fix(journals): harden privacy toggle and add effect diagnostics

- Ensured content is decrypted before allowing conversion to plain text.
- Added detailed diagnostic logging to reactive effects to debug loop issues.
- Integrated background sync skip logic to preserve decrypted state.

src/routes/journals/JournalEntry_Header.svelte

@@ -200,16 +200,27 @@ p-2 md:p-3 rounded-lg shadow-md
                     <button
                         type="button"
                         class:hidden={journal?.cfg_json?.hide_btn_private || (entry.private && !$ae_loc.edit_mode)}
-                        onclick={() => {
+                        onclick={async () => {
                             if (!entry.private && entry.content) {
                                 if (confirm('Encrypt and resave this entry?')) {
                                     tmp_entry_obj.private = true;
                                     onSave();
                                 }
                             } else if (entry.private && entry.content_encrypted) {
-                                if (confirm('Decrypt and resave unencrypted?')) {
-                                    tmp_entry_obj.private = false;
-                                    onSave();
+                                // CRITICAL: Ensure we have the decrypted content before we turn OFF privacy
+                                if (!tmp_entry_obj.content) {
+                                    console.log('Header: Content not decrypted. Attempting decryption before toggle.');
+                                    await onDecrypt();
+                                }
+
+                                // Check again after attempted decryption
+                                if (tmp_entry_obj.content) {
+                                    if (confirm('Decrypt and resave as plain text?')) {
+                                        tmp_entry_obj.private = false;
+                                        onSave();
+                                    }
+                                } else {
+                                    alert('Cannot convert to plain text: Entry is not decrypted. Please enter passcode first.');
                                 }
                             }
                         }}