fix(journals): resolve decryption UI update and background sync issues

- Cleared 'content_encrypted' from local state upon successful decryption to update UI.
- Modified background sync effect to preserve decrypted content during active sessions.
- Enhanced decryption logging for better diagnostics.

src/lib/ae_journals/ae_journals_decryption.ts

@@ -81,7 +81,7 @@ export async function decrypt_journal_entry(
             }
         }
 
-        console.log('decrypt_journal_entry: SUCCESS');
+        console.log(`decrypt_journal_entry: SUCCESS. Content length: ${decrypted_text.length}. Preview: ${decrypted_text.substring(0, 20)}...`);
         return { 
             success: true, 
             content: decrypted_text,

src/routes/journals/ae_comp__journal_entry_obj_id_view.svelte

@@ -75,9 +75,19 @@
     // 1. Initial Load & Background Sync
     $effect(() => {
         const entry = $lq__journal_entry_obj;
+        const journal = $lq__journal_obj;
         if (entry && (entry.updated_on || entry.created_on)) {
+            // Determine if we are in a decrypted state for this journal
+            const is_decrypted = $journals_sess?.journal_kv[journal?.id]?.journal_passcode_decrypted === true;
+
             // Only sync if saved and not currently processing/editing
             if (save_status === 'saved' && !has_unsaved_changes && !is_processing) {
+                // If the journal is already decrypted, we MUST NOT overwrite the decrypted content with null from DB
+                if (is_decrypted && tmp_entry_obj.content && !entry.content) {
+                    console.log('ae_view: Background sync skipped to preserve decrypted content.');
+                    return;
+                }
+
                 const base = {
                     ...entry,
                     content: entry.content ?? null,
@@ -150,9 +160,19 @@
         }
 
         // SUCCESS
+        console.log(`ae_view: Decryption SUCCESS. Updating state.`);
         tmp_entry_obj.content = result.content;
         tmp_entry_obj.content_md_html = handle_marked(result.content || '');
-        if (orig_entry_obj) orig_entry_obj.content = result.content;
+        
+        // CRITICAL: Clear encrypted fields in local state so UI doesn't think it's still locked
+        tmp_entry_obj.content_encrypted = null;
+        tmp_entry_obj.history_encrypted = null;
+
+        if (orig_entry_obj) {
+            orig_entry_obj.content = result.content;
+            orig_entry_obj.content_encrypted = null;
+            orig_entry_obj.history_encrypted = null;
+        }
 
         if (result.history) {
             tmp_entry_obj.history = result.history;