fix: Enhance Kol Variable Rendering and Management

- Updated the regex for placeholder matching to support more flexible key formats.
- Refactored variable storage to allow both ID and key lookups in rendering.
- Improved schema validation to check for duplicate keys and enforce non-empty keys.
- Added new utility functions for variable value lookup and display name generation.
- Enhanced tests to cover new key-based variable scenarios.
- Refactored KolPrompt repository to simplify prompt storage and management, including the removal of obsolete revision handling.
- Introduced new API endpoints for saving, activating, and archiving prompts.
- Added new utility functions for handling Kol placeholders and platform options in the admin web.
- Implemented database migrations to simplify prompt storage structure and ensure data integrity.

packages/shared-types/src/index.ts

@@ -1361,15 +1361,8 @@ export interface UpdateKolPromptRequest {
   sort_order?: number;
 }
 
-export interface KolSaveDraftRequest {
+export interface PublishKolPromptRequest extends UpdateKolPromptRequest {
   content: string;
   schema: KolSchemaJson;
   card_config: Record<string, unknown>;
 }
-
-export interface KolPromptRevision {
-  id: number;
-  prompt_id: number;
-  revision_no: number;
-  created_at: string;
-}