fix(mq_editor): remove duplicate mode toggle, add SINE badge, fix mini-spectrum invalidation

- Remove redundant synthModeToggle from _updatePropPanel + index.html
- Add SINE badge (grey) to panel title, matching existing RES badge (blue)
- Invalidate mini-spectrum (viewer.render) on sinusoid/resonator switch

handoff(Claude): mq_editor partial panel polish

3 files changed, 6 insertions, 37 deletions

diff --git a/tools/mq_editor/editor.js b/tools/mq_editor/editor.js
index 07312d5..81f571c 100644
--- a/tools/mq_editor/editor.js
+++ b/tools/mq_editor/editor.js
@@ -65,8 +65,9 @@ class PartialEditor {
     const color   = this.viewer ? this.viewer.partialColor(index) : '#888';
 
     const titleEl = document.getElementById('propTitle');
-    const badge = partial.resonator && partial.resonator.enabled
-      ? ' <span class="res-badge">RES</span>' : '';
+    const badge = (partial.resonator && partial.resonator.enabled)
+      ? ' <span class="res-badge">RES</span>'
+      : ' <span class="res-badge sine-badge">SINE</span>';
     titleEl.innerHTML = 'Partial #' + index + badge;
     document.getElementById('propSwatch').style.background = color;
 
@@ -86,37 +87,6 @@ class PartialEditor {
     muteBtn.textContent  = partial.muted ? 'Unmute' : 'Mute';
     muteBtn.style.color  = partial.muted ? '#fa4' : '';
 
-    // Mode toggle (quick sine/resonator switch, no tab required)
-    const modeToggle = document.getElementById('synthModeToggle');
-    if (modeToggle) {
-      modeToggle.innerHTML = '';
-      const isRes = !!(partial.resonator && partial.resonator.enabled);
-      const resDefaults = { r: 0.995, gainComp: 1.0 };
-      const btnS = document.createElement('button');
-      btnS.textContent = 'Sine';
-      btnS.className = 'tab-btn' + (isRes ? '' : ' active');
-      btnS.style.cssText = 'padding:2px 8px;font-size:11px;margin:0;';
-      const btnR = document.createElement('button');
-      btnR.textContent = 'Res';
-      btnR.className = 'tab-btn' + (isRes ? ' active' : '');
-      btnR.style.cssText = 'padding:2px 8px;font-size:11px;margin:0;';
-      btnS.onclick = () => {
-        if (!this.partials || !this.partials[index]) return;
-        if (!this.partials[index].resonator) this.partials[index].resonator = {...resDefaults};
-        this.partials[index].resonator.enabled = false;
-        this._updatePropPanel(index);
-        if (this.viewer) this.viewer.render();
-      };
-      btnR.onclick = () => {
-        if (!this.partials || !this.partials[index]) return;
-        if (!this.partials[index].resonator) this.partials[index].resonator = {...resDefaults};
-        this.partials[index].resonator.enabled = true;
-        this._updatePropPanel(index);
-        if (this.viewer) this.viewer.render();
-      };
-      modeToggle.appendChild(btnS);
-      modeToggle.appendChild(btnR);
-    }
 
     this._buildCurveGrid(this._freqGrid, partial, 'freqCurve', 'f', index);
     this._buildCurveGrid(this._ampGrid,  partial, 'freqCurve', 'a', index, 'a');
@@ -326,12 +296,14 @@ class PartialEditor {
       if (!this.partials[index].resonator) this.partials[index].resonator = { ...resDefaults };
       this.partials[index].resonator.enabled = false;
       applyMode(false);
+      if (this.viewer) this.viewer.render();
     });
     btnRes.addEventListener('click', () => {
       if (!this.partials) return;
       if (!this.partials[index].resonator) this.partials[index].resonator = { ...resDefaults };
       this.partials[index].resonator.enabled = true;
       applyMode(true);
+      if (this.viewer) this.viewer.render();
     });
   }
 
diff --git a/tools/mq_editor/index.html b/tools/mq_editor/index.html
index a03ab35..0639c8d 100644
--- a/tools/mq_editor/index.html
+++ b/tools/mq_editor/index.html
@@ -150,10 +150,6 @@
             <span class="prop-label">Time</span>
             <span id="propTime">—</span>
           </div>
-          <div class="prop-row">
-            <span class="prop-label">Mode</span>
-            <span id="synthModeToggle" style="display:flex;gap:3px;"></span>
-          </div>
           <div class="curve-tabs">
             <button class="tab-btn active" data-tab="Freq">Freq</button>
             <button class="tab-btn" data-tab="Amp">Amp</button>
diff --git a/tools/mq_editor/style.css b/tools/mq_editor/style.css
index 2a9b5b7..399746c 100644
--- a/tools/mq_editor/style.css
+++ b/tools/mq_editor/style.css
@@ -104,6 +104,7 @@ kbd { font-size: 10px; opacity: 0.55; }
 
 /* === Resonator badge === */
 .res-badge { font-size: 9px; color: #8cf; border: 1px solid #8cf; border-radius: 2px; padding: 0 3px; vertical-align: middle; margin-left: 4px; opacity: .8; }
+.sine-badge { color: #aaa; border-color: #aaa; }
 
 /* === Status & tooltip === */
 #fileLabel { font-size: 13px; color: #8af; opacity: .8; }