add more details to skill

Author: icecrasher321

.claude/commands/add-block.md

@@ -60,6 +60,8 @@ export const {ServiceName}Block: BlockConfig = {
 
 ## SubBlock Types Reference
 
+**Critical:** Every subblock `id` must be unique within the block. Duplicate IDs cause conflicts even with different conditions.
+
 ### Text Inputs
 ```typescript
 // Single-line input

.claude/commands/add-tools.md

@@ -87,6 +87,8 @@ export const {serviceName}{Action}Tool: ToolConfig<
     }),
     body: (params) => ({
       // Request body - only for POST/PUT/PATCH
+      // Trim ID fields to prevent copy-paste whitespace errors:
+      // userId: params.userId?.trim(),
     }),
   },