feat(admin): hide unused mod fields

3 files changed, 94 insertions, 5 deletions

diff --git a/internal/admin/static/cardeditor.js b/internal/admin/static/cardeditor.js
index 83eed2e..b29b814 100644
--- a/internal/admin/static/cardeditor.js
+++ b/internal/admin/static/cardeditor.js
@@ -130,6 +130,41 @@ function ced_addKVSearchRow(cardID, subKey, entity) {
   ced_setupSearchFields(row);
 }
 
+function ced_renderKVSelect(sec, il, data, getter) {
+  var sectionRoot = data[ced_cardPath(sec)] || data;
+  var map = getter ? getter(sectionRoot, il) : (sectionRoot[il.key] || {});
+  var options = il.options || [];
+  var h = '<div class="obj-inline-group">';
+  h += '<span class="obj-inline-label">' + esc(il.label) + '</span>';
+  h += '<div class="obj-kv-list" data-sec="' + sec.id + '" data-key="' + il.key + '" data-options="' + escAttr(JSON.stringify(options)) + '">';
+  Object.keys(map).forEach(function(k, idx) {
+    h += '<div class="obj-kv-row">';
+    h += '<select class="obj-kv-key" style="flex:1">';
+    options.forEach(function(opt) {
+      h += '<option value="' + escAttr(opt) + '"' + (k === opt ? ' selected' : '') + '>' + esc(opt) + '</option>';
+    });
+    h += '</select>';
+    h += '<input value="' + escAttr(String(map[k])) + '" placeholder="qty" class="obj-kv-val">';
+    h += '<button class="btn btn-sm btn-danger" onclick="this.parentElement.remove()">X</button></div>';
+  });
+  h += '</div>';
+  h += '<button class="btn btn-sm obj-sub-add" onclick="ced_addKVSelectRow(\'' + sec.id + '\',\'' + il.key + '\')">+ Add</button>';
+  h += '</div>';
+  return h;
+}
+
+function ced_addKVSelectRow(cardID, subKey) {
+  var el = document.querySelector('.obj-kv-list[data-sec="' + cardID + '"][data-key="' + subKey + '"]');
+  if (!el) return;
+  var opts = [];
+  try { opts = JSON.parse(el.getAttribute('data-options') || '[]'); } catch(e) {}
+  var optsHTML = opts.map(function(opt) { return '<option value="' + escAttr(String(opt)) + '">' + esc(String(opt)) + '</option>'; }).join('');
+  var row = document.createElement('div');
+  row.className = 'obj-kv-row';
+  row.innerHTML = '<select class="obj-kv-key" style="flex:1">' + optsHTML + '</select><input value="" placeholder="qty" class="obj-kv-val"><button class="btn btn-sm btn-danger" onclick="this.parentElement.remove()">X</button>';
+  el.appendChild(row);
+}
+
 // ---- Search autocomplete ----
 
 function ced_setupSearchFields(root) {
diff --git a/internal/admin/static/moduleeditor.js b/internal/admin/static/moduleeditor.js
index ff9d8a4..cbdc1c0 100644
--- a/internal/admin/static/moduleeditor.js
+++ b/internal/admin/static/moduleeditor.js
@@ -3,6 +3,7 @@ var moduleID = null;
 var expandedCards = {};
 var addedSections = {};
 var cardWidths = {};
+window._modFieldVis = {};
 
 var MODULE_SECTIONS = [
   {
@@ -17,7 +18,7 @@ var MODULE_SECTIONS = [
       ['destination', 'Destination', 'number', '5', 'narrow'],
     ],
     inline: [
-      {label:'Junk Cost', key:'junk_cost', type:'kv_search', searchEntity:'items', valType:'number'},
+      {label:'Junk Cost', key:'junk_cost', type:'kv_select', options: ['biojunk','bloodjunk','chaosjunk','cosmicjunk','deathjunk','ecojunk','hydrojunk','lawjunk','naturejunk','scrap','solarjunk']},
     ]
   },
   {
@@ -137,17 +138,50 @@ function renderCard(sec, data) {
     h += renderArraySection(sec, data);
   } else {
     h += '<div class="obj-card-grid">';
-    sec.fields.forEach(function(f) {
-      h += renderField(sec, f, data, -1);
-    });
+    if (sec.id === 'core') {
+      var catVal = data.category || '';
+      var isCombat = catVal === 'combat';
+      var isTransport = catVal === 'transport';
+      h += renderField(sec, sec.fields[0], data, -1); // name
+      h += renderField(sec, sec.fields[1], data, -1); // level
+      if (isCombat) {
+        h += renderField(sec, sec.fields[2], data, -1); // max_hit
+      }
+      h += renderField(sec, sec.fields[3], data, -1); // base_xp
+      h += renderField(sec, sec.fields[4], data, -1); // category
+      if (isCombat) {
+        window._modFieldVis = window._modFieldVis || {};
+        var vis = window._modFieldVis;
+        var elemVal = data.element || '';
+        var showElem = vis.element || (elemVal !== '');
+        var efid = fieldID(sec, 'element', -1);
+        h += '<span id="mod_elem" style="display:' + (showElem ? 'flex' : 'none') + ';gap:4px;align-items:center">';
+        h += renderField(sec, sec.fields[5], data, -1);
+        h += '<button class="btn btn-sm btn-danger" style="padding:2px 6px;font-size:10px;min-width:auto" onclick="hideModField(\'element\')">X</button>';
+        h += '</span>';
+      }
+      if (isTransport) {
+        h += renderField(sec, sec.fields[6], data, -1); // destination
+      }
+    } else {
+      sec.fields.forEach(function(f) {
+        h += renderField(sec, f, data, -1);
+      });
+    }
     h += '</div>';
 
+    if (sec.id === 'core' && typeof isCombat !== 'undefined' && isCombat) {
+      h += '<button class="btn btn-sm" id="mod_elem_btn" style="background:var(--accent);color:var(--text);border:1px solid #1a5a8e;' + (showElem ? 'display:none' : '') + '" onclick="showModField(\'element\')">+ Add Element</button> ';
+    }
+
     if (sec.inline) {
       sec.inline.forEach(function(il) {
         if (il.type === 'kv') {
           h += ced_renderKV(sec, il, data);
         } else if (il.type === 'kv_search') {
           h += ced_renderKVSearch(sec, il, data);
+        } else if (il.type === 'kv_select') {
+          h += ced_renderKVSelect(sec, il, data);
         }
       });
     }
@@ -183,6 +217,22 @@ function toggleCardWidth(id) {
   renderCurrent();
 }
 
+function showModField(key) {
+  window._modFieldVis = window._modFieldVis || {};
+  window._modFieldVis[key] = true;
+  renderCurrent();
+}
+
+function hideModField(key) {
+  window._modFieldVis = window._modFieldVis || {};
+  window._modFieldVis[key] = false;
+  ced_syncDOMToData(moduleData);
+  if (key === 'element') {
+    moduleData.element = '';
+  }
+  renderModuleEditor(moduleID, moduleData);
+}
+
 function removeSection(id) {
   var sec = MODULE_SECTIONS.find(function(s) { return s.id === id; });
   if (!sec) return;
@@ -272,7 +322,7 @@ function saveModule() {
 
     if (sec.inline) {
       sec.inline.forEach(function(il) {
-        if (il.type === 'kv' || il.type === 'kv_search') {
+        if (il.type === 'kv' || il.type === 'kv_search' || il.type === 'kv_select') {
           var kvEl = document.querySelector('.obj-kv-list[data-sec="' + sec.id + '"][data-key="' + il.key + '"]');
           if (kvEl) {
             var map = {};
diff --git a/internal/admin/yaml_util.go b/internal/admin/yaml_util.go
index b869ffe..2d838ad 100644
--- a/internal/admin/yaml_util.go
+++ b/internal/admin/yaml_util.go
@@ -34,6 +34,10 @@ func writeYAMLFile(path string, data any) ([]byte, error) {
 
 func findYAMLFileInSubdirs(dataDir, subdir, id string) ([]byte, string, error) {
 	base := filepath.Join(dataDir, subdir)
+	rootPath := filepath.Join(base, id+".yaml")
+	if data, err := os.ReadFile(rootPath); err == nil {
+		return data, rootPath, nil
+	}
 	entries, err := os.ReadDir(base)
 	if err != nil {
 		return nil, "", err