fix(cv): gate AI proposals on grounding and source freshness

JobTrackerApi/Program.cs

@@ -75,6 +75,7 @@ builder.Services.AddSingleton<ICvPdfExporter, PlaywrightCvPdfExporter>();
 builder.Services.AddScoped<ICareerProfileService, CareerProfileService>();
 builder.Services.AddSingleton<ICvProfileDiffService, CvProfileDiffService>();
 builder.Services.AddScoped<ICvVariantService, CvVariantService>();
+builder.Services.AddScoped<CvAiSuggestionService>();
 builder.Services.AddScoped<IAiWorkspaceService, AiWorkspaceService>();
 builder.Services.AddScoped<IApplicationWorkspaceService, ApplicationWorkspaceService>();
 builder.Services.AddScoped<IApplicationChecklistService, ApplicationChecklistService>();