fix: update expandSimpleSchema to clarify optional properties handling

- Removed unnecessary pushes to the required array in expandSimpleSchema function.
- Added comments to indicate that all properties are optional by default in simple syntax.

Author: johnlindquist

src/api/params.ts

@@ -37,24 +37,24 @@ function expandSimpleSchema(simple: Record<string, any>): InputSchema {
 
     if (typeof val === 'string') {
       propSchema = { type: 'string', description: val }
-      required.push(key)
+      // In simple syntax, everything is optional by default
     } else if (typeof val === 'number') {
       propSchema = { type: 'number', description: String(val), default: val }
-      required.push(key)
+      // In simple syntax, everything is optional by default
     } else if (typeof val === 'boolean') {
       propSchema = { type: 'boolean', description: '', default: val }
-      required.push(key)
+      // In simple syntax, everything is optional by default
     } else if (Array.isArray(val)) {
       propSchema = { type: 'array', description: '', default: val }
-      required.push(key)
+      // In simple syntax, everything is optional by default
     } else if (typeof val === 'object' && val !== null) {
       // Assume user provided a detailed schema for this property
       propSchema = val
-      required.push(key)
+      // In simple syntax, everything is optional by default
     } else {
       // Fallback to string type
       propSchema = { type: 'string' }
-      required.push(key)
+      // In simple syntax, everything is optional by default
     }
 
     properties[key] = propSchema