revert(findings): change uid from varchar to text (#7132)

api/src/backend/api/migrations/0013_alter_finding_uid.py

@@ -1,17 +0,0 @@
-# Generated by Django 5.1.5 on 2025-02-26 13:33
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-    dependencies = [
-        ("api", "0012_scan_report_output"),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name="finding",
-            name="uid",
-            field=models.TextField(blank=False, null=False),
-        ),
-    ]

api/src/backend/api/models.py

@@ -636,7 +636,7 @@ class Finding(PostgresPartitionedModel, RowLevelSecurityProtectedModel):
     updated_at = models.DateTimeField(auto_now=True, editable=False)
     first_seen_at = models.DateTimeField(editable=False, null=True)
 
-    uid = models.TextField(blank=False, null=False)
+    uid = models.CharField(max_length=300)
     delta = FindingDeltaEnumField(
         choices=DeltaChoices.choices,
         blank=True,

api/src/backend/api/specs/v1.yaml

@@ -5834,7 +5834,7 @@ components:
           properties:
             uid:
               type: string
-              nullable: false
+              maxLength: 300
             delta:
               enum:
               - new
@@ -5893,6 +5893,7 @@ components:
               readOnly: true
               nullable: true
           required:
+          - uid
           - status
           - severity
           - check_id