Initial commit of slide manager plugin

prompt-builder-reference-and-notes.md

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+# Dynamic Query for Our Slider on the Preview Page
+
+I need to dynamically filter and override the Divi 5 Group/Carousel module on the "Slide Preview" page based on our URL parameters, or the filters used from our preview dashboard.
+
+We need to intercept divi's loop query and create our own. The header Currently shows all published slides as intended, so it should be just a matter of finding and replacing the query.
+
+# Task: Please write a PHP filter in class-hssm-frontend.php to intercept the query args.
+
+1. **Identify the Hook:** Look for a filter like divi_query_args, et_pb_blog_query_args, or use pre_get_posts as a fallback. Since this is Divi 5, we need to be careful not to break the visual builder, so ensure !is_admin() or !et_fb_is_enabled() checks are used if we go the pre_get_posts route.
+
+2. **Targeting:** The filter must ONLY apply if:
+   - We are on the Preview Dashboard page.
+   - The $_GET parameters (like hssm_filter) are present in the URL.
+3. **The Logic:**
+   - Sanitize the GET parameter.
+   - Modify the query's tax_query (if filtering by Slide Group) or meta_query (if filtering by Store ID) to match the parameter.
+4. **Implementation:**
+    - Add the code to class-hssm-frontend.php.
+    - If you are unsure of the exact Divi 5 hook, start by creating a standard pre_get_posts function that targets the main query of that specific page ID.