_restoreSpans(state.nodes); }catch(e){} /* lift overlays */ try{ if(state.lifts && typeof window.__setLifts === 'function') window.__setLifts(state.lifts); }catch(e){} /* machines, rebuilt where they stood */ try{ var ms = state.machines || []; for(var i=0;i'; var st = loadStore(); st.snaps[name] = {t: Date.now(), state: captureState()}; st.order = st.order.filter(function(n){ return n !== name; }); st.order.push(name); while(st.order.length > MAX_SNAPS){ var drop = st.order.shift(); delete st.snaps[drop]; } saveStore(st); var msg = 'snapshot "' + name + '" frozen — ' + st.order.length + ' held'; status(msg); return msg; }; window.rewindOne = function(){ var st = loadStore(); if(!st.order.length) return 'Memory does not reach that far — no snapshots remain.'; var name = st.order.pop(); var rec = st.snaps[name]; delete st.snaps[name]; saveStore(st); if(!rec) return 'snapshot gone'; clearDynamic(); var n = restoreState(rec.state); var msg = 'rewound to "' + name + '" (' + ageStr(rec.t) + ') — ' + n + ' nodes restored'; status(msg); return msg; }; window.rewindTo = function(name){ name = cleanName(name); if(!name) return 'name it — rewind to '; var st = loadStore(); var rec = st.snaps[name]; if(!rec) return 'Memory does not reach that far — no snapshot "' + name + '".'; clearDynamic(); var n = restoreState(rec.state); var msg = 'rewound to "' + name + '" (' + ageStr(rec.t) + ') — ' + n + ' nodes restored'; status(msg); return msg; }; window.listSnapshots = function(){ var st = loadStore(); var range = 'Memory holds from ' + timeStr(st.memoryBorn) + ' to now.'; if(!st.order.length){ var msg = 'no snapshots yet. ' + range; status(msg); return msg; } var lines = []; for(var i=st.order.length-1;i>=0;i--){ var nm = st.order[i], rec = st.snaps[nm]; if(rec) lines.push('"' + nm + '" — ' + ageStr(rec.t)); } var out = lines.join('\n') + '\n' + range; status(st.order.length + ' snapshots. ' + range); try{ console.log('[snapshots]\n' + out); }catch(e){} return out; }; window.forgetSnapshot = function(name){ name = cleanName(name); if(!name) return 'name it — forget snapshot '; var st = loadStore(); if(!st.snaps[name]) return 'no snapshot "' + name + '"'; delete st.snaps[name]; st.order = st.order.filter(function(n){ return n !== name; }); saveStore(st); var msg = 'forgotten "' + name + '"'; status(msg); return msg; }; /* ---------- runLine chain (outermost — first crack at the codes) ---------- */ (function(){ var __triessnapHooked=0; function __hooksnapHooked(){ __triessnapHooked++; try{ if(typeof window.runLine === 'function' && !window.runLine.__snapHooked){ var prevRL = window.runLine; window.runLine = function(line){ try{ var raw = String(line == null ? '' : line).trim(); var tl = raw.toLowerCase(); if(tl.indexOf('snapshot ') === 0){ window.takeSnapshot(raw.slice(9)); return; } if(tl.indexOf('rewind to ') === 0){ window.rewindTo(raw.slice(10)); return; } if(tl === 'rewind'){ window.rewindOne(); return; } if(tl === 'snapshots'){ window.listSnapshots(); return; } if(tl.indexOf('forget snapshot ') === 0){ window.forgetSnapshot(raw.slice(16)); return; } }catch(e){} return prevRL.apply(this, arguments); }; window.runLine.__snapHooked = true; return; } }catch(e){} if(__triessnapHooked<60) setTimeout(__hooksnapHooked,500); } __hooksnapHooked(); window.__hooksnapHooked = __hooksnapHooked;})(); /* stamp the memory's birth on first parse (guarded by loadStore anyway) */ try{ loadStore(); }catch(e){} try{ console.log('[snaps