feat: Reports, Duplicates and Suspect sources live under Collection, with their counts on its rail and a "To look at" line naming the ones waiting; notices link there (M504 #5625)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

android/app/src/main/java/com/fabledsword/minstrel/notifications/ui/NotificationLinks.kt

@@ -9,18 +9,23 @@ import com.fabledsword.minstrel.nav.Requests
 
 /**
  * The app screen for a notice's link. The server writes web paths, the same
- * for every client; this maps them onto the app's routes. Admin pages the app
- * has no screen for (missing files, duplicates, playback errors) open the
- * Admin landing; anything unknown opens nothing.
+ * for every client; this maps them onto the app's routes. The library's
+ * health pages sit under Collection on the web (M504): Reports opens the
+ * app's report screen, and the ones the app has no screen for (duplicates,
+ * suspect sources, missing files) open the Admin landing, as do other Admin
+ * pages; anything unknown opens nothing.
  */
+private val ADMIN_COLLECTION_PAGES = setOf("duplicates", "suspect-sources", "missing")
+
 internal fun routeForLink(link: String): Any? {
-    val parts = link.trim('/').split('/').filter { it.isNotEmpty() }
+    val parts = link.substringBefore('?').trim('/').split('/').filter { it.isNotEmpty() }
     return when {
         parts.size == 2 && parts[0] == "albums" -> AlbumDetail(parts[1])
         parts.size == 2 && parts[0] == "artists" -> ArtistDetail(parts[1])
         parts == listOf("requests") -> Requests
         parts == listOf("admin", "requests") -> AdminRequests
-        parts == listOf("admin", "quarantine") -> AdminQuarantine
+        parts == listOf("collection", "reports") -> AdminQuarantine
+        parts.firstOrNull() == "collection" && parts.getOrNull(1) in ADMIN_COLLECTION_PAGES -> Admin
         parts.firstOrNull() == "admin" -> Admin
         else -> null
     }

android/app/src/test/java/com/fabledsword/minstrel/notifications/ui/NotificationUiTest.kt

@@ -23,9 +23,11 @@ class NotificationUiTest {
         assertEquals(ArtistDetail("ar-1"), routeForLink("/artists/ar-1"))
         assertEquals(Requests, routeForLink("/requests"))
         assertEquals(AdminRequests, routeForLink("/admin/requests"))
-        assertEquals(AdminQuarantine, routeForLink("/admin/quarantine"))
-        // Admin pages the app has no screen for open the Admin landing.
-        assertEquals(Admin, routeForLink("/admin/duplicates"))
+        assertEquals(AdminQuarantine, routeForLink("/collection/reports"))
+        // Library health pages the app has no screen for open the Admin landing.
+        assertEquals(Admin, routeForLink("/collection/duplicates"))
+        assertEquals(Admin, routeForLink("/collection/duplicates?view=resolved"))
+        assertEquals(Admin, routeForLink("/admin/missing-files"))
         assertEquals(Admin, routeForLink("/admin"))
         assertNull(routeForLink("/somewhere-new"))
     }