Framework updates

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

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

app/RSpade/Core/Js/Rsx.js

@@ -222,6 +222,16 @@ class Rsx {
         return !window.rsxapp.debug;
     }
 
+    // Returns true when running inside the SSR Node server
+    static is_ssr() {
+        return !!window.__SSR__;
+    }
+
+    // Returns true in the browser when hydrating an SSR-rendered page
+    static is_ssr_hydrate() {
+        return !!(window.rsxapp && window.rsxapp.page_data && window.rsxapp.page_data.ssr);
+    }
+
     /**
      * Get the current logged-in user model instance
      * Returns the hydrated ORM model if available, or the raw data object
@@ -717,24 +727,27 @@ class Rsx {
             Rsx.trigger(phase.event);
         }
 
-        // Ui refresh callbacks
-        Rsx.trigger_refresh();
-
         // All phases complete
         console_debug('RSX_INIT', 'Initialization complete');
 
-        // TODO: Find a good wait to wait for all jqhtml components to load, then trigger on_ready and on('ready') emulating the top level last syntax that jqhtml components operateas, but as a standard js class (such as a page class).  The biggest question is, how do we efficiently choose only the top level jqhtml components.  do we only consider components cretaed directly on blade templates? that seams reasonable...
+        // Skip browser-only post-boot steps in SSR
+        if (!Rsx.is_ssr()) {
+            // Ui refresh callbacks
+            Rsx.trigger_refresh();
 
-        // Trigger _debug_ready event - this is ONLY for tooling like rsx:debug
-        // DO NOT use this in application code - use on_app_ready() phase instead
-        // This event exists solely for debugging tools that need to run after full initialization
-        Rsx.trigger('_debug_ready');
+            // TODO: Find a good wait to wait for all jqhtml components to load, then trigger on_ready and on('ready') emulating the top level last syntax that jqhtml components operateas, but as a standard js class (such as a page class).  The biggest question is, how do we efficiently choose only the top level jqhtml components.  do we only consider components cretaed directly on blade templates? that seams reasonable...
 
-        // Restore scroll position on page refresh
-        // Use requestAnimationFrame to ensure DOM is fully rendered after SPA action completes
-        requestAnimationFrame(() => {
-            Rsx._restore_scroll_on_refresh();
-        });
+            // Trigger _debug_ready event - this is ONLY for tooling like rsx:debug
+            // DO NOT use this in application code - use on_app_ready() phase instead
+            // This event exists solely for debugging tools that need to run after full initialization
+            Rsx.trigger('_debug_ready');
+
+            // Restore scroll position on page refresh
+            // Use requestAnimationFrame to ensure DOM is fully rendered after SPA action completes
+            requestAnimationFrame(() => {
+                Rsx._restore_scroll_on_refresh();
+            });
+        }
     }
 
     /**

app/RSpade/Core/Js/Rsx_Behaviors.js

@@ -13,6 +13,7 @@
  */
 class Rsx_Behaviors {
     static _on_framework_core_init() {
+        if (Rsx.is_ssr()) return;
         Rsx_Behaviors._init_ignore_invalid_anchor_links();
         Rsx_Behaviors._trim_copied_text();
     }

app/RSpade/Core/Js/Rsx_Droppable.js

@@ -20,6 +20,7 @@
  */
 class Rsx_Droppable {
     static _on_framework_core_init() {
+        if (Rsx.is_ssr()) return;
         Rsx_Droppable._init();
     }
 

app/RSpade/Core/Js/Rsx_Init.js

@@ -7,6 +7,7 @@ class Rsx_Init {
      * Initializes the core environment and runs basic sanity checks
      */
     static _on_framework_core_init() {
+        if (Rsx.is_ssr()) return;
         if (!Rsx.is_prod()) {
             Rsx_Init.__environment_checks();
         }

app/RSpade/Core/Js/Rsx_View_Transitions.js

@@ -12,6 +12,8 @@ class Rsx_View_Transitions {
      * Checks for View Transitions API support and enables if available
      */
     static _on_framework_core_init() {
+        if (Rsx.is_ssr()) return;
+
         // Check if View Transitions API is supported
         if (!document.startViewTransition) {
             console_debug('VIEW_TRANSITIONS', 'View Transitions API not supported, skipping');

app/RSpade/Core/Js/Width_Group.js

@@ -92,6 +92,8 @@ class Width_Group {
      * Initialize jQuery extensions
      */
     static _on_framework_core_define() {
+        if (Rsx.is_ssr()) return;
+
         /**
          * Add elements to a named width group
          * @param {string} group_name - Name of the width group