fix(zone-view): Add Zone seeds narrow octave range so new zones survive reconcile

src/vst/reasampler_editor.cpp

@@ -1943,10 +1943,13 @@ void ReaSamplerEditor::onMouseDown(int x, int y) {
     Rect addR{content.left + pad, content.top + 4, content.left + pad + 96,
               content.top + 4 + 20};
     if (contains(addR, x, y)) {
-        // Add a full-keyboard zone for the picked capture (or the first visible sample as a
+        // Add a narrow default zone for the picked capture (or the first visible sample as a
         // sensible seed). No pick -> nothing to add. If a full-keyboard zone for the seed id
-        // already exists, select it rather than appending a duplicate (mirrors the upsert the
+        // already exists (pre-fix bleed survivor), select it rather than appending a duplicate
-        // root-marker drag path already performs, preventing overlapping identical zones).
+        // (mirrors the upsert the root-marker drag path already performs).
+        // NARROW DEFAULT: seed [root-6, root+5] (one octave centred on the bank root, clamped
+        // to [0,127]) so the new zone is immediately "authored" (narrow) and survives
+        // reconcileSingleCaptureZones without being treated as a Sample-face full-range zone.
         std::string seed = !selectedId_.empty() ? selectedId_
                            : (!visible_.empty() ? visible_.front().id : std::string());
         if (seed.empty()) return;
@@ -1958,10 +1961,17 @@ void ReaSamplerEditor::onMouseDown(int x, int y) {
                 return;
             }
         }
+        // Look up the seed's root note from the browser list (absent root defaults to 60).
+        int seedRoot = 60;
+        for (const SampleChoice& sc : samples_) {
+            if (sc.id == seed) { if (sc.rootNote.has_value()) seedRoot = *sc.rootNote; break; }
+        }
+        const int lo = (std::max)(0,   seedRoot - 6);
+        const int hi = (std::min)(127, seedRoot + 5);
         PerformanceZone z;
         z.sampleId = seed;
-        z.lowNote = 0;
+        z.lowNote = lo;
-        z.highNote = 127;
+        z.highNote = hi;
         map_.zones.push_back(z);
         selectedZone_ = static_cast<int>(map_.zones.size()) - 1;
         commitAndReload();

src/vst/reasampler_processor.cpp

@@ -188,7 +188,7 @@ tresult PLUGIN_API ReaSamplerProcessor::setState(IBStream* state) {
     // editor shows is the sample the engine plays" for already-affected projects; authored
     // Zone-view maps (any narrow key range) pass through untouched.
     PerformanceMap restored = cs.map;
-    reconcileSingleCaptureZones(restored, cs.selectionId);
+    reconcileSingleCaptureZones(restored, cs.selectionId);  // bool return ignored: setPerformanceMap + reloadFromBank run unconditionally on load
     setPerformanceMap(restored);
     // S8: restore the last-consumed assignment generation so a re-open does not re-apply a
     // stale assign_request (the user may have manually changed the selection after the assign).

src/vst/sample_map.h

@@ -252,7 +252,7 @@ struct PerformanceMap {
 //     authorship; first-match order is load-bearing there — untouched, false. The Sample
 //     face never creates a narrow zone, so a narrow zone proves deliberate multi-zone intent.
 //   * else (every zone full-range — the map is purely Sample-face-shaped): keep only the
-//     first zone bound to `selectedId` (its params survive a return to that sample); drop
+//     first zone bound to `selectedId` (the selection's own params are not reset); drop
 //     the rest. A selection with no zone yet empties the map (the shell then plays the
 //     selection via the Tier-0 fast path with product defaults).
 // Returns true iff the map changed (the caller republishes + reloads on true).