docs: update browserless config (#1103)

Author: gildesmarais

src/content/docs/ruby-gem/how-to/handling-dynamic-content.mdx

@@ -20,8 +20,7 @@ request:
   max_requests: 6
   browserless:
     preload:
-      wait_for_network_idle:
-        timeout_ms: 5000
+      wait_after_ms: 5000
 channel:
   url: https://example.com/app
 selectors:
@@ -49,15 +48,14 @@ The `browserless` strategy is necessary when:
 For dynamic sites, rendering once is often not enough. Use `request.browserless.preload` to wait, click, or scroll before the
 HTML snapshot is taken.
 
-### Wait for JavaScript Requests
+### Wait Before Capturing Dynamic Content
 
 ```yaml
 strategy: browserless
 request:
   browserless:
     preload:
-      wait_for_network_idle:
-        timeout_ms: 4000
+      wait_after_ms: 4000
 ```
 
 ### Click "Load More" Buttons
@@ -67,12 +65,11 @@ strategy: browserless
 request:
   browserless:
     preload:
+      wait_after_ms: 3000
       click_selectors:
         - selector: ".load-more"
           max_clicks: 3
-          delay_ms: 250
-          wait_for_network_idle:
-            timeout_ms: 3000
+          wait_after_ms: 250
 ```
 
 ### Scroll Infinite Lists
@@ -84,9 +81,8 @@ request:
     preload:
       scroll_down:
         iterations: 5
-        delay_ms: 200
-        wait_for_network_idle:
-          timeout_ms: 2500
+        wait_after_ms: 200
+      wait_after_ms: 2500
 ```
 
 These preload steps can be combined in a single config when a site needs several interactions before all items appear.

src/content/docs/ruby-gem/reference/strategy.mdx

@@ -69,8 +69,7 @@ request:
   max_requests: 6
   browserless:
     preload:
-      wait_for_network_idle:
-        timeout_ms: 5000
+      wait_after_ms: 5000
 channel:
   url: "https://example.com/app"
 selectors:
@@ -93,22 +92,17 @@ strategy: browserless
 request:
   browserless:
     preload:
-      wait_for_network_idle:
-        timeout_ms: 5000
+      wait_after_ms: 5000
       click_selectors:
         - selector: ".load-more"
           max_clicks: 3
-          delay_ms: 250
-          wait_for_network_idle:
-            timeout_ms: 4000
+          wait_after_ms: 250
       scroll_down:
         iterations: 5
-        delay_ms: 200
-        wait_for_network_idle:
-          timeout_ms: 3000
+        wait_after_ms: 200
 ```
 
-- `wait_for_network_idle`: pauses before and after preload steps
+- `wait_after_ms`: inserts a fixed wait before or after preload steps
 - `click_selectors`: clicks matching elements until they disappear or `max_clicks` is reached
 - `scroll_down`: scrolls until the page height stops growing or `iterations` is reached