Web + backend: propagate tag_mode (AND/OR) end-to-end; AND-mode overlap prioritization for creatures and theme spells; headless configs support tag_mode; add Scryfall attribution footer and configs UI indicators; minor polish. (#and-overlap-pass)

code/web/templates/configs/run_result.html

@@ -3,7 +3,7 @@
 <h2>Build from JSON: {{ cfg_name }}</h2>
 <p class="muted" style="max-width: 70ch;">This page shows the results of a non-interactive build from the selected JSON configuration.</p>
 {% if commander %}
-<div class="muted">Commander: <strong data-card-name="{{ commander }}">{{ commander }}</strong></div>
+<div class="muted">Commander: <strong data-card-name="{{ commander }}">{{ commander }}</strong>{% if tag_mode %} · Combine: <code>{{ tag_mode }}</code>{% endif %}</div>
 {% endif %}
 
 <div class="two-col two-col-left-rail">

code/web/templates/configs/view.html

@@ -7,6 +7,7 @@
   <div class="grid" style="display:grid; grid-template-columns: 200px 1fr; gap:6px; max-width: 920px;">
     <div>Commander</div><div>{{ data.commander }}</div>
     <div>Tags</div><div>{{ data.primary_tag }}{% if data.secondary_tag %}, {{ data.secondary_tag }}{% endif %}{% if data.tertiary_tag %}, {{ data.tertiary_tag }}{% endif %}</div>
+  <div>Combine Mode</div><div>{{ (data.tag_mode or data.combine_mode or 'AND') | upper }}</div>
     <div>Bracket</div><div>{{ data.bracket_level }}</div>
   </div>
 </details>