Remove obsolete migration files and clean up the associated extension activation logic

- remove migrations older than these: [Fragment]

Author: robertpiosik

apps/editor/src/extension.ts

@@ -4,17 +4,6 @@ import { PanelProvider } from './views/panel/backend/panel-provider'
 import { WebSocketManager } from './services/websocket-manager'
 import { ApiManager } from './services/api-manager'
 import {
-  migrate_token_cache_cleanup,
-  migrate_configurations_code_completions_to_code_at_cursor,
-  migrate_instructions_state_cleanup,
-  migrate_checkpoints_title_to_trigger,
-  migrate_model_providers_type,
-  migrate_prune_context_to_find_relevant_files,
-  migrate_merge_configurations,
-  migrate_preset_affix_to_prompt_template,
-  migrate_remove_preset_groups_and_separators,
-  migrate_merge_chat_presets,
-  migrate_chat_presets_to_web_configurations,
   migrate_configurations_to_api_configurations,
   migrate_edit_context_to_edit_files_system_instructions,
   migrate_prompt_templates_suffixes
@@ -60,28 +49,6 @@ export const activate = async (context: vscode.ExtensionContext) => {
   websocket_server_instance = new WebSocketManager(context)
 
   const migrations = async () => {
-    // 12 January 2026
-    await migrate_token_cache_cleanup(context)
-    // 30 January 2026
-    await migrate_configurations_code_completions_to_code_at_cursor(context)
-    // 14 February 2026
-    await migrate_instructions_state_cleanup(context)
-    // 2 March 2026
-    await migrate_checkpoints_title_to_trigger(context)
-    // 5 March 2026
-    await migrate_model_providers_type(context)
-    // 10 March 2026
-    await migrate_prune_context_to_find_relevant_files(context)
-    // 25 March 2026
-    await migrate_merge_configurations(context)
-    // 8 June 2026
-    await migrate_preset_affix_to_prompt_template(context)
-    // 8 June 2026
-    await migrate_remove_preset_groups_and_separators(context)
-    // 9 June 2026
-    await migrate_merge_chat_presets(context)
-    // 11 June 2026
-    await migrate_chat_presets_to_web_configurations(context)
     // 26 June 2026
     await migrate_configurations_to_api_configurations(context)
     // 1 July 2026

apps/editor/src/migrations/index.ts

@@ -1,14 +1,3 @@
-export * from './migrate-token-cache-cleanup'
-export * from './migrate-configurations-code-completions-to-code-at-cursor'
-export * from './migrate-instructions-state-cleanup'
-export * from './migrate-checkpoints-title-to-trigger'
-export * from './migrate-model-providers-type'
-export * from './migrate-prune-context-to-find-relevant-files'
-export * from './migrate-merge-configurations'
-export * from './migrate-preset-affix-to-prompt-template'
-export * from './migrate-remove-preset-groups-and-separators'
-export * from './migrate-merge-chat-presets'
-export * from './migrate-chat-presets-to-web-configurations'
 export * from './migrate-configurations-to-api-configurations'
 export * from './migrate-edit-context-to-edit-files-system-instructions'
 export * from './migrate-prompt-templates-suffixes'