Centralize SQLite settings and expand PRAGMA tuning

@@ -100,6 +100,30 @@ MEDIA_URL = 'media/'MEDIA_ROOT = BASE_DIR / "media"# Database# https://docs.djangoproject.com/en/4.0/ref/settings/#databasesDATABASES = {    'default': {        'ENGINE': 'django.db.backends.sqlite3',        'NAME': BASE_DIR / 'db.sqlite3',        'OPTIONS': {            'timeout': 30,            'transaction_mode': 'IMMEDIATE',            'init_command': (                'PRAGMA journal_mode=WAL;'                'PRAGMA synchronous=NORMAL;'                'PRAGMA foreign_keys=ON;'                'PRAGMA temp_store=MEMORY;'                'PRAGMA mmap_size=134217728;'                'PRAGMA journal_size_limit=67108864;'                'PRAGMA cache_size=-20000;'            ),        },    }}# Default primary key field type# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field

@@ -27,17 +27,6 @@ CSRF_TRUSTED_ORIGINS = []# Database# https://docs.djangoproject.com/en/4.0/ref/settings/#databasesDATABASES = {    'default': {        'ENGINE': 'django.db.backends.sqlite3',        'NAME': BASE_DIR / 'db.sqlite3',    }}# Media files (Images, Videos)# https://docs.djangoproject.com/en/4.0/ref/settings/#media-root

@@ -44,12 +44,7 @@ SESSION_COOKIE_SECURE = True# Database# https://docs.djangoproject.com/en/4.0/ref/settings/#databasesDATABASES = {    "default": {        "ENGINE": "django.db.backends.sqlite3",        "NAME": "/data/db/db.sqlite3",    }}DATABASES["default"]["NAME"] = "/data/db/db.sqlite3"# Media files (Images, Videos)

@@ -0,0 +1,24 @@from django.core.management.base import BaseCommandfrom django.utils import timezonefrom properties.models import Eventclass Command(BaseCommand):    help = "Delete Event rows older than --days (default 730)."    def add_arguments(self, parser):        parser.add_argument("--days", type=int, default=730)        parser.add_argument("--dry-run", action="store_true")    def handle(self, *args, **options):        cutoff = timezone.now() - timezone.timedelta(days=options["days"])        qs = Event.objects.filter(created_at__lt=cutoff)        count = qs.count()        if options["dry_run"]:            self.stdout.write(f"Would delete {count} events older than {cutoff.isoformat()}")            return        deleted, _ = qs.delete()        self.stdout.write(f"Deleted {deleted} events older than {cutoff.isoformat()}")