le=s.color;ctx.lineWidth=2;ctx.shadowColor=s.color;ctx.shadowBlur=8;ctx.beginPath();ctx.moveTo(p.x,p.y+10*p.scale);ctx.lineTo(p.x,p.y-18*p.scale);ctx.stroke();ctx.shadowBlur=0});
if(ships[0].alive&&ships[1].alive&&flight.mode==='formation'){var a={x:w/2+ships[0].corridorX*w*.37,y:h*.72-ships[0].altitude*h*.2},b={x:w/2+ships[1].corridorX*w*.37,y:h*.72-ships[1].altitude*h*.2};ctx.save();ctx.strokeStyle='#73ffe066';ctx.setLineDash([5,7]);ctx.beginPath();ctx.moveTo(a.x,a.y);ctx.lineTo(b.x,b.y);ctx.stroke();ctx.restore()}
ships.forEach(function(s,i){if(s.alive)drawCorridorShip(ctx,s,w,h,i===index)});
if(flight.mode==='separation'){var partner=ships[index?0:1],dx=partner.corridorX-ships[index].corridorX,da=partner.altitude-ships[index].altitude;ctx.fillStyle=index?'#ffc84a':'#44e1d0';ctx.font='900 9px ui-monospace,monospace';ctx.textAlign='center';ctx.fillText('HOME '+(da>.2?'↑':da<-.2?'↓':'↔'),w/2+clamp(dx,-1,1)*38,h*.19)}
ctx.fillStyle='rgba(0,0,0,.18)';ctx.fillRect(0,0,w,28);ctx.fillRect(0,h-18,w,18)
}
function frame(t){if(!last)last=t;var dt=Math.max(0,Math.min(.033,(t-last)/1000));last=t;if(running)update(dt);render();requestAnimationFrame(frame)}
function begin(){intro.hidden=true;debrief.hidden=true;levelBeat.hidden=true;init();running=false;logH('mission launched · AI has Ship Two');showLevelBrief(1)}
function formatTime(seconds){var n=Math.max(0,Math.floor(seconds));return String(Math.floor(n/60)).padStart(2,'0')+':'+String(n%60).padStart(2,'0')}
function endRun(reason){if(!running)return;running=false;runEnding=true;var victory=reason!=='defeat',levelReached=Math.max(1,level),finalScore=metrics.kills*100+metrics.rescues*300+metrics.reunions*200+levelReached*1000;var isNewBest=finalScore>sessionBest.score;if(isNewBest){sessionBest={score:finalScore,kills:metrics.kills,level:levelReached,time:elapsed,formation:metrics.formationTime,reunions:metrics.reunions,rescues:metrics.rescues,shield:metrics.shieldHits,friendly:metrics.friendlyFire}};document.querySelector('#outcome').textContent=victory?'MISSION COMPLETE · VICTORY':'FORMATION LOST · DEFEAT';document.querySelector('#mScore').textContent=String(finalScore).padStart(5,'0');document.querySelector('#newBest').classList.toggle('show',isNewBest);document.querySelector('#mKills').textContent=metrics.kills;document.querySelector('#mLevel').textContent=levelReached;document.querySelector('#mTime').textContent=formatTime(elapsed);document.querySelector('#mFormation').textContent=Math.round(metrics.formationTime)+'s';document.querySelector('#mReunions').textContent=metrics.reunions;document.querySelector('#mRescues').textContent=metrics.rescues;document.querySelector('#mShield').textContent=metrics.shieldHits;document.querySelector('#mFriendly').textContent=metrics.friendlyFire;document.querySelector('#mAvoid').textContent=metrics.avoided;document.querySelector('#mHits').textContent=metrics.meteorHits;document.querySelector('#mSeparations').textContent=metrics.separations;document.querySelector('#mCoord').textContent=metrics.coordinated;document.querySelector('#mContinuity').textContent=metrics.assistChecks?metrics.assistContinuity+'/'+metrics.assistChecks:'NO EVENTS';document.querySelector('#bScore').textContent=sessionBest.score;document.querySelector('#bKills').textContent=sessionBest.kills;document.querySelector('#bLevel').textContent=sessionBest.level;document.querySelector('#bTime').textContent=formatTime(sessionBest.time);document.querySelector('#bFormation').textContent=Math.round(sessionBest.formation)+'s';document.querySelector('#bReunions').textContent=sessionBest.reunions;document.querySelector('#bRescues').textContent=sessionBest.rescues;document.querySelector('#bShield').textContent=sessionBest.shield;document.querySelector('#bFriendly').textContent=sessionBest.friendly;var care=metrics.rescues+metrics.reunions+metrics.coordinated;document.querySelector('#result').textContent=victory?'Both pilots returned. '+(care?'You looked after each other '+care+' times.':'Formation is always waiting.'):'Both ships fell together at Level '+levelReached+'. The next flight begins with everything you learned.';document.querySelector('#handoffLog').innerHTML=(metrics.handoffs.length?metrics.handoffs:['No takeovers recorded']).map(function(x){return ''+x.slice(0,5)+''+x.slice(5)+'
'}).join('');document.querySelector('#assistLog').innerHTML=(metrics.assists.length?metrics.assists:['Assist remained disarmed or no collision threat entered the prediction window.']).map(function(x){return ''+x+'
'}).join('');debrief.hidden=false;debrief.querySelector('.debrief-card').scrollTop=0}
function pointerDown(i,e){if(!running)return;e.preventDefault();var c=controls[i],r=views[i].getBoundingClientRect();c.active=true;c.pointer=e.pointerId;c.startX=e.clientX-r.left;c.startY=e.clientY-r.top;c.x=0;c.y=0;views[i].setPointerCapture(e.pointerId);var st=views[i].querySelector('.stick');st.style.lef