feat: associate generation calls with devices

apps/billing/admin.py

@@ -109,6 +109,7 @@ class CallRecordAdmin(ReadOnlyLedgerAdmin):
         "created_at",
         "user",
         "api_key",
+        "client_device",
         "operation_type",
         "alias",
         "model_used",
@@ -116,7 +117,7 @@ class CallRecordAdmin(ReadOnlyLedgerAdmin):
         "status",
         "upstream_latency_ms",
     )
-    list_filter = ("operation_type", "status", "created_at")
+    list_filter = ("operation_type", "status", "client_device", "created_at")
     search_fields = (
         "user__username",
         "user__email",
@@ -129,7 +130,7 @@ class CallRecordAdmin(ReadOnlyLedgerAdmin):
         "result_summary",
     )
     ordering = ("-created_at", "-id")
-    list_select_related = ("user", "api_key")
+    list_select_related = ("user", "api_key", "client_device")
 
 
 @admin.register(SignupBonusGrant)

apps/billing/migrations/0010_callrecord_client_device_and_more.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.2.15 on 2026-07-21 01:34
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0009_signup_bonus_default_ten'),
+        ('licensing', '0001_initial'),
+        ('users', '0005_alter_apikey_created_at_alter_apikey_key_hash_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='callrecord',
+            name='client_device',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='call_records', to='licensing.clientdevice', verbose_name='客户端设备'),
+        ),
+        migrations.AddIndex(
+            model_name='callrecord',
+            index=models.Index(fields=['client_device', 'created_at'], name='call_record_client__d5a0fb_idx'),
+        ),
+    ]

apps/billing/models.py

@@ -35,6 +35,14 @@ class CallRecord(models.Model):
         on_delete=models.SET_NULL,
         related_name="call_records",
     )
+    client_device = models.ForeignKey(
+        "licensing.ClientDevice",
+        verbose_name="客户端设备",
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        related_name="call_records",
+    )
     operation_type = models.CharField("操作类型", max_length=32, choices=OperationType.choices)
     alias = models.CharField("能力别名", max_length=64, blank=True)
     model_used = models.CharField("实际模型", max_length=128, blank=True)
@@ -68,6 +76,7 @@ class CallRecord(models.Model):
         indexes = [
             models.Index(fields=("user", "created_at")),
             models.Index(fields=("api_key", "created_at")),
+            models.Index(fields=("client_device", "created_at")),
             models.Index(fields=("operation_type", "status")),
             models.Index(fields=("alias",)),
         ]

apps/billing/services.py

@@ -504,6 +504,7 @@ def precharge_call(
     model_used: str = "",
     resolution: str | None = None,
     api_key=None,
+    client_device=None,
     prompt: str = "",
 ) -> CallCharge:
     points_cost = _validate_positive_points(points_cost)
@@ -524,6 +525,7 @@ def precharge_call(
         call_record = CallRecord.objects.create(
             user=user,
             api_key=api_key,
+            client_device=client_device,
             operation_type=operation_type,
             alias=normalized_alias,
             model_used=str(model_used or "").strip(),