Cut core/instrument/map comment bloat ~30% (comments only, zero code change)

src/core/instrument/map/bridge_marshal.cpp

@@ -6,9 +6,8 @@ namespace reasampler::instrument::map {
 
 std::optional<std::string> decodeGetProjExtState(int apiReturn,
                                                  const std::string& buffer) {
-    // REAPER returns the length of the stored value; 0 means the key is absent. Guard
-    // both the return AND the buffer: a caller that reused a dirty buffer must not
-    // surface stale bytes as a value when the API reported nothing.
+    // 0 return means absent; guard the buffer too so a reused dirty buffer can't
+    // surface stale bytes as a value.
     if (apiReturn <= 0 || buffer.empty()) return std::nullopt;
     return buffer;
 }