fix(mq_editor): swap keys 1/2 — 1=original, 2=synth, 3=partial

handoff(Gemini): key bindings updated in app.js and README.md

2 files changed, 5 insertions, 5 deletions

diff --git a/tools/mq_editor/README.md b/tools/mq_editor/README.md
index 6f75a52..7d7d06b 100644
--- a/tools/mq_editor/README.md
+++ b/tools/mq_editor/README.md
@@ -10,7 +10,7 @@ open tools/mq_editor/index.html
 
 1. Click **Open WAV**
 2. Click **Extract Partials** (optional — Explore/Contour modes work immediately after load)
-3. Press **1** to play synthesized, **2** to play original
+3. Press **1** to play original, **2** to play synthesized, **3** to play current partial
 
 ## UI
 
@@ -86,8 +86,8 @@ Committed partials are prepended to the partial list with full undo support.
 
 | Key | Action |
 |-----|--------|
-| `1` | Play synthesized audio |
-| `2` | Play original audio |
+| `1` | Play original audio |
+| `2` | Play synthesized audio |
 | `3` | Play selected partial alone |
 | `E` | Extract Partials |
 | `N` | New partial (flat 440 Hz, full duration) |
diff --git a/tools/mq_editor/app.js b/tools/mq_editor/app.js
index d53af37..1e17adf 100644
--- a/tools/mq_editor/app.js
+++ b/tools/mq_editor/app.js
@@ -513,10 +513,10 @@ document.addEventListener('keydown', (e) => {
   }
   if (e.code === 'Digit1') {
     e.preventDefault();
-    playSynthesized();
+    if (!playBtn.disabled) playOriginal();
   } else if (e.code === 'Digit2') {
     e.preventDefault();
-    if (!playBtn.disabled) playOriginal();
+    playSynthesized();
   } else if (e.code === 'Digit3') {
     e.preventDefault();
     const sel = viewer ? viewer.selectedPartial : -1;