fix Nomad icon fa-hat-cowboy → fa-hat-cowboy-side; setup_sea_session command

- migration 0011 ICONS dict corrected for fresh installs
- migration 0013 data fix for existing DBs (filters on old value to be safe)
- TarotCardSuitIconTest updated to assert fa-hat-cowboy-side
- setup_sea_session: single-gamer PICK SEA dev session w. pre-auth URL

Code architected by Disco DeDisco <discodedisco@outlook.com>
Git commit message Co-Authored-By:
Claude Sonnet 4.6 <noreply@anthropic.com>

src/apps/epic/migrations/0011_nomad_schizo_icons.py

@@ -4,7 +4,7 @@ All other Major Arcana already have fa-hand-dots from migration 0010.
 """
 from django.db import migrations
 
-ICONS = {0: 'fa-hat-cowboy', 1: 'fa-hat-wizard'}
+ICONS = {0: 'fa-hat-cowboy-side', 1: 'fa-hat-wizard'}
 
 
 def assign_icons(apps, schema_editor):

src/apps/epic/migrations/0013_fix_nomad_icon.py

@@ -0,0 +1,25 @@
+"""Fix The Nomad icon: fa-hat-cowboy → fa-hat-cowboy-side."""
+from django.db import migrations
+
+
+def fix_nomad_icon(apps, schema_editor):
+    TarotCard = apps.get_model("epic", "TarotCard")
+    DeckVariant = apps.get_model("epic", "DeckVariant")
+    try:
+        earthman = DeckVariant.objects.get(slug="earthman")
+    except DeckVariant.DoesNotExist:
+        return
+    TarotCard.objects.filter(
+        deck_variant=earthman, arcana="MAJOR", number=0, icon="fa-hat-cowboy"
+    ).update(icon="fa-hat-cowboy-side")
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("epic", "0012_delete_stray_pentacles"),
+    ]
+
+    operations = [
+        migrations.RunPython(fix_nomad_icon, reverse_code=migrations.RunPython.noop),
+    ]

src/apps/epic/tests/unit/test_models.py

@@ -51,7 +51,7 @@ class TarotCardSuitIconTest(SimpleTestCase):
     """TarotCard.suit_icon — icon class resolution."""
 
     def test_major_with_icon_returns_icon(self):
-        self.assertEqual(_card('MAJOR', 0, icon='fa-hat-cowboy').suit_icon, 'fa-hat-cowboy')
+        self.assertEqual(_card('MAJOR', 0, icon='fa-hat-cowboy-side').suit_icon, 'fa-hat-cowboy-side')
 
     def test_major_without_icon_returns_empty(self):
         self.assertEqual(_card('MAJOR', 5).suit_icon, '')