submitBtn) {
                submitBtn.disabled = true;
                submitBtn.textContent = 'Sharing...';