Name captures after their source track: label and filename both, on every interactive mint site, and show the name on the panel card

src/shell/capture/scope_resolve.h

@@ -35,6 +35,11 @@ struct ResolvedSource
     std::vector<MediaTrack*>  sourceTracks;
     std::vector<std::string>  trackGuids;
 
+    // Parallel to sourceTracks (one entry per track, in the same order) — the names the
+    // capture is labeled and filed after. trackGuids is NOT parallel: an unreadable GUID
+    // is dropped there, while an unreadable name still holds its track's slot.
+    std::vector<std::string>  trackNames;
+
     // Item scope only: does the selected items' own extent already print
     // [startSeconds, endSeconds)? Feeds sourceModeForScope. Defaults false so a
     // hand-built source fails closed to the time-bounded render — a caller whose
@@ -50,9 +55,16 @@ bool resolveRazorRange(double& start, double& end);
 // selection. Returns false with a reason when neither yields a non-empty range.
 bool resolveRange(double& start, double& end, std::string& why);
 
-// Collects the selected tracks (Track scope) into out.sourceTracks + GUIDs.
+// Collects the selected tracks (Track scope) into out.sourceTracks + GUIDs + names.
 bool collectSelectedTracks(ResolvedSource& out);
 
+// The track's display name, read-only. GetTrackName (SDK header ~3626) is used rather
+// than P_NAME because it already answers REAPER's own convention for an unnamed track
+// ("Track N"), which is exactly the deterministic fallback a capture label wants; P_NAME
+// would hand back an empty string instead. Empty only if the read itself fails.
+// Callers that build a ResolvedSource by hand (batch capture) use this directly.
+std::string trackName(MediaTrack* tr);
+
 // Resolves the source for a scope: the selection tracks (item/track), plus the
 // inferred range. Returns false with a reason on nothing to do.
 bool ResolveScopeSource(CaptureScope scope, ResolvedSource& out, std::string& why);