Add internet job search feature (cv-search-job)

- New cv-search-models shared library: EF entities + CvSearchDbContext for cvSearch schema (JobSearchTokens, JobSearchSessions, JobSearchResults tables)
- New cv-search-job worker service: polls DB for pending sessions, scrapes job boards via configurable HTML scraping, runs LLM scoring via cv-matcher-api, emails ranked results
- cv-matcher-api: JobTokenService creates one-time tokens; JobSearchController handles link clicks and creates sessions
- api: proxies job-search start endpoint, appends job search link to match result email
- CI workflow updated to build and push myai-cv-search-job:staging image
- CLAUDE.md documentation added for all affected services

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Apis/cv-search-models/Data/CvSearchDbContext.cs

@@ -0,0 +1,60 @@
+using CvSearch.Models.Data.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace CvSearch.Models.Data;
+
+public sealed class CvSearchDbContext : DbContext
+{
+    public const string SchemaName = "cvSearch";
+    public const string MigrationTableName = "_Migrations";
+
+    public CvSearchDbContext(DbContextOptions<CvSearchDbContext> options) : base(options) { }
+
+    public DbSet<JobSearchTokenEntity> JobSearchTokens => Set<JobSearchTokenEntity>();
+    public DbSet<JobSearchSessionEntity> JobSearchSessions => Set<JobSearchSessionEntity>();
+    public DbSet<JobSearchResultEntity> JobSearchResults => Set<JobSearchResultEntity>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.HasDefaultSchema(SchemaName);
+
+        modelBuilder.Entity<JobSearchTokenEntity>(entity =>
+        {
+            entity.ToTable("JobSearchTokens");
+            entity.HasKey(x => x.Id);
+            entity.Property(x => x.Id).HasMaxLength(64);
+            entity.Property(x => x.CvDocumentId).HasMaxLength(64).IsRequired();
+            entity.Property(x => x.Email).HasMaxLength(256).IsRequired();
+            entity.Property(x => x.Used).HasDefaultValue(false);
+            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
+        });
+
+        modelBuilder.Entity<JobSearchSessionEntity>(entity =>
+        {
+            entity.ToTable("JobSearchSessions");
+            entity.HasKey(x => x.Id);
+            entity.Property(x => x.Id).HasMaxLength(64);
+            entity.Property(x => x.TokenId).HasMaxLength(64).IsRequired();
+            entity.Property(x => x.CvDocumentId).HasMaxLength(64).IsRequired();
+            entity.Property(x => x.Email).HasMaxLength(256).IsRequired();
+            entity.Property(x => x.Status).HasMaxLength(32).IsRequired();
+            entity.Property(x => x.Keywords).HasMaxLength(1000);
+            entity.Property(x => x.ProviderConfigJson).IsRequired(false);
+            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
+            entity.HasIndex(x => x.Status);
+        });
+
+        modelBuilder.Entity<JobSearchResultEntity>(entity =>
+        {
+            entity.ToTable("JobSearchResults");
+            entity.HasKey(x => x.Id);
+            entity.Property(x => x.Id).HasMaxLength(64);
+            entity.Property(x => x.SessionId).HasMaxLength(64).IsRequired();
+            entity.Property(x => x.ProviderName).HasMaxLength(128);
+            entity.Property(x => x.JobUrl).HasMaxLength(2048);
+            entity.Property(x => x.JobTitle).HasMaxLength(512);
+            entity.Property(x => x.CreatedAt).HasDefaultValueSql("SYSUTCDATETIME()");
+            entity.HasIndex(x => x.SessionId);
+        });
+    }
+}

Apis/cv-search-models/Data/Entities/JobSearchResultEntity.cs

@@ -0,0 +1,14 @@
+namespace CvSearch.Models.Data.Entities;
+
+public sealed class JobSearchResultEntity
+{
+    public string Id { get; set; } = string.Empty;
+    public string SessionId { get; set; } = string.Empty;
+    public string ProviderName { get; set; } = string.Empty;
+    public string JobUrl { get; set; } = string.Empty;
+    public string JobTitle { get; set; } = string.Empty;
+    public string JobText { get; set; } = string.Empty;
+    public int Score { get; set; }
+    public string ResultJson { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}

Apis/cv-search-models/Data/Entities/JobSearchSessionEntity.cs

@@ -0,0 +1,21 @@
+namespace CvSearch.Models.Data.Entities;
+
+public sealed class JobSearchSessionEntity
+{
+    public string Id { get; set; } = string.Empty;
+    public string TokenId { get; set; } = string.Empty;
+    public string CvDocumentId { get; set; } = string.Empty;
+    public string Email { get; set; } = string.Empty;
+    public string Status { get; set; } = JobSearchStatus.Pending;
+    public string Keywords { get; set; } = string.Empty;
+    public string? ProviderConfigJson { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}
+
+public static class JobSearchStatus
+{
+    public const string Pending = "Pending";
+    public const string Processing = "Processing";
+    public const string Done = "Done";
+    public const string Failed = "Failed";
+}

Apis/cv-search-models/Data/Entities/JobSearchTokenEntity.cs

@@ -0,0 +1,11 @@
+namespace CvSearch.Models.Data.Entities;
+
+public sealed class JobSearchTokenEntity
+{
+    public string Id { get; set; } = string.Empty;
+    public string CvDocumentId { get; set; } = string.Empty;
+    public string Email { get; set; } = string.Empty;
+    public DateTime ExpiresAt { get; set; }
+    public bool Used { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}