Add datetime system (Rsx_Time/Rsx_Date) and .expect file documentation system

Tighten CLAUDE.dist.md for LLM audience - 15% size reduction
Add Repeater_Simple_Input component for managing lists of simple values
Add Polymorphic_Field_Helper for JSON-encoded polymorphic form fields
Fix incorrect data-sid selector in route-debug help example
Fix Form_Utils to use component.$sid() instead of data-sid selector
Add response helper functions and use _message as reserved metadata key

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

config/rsx.php

@@ -574,4 +574,25 @@ return [
             // 'email' => ['max_workers' => 5],
         ],
     ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Datetime Configuration
+    |--------------------------------------------------------------------------
+    |
+    | Configure date and time handling across the application.
+    | See: php artisan rsx:man time
+    |
+    */
+    'datetime' => [
+        // Default timezone (IANA identifier) when user has no preference
+        // Resolution order: login_users.timezone → this default → 'America/Chicago'
+        'default_timezone' => env('RSX_DEFAULT_TIMEZONE', 'America/Chicago'),
+
+        // Time dropdown interval in minutes (for Schedule_Input component)
+        'time_interval' => 15,
+
+        // Default duration for new events in minutes (for Schedule_Input component)
+        'default_duration' => 60,
+    ],
 ];