diff --git a/cmd/qrunweb/static/index.html b/cmd/qrunweb/static/index.html
index 3fbfb2c..d8a2c8b 100644
--- a/cmd/qrunweb/static/index.html
+++ b/cmd/qrunweb/static/index.html
@@ -85,7 +85,7 @@ header h1 { font-size: 16px; font-weight: 600; letter-spacing: 0.05em; }
 .block-start {
   border-top: 2px solid; border-left: 2px solid; border-right: 2px solid;
   border-top-left-radius: 3px; border-top-right-radius: 3px;
-  margin-top: 2px; margin-bottom: -1px;
+  margin-top: 1px; margin-bottom: -1px;
 }
 .block-mid {
   border-left: 2px solid; border-right: 2px solid;
@@ -94,10 +94,10 @@ header h1 { font-size: 16px; font-weight: 600; letter-spacing: 0.05em; }
 .block-end {
   border-bottom: 2px solid; border-left: 2px solid; border-right: 2px solid;
   border-bottom-left-radius: 3px; border-bottom-right-radius: 3px;
-  margin-top: -1px; margin-bottom: 2px;
+  margin-top: -1px; margin-bottom: 1px;
 }
 .block-single {
-  border: 2px solid; border-radius: 3px; margin: 2px 3px;
+  border: 2px solid; border-radius: 3px; margin: 1px 3px;
 }
 
 .block.cue { color: var(--cue-color); border-color: var(--cue-color); background: var(--cue-bg); }
@@ -112,6 +112,12 @@ header h1 { font-size: 16px; font-weight: 600; letter-spacing: 0.05em; }
   letter-spacing: 0.06em; opacity: 0.8;
 }
 
+.sig {
+  background: rgba(255, 255, 255, 0.15);
+  border-radius: 2px;
+  padding: 0 6px;
+}
+
 .title {
   text-align: center; font-size: 11px; font-weight: 500;
   white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
@@ -150,182 +156,189 @@ header h1 { font-size: 16px; font-weight: 600; letter-spacing: 0.05em; }
 <div class="track-header">Video OVL</div>
 <div class="track-header">Audio</div>
 
-<!-- R1: Q10 GO, Preshow Wash start, Warm 70% start, Preshow Loop start, Preshow Music start -->
+<!-- R1: Q10 GO=sig, all starts=hk -->
 <div class="cell"><div class="block block-single cue"><div class="cue-label">Q10 Preshow</div></div></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
-<div class="cell"><div class="block block-start video"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
+<div class="cell"><div class="block block-start video"><div class="hook hk">start</div></div></div>
 <div class="cell"></div>
-<div class="cell"><div class="block block-start audio"><div class="hook">start</div></div></div>
-<!-- R3: titles: Preshow Wash, Warm 70%, Preshow Loop, Preshow Music -->
+<div class="cell"><div class="block block-start audio"><div class="hook hk">start</div></div></div>
+<!-- R2: titles -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"><div class="title">Preshow Wash</div></div></div>
 <div class="cell"><div class="block block-mid light"><div class="title">Warm 70%</div></div></div>
 <div class="cell"><div class="block block-mid video"><div class="title">Preshow Loop</div></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid audio"><div class="title">Preshow Music</div></div></div>
-<!-- R4: Q11 GO, Warm 70% fade out -->
+<!-- R3: Q11 GO=sig, fade out=hk -->
 <div class="cell"><div class="block block-single cue"><div class="cue-label">Q11 House Open</div></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-mid light"><div class="hook">fade out</div></div></div>
+<div class="cell"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R6: Warm 70% end -->
+<!-- R4: Warm 70% end -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R7: Cool 50% start -->
+<!-- R5: Cool 50% start=hk (connected to Warm end above) -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R8: Q12 GO current, Preshow fades -->
+<!-- R6: Q12 GO=sig, fade outs=hk -->
 <div class="cell row-current"><div class="block block-single cue"><div class="cue-label" style="font-weight:700">Q12 Top of Show</div></div></div>
-<div class="cell row-current"><div class="block block-mid light"><div class="hook">fade out</div></div></div>
+<div class="cell row-current"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
 <div class="cell row-current"><div class="block block-mid light"></div></div>
-<div class="cell row-current"><div class="block block-mid video"><div class="hook">fade out</div></div></div>
+<div class="cell row-current"><div class="block block-mid video"><div class="hook hk">fade out</div></div></div>
 <div class="cell row-current"></div>
-<div class="cell row-current"><div class="block block-mid audio"><div class="hook">fade out</div></div></div>
-<!-- R9: Preshow ends -->
+<div class="cell row-current"><div class="block block-mid audio"><div class="hook hk">fade out</div></div></div>
+<!-- R7: all ends=hk (completing fades from Q12) -->
 <div class="cell"></div>
-<div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
+<div class="cell"><div class="block block-end light"><div class="hook hk">end</div></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-end video"><div class="hook">end</div></div></div>
+<div class="cell"><div class="block block-end video"><div class="hook hk">end</div></div></div>
 <div class="cell"></div>
-<div class="cell"><div class="block block-end audio"><div class="hook">end</div></div></div>
-<!-- R10: 3s delay start, Cool 50% title (R7-R13 mid=R10) -->
+<div class="cell"><div class="block block-end audio"><div class="hook hk">end</div></div></div>
+<!-- R8: delay start=hk (connected to ends above), Cool 50% title -->
 <div class="cell"></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"><div class="title">Cool 50%</div></div></div>
-<div class="cell"><div class="block block-start delay"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start delay"><div class="hook hk">start</div></div></div>
 <div class="cell"></div>
 <div class="cell"></div>
-<!-- R11: 3s delay title (R10-R12 mid=R11) -->
+<!-- R9: delay title -->
 <div class="cell"></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid delay"><div class="title">3s Delay</div></div></div>
 <div class="cell"></div>
 <div class="cell"></div>
-<!-- R12: 3s delay end -->
+<!-- R10: delay end=sig -->
 <div class="cell"></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-end delay"><div class="hook">end</div></div></div>
 <div class="cell"></div>
 <div class="cell"></div>
-<!-- R13: SC1 Focus start, Cool 50% end, Sc1 Projection start, Storm Ambience start -->
+<!-- R11: Cool 50% end=sig, SC1 Focus start=hk, Sc1 Projection start=hk, Storm Ambience start=hk -->
 <div class="cell"></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
 <div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
-<div class="cell"><div class="block block-start video"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start video"><div class="hook sig">start</div></div></div>
 <div class="cell"></div>
-<div class="cell"><div class="block block-start audio"><div class="hook">start</div></div></div>
-<!-- R15: SC1 Blue start, Lightning Flash start, Storm fade in -->
+<div class="cell"><div class="block block-start audio"><div class="hook hk">start</div></div></div>
+<!-- R12: SC1 Blue start=sig, Lightning start=hk, Storm fade in=hk -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook sig">start</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
-<div class="cell"><div class="block block-start overlay"><div class="hook">start</div></div></div>
-<div class="cell"><div class="block block-mid audio"><div class="hook">fade in</div></div></div>
-<!-- R16: Sc1 Projection title (R13-R19 mid=R16), Lightning Flash title (R15-R17 mid=R16) -->
+<div class="cell"><div class="block block-start overlay"><div class="hook hk">start</div></div></div>
+<div class="cell"><div class="block block-mid audio"><div class="hook hk">fade in</div></div></div>
+<!-- R13: titles (Sc1 Projection, Lightning Flash) -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid video"><div class="title">Sc1 Projection</div></div></div>
 <div class="cell"><div class="block block-mid overlay"><div class="title">Lightning Flash</div></div></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R17: Lightning end, SC1 Focus title (R13-R21 mid=R17), Storm Ambience title (R13-R21 mid=R17) -->
+<!-- R14: Lightning end, SC1 Focus title, Storm Ambience title -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"><div class="title">SC1 Focus</div></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
-<div class="cell"><div class="block block-end overlay"><div class="hook">end</div></div></div>
+<div class="cell"><div class="block block-mid overlay"></div></div>
 <div class="cell"><div class="block block-mid audio"><div class="title">Storm Ambience</div></div></div>
-<!-- R18: Projection fade out, Wave Overlay start, SC1 Blue title (R15-R22 mid=R18) -->
+<!-- R15: Projection fade out=sig, Wave start=hk, SC1 Blue title -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid light"><div class="title">SC1 Blue 80%</div></div></div>
-<div class="cell"><div class="block block-mid video"><div class="hook">fade out</div></div></div>
-<div class="cell"><div class="block block-start overlay"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-mid video"><div class="hook sig">fade out</div></div></div>
+<div class="cell"><div class="block block-end overlay"><div class="hook hk">end</div></div></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R19: Projection end -->
+<!-- R16: Projection end, Wave Overlay start -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"><div class="block block-end video"><div class="hook">end</div></div></div>
-<div class="cell"><div class="block block-mid overlay"></div></div>
+<div class="cell"><div class="block block-start overlay"><div class="hook">start</div></div></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R20: Q13 GO, SC1 Focus fade out -->
+<!-- R17: Q13 GO=sig, SC1 Focus fade=hk, SC1 Blue fade=hk, Storm fade=hk -->
 <div class="cell"><div class="block block-single cue"><div class="cue-label">Q13 Sc1 Dialog</div></div></div>
-<div class="cell"><div class="block block-mid light"><div class="hook">fade out</div></div></div>
+<div class="cell"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
+<div class="cell"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
+<div class="cell"></div>
+<div class="cell"><div class="block block-mid overlay"></div></div>
+<div class="cell"><div class="block block-mid audio"><div class="hook hk">fade out</div></div></div>
+<!-- R18: SC1 Focus end -->
+<div class="cell"></div>
+<div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
 <div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid overlay"></div></div>
-<div class="cell"><div class="block block-mid audio"><div class="hook">fade out</div></div></div>
-<!-- R21: SC1 Focus end, SC1 Blue fade out, Storm end -->
+<div class="cell"><div class="block block-mid audio"></div></div>
+<!-- R18b: Storm end=hk (completing fade from Q13) -->
 <div class="cell"></div>
-<div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
-<div class="cell"><div class="block block-mid light"><div class="hook">fade out</div></div></div>
+<div class="cell"></div>
+<div class="cell"><div class="block block-mid light"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid overlay"></div></div>
-<div class="cell"><div class="block block-end audio"><div class="hook">end</div></div></div>
-<!-- R22: Dialog Spots start, SC1 Blue end, Wave Overlay title (R18-R26 mid=R22), Dialog Underscore start -->
+<div class="cell"><div class="block block-end audio"><div class="hook hk">end</div></div></div>
+<!-- R19: SC1 Blue end=sig, Dialog Spots start=hk, Wave Overlay title, Dialog Underscore start=hk -->
 <div class="cell"></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
 <div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid overlay"><div class="title">Wave Overlay</div></div></div>
-<div class="cell"><div class="block block-start audio"><div class="hook">start</div></div></div>
-<!-- R23: Warm 90% start, Dialog Underscore title (R22-R25 mid=R23) -->
+<div class="cell"><div class="block block-start audio"><div class="hook sig">start</div></div></div>
+<!-- R20: Warm 90% start=hk, Dialog Underscore title -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
+<div class="cell"><div class="block block-start light"><div class="hook hk">start</div></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid overlay"></div></div>
 <div class="cell"><div class="block block-mid audio"><div class="title">Dialog Underscore</div></div></div>
-<!-- R24: Dialog Spots title (R22-R26 mid=R24), Warm 90% title (R23-R26 mid=R24) -->
+<!-- R21: titles (Dialog Spots, Warm 90%) -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"><div class="title">Dialog Spots</div></div></div>
 <div class="cell"><div class="block block-mid light"><div class="title">Warm 90%</div></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid overlay"></div></div>
 <div class="cell"><div class="block block-mid audio"></div></div>
-<!-- R25: Q14 GO, Dialog Spots fade, Sc2 Background start, Wave fade, Dialog Underscore end -->
+<!-- R22: Q14 GO=sig, Dialog Spots fade=hk, Warm 90% fade=hk, Sc2 Bg start=hk, Wave fade=hk, Dialog Underscore end=hk -->
 <div class="cell"><div class="block block-single cue"><div class="cue-label">Q14 Sc2 Trans</div></div></div>
-<div class="cell"><div class="block block-mid light"><div class="hook">fade out</div></div></div>
-<div class="cell"><div class="block block-mid light"></div></div>
-<div class="cell"><div class="block block-start video"><div class="hook">start</div></div></div>
-<div class="cell"><div class="block block-mid overlay"><div class="hook">fade out</div></div></div>
-<div class="cell"><div class="block block-end audio"><div class="hook">end</div></div></div>
-<!-- R26: Dialog Spots end, Warm 90% end, Wave end -->
+<div class="cell"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
+<div class="cell"><div class="block block-mid light"><div class="hook hk">fade out</div></div></div>
+<div class="cell"><div class="block block-start video"><div class="hook hk">start</div></div></div>
+<div class="cell"><div class="block block-mid overlay"><div class="hook hk">fade out</div></div></div>
+<div class="cell"><div class="block block-end audio"><div class="hook hk">end</div></div></div>
+<!-- R23: lighting ends (completing fades from Q14) -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
 <div class="cell"><div class="block block-end light"><div class="hook">end</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
-<div class="cell"><div class="block block-end overlay"><div class="hook">end</div></div></div>
+<div class="cell"><div class="block block-mid overlay"></div></div>
 <div class="cell"></div>
-<!-- R27: SC2 Focus start, SC2 Amber start, Sc2 Background title (R25-R29 mid=R27), SC2 Atmos start -->
+<!-- R24: Wave Overlay end=sig, SC2 Focus start (within-track), SC2 Amber start (within-track), SC2 Atmos start=hk -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
 <div class="cell"><div class="block block-start light"><div class="hook">start</div></div></div>
 <div class="cell"><div class="block block-mid video"><div class="title">Sc2 Background</div></div></div>
-<div class="cell"></div>
-<div class="cell"><div class="block block-start audio"><div class="hook">start</div></div></div>
-<!-- R28: titles: SC2 Focus (R27-R29 mid=R28), SC2 Amber (R27-R29 mid=R28), SC2 Atmos (R27-R29 mid=R28) -->
+<div class="cell"><div class="block block-end overlay"><div class="hook sig">end</div></div></div>
+<div class="cell"><div class="block block-start audio"><div class="hook hk">start</div></div></div>
+<!-- R25: titles (SC2 Focus, SC2 Amber, SC2 Atmos) -->
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid light"><div class="title">SC2 Focus</div></div></div>
 <div class="cell"><div class="block block-mid light"><div class="title">SC2 Amber 60%</div></div></div>
 <div class="cell"><div class="block block-mid video"></div></div>
 <div class="cell"></div>
 <div class="cell"><div class="block block-mid audio"><div class="title">SC2 Atmos</div></div></div>
-<!-- R29: infinity -->
+<!-- R26: infinity -->
 <div class="cell"></div>
 <div class="cell infinity-cell"><div class="block block-mid light"></div><div class="infinity-marker">&#x223F;&#x223F;&#x223F;</div></div>
 <div class="cell infinity-cell"><div class="block block-mid light"></div><div class="infinity-marker">&#x223F;&#x223F;&#x223F;</div></div>