Show AI tools only in edit mode; open existing summary without regenerating

- Hide AI tools panel when entry is not in edit mode
- Clicking AI button when a summary already exists opens it directly
  instead of triggering a new API call; Re-run still available in modal

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/routes/journals/ae_comp__journal_entry_obj_id_view.svelte

@@ -487,13 +487,15 @@ let modal_mode: 'append' | 'prepend' | 'auto' = $state('auto');
                     ] == 'current'
                         ? 'ring-primary-500/40 ring-2 ring-inset'
                         : ''}">
-                    <AE_Comp_Journal_Entry_AiTools
-                        content={typeof tmp_entry_obj.content === 'string'
-                            ? tmp_entry_obj.content
-                            : ''}
-                        bind:summary={tmp_entry_obj.summary}
-                        on_save={() => update_journal_entry()}
-                        {log_lvl} />
+                    {#if $journals_loc.entry.edit_kv[$lq__journal_entry_obj?.journal_entry_id] === 'current'}
+                        <AE_Comp_Journal_Entry_AiTools
+                            content={typeof tmp_entry_obj.content === 'string'
+                                ? tmp_entry_obj.content
+                                : ''}
+                            bind:summary={tmp_entry_obj.summary}
+                            on_save={() => update_journal_entry()}
+                            {log_lvl} />
+                    {/if}
 
                     <AE_Comp_Journal_Entry_Editor
                         entry={$lq__journal_entry_obj}