feat(mq_editor): global r/gain overrides for Resonator (all) mode

Add r (pole) and gain sliders with force r/gain checkbox in Synthesis
panel, visible when Resonator (all) is active. Restrict r range to
[0.75, 0.9999] for both global and per-partial sliders.

handoff(Claude): global resonator r/gain override controls added
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

3 files changed, 34 insertions, 4 deletions

diff --git a/tools/mq_editor/editor.js b/tools/mq_editor/editor.js
index f57e177..97d8a7a 100644
--- a/tools/mq_editor/editor.js
+++ b/tools/mq_editor/editor.js
@@ -219,7 +219,7 @@ class PartialEditor {
 
     const resObj = partial.resonator || {};
     const resParams = [
-      { key: 'r',        label: 'r (pole)',  step: '0.001', min: '0', max: '0.9999',
+      { key: 'r',        label: 'r (pole)',  step: '0.001', min: '0.75', max: '0.9999',
         title: 'Pole radius. r→1 = narrow bandwidth / long ring. r→0 = wide / fast decay.' },
       { key: 'gainComp', label: 'gain',      step: '0.01',  min: '0', max: '100',
         title: 'Output gain multiplier (gainNorm=√(1-r²) normalises power; use this to trim level).' },
diff --git a/tools/mq_editor/index.html b/tools/mq_editor/index.html
index b37eaaf..c663c69 100644
--- a/tools/mq_editor/index.html
+++ b/tools/mq_editor/index.html
@@ -349,6 +349,19 @@
         <label><input type="checkbox" id="disableJitter"> Disable jitter</label>
         <label><input type="checkbox" id="disableSpread"> Disable spread</label>
         <label title="Test mode: force resonator synthesis for all partials (ignores per-partial mode setting)"><input type="checkbox" id="forceResonator"> Resonator (all)</label>
+        <div id="globalResParams" style="display:none;margin-top:4px;padding:4px 0 2px 12px;border-left:2px solid #555;">
+          <label style="display:flex;align-items:center;gap:6px;" title="Global pole radius r in (0,1). Applied to all partials in resonator mode.">
+            r (pole)
+            <input type="range" id="globalR" min="0.75" max="0.9999" step="0.0001" value="0.995" style="flex:1;min-width:0;">
+            <span id="globalRVal" style="width:44px;text-align:right;">0.9950</span>
+          </label>
+          <label style="display:flex;align-items:center;gap:6px;" title="Global gain compensation applied to all partials in resonator mode.">
+            gain
+            <input type="range" id="globalGain" min="0.0" max="4.0" step="0.01" value="1.0" style="flex:1;min-width:0;">
+            <span id="globalGainVal" style="width:44px;text-align:right;">1.00</span>
+          </label>
+          <label title="Override per-partial r/gain with global values during playback"><input type="checkbox" id="forceRGain"> force r/gain</label>
+        </div>
         <div style="margin-top:6px;">
           <label style="display:flex;align-items:center;gap:6px;" title="LP filter coefficient k1 in (0,1]. 1.0 = bypass.">
             LP k1
@@ -403,6 +416,17 @@
       const f = k2ToHz(k, getSR());
       document.getElementById('hpK2Val').textContent = k >= 1.0 ? 'bypass' : fmtHz(f);
     });
+
+    // Show/hide global resonator params when forceResonator toggled
+    document.getElementById('forceResonator').addEventListener('change', function() {
+      document.getElementById('globalResParams').style.display = this.checked ? '' : 'none';
+    });
+    document.getElementById('globalR').addEventListener('input', function() {
+      document.getElementById('globalRVal').textContent = parseFloat(this.value).toFixed(4);
+    });
+    document.getElementById('globalGain').addEventListener('input', function() {
+      document.getElementById('globalGainVal').textContent = parseFloat(this.value).toFixed(2);
+    });
     let audioBuffer = null;
     let viewer = null;
     let audioContext = null;
@@ -676,8 +700,12 @@
       const hpK2Raw = parseFloat(document.getElementById('hpK2').value);
       const k1 = lpK1Raw < 1.0 ? lpK1Raw : null;
       const k2 = hpK2Raw < 1.0 ? hpK2Raw : null;
+      const forceRGain   = forceResonator && document.getElementById('forceRGain').checked;
+      const globalR      = parseFloat(document.getElementById('globalR').value);
+      const globalGain   = parseFloat(document.getElementById('globalGain').value);
       const pcm = synthesizeMQ(partialsToUse, audioBuffer.sampleRate, audioBuffer.duration,
-                               integratePhase, {disableJitter, disableSpread, forceResonator, k1, k2});
+                               integratePhase, {disableJitter, disableSpread, forceResonator,
+                                                forceRGain, globalR, globalGain, k1, k2});
 
       if (viewer) {
         viewer.setSynthStftCache(new STFTCache(pcm, audioBuffer.sampleRate, fftSize, parseInt(hopSize.value)));
diff --git a/tools/mq_editor/mq_synth.js b/tools/mq_editor/mq_synth.js
index d85c890..2d4cf1b 100644
--- a/tools/mq_editor/mq_synth.js
+++ b/tools/mq_editor/mq_synth.js
@@ -56,8 +56,10 @@ function synthesizeMQ(partials, sampleRate, duration, integratePhase = true, opt
       // r controls pole radius (bandwidth): r→1 = narrow, r→0 = wide.
       // gainNorm = sqrt(1 - r²) normalises steady-state output power to ~A.
       const res      = partial.resonator || {};
-      const r        = res.r        != null ? Math.min(0.9999, Math.max(0, res.r)) : 0.995;
-      const gainComp = res.gainComp != null ? res.gainComp : 1.0;
+      const r        = options.forceRGain ? Math.min(0.9999, Math.max(0, options.globalR))
+                     : (res.r        != null ? Math.min(0.9999, Math.max(0, res.r)) : 0.995);
+      const gainComp = options.forceRGain ? options.globalGain
+                     : (res.gainComp != null ? res.gainComp : 1.0);
       const gainNorm = Math.sqrt(Math.max(0, 1.0 - r * r));
       configs.push({
         mode: 'resonator',