Ξ-W2-T1 remediation: print master gain into the bake, derive the window from the dialed sound, reset play mode to Trigger

src/core/instrument/bake/bake_reset.cpp

@@ -14,6 +14,15 @@ BakeReset resetAfterBake(const map::InstrumentParams& dialed) {
     out.params.keyTrack = dialed.keyTrack;
     // There is no key-range parameter to carry (core/instrument/CLAUDE.md: no key-range
     // concept) — if one is ever added it belongs on this list, not in the defaults.
+
+    // Play mode is on neither ratified list, so it is classified here, and the acceptance
+    // criteria decide it: the bake's product is a finished one-shot carrying its own
+    // attack, span and release. Trigger plays that back verbatim — note-off ignored, the
+    // default AHD flat at unity over the whole span. Gate would re-gate it: the default
+    // release would cut the printed tail at note-off, and every further iteration would cut
+    // the previous one's again. "Neutral" for this control means "adds no processing",
+    // which is Trigger, not the value struct's own Gate default.
+    out.params.play.playMode = PlayMode::Trigger;
     return out;
 }