Refactor keyword handling: Replace 'intent' with 'country' across backend and frontend

- Updated AutomationService to include estimated_word_count.
- Increased stage_1_batch_size from 20 to 50 in AutomationViewSet.
- Changed Keywords model to replace 'intent' property with 'country'.
- Adjusted ClusteringService to allow a maximum of 50 keywords for clustering.
- Modified admin and management commands to remove 'intent' and use 'country' instead.
- Updated serializers to reflect the change from 'intent' to 'country'.
- Adjusted views and filters to use 'country' instead of 'intent'.
- Updated frontend forms, filters, and pages to replace 'intent' with 'country'.
- Added migration to remove 'intent' field and add 'country' field to SeedKeyword model.

backend/igny8_core/ai/functions/auto_cluster.py

@@ -97,7 +97,6 @@ class AutoClusterFunction(BaseAIFunction):
                     'keyword': kw.keyword,
                     'volume': kw.volume,
                     'difficulty': kw.difficulty,
-                    'intent': kw.intent,
                 }
                 for kw in keywords
             ],
@@ -111,7 +110,7 @@ class AutoClusterFunction(BaseAIFunction):
         
         # Format keywords
         keywords_text = '\n'.join([
-            f"- {kw['keyword']} (Volume: {kw['volume']}, Difficulty: {kw['difficulty']}, Intent: {kw['intent']})"
+            f"- {kw['keyword']} (Volume: {kw['volume']}, Difficulty: {kw['difficulty']})"
             for kw in keyword_data
         ])