fix(cv): protect revisions and measure rendering readiness

JobTrackerApi/Services/CvVariantService.cs

@@ -28,12 +28,12 @@ public interface ICvVariantService
     Task<bool> CanAssociateJobAsync(string ownerUserId, int jobApplicationId, CancellationToken ct);
     Task<CvVariant?> GetAsync(string ownerUserId, int id, CancellationToken ct);
     Task<CvVariant> CreateAsync(string ownerUserId, string? name, int? jobApplicationId, CvVariantSettings? settings, CancellationToken ct);
-    Task<CvVariant?> SaveAsync(string ownerUserId, int id, string? name, CvVariantSettings settings, string source, CancellationToken ct);
+    Task<CvVariant?> SaveAsync(string ownerUserId, int id, string? name, CvVariantSettings settings, string source, int expectedVersion, CancellationToken ct);
     Task<CvVariant?> SetPublicAsync(string ownerUserId, int id, bool isPublic, CancellationToken ct);
     Task<CvVariant?> DuplicateAsync(string ownerUserId, int id, string? newName, CancellationToken ct);
     Task<bool> DeleteAsync(string ownerUserId, int id, CancellationToken ct);
     Task<IReadOnlyList<CvVariantVersionInfo>> ListVersionsAsync(string ownerUserId, int id, CancellationToken ct);
-    Task<CvVariant?> RestoreVersionAsync(string ownerUserId, int id, int version, CancellationToken ct);
+    Task<CvVariant?> RestoreVersionAsync(string ownerUserId, int id, int version, int expectedVersion, CancellationToken ct);
 
     // Render a saved variant against the current master profile.
     Task<ThemedCvRenderResult?> RenderAsync(string ownerUserId, int id, CvRenderPerson person, CancellationToken ct);
@@ -108,10 +108,12 @@ public sealed class CvVariantService : ICvVariantService
         return variant;
     }
 
-    public async Task<CvVariant?> SaveAsync(string ownerUserId, int id, string? name, CvVariantSettings settings, string source, CancellationToken ct)
+    public async Task<CvVariant?> SaveAsync(string ownerUserId, int id, string? name, CvVariantSettings settings, string source, int expectedVersion, CancellationToken ct)
     {
         var variant = await GetAsync(ownerUserId, id, ct);
         if (variant is null) return null;
+        if (expectedVersion < 1 || variant.Version != expectedVersion)
+            throw new DbUpdateConcurrencyException("The CV changed after it was loaded.");
         if (!string.IsNullOrWhiteSpace(name)) variant.Name = CleanName(name);
         variant.SettingsJson = CvVariantSettingsJson.Serialize(settings);
         variant.Version += 1;
@@ -164,14 +166,14 @@ public sealed class CvVariantService : ICvVariantService
         return versions.Select(x => new CvVariantVersionInfo(x.Version, x.Source, x.CreatedAtUtc, x.Version == variant.Version)).ToList();
     }
 
-    public async Task<CvVariant?> RestoreVersionAsync(string ownerUserId, int id, int version, CancellationToken ct)
+    public async Task<CvVariant?> RestoreVersionAsync(string ownerUserId, int id, int version, int expectedVersion, CancellationToken ct)
     {
         var variant = await GetAsync(ownerUserId, id, ct);
         if (variant is null) return null;
         var target = await _db.CvVariantVersions.FirstOrDefaultAsync(x => x.CvVariantId == id && x.Version == version, ct);
         if (target is null) return null;
         var settings = CvVariantSettingsJson.Deserialize(target.SettingsJson);
-        return await SaveAsync(ownerUserId, id, null, settings, $"restore:v{version}", ct);
+        return await SaveAsync(ownerUserId, id, null, settings, $"restore:v{version}", expectedVersion, ct);
     }
 
     public async Task<ThemedCvRenderResult?> RenderAsync(string ownerUserId, int id, CvRenderPerson person, CancellationToken ct)

JobTrackerApi/Services/PlaywrightCvPdfExporter.cs

@@ -208,6 +208,7 @@ public sealed class PlaywrightCvPdfExporter : ICvPdfExporter
             "--disable-dev-shm-usage",
             "--allow-file-access-from-files",
             "--enable-local-file-accesses",
+            "--no-pdf-header-footer",
             $"--print-to-pdf={storagePath}",
             new Uri(htmlPath).AbsoluteUri
         };

JobTrackerApi/Services/ThemedCvRenderer.cs

@@ -294,7 +294,7 @@ h1,h2{{font-family:{headingFont};}}
 .section-presentation-compact>.bullets li{{margin-bottom:{F(.75 * density)}mm;}}
 .section-presentation-bubble>.tags,.section-presentation-bubble>.bullets{{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:1.4mm;}}
 .section-presentation-bubble>.bullets li,.section-presentation-bubble>.tags li{{margin:0;border:1px solid var(--cv-accent-soft);border-radius:999px;padding:.7mm 2.2mm;}}
-.section-presentation-bubble>.bullets li::marker{{content:"";}}
+.section-presentation-bubble>.bullets li::marker{{content:"""";}}
 .bullets{{margin:0;padding-left:4.5mm;}}
 .bullets li{{margin:0 0 {F(1.6 * density)}mm 0;}}
 .bullets li::marker{{color:var(--cv-accent-color);}}