feat(ai): centralize durable usage

Add a content-free usage ledger with legacy backfill. Reserve Workspace and durable Strategy/CV work before execution so deleted history or duplicate admission cannot reset limits.
2026-08-15 20:03:06 +02:00
parent dbff0f8d49
commit 134aac7bcf
28 changed files with 3539 additions and 83 deletions
@@ -182,6 +182,57 @@ namespace JobTrackerApi.Migrations
                    b.ToTable("AiInteractions");
                });

+            modelBuilder.Entity("JobTrackerApi.Models.AiUsageRecord", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("CallCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTimeOffset>("CreatedAtUtc")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("EstimatedTokenCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("InputCharacterCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("OutputCharacterCount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("OwnerUserId")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SourceId")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("SourceType")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("TaskType")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OwnerUserId", "CreatedAtUtc");
+
+                    b.HasIndex("OwnerUserId", "SourceType", "SourceId")
+                        .IsUnique();
+
+                    b.ToTable("AiUsageRecords");
+                });
+
            modelBuilder.Entity("JobTrackerApi.Models.AiWorkspaceNote", b =>
                {
                    b.Property<int>("Id")