ref(grouping): Add grouping config name constants (#103183)

This adds a constant for the name of the current default grouping config to `server.py` and moves the corresponding constant for the new grouping config to live alongside it, then uses those constants when defining the configs. This lets us separate out the idea of "the `newstyle:2023-01-11` config" from the idea of "the default config," so that we can still refer easily to the former even once the latter has changed.

Author: lobsterkatie

src/sentry/conf/server.py

@@ -2696,7 +2696,9 @@ def custom_parameter_sort(parameter: dict) -> tuple[str, int]:
 # Similarity-v1: uses hardcoded set of event properties for diffing
 SENTRY_SIMILARITY_INDEX_REDIS_CLUSTER = "default"
 
-DEFAULT_GROUPING_CONFIG = "newstyle:2023-01-11"
+WINTER_2023_GROUPING_CONFIG = "newstyle:2023-01-11"
+FALL_2025_GROUPING_CONFIG = "newstyle:2025-11-21"
+DEFAULT_GROUPING_CONFIG = WINTER_2023_GROUPING_CONFIG
 BETA_GROUPING_CONFIG = ""
 
 # How long the migration phase for grouping lasts

src/sentry/grouping/strategies/configurations.py

@@ -1,3 +1,4 @@
+from sentry.conf.server import FALL_2025_GROUPING_CONFIG, WINTER_2023_GROUPING_CONFIG
 from sentry.grouping.strategies.base import (
     StrategyConfiguration,
     create_strategy_configuration_class,
@@ -52,7 +53,7 @@ def register_grouping_config(id: str, **kwargs) -> type[StrategyConfiguration]:
 
 # This is the current default config
 register_grouping_config(
-    id="newstyle:2023-01-11",
+    id=WINTER_2023_GROUPING_CONFIG,
     # There's no `base` argument here because this config is based on `BASE_STRATEGY`. To base a
     # config on a previous config, include its `id` value as the value for `base` here.
     initial_context={
@@ -63,10 +64,9 @@ def register_grouping_config(id: str, **kwargs) -> type[StrategyConfiguration]:
     fingerprinting_bases=["javascript@2024-02-02"],
 )
 
-FALL_2025_GROUPING_CONFIG = "newstyle:2025-11-21"
 register_grouping_config(
     id=FALL_2025_GROUPING_CONFIG,
-    base="newstyle:2023-01-11",
+    base=WINTER_2023_GROUPING_CONFIG,
     initial_context={
         "use_legacy_exception_subcomponent_order": False,
     },

tests/sentry/grouping/test_components.py

@@ -3,7 +3,7 @@
 
 import pytest
 
-from sentry.conf.server import DEFAULT_GROUPING_CONFIG
+from sentry.conf.server import FALL_2025_GROUPING_CONFIG, WINTER_2023_GROUPING_CONFIG
 from sentry.grouping.component import (
     BaseGroupingComponent,
     ChainedExceptionGroupingComponent,
@@ -13,7 +13,6 @@
     StacktraceGroupingComponent,
     ThreadsGroupingComponent,
 )
-from sentry.grouping.strategies.configurations import FALL_2025_GROUPING_CONFIG
 from sentry.services.eventstore.models import Event
 from sentry.testutils.cases import TestCase
 
@@ -387,7 +386,7 @@ def test_get_subcomponent(self) -> None:
     def test_configs_put_exception_subcomponents_in_expected_order(self) -> None:
         self.event.data["exception"]["values"][0]["stacktrace"] = {"frames": []}
 
-        self.project.update_option("sentry:grouping_config", DEFAULT_GROUPING_CONFIG)
+        self.project.update_option("sentry:grouping_config", WINTER_2023_GROUPING_CONFIG)
         variants = self.event.get_grouping_variants()
         exception_component = variants["app"].root_component.values[0]
         assert isinstance(exception_component, ExceptionGroupingComponent)