Small Tools Forum program

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two-track morning.</p></header><section class="surface program"><div class="program-head"><div><div class="kicker">Proposed local schedule · date & time zone unconfirmed</div><h2>09:00–11:00 <small>120 elapsed minutes</small></h2></div><span class="pill">Rooms A & B</span></div><div id="schedule"></div></section><section class="panel"><h2>Your session path</h2><div class="row"><label for="pickA1"><input type="checkbox" id="pickA1" checked>A1</label><label for="pickB1"><input type="checkbox" id="pickB1" >B1</label><label for="pickA2"><input type="checkbox" id="pickA2" >A2</label><label for="pickB2"><input type="checkbox" id="pickB2" checked>B2</label></div><p id="path" class="note" aria-live="polite"></p><div class="grid"><label for="track">Program view<select id="track"><option value="all">Both tracks</option><option value="A">Track A + shared blocks</option><option value="B">Track B + shared blocks</option></select></label><label for="revision">Presenter scenario<select id="revision"><option value="baseline">Baseline: B1 presenter P02</option><option value="clash">Proposal: B1 presenter P01</option></select></label></div><p id="clash" class="warning"></p></section><details><summary>Program record and open confirmations</summary><p id="record"></p><p>Shared plenary, transition, and break are three records, each spanning both tracks in the full view. Selecting sessions does not reserve a place. Ten minutes between A1 and B2 is a proposed transition, not a verified walking time.</p><p>Date, time zone, venue, actual room assignments, speaker acceptance, accessibility, and transition feasibility remain unconfirmed. The P01 revision is only a proposal; it never replaces the baseline B1 presenter.</p></details><footer>Local session only. Nothing is sent, saved, approved, or submitted. Keep maintained source records authoritative.</footer></main><script>const $=id=>document.getElementById(id);const esc=s=>String(s).replace(/[&<>"']/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));const money=n=>'$'+n.toFixed(2);

const program=[{id:'P',start:540,end:560,title:'Opening plenary',track:'shared',room:'Shared space',speaker:null},{id:'T',start:560,end:570,title:'Move to session rooms',track:'shared',room:'Transition',speaker:null},{id:'A1',start:570,end:610,title:'Documentation that travels',track:'A',room:'Room A',speaker:'P01'},{id:'B1',start:570,end:610,title:'Better handoffs',track:'B',room:'Room B',speaker:'P02'},{id:'BREAK',start:610,end:620,title:'Shared break',track:'shared',room:'Shared space',speaker:null},{id:'A2',start:620,end:660,title:'Review with evidence',track:'A',room:'Room A',speaker:'P03'},{id:'B2',start:620,end:660,title:'Planning small projects',track:'B',room:'Room B',speaker:'P04'}];
const time=n=>String(Math.floor(n/60)).padStart(2,'0')+':'+String(n%60).padStart(2,'0');const overlaps=(a,b)=>a.start<b.end&&b.start<a.end;function conflicts(records){const out=[];records.forEach((a,i)=>records.slice(i+1).forEach(b=>{if(overlaps(a,b))out.push(a.id+' + '+b.id)}));return out}
function visible(track){return program.filter(r=>track==='all'||r.track==='shared'||r.track===track)}function presenterConflicts(revised){const p=program.filter(r=>r.speaker).map(r=>({...r,speaker:revised&&r.id==='B1'?'P01':r.speaker}));return conflicts(p.filter(r=>r.speaker==='P01'))}
function render(){const track=$('track').value,revised=$('revision').value==='clash';$('schedule').innerHTML=visible(track).map(r=>'<article class="session '+(r.track==='shared'?'shared':'track'+r.track)+'"><div class="time">'+time(r.start)+'–'+time(r.end)+'</div><div><b>'+r.title+'</b><p>'+r.id+' · '+r.room+(r.speaker?' · '+(revised&&r.id==='B1'?'P01 (proposed)':r.speaker):'')+' · '+(r.end-r.start)+' min</p></div></article>').join('');const selected=program.filter(r=>['A1','B1','A2','B2'].includes(r.id)&&$('pick'+r.id).checked),c=conflicts(selected);$('path').textContent=c.length?'Time conflict: '+c.join('; ')+'. Choose a nonoverlapping path.':selected.length?'Path: '+selected.map(r=>r.id+' '+r.room).join(' → ')+'. No overlapping selected sessions. Confirm room-change feasibility.':'No sessions selected. Shared blocks remain in the program.';$('clash').textContent=revised?'Proposed presenter conflict: P01 is assigned to A1 and B1, both 09:30–10:10. Baseline B1 remains P02.':'Baseline presenter check: no overlapping assignments among P01–P04.';$('record').textContent='Underlying records: '+program.length+'. Summed record duration: '+program.reduce((s,r)=>s+r.end-r.start,0)+' minutes, including parallel sessions. Elapsed morning: 120 minutes. Displayed records: '+visible(track).length+'.';}
['track','revision','pickA1','pickB1','pickA2','pickB2'].forEach(x=>$(x).addEventListener('change',render));render();</script></body></html>