Add timed bidding support with countdown displays and debug view

- Added `bidding_duration` field to `DraftSessionSettings` model and migration.
- Updated `DraftStateManager` to manage bidding start/end times using session settings.
- Extended WebSocket payloads to include bidding timer data.
- Added `DraftCountdownClock` React component and integrated into admin and participant UIs.
- Created new `DraftDebug` view, template, and front-end component for real-time state debugging.
- Updated utility functions to handle new timer fields in draft state.
- Changed script tags in templates to load with `defer` for non-blocking execution.

draft/migrations/0007_draftsessionsettings_bidding_duration_and_more.py

@@ -0,0 +1,35 @@
+# Generated by Django 5.2.4 on 2025-08-10 22:10
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('boxofficefantasy', '0009_alter_moviemetric_value_alter_pick_bid_amount_and_more'),
+        ('draft', '0006_remove_draftparticipant_draft_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='draftsessionsettings',
+            name='bidding_duration',
+            field=models.IntegerField(default=90),
+        ),
+        migrations.AlterField(
+            model_name='draftpick',
+            name='draft',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='draft_picks', to='draft.draftsession'),
+        ),
+        migrations.AlterField(
+            model_name='draftsession',
+            name='movies',
+            field=models.ManyToManyField(blank=True, related_name='draft_sessions', to='boxofficefantasy.movie'),
+        ),
+        migrations.AlterField(
+            model_name='draftsessionparticipant',
+            name='draft_session',
+            field=models.ForeignKey(blank=True, on_delete=django.db.models.deletion.CASCADE, to='draft.draftsession'),
+        ),
+    ]