🔧 Fix wallet 500 error and error page alignment

- Add missing stripe_payment_intent_id field to WalletTransaction model
- Create and apply database migration for wallet schema fix
- Fix vertical alignment of help widgets on all error pages (400, 403, 404, 500)
- Add margin-left: auto to align help widgets with wallet card above
- Include data_analyzer migration for file field optimization

🚀 Generated with [Claude Code](https://claude.ai/code)

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

data_analyzer/migrations/0005_alter_dataanalysisagentrequest_data_file.py

@@ -0,0 +1,22 @@
+# Generated by Django 5.2.4 on 2025-07-27 03:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("data_analyzer", "0004_fix_duplicate_fields"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="dataanalysisagentrequest",
+            name="data_file",
+            field=models.FileField(
+                blank=True,
+                help_text="PDF file for analysis",
+                upload_to="uploads/data_analyzer/",
+            ),
+        ),
+    ]

templates/400.html

@@ -90,7 +90,7 @@
         </div>
         
         <!-- Help Widget -->
-        <div class="agent-widget widget-small">
+        <div class="agent-widget widget-small" style="margin-left: auto;">
             <div class="agent-widget-header">
                 <h3 class="agent-widget-title">
                     <span class="agent-icon">🛠️</span>

templates/403.html

@@ -76,7 +76,7 @@
         </div>
         
         <!-- Support Widget -->
-        <div class="agent-widget widget-small">
+        <div class="agent-widget widget-small" style="margin-left: auto;">
             <div class="agent-widget-header">
                 <h3 class="agent-widget-title">
                     <span class="agent-icon">🆘</span>

templates/404.html

@@ -76,7 +76,7 @@
         </div>
         
         <!-- Help Widget -->
-        <div class="agent-widget widget-small">
+        <div class="agent-widget widget-small" style="margin-left: auto;">
             <div class="agent-widget-header">
                 <h3 class="agent-widget-title">
                     <span class="agent-icon">💡</span>

templates/500.html

@@ -69,7 +69,7 @@
         </div>
         
         <!-- Status Widget -->
-        <div class="agent-widget widget-small">
+        <div class="agent-widget widget-small" style="margin-left: auto;">
             <div class="agent-widget-header">
                 <h3 class="agent-widget-title">
                     <span class="agent-icon">📊</span>

wallet/migrations/0002_wallettransaction_stripe_payment_intent_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.4 on 2025-07-27 03:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("wallet", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="wallettransaction",
+            name="stripe_payment_intent_id",
+            field=models.CharField(blank=True, default="", max_length=200, null=True),
+        ),
+    ]