🔧 Fix migration conflict - prevent duplicate column errors

- Convert migration 0002 to no-op to prevent 'data_file column already exists' error
- Fields already exist in Railway PostgreSQL database
- Allows clean deployment without migration conflicts

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

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

data_analyzer/migrations/0002_auto_20250710_0431.py

@@ -1,4 +1,5 @@
 # Generated by Django 5.2.4 on 2025-07-10 04:31
+# Modified to prevent duplicate column errors
 
 from django.db import migrations, models
 
@@ -10,38 +11,6 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        # Add new fields only (don't remove old ones to avoid conflicts)
-        migrations.AddField(
-            model_name='dataanalysisagentrequest',
-            name='data_file',
-            field=models.FileField(blank=True, upload_to='uploads/data_analyzer/'),
-        ),
-        migrations.AddField(
-            model_name='dataanalysisagentrequest',
-            name='analysis_type',
-            field=models.CharField(
-                choices=[
-                    ('summary', 'Summary Analysis'),
-                    ('detailed', 'Detailed Analysis'),
-                    ('statistical', 'Statistical Analysis'),
-                ],
-                default='summary',
-                max_length=50
-            ),
-        ),
-        migrations.AddField(
-            model_name='dataanalysisagentresponse',
-            name='analysis_results',
-            field=models.JSONField(blank=True, default=dict),
-        ),
-        migrations.AddField(
-            model_name='dataanalysisagentresponse',
-            name='insights_summary',
-            field=models.TextField(blank=True),
-        ),
-        migrations.AddField(
-            model_name='dataanalysisagentresponse',
-            name='report_text',
-            field=models.TextField(blank=True),
-        ),
+        # No operations - fields already exist in database
+        # This prevents "column already exists" errors during deployment
     ]