semantic cleanup

backend/src/core/config_models.py

@@ -71,6 +71,19 @@ class CleanReleaseConfig(BaseModel):
 # [/DEF:CleanReleaseConfig:DataClass]
 
 
+# [DEF:FeaturesConfig:DataClass]
+# @COMPLEXITY: 1
+# @PURPOSE: Top-level feature flags that toggle entire project features on/off.
+# @RATIONALE: Features are read from environment variables on bootstrap and persisted in DB.
+#            DB is source of truth after initial bootstrap; env vars only seed defaults.
+class FeaturesConfig(BaseModel):
+    dataset_review: bool = True
+    health_monitor: bool = True
+
+
+# [/DEF:FeaturesConfig:DataClass]
+
+
 # [DEF:GlobalSettings:DataClass]
 # @PURPOSE: Represents global application settings.
 class GlobalSettings(BaseModel):
@@ -78,6 +91,7 @@ class GlobalSettings(BaseModel):
     clean_release: CleanReleaseConfig = Field(default_factory=CleanReleaseConfig)
     default_environment_id: Optional[str] = None
     logging: LoggingConfig = Field(default_factory=LoggingConfig)
+    features: FeaturesConfig = Field(default_factory=FeaturesConfig)
     connections: List[dict] = []
     llm: dict = Field(
         default_factory=lambda: {