chore: fix pghistory migration deps and improve htmx utilities

- Update pghistory dependency from 0007 to 0006 in account migrations
- Add docstrings and remove unused imports in htmx_forms.py
- Add DJANGO_SETTINGS_MODULE bash commands to Claude settings
- Add state transition definitions for ride statuses

backend/apps/moderation/apps.py

@@ -5,3 +5,46 @@ class ModerationConfig(AppConfig):
     default_auto_field = "django.db.models.BigAutoField"
     name = "apps.moderation"
     verbose_name = "Content Moderation"
+
+    def ready(self):
+        """Initialize state machines for all moderation models."""
+        from apps.core.state_machine import apply_state_machine
+        from .models import (
+            EditSubmission,
+            ModerationReport,
+            ModerationQueue,
+            BulkOperation,
+            PhotoSubmission,
+        )
+
+        # Apply FSM to all models with their respective choice groups
+        apply_state_machine(
+            EditSubmission,
+            field_name="status",
+            choice_group="edit_submission_statuses",
+            domain="moderation",
+        )
+        apply_state_machine(
+            ModerationReport,
+            field_name="status",
+            choice_group="moderation_report_statuses",
+            domain="moderation",
+        )
+        apply_state_machine(
+            ModerationQueue,
+            field_name="status",
+            choice_group="moderation_queue_statuses",
+            domain="moderation",
+        )
+        apply_state_machine(
+            BulkOperation,
+            field_name="status",
+            choice_group="bulk_operation_statuses",
+            domain="moderation",
+        )
+        apply_state_machine(
+            PhotoSubmission,
+            field_name="status",
+            choice_group="photo_submission_statuses",
+            domain="moderation",
+        )