feat(routing): add ReleaseRoutes.DetailHref resolver; repoint release click sites and add /tracks/{id} redirect (P11 W2 §2)

DeepDrftPublic.Client/Common/ReleaseRoutes.cs

@@ -0,0 +1,30 @@
+using DeepDrftModels.DTOs;
+using DeepDrftModels.Enums;
+
+namespace DeepDrftPublic.Client.Common;
+
+/// <summary>
+/// The single source of truth for a release's dedicated detail route (Phase 11 §2). A release
+/// resolves to its per-medium detail page purely from its id and <see cref="ReleaseMedium"/> — no
+/// round-trip needed at call sites that already hold the medium (Archive cards, AlbumsView cards,
+/// the player-bar title). The thin <c>/tracks/{id}</c> redirect page fetches by id to discover the
+/// medium, then resolves through this same helper, so the medium→route table lives in exactly one
+/// place.
+/// </summary>
+public static class ReleaseRoutes
+{
+    /// <summary>
+    /// The dedicated detail route for a release: <c>/cuts/{id}</c>, <c>/sessions/{id}</c>, or
+    /// <c>/mixes/{id}</c>. Cut is the default arm so a new medium without an entry here surfaces a
+    /// build-visible gap rather than a silent fallthrough — extend the switch when a fourth medium lands.
+    /// </summary>
+    public static string DetailHref(long id, ReleaseMedium medium) => medium switch
+    {
+        ReleaseMedium.Session => $"/sessions/{id}",
+        ReleaseMedium.Mix => $"/mixes/{id}",
+        _ => $"/cuts/{id}",
+    };
+
+    /// <summary>Convenience overload for call sites holding a <see cref="ReleaseDto"/>.</summary>
+    public static string DetailHref(ReleaseDto release) => DetailHref(release.Id, release.Medium);
+}

DeepDrftPublic.Client/Controls/AudioPlayerBar/TrackMetaLabel.razor

@@ -6,11 +6,23 @@
 {
     <div class="track-meta-row">
         <div class="track-meta-identity">
-            <a href="@($"/track/{Track.EntryKey}")" style="text-decoration: none;">
+            @* Title links to the release's dedicated detail page via the shared resolver (§2): the
+               TrackDto already carries Release { Id, Medium }, so no round-trip is needed. When no
+               release is attached there is no medium to resolve, so the title renders unlinked. *@
+            @if (Track.Release is not null)
+            {
+                <a href="@ReleaseRoutes.DetailHref(Track.Release)" style="text-decoration: none;">
+                    <MudText Typo="Typo.subtitle2" Class="track-meta-title text-truncate">
+                        @Track.TrackName
+                    </MudText>
+                </a>
+            }
+            else
+            {
                 <MudText Typo="Typo.subtitle2" Class="track-meta-title text-truncate">
                     @Track.TrackName
                 </MudText>
-            </a>
+            }
             <MudText Typo="Typo.subtitle2" Class="track-meta-sep"> - </MudText>
             <MudText Typo="Typo.caption" Class="track-meta-artist text-truncate">
                 @Track.Release?.Artist

DeepDrftPublic.Client/Pages/AlbumsView.razor

@@ -33,7 +33,7 @@
                             <div class="album-card"
                                  role="button"
                                  tabindex="0"
-                                 @onclick="@(() => OpenAlbum(album.Title))">
+                                 @onclick="@(() => OpenAlbum(album))">
                                 @if (!string.IsNullOrEmpty(album.ImagePath))
                                 {
                                     <div class="album-card-cover"

DeepDrftPublic.Client/Pages/AlbumsView.razor.cs

@@ -1,5 +1,6 @@
 using DeepDrftModels.DTOs;
 using DeepDrftModels.Enums;
+using DeepDrftPublic.Client.Common;
 using DeepDrftPublic.Client.Services;
 using Microsoft.AspNetCore.Components;
 using Models.Common;
@@ -9,8 +10,8 @@ namespace DeepDrftPublic.Client.Pages;
 /// <summary>
 /// Medium-filtered release gallery. Routed at <c>/cuts</c> (Cut releases) and parameterized by
 /// <see cref="Medium"/> so the same component can back any medium's card grid without a fork.
-/// Cards open the track gallery filtered to that release's album title, preserving the original
-/// /albums ergonomics.
+/// Cards open the release's dedicated detail page via <see cref="ReleaseRoutes.DetailHref(ReleaseDto)"/>
+/// (a Cut routes to <c>/cuts/{id}</c>), the single source for medium→route resolution (Phase 11 §2).
 /// </summary>
 public partial class AlbumsView : ComponentBase, IDisposable
 {
@@ -58,8 +59,8 @@ public partial class AlbumsView : ComponentBase, IDisposable
         return Task.CompletedTask;
     }
 
-    private void OpenAlbum(string album)
-        => Navigation.NavigateTo($"/tracks?album={Uri.EscapeDataString(album)}");
+    private void OpenAlbum(ReleaseDto album)
+        => Navigation.NavigateTo(ReleaseRoutes.DetailHref(album));
 
     public void Dispose() => _persistingSubscription.Dispose();
 }

DeepDrftPublic.Client/Pages/ArchiveView.razor

@@ -86,7 +86,7 @@
                 {
                     <MudItem xs="12" sm="6" md="4" lg="3" xl="3">
                         <div class="archive-card-center">
-                            <a href="@DetailHref(release)" class="archive-card-link">
+                            <a href="@ReleaseRoutes.DetailHref(release)" class="archive-card-link">
                                 <div class="archive-release-card">
                                     @if (!string.IsNullOrEmpty(release.ImagePath))
                                     {

DeepDrftPublic.Client/Pages/ArchiveView.razor.cs

@@ -115,16 +115,6 @@ public partial class ArchiveView : ComponentBase, IDisposable
         await LoadReleases();
     }
 
-    // Per-medium detail target. Session/Mix open their own detail page; a Cut has no single-release
-    // detail page, so it opens the track gallery filtered to its release title — the same destination
-    // AlbumsView's Cut cards use, preserving the established navigation.
-    private static string DetailHref(ReleaseDto release) => release.Medium switch
-    {
-        ReleaseMedium.Session => $"/sessions/{release.Id}",
-        ReleaseMedium.Mix => $"/mixes/{release.Id}",
-        _ => $"/tracks?album={Uri.EscapeDataString(release.Title)}",
-    };
-
     // Display label for a medium filter chip. Centralised so a new medium's label is one entry, not a
     // markup change. "DJ Mix" matches the CMS Type-chip wording (§8.D).
     private static string MediumLabel(ReleaseMedium medium) => medium switch

DeepDrftPublic.Client/Pages/TrackRedirect.razor

@@ -0,0 +1,26 @@
+@page "/tracks/{Id:long}"
+@using DeepDrftPublic.Client.Services
+@inject IReleaseDataService ReleaseData
+@inject NavigationManager Navigation
+
+@* Addressable deep-link fallback for a bare release id (Phase 11 §2, shape iii). Unlike the player
+   bar / Archive / AlbumsView call sites, an external /tracks/{id} link carries only the id, so this
+   page fetches the release to discover its medium, then forwards through the same ReleaseRoutes
+   resolver — one medium→route table, no second source. replace:true keeps the router out of history
+   so Back skips this hop. Capture Id before the await per the InteractiveAuto route-param convention. *@
+
+@code {
+    [Parameter] public long Id { get; set; }
+
+    protected override async Task OnParametersSetAsync()
+    {
+        var id = Id;
+        var result = await ReleaseData.GetById(id);
+
+        var target = result is { Success: true, Value: { } release }
+            ? ReleaseRoutes.DetailHref(release)
+            : "/cuts"; // Unknown id: fall back to the Cuts gallery rather than 404.
+
+        Navigation.NavigateTo(target, forceLoad: false, replace: true);
+    }
+}

DeepDrftTests/ReleaseRoutesTests.cs

@@ -0,0 +1,51 @@
+using DeepDrftModels.DTOs;
+using DeepDrftModels.Enums;
+using DeepDrftPublic.Client.Common;
+
+namespace DeepDrftTests;
+
+/// <summary>
+/// The medium→detail-route table is the single source of truth for release navigation (Phase 11
+/// §2): Archive cards, AlbumsView cards, the player-bar title, and the /tracks/{id} redirect page
+/// all resolve through <see cref="ReleaseRoutes.DetailHref(long, ReleaseMedium)"/>. These tests pin
+/// each medium to its dedicated route and confirm the DTO overload (the call shape used everywhere
+/// but the redirect page) agrees with the primitive overload (the shape the redirect page uses
+/// after fetching the release by id).
+/// </summary>
+[TestFixture]
+public class ReleaseRoutesTests
+{
+    [TestCase(ReleaseMedium.Cut, "/cuts/42")]
+    [TestCase(ReleaseMedium.Session, "/sessions/42")]
+    [TestCase(ReleaseMedium.Mix, "/mixes/42")]
+    public void DetailHref_ResolvesEachMediumToItsDedicatedRoute(ReleaseMedium medium, string expected)
+    {
+        Assert.That(ReleaseRoutes.DetailHref(42, medium), Is.EqualTo(expected));
+    }
+
+    [TestCase(ReleaseMedium.Cut, "/cuts/7")]
+    [TestCase(ReleaseMedium.Session, "/sessions/7")]
+    [TestCase(ReleaseMedium.Mix, "/mixes/7")]
+    public void DetailHref_DtoOverload_AgreesWithPrimitiveOverload(ReleaseMedium medium, string expected)
+    {
+        // The redirect page resolves a fetched ReleaseDto through this overload; every other call
+        // site does too. It must produce the same route as the (id, medium) primitive.
+        var release = new ReleaseDto { Id = 7, Medium = medium };
+
+        Assert.That(ReleaseRoutes.DetailHref(release), Is.EqualTo(expected));
+    }
+
+    [Test]
+    public void DetailHref_NonCutMediaNeverResolveToTheCutDefaultArm()
+    {
+        // The switch routes Cut via the default arm, so a new medium added without its own arm would
+        // silently fall through to /cuts. This pins every non-Cut medium to a distinct, non-/cuts
+        // route — a fourth medium lacking a route arm fails here rather than mis-routing to /cuts.
+        foreach (var medium in Enum.GetValues<ReleaseMedium>().Where(m => m != ReleaseMedium.Cut))
+        {
+            var href = ReleaseRoutes.DetailHref(1, medium);
+            Assert.That(href, Does.Not.StartWith("/cuts/"),
+                $"Medium {medium} fell through to the Cut default arm ('{href}') — it needs its own route.");
+        }
+    }
+}