fix(journals): add type='button' to prevent form submission and migrate to V3 Action API for file downloads

src/routes/journals/ae_comp__journal_entry_editor.svelte

@@ -60,8 +60,8 @@
                 {#if $ae_loc.edit_mode && on_force_reset}
                     <div class="pt-4 border-t border-error-500/20">
                         <p class="text-xs mb-2 opacity-70 italic">Passcode lost? You can force a reset to plain text, but all currently encrypted data will be permanently deleted.</p>
-                        <button 
-                            type="button"
+                        <button type="button" 
+                            
                             class="btn btn-sm variant-filled-error font-bold"
                             onclick={on_force_reset}
                         >
@@ -89,8 +89,7 @@
             {/if}
 
             <!-- Floating Save Button -->
-            <button
-                type="button"
+            <button type="button"
                 onclick={on_save}
                 disabled={!has_changed}
                 class="btn btn-sm md:btn-md lg:btn-lg fixed top-72 right-6 min-w-32 variant-filled-success shadow-xl z-20 transition-all"
@@ -100,8 +99,7 @@
             </button>
 
             <!-- Inline Save Button (Mobile/Context) -->
-            <button
-                type="button"
+            <button type="button"
                 onclick={on_save}
                 disabled={!has_changed}
                 class="btn variant-filled-warning w-full max-w-96 mt-4"