tooltips app TDD spike + kit bag refactor to .tt

- New apps.tooltips: TooltipContent model, {% tooltip data %} inclusion
  tag, _tooltip.html partial with .tt/.tt-title/.tt-description etc.
  class contract; 34 tests green
- Kit bag panel (_kit_bag_panel.html): .token-tooltip → .tt + child
  class renames (tt-title, tt-description, tt-shoptalk, tt-expiry)
- game-kit.js attachTooltip: .token-tooltip → .tt selector
- SCSS: .tt added alongside .token-tooltip for display:none default +
  hover rules in _wallet-tokens.scss and _game-kit.scss

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/apps/tooltips/migrations/0001_initial.py

@@ -0,0 +1,33 @@
+# Generated by Django 6.0 on 2026-04-16 00:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TooltipContent',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('slug', models.SlugField(unique=True)),
+                ('title', models.CharField(max_length=200)),
+                ('type_label', models.CharField(blank=True, max_length=100)),
+                ('symbol', models.CharField(blank=True, max_length=10)),
+                ('degree_str', models.CharField(blank=True, max_length=40)),
+                ('description', models.TextField(blank=True)),
+                ('shoptalk', models.TextField(blank=True)),
+                ('expiry', models.CharField(blank=True, max_length=200)),
+                ('effect', models.TextField(blank=True)),
+                ('extras', models.JSONField(default=dict)),
+            ],
+            options={
+                'ordering': ['slug'],
+            },
+        ),
+    ]