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.

frontend/src/config/snippets/columns.snippets.ts

@@ -41,9 +41,9 @@ export const difficultyColumn = {
   width: '120px',
 };
 
-export const intentColumn = {
-  key: 'intent',
-  label: 'Intent',
+export const countryColumn = {
+  key: 'country',
+  label: 'Country',
   sortable: true,
   badge: true,
   width: '120px',

frontend/src/config/snippets/filters.snippets.ts

@@ -15,16 +15,19 @@ export const statusFilter = {
   ],
 };
 
-export const intentFilter = {
-  key: 'intent',
-  label: 'Intent',
+export const countryFilter = {
+  key: 'country',
+  label: 'Country',
   type: 'select',
   options: [
-    { value: '', label: 'All Intent' },
-    { value: 'informational', label: 'Informational' },
-    { value: 'transactional', label: 'Transactional' },
-    { value: 'navigational', label: 'Navigational' },
-    { value: 'commercial', label: 'Commercial' },
+    { value: '', label: 'All Countries' },
+    { value: 'US', label: 'United States' },
+    { value: 'CA', label: 'Canada' },
+    { value: 'GB', label: 'United Kingdom' },
+    { value: 'AE', label: 'United Arab Emirates' },
+    { value: 'AU', label: 'Australia' },
+    { value: 'IN', label: 'India' },
+    { value: 'PK', label: 'Pakistan' },
   ],
 };