fix(share): correct share URLs for session/mix detail pages — release mode + /tracks/ plural

DeepDrftPublic.Client/Pages/MixDetail.razor

@@ -46,7 +46,8 @@ else
                                Track="@ViewModel.Track"
                                BackHref="/mixes"
                                BackLabel="All mixes"
-                               ShowMeta="@(hasGenre || hasDate)">
+                               ShowMeta="@(hasGenre || hasDate)"
+                               ShowShareRow="false">
             <TopRightAction>
                 @* Lava-lamp button top-right, across from the back link. Toggles the INLINE seven-knob
                    control bar that animates open/closed in place below it (lava reframe §7b) — not a
@@ -100,6 +101,12 @@ else
                     </div>
                 }
             </MetaContent>
+            <BodyContent>
+                @* Release-mode share: copies the canonical /mixes/{entryKey} URL, not a single track (§3b). *@
+                <div class="deepdrft-share-row">
+                    <SharePopover ReleaseEntryKey="@release.EntryKey" ReleaseMedium="@release.Medium" />
+                </div>
+            </BodyContent>
         </ReleaseDetailScaffold>
       </MudContainer>
     </div>

DeepDrftPublic.Client/Pages/SessionDetail.razor

@@ -87,12 +87,10 @@ else
                         </div>
                     }
                 </MudStack>
-                @if (ViewModel.Track is not null)
-                {
-                    <div class="session-hero-share">
-                        <SharePopover EntryKey="@ViewModel.Track.EntryKey" />
-                    </div>
-                }
+                @* Release-mode share: copies the canonical /sessions/{entryKey} URL, not a single track (§3b). *@
+                <div class="session-hero-share">
+                    <SharePopover ReleaseEntryKey="@release.EntryKey" ReleaseMedium="@release.Medium" />
+                </div>
             </div>
 
             @* Bottom overlay: cover thumbnail, title/artist, and the play affordance in one row. *@