ref: convert ProjectOption.value to django JSONField (#96682)

<!-- Describe your PR here. -->

Author: asottile-sentry

migrations_lockfile.txt

@@ -27,7 +27,7 @@ preprod: 0013_binary_uuid
 
 replays: 0006_add_bulk_delete_job
 
-sentry: 0959_add_has_logs_bit_to_project_model
+sentry: 0960_project_option_json_field
 
 social_auth: 0003_social_auth_json_field
 

src/sentry/migrations/0960_project_option_json_field.py

@@ -0,0 +1,40 @@
+# Generated by Django 5.2.1 on 2025-07-29 18:54
+
+from django.db import migrations, models
+
+from sentry.new_migrations.migrations import CheckedMigration
+
+mod = __import__("sentry.migrations.0929_no_pickle_authenticator", fromlist=["_trash"])
+
+
+class Migration(CheckedMigration):
+    # This flag is used to mark that a migration shouldn't be automatically run in production.
+    # This should only be used for operations where it's safe to run the migration after your
+    # code has deployed. So this should not be used for most operations that alter the schema
+    # of a table.
+    # Here are some things that make sense to mark as post deployment:
+    # - Large data migrations. Typically we want these to be run manually so that they can be
+    #   monitored and not block the deploy for a long period of time while they run.
+    # - Adding indexes to large tables. Since this can take a long time, we'd generally prefer to
+    #   run this outside deployments so that we don't block them. Note that while adding an index
+    #   is a schema change, it's completely safe to run the operation after the code has deployed.
+    # Once deployed, run these manually via: https://develop.sentry.dev/database-migrations/#migration-deployment
+
+    is_post_deployment = True
+
+    dependencies = [
+        ("sentry", "0959_add_has_logs_bit_to_project_model"),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            database_operations=[mod.to_jsonb("sentry_projectoptions", "value")],
+            state_operations=[
+                migrations.AlterField(
+                    model_name="projectoption",
+                    name="value",
+                    field=models.JSONField(null=True),
+                ),
+            ],
+        )
+    ]

src/sentry/models/options/project_option.py

@@ -10,7 +10,6 @@
 from sentry.backup.helpers import ImportFlags
 from sentry.backup.scopes import ImportScope, RelocationScope
 from sentry.db.models import FlexibleForeignKey, Model, region_silo_model, sane_repr
-from sentry.db.models.fields import PickledObjectField
 from sentry.db.models.manager.option import OptionManager
 from sentry.utils.cache import cache
 
@@ -208,7 +207,7 @@ class ProjectOption(Model):
 
     project = FlexibleForeignKey("sentry.Project")
     key = models.CharField(max_length=64)
-    value = PickledObjectField(null=True)
+    value = models.JSONField(null=True)
 
     objects: ClassVar[ProjectOptionManager] = ProjectOptionManager()