feat(cv): rebuild professional resume studio

JobTrackerApi/Controllers/CvVariantController.cs

@@ -18,13 +18,15 @@ public sealed class CvVariantController : ControllerBase
     private readonly ICvVariantService _variants;
     private readonly ICvPdfExporter _pdf;
     private readonly ISummarizerService _ai;
+    private readonly IThemedCvRenderer _renderer;
 
-    public CvVariantController(UserManager<ApplicationUser> users, ICvVariantService variants, ICvPdfExporter pdf, ISummarizerService ai)
+    public CvVariantController(UserManager<ApplicationUser> users, ICvVariantService variants, ICvPdfExporter pdf, ISummarizerService ai, IThemedCvRenderer? renderer = null)
     {
         _users = users;
         _variants = variants;
         _pdf = pdf;
         _ai = ai;
+        _renderer = renderer ?? new ThemedCvRenderer();
     }
 
     public sealed record VariantDto(int Id, string Name, CvVariantSettings Settings, bool IsPublic, string PublicSlug, int Version, int? JobApplicationId, DateTimeOffset UpdatedAtUtc);
@@ -61,6 +63,20 @@ public sealed class CvVariantController : ControllerBase
         return Ok(themes);
     }
 
+    // Render-only sample for visual template thumbnails. This in-memory content is never written to
+    // the authenticated user's master profile or to a CV variant.
+    [HttpGet("themes/{themeId}/preview")]
+    public async Task<ActionResult<RenderDto>> GetThemePreview(string themeId)
+    {
+        var user = await _users.GetUserAsync(User);
+        if (user is null) return Unauthorized();
+        if (!CvThemeCatalog.Exists(themeId)) return NotFound();
+        var theme = CvThemeCatalog.Resolve(themeId);
+        var settings = CvVariantSettingsJson.Normalize(new CvVariantSettings { ThemeId = theme.Id, ShowIcons = true });
+        var render = _renderer.Render(TemplatePreviewModel(), theme, settings);
+        return Ok(new RenderDto(render.ThemeId, render.Html, render.SuggestedFileName));
+    }
+
     // The master profile as sections+entries (with ItemKeys) — the Content tab reads this to render
     // editable rows without duplicating the profile shape on the client.
     [HttpGet("outline")]
@@ -88,6 +104,8 @@ public sealed class CvVariantController : ControllerBase
             return BadRequest("Unknown theme.");
         if (request?.Settings is not null && !await CanUseThemeAsync(user, request.Settings.ThemeId))
             return StatusCode(StatusCodes.Status403Forbidden, "This theme requires Pro.");
+        if (request?.JobApplicationId is int jobApplicationId && !await _variants.CanAssociateJobAsync(user.Id, jobApplicationId, ct))
+            return BadRequest("The job application is unavailable.");
         var variant = await _variants.CreateAsync(user.Id, request?.Name, request?.JobApplicationId, request?.Settings, ct);
         return Ok(ToDto(variant));
     }
@@ -228,6 +246,7 @@ public sealed class CvVariantController : ControllerBase
             "shorten" => "Make the text more concise without losing meaning.",
             "expand" => "Expand the text with more concrete, relevant detail — but never invent facts.",
             "grammar" => "Fix grammar, spelling and punctuation only. Keep wording and meaning.",
+            "impact" => "Strengthen the text by identifying where the user could add measurable impact. Use clearly marked placeholders for missing numbers and never invent a metric or result.",
             "ats" => "Rewrite for ATS keyword optimisation: strong action verbs, quantified impact, clear phrasing. Do not invent facts.",
             "bullets" => "Rewrite as 3–5 tight achievement bullet points, each starting with a strong action verb. Do not invent facts.",
             "summary" => "Write a concise professional summary (2–3 sentences) from this text. Do not invent facts.",
@@ -241,6 +260,34 @@ public sealed class CvVariantController : ControllerBase
     private async Task<bool> CanUseThemeAsync(ApplicationUser user, string? themeId) =>
         CvThemeCatalog.CanUse(themeId, AccountPlans.ForRoles(await _users.GetRolesAsync(user)).ProThemes);
 
+    private static CvRenderModel TemplatePreviewModel() => new()
+    {
+        FullName = "Alex Morgan",
+        Headline = "Product & Platform Engineer",
+        Contact =
+        [
+            new() { Icon = "email", Value = "alex@example.com", Href = "mailto:alex@example.com" },
+            new() { Icon = "location", Value = "Oslo, Norway" },
+            new() { Icon = "web", Value = "alexmorgan.dev", Href = "https://alexmorgan.dev" },
+        ],
+        Sections =
+        [
+            new() { Key = "summary", Title = "Profile", Kind = "bullets", Bullets = ["Engineer focused on clear products, resilient systems and measurable delivery."] },
+            new()
+            {
+                Key = "experience", Title = "Experience", Kind = "entries",
+                Entries =
+                [
+                    new() { Title = "Senior Platform Engineer", Subtitle = "Northstar Labs", Meta = "2022 – Present", Bullets = ["Led platform improvements across product teams.", "Reduced release lead time through safer automation."] },
+                    new() { Title = "Software Engineer", Subtitle = "Studio Works", Meta = "2019 – 2022", Bullets = ["Built accessible customer workflows and APIs."] },
+                ],
+            },
+            new() { Key = "skills", Title = "Skills", Kind = "tags", Tags = ["C#", "React", "Cloud", "Design systems", "Delivery"] },
+            new() { Key = "education", Title = "Education", Kind = "entries", Entries = [new() { Title = "BSc Computer Science", Subtitle = "University of Oslo", Meta = "2016 – 2019" }] },
+            new() { Key = "languages", Title = "Languages", Kind = "tags", Tags = ["English", "Norwegian"] },
+        ],
+    };
+
     private static CvRenderPerson Person(ApplicationUser user)
     {
         var name = string.Join(" ", new[] { user.FirstName?.Trim(), user.LastName?.Trim() }.Where(x => !string.IsNullOrWhiteSpace(x)));