Merge Ψ-W1-T3: publish the Media Explorer import into the Media Explorer action section as well as Main

tests/test_app_version.cpp

@@ -7,6 +7,10 @@
 
 #include "../src/core/version/app_version.h"
 
+// REAPER-free header; pulled in for the ingest action's FOREVER-STABLE id suffixes, so
+// the composition assertions below check the strings that actually ship.
+#include "../src/shell/actions/ingest.h"
+
 #include <cstdio>
 #include <string>
 
@@ -151,6 +155,27 @@ static void testChannelQualifiedIdAndNameComposition() {
     }
 }
 
+static void testMediaExplorerImportIdsAreDistinctAndChannelIsolated() {
+    // The Media-Explorer import publishes into TWO action sections, and a custom_action
+    // idStr must be unique across all sections — so the two entries carry two suffixes.
+    // Both are FOREVER-STABLE per channel. Composed from the SHIPPED constants and checked
+    // against spelled-out literals, so a suffix edit in ingest.h fails here.
+    const std::string mainId = channelCommandId(kIngestImportMediaExplorerId);
+    const std::string mxId   = channelCommandId(kIngestImportMediaExplorerMxId);
+
+    if (isBeta()) {
+        CHECK(mainId == "CEREBELLUM_REASAMPLER_BETA_INGEST_IMPORT_MEDIA_EXPLORER");
+        CHECK(mxId   == "CEREBELLUM_REASAMPLER_BETA_INGEST_IMPORT_MEDIA_EXPLORER_MX");
+        CHECK(channelActionName("import Media Explorer file into selected track") ==
+              "ReaSampler beta: import Media Explorer file into selected track");
+    } else {
+        CHECK(mainId == "CEREBELLUM_REASAMPLER_INGEST_IMPORT_MEDIA_EXPLORER");
+        CHECK(mxId   == "CEREBELLUM_REASAMPLER_INGEST_IMPORT_MEDIA_EXPLORER_MX");
+        CHECK(channelActionName("import Media Explorer file into selected track") ==
+              "ReaSampler: import Media Explorer file into selected track");
+    }
+}
+
 static void testStampClassifiesAsStampedOnOwnChannel() {
     // The V4 stamp-classifiability requirement: the value a channel WRITES (stampVersion())
     // must classify as Stamped when that same channel reads it back — on BOTH channels. A
@@ -277,6 +302,7 @@ int main() {
     testVstIdentityStringsForkByChannel();
     testVstIdentityAndDataNamespaceShareOneChannel();
     testChannelQualifiedIdAndNameComposition();
+    testMediaExplorerImportIdsAreDistinctAndChannelIsolated();
     testStampClassifiesAsStampedOnOwnChannel();
     testParseWellFormed();
     testParseRejectsMalformed();