fix(idaa): resolve BB comment IntegrityError and infinite loop

- Explicitly mapped 'post_id' in create_nested_obj_v3 payload.
- Removed redundant background load trigger in view component.
- Stabilized parent-child relationship for V3 API mapping.
- Resolved persistent 400 error during comment creation.

src/routes/idaa/(idaa)/bb/ae_idaa_comp__post_obj_id_view.svelte

@@ -32,24 +32,9 @@
 
     import { untrack } from 'svelte';
 
-    $effect(() => {
-        const post_id = $idaa_slct.post_id;
-        if (post_id && post_id !== untrack(() => $idaa_trig.post_id)) {
-            if (log_lvl) {
-                console.log(`Post ID selected: ${post_id}`);
-            }
-            // Trigger background load only if it's a new ID
-            $idaa_trig.post_id = post_id;
-        }
-    });
-
     $effect(() => {
         if (browser && $lq__post_obj?.post_id) {
             document.body.scrollIntoView();
-
-            // const url = new URL(location);
-            // url.searchParams.set('post_id', $lq__post_obj?.post_id);
-            // history.pushState({}, '', url);
         }
     });