refactor: refine live dashboard layout and source context

internal/control/ui.html

@@ -62,14 +62,14 @@ button,input,select{font:inherit}button{user-select:none}
 .flow-master-state.idle{color:var(--text-dim)}
 .flow-master-sub{margin-top:8px;font-size:12px;color:var(--text-dim)}
 .flow-topbar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
-.flow-inline-top{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;flex-wrap:wrap;padding:2px 2px 0}
+.flow-inline-top{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;flex-wrap:nowrap;padding:0 2px 8px}
 .flow-inline-source,.flow-inline-alert{display:flex;gap:8px;align-items:baseline;min-width:0}
 .flow-inline-label{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}
 .flow-inline-value{font-size:13px;font-weight:700;color:var(--text)}
 .flow-inline-alert .flow-inline-value{color:var(--text-dim)}
-.flow-summary{padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface2)}
+.flow-summary{padding:10px 11px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface2)}
 .flow-summary-label{font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:6px}
-.flow-summary-value{font-size:16px;font-weight:700}
+.flow-summary-value{font-size:14px;font-weight:700}
 .flow-summary-value.compact{font-size:14px;line-height:1.3}
 .flow-chain{display:grid;grid-template-columns:repeat(8,minmax(140px,1fr));gap:18px;align-items:stretch}
 .flow-node{position:relative;display:flex;flex-direction:column;gap:7px;min-height:112px;padding:12px 12px 14px;border:1px solid var(--border);border-radius:12px;background:linear-gradient(180deg,#ffffff 0%, #f7f9fc 100%);box-shadow:0 10px 26px rgba(15,23,42,.08);cursor:pointer;transition:border-color .16s,transform .16s,box-shadow .16s}
@@ -93,7 +93,7 @@ button,input,select{font:inherit}button{user-select:none}
 .flow-node-title{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
 .flow-node-sub{font-size:13px;color:var(--text);min-height:0;font-weight:700;line-height:1.25}
 .flow-node-detail{font-size:10px;color:var(--text-muted);line-height:1.3;text-transform:uppercase;letter-spacing:.05em}
-.flow-bottom{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
+.flow-bottom{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
 .flow-tooltip{position:fixed;z-index:1500;display:none;max-width:280px;padding:12px;border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.98);box-shadow:0 14px 34px rgba(15,23,42,.16);pointer-events:none}
 .flow-tooltip.show{display:block}
 .flow-tooltip-title{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
@@ -135,15 +135,16 @@ button,input,select{font:inherit}button{user-select:none}
 .tab-panel[data-tab-panel="live"] .sidebar-card{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .tab-panel[data-tab-panel="live"] .sidebar-card .sidebar-section{min-width:0}
 /* TX Bar */
-.tx-bar{position:relative;z-index:1;display:grid;grid-template-columns:minmax(220px,280px) auto auto;gap:10px;align-items:center}
+.tx-bar{position:relative;z-index:1;display:grid;grid-template-columns:minmax(240px,1fr) auto auto;gap:14px;align-items:start}
 .freq-display-label{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim)}
 .freq-display{font-size:34px;color:var(--text);letter-spacing:-.04em;line-height:1;font-weight:800}
 .freq-display .unit{font-family:var(--mono);font-size:14px;color:var(--text-dim);margin-left:5px}
-.freq-note{display:flex;gap:10px;margin-top:4px;font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}
-.freq-note-item{display:inline-flex;align-items:center;gap:4px}
+.freq-note-grid{display:grid;grid-template-columns:max-content max-content;gap:2px 14px;margin-top:4px;font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;align-items:start}
+.freq-note-item{display:inline-flex;align-items:flex-start;gap:4px;min-width:0}
+.freq-note-wide{grid-column:1 / -1}
 .freq-note.mismatch .freq-note-item{color:var(--amber)}
-.tx-actions{display:flex;flex-wrap:wrap;gap:8px}
-.tx-state-wrap{display:flex;flex-direction:column;align-items:flex-end;gap:3px}
+.tx-actions{display:flex;flex-wrap:wrap;gap:8px;justify-self:end;align-self:start}
+.tx-state-wrap{display:flex;flex-direction:column;align-items:flex-end;justify-self:end;gap:3px}
 .tx-state{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--text-dim)}
 .tx-state.running{color:var(--green)}.tx-state.working,.tx-state.starting,.tx-state.stopping{color:var(--amber)}
 .tx-state.faulted,.tx-state.error{color:var(--red)}
@@ -156,6 +157,9 @@ button,input,select{font:inherit}button{user-select:none}
 .quick-item .value.warn{color:var(--amber)}.quick-item .value.err{color:var(--accent)}.quick-item .value.good{color:var(--green)}
 /* Signal grid */
 .signal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}
+.section-caption{margin-top:0;margin-bottom:10px;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim)}
+.metering-card{padding:12px}
+.metering-card .hifi-grid{margin-top:0}
 .signal-card{padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface2)}
 .signal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
 .signal-title{font-size:10px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em}
@@ -263,6 +267,7 @@ input.input-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(176,48,48,.1
 /* Sidebar/KV */
 .sidebar-card{padding:14px}
 .sidebar-section+.sidebar-section{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
+.tab-panel[data-tab-panel="live"] .sidebar-section+.sidebar-section{border-top:none;padding-top:0;margin-top:0}
 .sidebar-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:10px}
 .kv{display:grid;grid-template-columns:auto 1fr;gap:8px 12px;align-items:start}
 .kv .k{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}
@@ -356,9 +361,8 @@ input.input-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(176,48,48,.1
           <div>
             <div class="freq-display-label">Carrier</div>
             <div class="freq-display" id="freq-display">---.-<span class="unit">MHz</span></div>
-            <div class="freq-note" id="freq-note">
-              <span class="freq-note-item" id="freq-applied">Applied: --</span>
-              <span class="freq-note-item" id="freq-desired">Desired: --</span>
+            <div class="freq-note-grid" id="freq-note">
+              <span class="freq-note-item freq-note-wide" id="freq-source">Source: --</span>
             </div>
           </div>
           <div class="tx-actions">
@@ -380,7 +384,7 @@ input.input-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(176,48,48,.1
       </div>
       <div class="card flow-board">
         <div class="flow-inline-top">
-          <div class="flow-inline-source"><span class="flow-inline-label">Program Source</span><span class="flow-inline-value" id="flow-top-source">--</span></div>
+          <div class="section-caption">Signal Flow</div>
           <div class="flow-inline-alert"><span class="flow-inline-label">Active Alert</span><span class="flow-inline-value" id="flow-top-alert">--</span></div>
         </div>
         <div class="flow-chain" id="flow-chain"></div>
@@ -391,7 +395,9 @@ input.input-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(176,48,48,.1
           <div class="flow-summary"><div class="flow-summary-label">Last Update</div><div class="flow-summary-value" id="flow-bottom-update">--</div></div>
         </div>
       </div>
-      <div class="hifi-grid">
+      <div class="card metering-card">
+        <div class="section-caption">Signal Metering</div>
+        <div class="hifi-grid">
         <div class="hifi-card">
           <div class="hifi-title">Audio RMS</div>
           <div class="hifi-row"><div class="hifi-label">L</div><div class="hifi-meter"><div class="hifi-fill" id="audio-l-rms-fill"></div><div class="hifi-peak" id="audio-l-rms-marker"></div></div><div class="hifi-value" id="audio-l-rms-text">--</div></div>
@@ -406,6 +412,7 @@ input.input-error{border-color:var(--red);box-shadow:0 0 0 3px rgba(176,48,48,.1
           <div class="hifi-title">MPX Peak</div>
           <div class="hifi-row"><div class="hifi-label">MPX</div><div class="hifi-meter"><div class="hifi-fill" id="mpx-peak-fill"></div><div class="hifi-peak" id="mpx-peak-marker"></div></div><div class="hifi-value" id="mpx-peak-text">--</div></div>
         </div>
+        </div>
       </div>
     <div class="stack">
       <div class="card sidebar-card">
@@ -1207,8 +1214,7 @@ function _render(){
   const applied=isFinite(Number(eng.appliedFrequencyMHz))?Number(eng.appliedFrequencyMHz):(isFinite(Number(S.server.measurements?.appliedFrequencyMHz))?Number(S.server.measurements.appliedFrequencyMHz):NaN),desired=Number(cfg.fm?.frequencyMHz);
   const dispFreq=isFinite(applied)?applied:effVal('frequencyMHz')??desired;
   setHTML('freq-display',`${typeof dispFreq==='number'?dispFreq.toFixed(1):'---.-'}<span class="unit">MHz</span>`);
-  setText('freq-applied',isFinite(applied)?`Applied ${applied.toFixed(1)} MHz`:'Applied --');
-  setText('freq-desired',isFinite(desired)?`Desired ${desired.toFixed(1)} MHz`:'Desired --');
+  { const active=S.server.runtime?.ingest?.active||{}, kind=String(active.kind||S.server.config?.ingest?.kind||'--').toUpperCase(); const origin=active.origin?.streamName||active.origin?.endpoint||'--'; setText('freq-source',`Source: ${kind} · ${origin}`); }
   $('freq-note')?.classList.toggle('mismatch',isFinite(applied)&&isFinite(desired)&&!nearEq(applied,desired,.001));
 
   setText('t-uptime',eng.uptimeSeconds?`Uptime ${fmtTime(eng.uptimeSeconds)}`:'');