349 lines
16 KiB
TypeScript
349 lines
16 KiB
TypeScript
import { useState, useMemo, useRef, useEffect, useCallback } from 'react';
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import { X, Sparkles, Search, Pin, Trash2 } from 'lucide-react';
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import type { Session } from '../types';
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import { useT } from '../hooks/useLocale';
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import { SessionIcon } from './SessionIcon';
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const PINNED_KEY = 'pinchchat-pinned-sessions';
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const WIDTH_KEY = 'pinchchat-sidebar-width';
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const MIN_WIDTH = 220;
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const MAX_WIDTH = 480;
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const DEFAULT_WIDTH = 288; // w-72
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function getSavedWidth(): number {
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try {
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const v = localStorage.getItem(WIDTH_KEY);
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if (v) {
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const n = Number(v);
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if (n >= MIN_WIDTH && n <= MAX_WIDTH) return n;
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}
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} catch { /* noop */ }
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return DEFAULT_WIDTH;
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}
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function getPinnedSessions(): Set<string> {
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try {
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const raw = localStorage.getItem(PINNED_KEY);
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if (raw) return new Set(JSON.parse(raw) as string[]);
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} catch { /* noop */ }
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return new Set();
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}
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function savePinnedSessions(pinned: Set<string>) {
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try {
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localStorage.setItem(PINNED_KEY, JSON.stringify([...pinned]));
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} catch { /* noop */ }
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}
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interface Props {
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sessions: Session[];
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activeSession: string;
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onSwitch: (key: string) => void;
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onDelete: (key: string) => void;
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open: boolean;
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onClose: () => void;
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}
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export function Sidebar({ sessions, activeSession, onSwitch, onDelete, open, onClose }: Props) {
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const t = useT();
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const [filter, setFilter] = useState('');
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const [focusIdx, setFocusIdx] = useState(-1);
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const [pinned, setPinned] = useState(getPinnedSessions);
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const [width, setWidth] = useState(getSavedWidth);
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const [dragging, setDragging] = useState(false);
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const [confirmDelete, setConfirmDelete] = useState<string | null>(null);
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const searchRef = useRef<HTMLInputElement>(null);
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const listRef = useRef<HTMLDivElement>(null);
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const dragRef = useRef({ startX: 0, startW: 0 });
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// Drag-to-resize logic
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useEffect(() => {
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if (!dragging) return;
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const onMove = (e: MouseEvent | TouchEvent) => {
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const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX;
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const newW = Math.min(MAX_WIDTH, Math.max(MIN_WIDTH, dragRef.current.startW + (clientX - dragRef.current.startX)));
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setWidth(newW);
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};
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const onUp = () => {
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setDragging(false);
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// persist on release
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localStorage.setItem(WIDTH_KEY, String(width));
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};
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document.addEventListener('mousemove', onMove);
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document.addEventListener('mouseup', onUp);
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document.addEventListener('touchmove', onMove);
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document.addEventListener('touchend', onUp);
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return () => {
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document.removeEventListener('mousemove', onMove);
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document.removeEventListener('mouseup', onUp);
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document.removeEventListener('touchmove', onMove);
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document.removeEventListener('touchend', onUp);
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};
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}, [dragging, width]);
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// Save width when it changes (debounced via drag end above, but also on unmount)
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useEffect(() => {
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return () => { try { localStorage.setItem(WIDTH_KEY, String(width)); } catch { /* noop */ } };
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}, [width]);
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const startDrag = useCallback((e: React.MouseEvent | React.TouchEvent) => {
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e.preventDefault();
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const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX;
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dragRef.current = { startX: clientX, startW: width };
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setDragging(true);
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}, [width]);
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const togglePin = useCallback((key: string, e: React.MouseEvent) => {
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e.stopPropagation();
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setPinned(prev => {
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const next = new Set(prev);
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if (next.has(key)) next.delete(key);
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else next.add(key);
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savePinnedSessions(next);
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return next;
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});
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}, []);
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// Keyboard shortcut: Ctrl+K or Cmd+K to focus search when sidebar is open
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useEffect(() => {
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const handler = (e: KeyboardEvent) => {
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if ((e.metaKey || e.ctrlKey) && e.key === 'k') {
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e.preventDefault();
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searchRef.current?.focus();
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}
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};
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window.addEventListener('keydown', handler);
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return () => window.removeEventListener('keydown', handler);
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}, []);
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const updateFilter = useCallback((value: string) => {
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setFilter(value);
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setFocusIdx(-1);
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}, []);
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const filtered = useMemo(() => {
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let list = sessions;
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if (filter.trim()) {
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const q = filter.toLowerCase();
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list = sessions.filter(s => (s.label || s.key).toLowerCase().includes(q));
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}
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// Sort pinned sessions to top (preserving relative order within each group)
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const pinnedList = list.filter(s => pinned.has(s.key));
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const unpinnedList = list.filter(s => !pinned.has(s.key));
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return [...pinnedList, ...unpinnedList];
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}, [sessions, filter, pinned]);
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return (
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<>
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{open && <div className="fixed inset-0 bg-black/60 backdrop-blur-sm z-40 lg:hidden" onClick={onClose} />}
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<aside role="navigation" aria-label="Sessions" className={`fixed lg:relative top-0 left-0 h-full bg-[#1e1e24]/95 border-r border-white/8 z-50 transform ${dragging ? '' : 'transition-transform'} lg:translate-x-0 ${open ? 'translate-x-0' : '-translate-x-full'} flex flex-col backdrop-blur-xl`} style={{ width: `${width}px` }}>
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<div className="h-14 flex items-center justify-between px-4 border-b border-white/8">
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<div className="flex items-center gap-2">
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<div className="relative">
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<div className="absolute -inset-1.5 rounded-xl bg-gradient-to-r from-cyan-400/15 to-violet-500/15 blur-lg" />
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<div className="relative flex h-8 w-8 items-center justify-center rounded-xl border border-white/8 bg-zinc-800/50">
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<Sparkles className="h-4 w-4 text-cyan-200" />
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</div>
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</div>
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<span className="font-semibold text-sm text-zinc-200 tracking-wide">{t('sidebar.title')}</span>
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</div>
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<button onClick={onClose} className="lg:hidden p-1.5 rounded-xl hover:bg-white/5 text-zinc-400 transition-colors">
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<X size={16} />
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</button>
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</div>
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{/* Session search */}
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{sessions.length > 3 && (
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<div className="px-2 pt-2">
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<div className="relative">
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<Search size={14} className="absolute left-3 top-1/2 -translate-y-1/2 text-zinc-500" />
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<input
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ref={searchRef}
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type="text"
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value={filter}
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onChange={e => updateFilter(e.target.value)}
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placeholder={t('sidebar.search')}
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aria-label={t('sidebar.search')}
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className="w-full pl-8 pr-3 py-1.5 rounded-xl border border-white/8 bg-zinc-800/30 text-xs text-zinc-300 placeholder:text-zinc-500 outline-none focus:ring-1 focus:ring-cyan-400/30 transition-all"
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/>
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{filter && (
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<button
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onClick={() => updateFilter('')}
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className="absolute right-2 top-1/2 -translate-y-1/2 text-zinc-500 hover:text-zinc-300"
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>
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<X size={12} />
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</button>
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)}
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</div>
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</div>
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)}
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<div
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ref={listRef}
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className="flex-1 overflow-y-auto py-2 px-2"
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role="listbox"
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aria-label={t('sidebar.title')}
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tabIndex={0}
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onKeyDown={(e) => {
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const len = filtered.length;
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if (!len) return;
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if (e.key === 'ArrowDown') {
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e.preventDefault();
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const next = focusIdx < len - 1 ? focusIdx + 1 : 0;
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setFocusIdx(next);
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listRef.current?.querySelectorAll<HTMLButtonElement>('[role="option"]')[next]?.scrollIntoView({ block: 'nearest' });
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} else if (e.key === 'ArrowUp') {
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e.preventDefault();
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const prev = focusIdx > 0 ? focusIdx - 1 : len - 1;
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setFocusIdx(prev);
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listRef.current?.querySelectorAll<HTMLButtonElement>('[role="option"]')[prev]?.scrollIntoView({ block: 'nearest' });
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} else if (e.key === 'Enter' && focusIdx >= 0 && focusIdx < len) {
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e.preventDefault();
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onSwitch(filtered[focusIdx].key);
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onClose();
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} else if (e.key === 'Escape') {
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e.preventDefault();
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onClose();
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}
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}}
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>
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{sessions.length === 0 && (
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<div className="px-3 py-8 text-center text-zinc-500 text-sm">{t('sidebar.empty')}</div>
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)}
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{sessions.length > 0 && filtered.length === 0 && (
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<div className="px-3 py-6 text-center text-zinc-500 text-xs">{t('sidebar.noResults')}</div>
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)}
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{filtered.map((s, idx) => {
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const isActive = s.key === activeSession;
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const isFocused = idx === focusIdx;
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const isPinned = pinned.has(s.key);
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const isFirstUnpinned = !isPinned && idx > 0 && pinned.has(filtered[idx - 1].key);
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return (
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<div key={s.key}>
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{isFirstUnpinned && (
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<div className="flex items-center gap-2 px-3 py-1.5 mt-1 mb-1">
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<div className="flex-1 h-px bg-white/5" />
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</div>
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)}
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<button
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role="option"
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aria-selected={isActive}
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onClick={() => { onSwitch(s.key); onClose(); }}
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onMouseEnter={() => setFocusIdx(idx)}
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className={`group/item w-full flex items-center gap-3 px-3 py-2.5 rounded-2xl text-left text-sm transition-all mb-1 ${
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isActive
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? 'bg-white/5 text-cyan-200 border border-white/8 shadow-[0_0_12px_rgba(34,211,238,0.08)]'
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: s.isActive
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? 'bg-violet-500/5 text-violet-200 border border-violet-500/15 shadow-[0_0_10px_rgba(168,85,247,0.06)]'
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: 'text-zinc-400 hover:bg-white/5 border border-transparent'
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} ${isFocused && !isActive ? 'ring-1 ring-cyan-400/30' : ''}`}
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>
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<div className="relative">
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<SessionIcon session={s} isActive={s.isActive} isCurrentSession={isActive} />
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{s.isActive && (
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<span className="absolute -top-0.5 -right-0.5 h-2 w-2 rounded-full bg-violet-400 shadow-[0_0_8px_rgba(168,85,247,0.7)] animate-pulse" />
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)}
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{s.hasUnread && !isActive && (
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<span className="absolute -top-0.5 -left-0.5 h-2 w-2 rounded-full bg-cyan-400 shadow-[0_0_8px_rgba(34,211,238,0.7)]" />
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)}
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</div>
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<div className="flex-1 min-w-0">
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<div className="flex items-center gap-1">
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<span className="flex-1 truncate">{s.label || s.key}</span>
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<button
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onClick={(e) => togglePin(s.key, e)}
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className={`shrink-0 p-0.5 rounded-lg transition-all ${
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isPinned
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? 'text-cyan-400 opacity-80 hover:opacity-100'
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: 'text-zinc-600 opacity-0 group-hover/item:opacity-60 hover:!opacity-100 hover:text-zinc-400'
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}`}
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title={isPinned ? t('sidebar.unpin') : t('sidebar.pin')}
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aria-label={isPinned ? t('sidebar.unpin') : t('sidebar.pin')}
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>
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<Pin size={12} className={isPinned ? 'fill-current' : ''} />
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</button>
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<button
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onClick={(e) => { e.stopPropagation(); setConfirmDelete(s.key); }}
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className="shrink-0 p-0.5 rounded-lg transition-all text-zinc-600 opacity-0 group-hover/item:opacity-60 hover:!opacity-100 hover:text-red-400"
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title={t('sidebar.delete')}
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aria-label={t('sidebar.delete')}
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>
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<Trash2 size={12} />
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</button>
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{s.messageCount != null && (
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<span className={`text-[11px] px-2 py-0.5 rounded-full shrink-0 ${isActive ? 'bg-cyan-400/10 text-cyan-300' : 'bg-white/5 text-zinc-500'}`}>
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{s.messageCount}
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</span>
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)}
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</div>
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{(() => {
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if (!s.contextTokens) return null;
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const pct = Math.min(100, ((s.totalTokens || 0) / s.contextTokens) * 100);
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const barOpacity = Math.max(0.35, Math.min(1, pct / 100));
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const barStyle = { width: `${pct}%`, backgroundColor: `rgba(56, 189, 248, ${barOpacity})` };
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return (
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<div className="flex items-center gap-1.5 mt-1">
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<div className="flex-1 h-[3px] rounded-full bg-white/5 overflow-hidden">
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<div className="h-full rounded-full" style={barStyle} />
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</div>
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<span className="text-[9px] text-zinc-500 tabular-nums shrink-0">{Math.round(pct)}%</span>
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</div>
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);
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})()}
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</div>
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</button>
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</div>
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);
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})}
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</div>
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{/* Footer with version */}
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<div className="px-4 py-3 border-t border-white/8 flex items-center justify-center gap-2">
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<span className="h-1.5 w-1.5 rounded-full bg-violet-300/60 shadow-[0_0_10px_rgba(168,85,247,0.5)]" />
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<span className="h-1.5 w-1.5 rounded-full bg-cyan-300/60 shadow-[0_0_10px_rgba(34,211,238,0.5)]" />
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<span className="h-1.5 w-1.5 rounded-full bg-indigo-300/50 shadow-[0_0_10px_rgba(99,102,241,0.4)]" />
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<span className="ml-1 text-[9px] text-zinc-600 select-all" title={`PinchChat v${__APP_VERSION__}`}>v{__APP_VERSION__}</span>
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</div>
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{/* Resize drag handle */}
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<div
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onMouseDown={startDrag}
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onTouchStart={startDrag}
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className={`hidden lg:block absolute top-0 right-0 w-1.5 h-full cursor-col-resize group/resize z-10 ${dragging ? 'bg-cyan-400/20' : 'hover:bg-cyan-400/15'} transition-colors`}
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role="separator"
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aria-orientation="vertical"
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aria-label="Resize sidebar"
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aria-valuenow={width}
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aria-valuemin={MIN_WIDTH}
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aria-valuemax={MAX_WIDTH}
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>
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<div className={`absolute top-1/2 -translate-y-1/2 right-0 w-0.5 h-8 rounded-full ${dragging ? 'bg-cyan-400/50' : 'bg-white/0 group-hover/resize:bg-cyan-400/30'} transition-colors`} />
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</div>
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</aside>
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{/* Prevent text selection while dragging */}
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{dragging && <div className="fixed inset-0 z-[60] cursor-col-resize" />}
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{/* Delete confirmation dialog */}
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{confirmDelete && (
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<>
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<div className="fixed inset-0 bg-black/60 backdrop-blur-sm z-[70]" onClick={() => setConfirmDelete(null)} />
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<div className="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 z-[80] w-72 bg-[#1e1e24] border border-white/10 rounded-2xl p-5 shadow-2xl">
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<p className="text-sm text-zinc-300 mb-4">{t('sidebar.deleteConfirm')}</p>
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<div className="flex gap-2 justify-end">
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<button
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onClick={() => setConfirmDelete(null)}
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className="px-3 py-1.5 text-xs rounded-xl border border-white/10 text-zinc-400 hover:bg-white/5 transition-colors"
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>
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{t('sidebar.deleteCancel')}
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</button>
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<button
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onClick={() => { onDelete(confirmDelete); setConfirmDelete(null); }}
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className="px-3 py-1.5 text-xs rounded-xl bg-red-500/20 text-red-300 border border-red-500/20 hover:bg-red-500/30 transition-colors"
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>
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{t('sidebar.delete')}
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</button>
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</div>
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</div>
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</>
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)}
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</>
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);
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}
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