Render forms from indexed form elements

services/api-server/src/api_server/static/html5/html5.css

@@ -9,6 +9,7 @@
 .setup-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:16px;max-width:1180px;margin:18px auto;padding:0 16px}.setup-workspace{background:#f3f6fb}.setup-card{padding:16px;border-bottom:1px solid var(--line)}.setup-card h1{margin:0;font-size:24px}.setup-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.setup-main{min-height:620px}.settings-form{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;align-items:end;padding:12px 16px;border-bottom:1px solid var(--line);background:#fff}.settings-form label{display:grid;gap:4px;font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase}.settings-form input{height:32px;border:1px solid var(--line);padding:0 8px}.saved{float:right;color:var(--ok);font-weight:900}.setup-actions-panel,.ops-filter{display:flex;gap:8px;flex-wrap:wrap;align-items:end;padding:12px 16px;border-bottom:1px solid var(--line);background:#fbfcfe}.ops-filter input{height:32px;min-width:180px;border:1px solid var(--line);padding:0 8px}.inline-form{display:flex;gap:8px;align-items:end}.inline-form label{display:grid;gap:4px;font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase}.inline-form select{height:32px;min-width:240px;border:1px solid var(--line);background:#fff;padding:0 8px}.rollback-form,.authoring-preview-form{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px;border-bottom:1px solid var(--line);background:#fbfcfe}.rollback-form input,.authoring-preview-form input,.authoring-preview-form textarea{min-width:0;border:1px solid var(--line);padding:0 8px}.rollback-form input,.authoring-preview-form input{height:32px}.authoring-preview-form textarea{grid-column:1/-1;min-height:88px;padding:8px;resize:vertical;font:12px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}.rollback-form button,.authoring-preview-form button{grid-column:1/-1}.setup-summary{display:grid;gap:0}.compact-lead{margin:0;padding:0 16px 16px}.setup-metrics,.ops-summary{display:grid;grid-template-columns:repeat(4,1fr);margin:0;border-top:1px solid var(--line)}.ops-summary{grid-template-columns:repeat(5,1fr);margin:12px 0}.setup-metrics div,.ops-summary div{padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.setup-metrics div:last-child,.ops-summary div:last-child{border-right:0}.setup-metrics dt,.ops-summary dt{font-size:12px;color:var(--muted)}.setup-metrics dd,.ops-summary dd{margin:4px 0 0;font-size:28px;font-weight:900}.status-pill{border:1px solid var(--line);padding:6px 10px;background:#eef6f1;color:var(--ok);font-weight:800}.flush{border-top:1px solid var(--line)}.padded{padding:12px 16px;margin:0}.setup-detail,.history-item,.source-card,.check-item{display:grid;gap:3px;padding:12px 16px;border-bottom:1px solid var(--line)}.setup-detail span,.setup-detail small,.history-item span,.history-item small,.source-card span,.source-card small,.check-item span,.check-item small,.check-head span,.check-head small{color:var(--muted)}.source-list,.history-list,.check-list{display:grid}.check-head{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);background:#fff}.job-log{margin:0;padding:0;list-style:none}.job-log li{padding:8px 16px;border-bottom:1px solid var(--line);color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}
 .form-editor-layout{grid-template-columns:280px minmax(0,1.2fr) minmax(320px,.8fr)}.form-editor-actions{display:flex;gap:8px;flex-wrap:wrap}.tree-item[data-html5-form-selected="true"]{background:#f8fbff;border-left-color:var(--brand)}.form-designer{height:calc(100% - 72px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;background:#f7f9fc}.form-designer-head,.form-designer-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);background:#fff}.form-designer-head strong,.form-designer-head small{display:block}.form-designer-head small{color:var(--muted)}.form-designer-head span{border:1px solid var(--line);background:#eef6f1;color:var(--ok);padding:5px 8px;font-size:12px;font-weight:900}.form-designer-foot{border-top:1px solid var(--line);border-bottom:0}.form-canvas{min-height:0;overflow:auto;padding:18px}.form-window{max-width:720px;min-height:420px;margin:0 auto;border:1px solid var(--line);background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.08)}.form-window-title{height:38px;display:flex;align-items:center;border-bottom:1px solid var(--line);padding:0 12px;font-weight:900;background:#fbfcfe}.form-command-bar{display:flex;gap:6px;flex-wrap:wrap;padding:10px 12px;border-bottom:1px solid var(--line)}.form-command-bar button{height:28px;font-size:12px}.form-fields{display:grid;gap:10px;padding:14px}.form-field{display:grid;grid-template-columns:160px minmax(0,1fr);gap:8px;align-items:center}.form-field span{font-size:12px;font-weight:800;color:var(--muted)}.form-field input{height:30px;border:1px solid var(--line);padding:0 8px;background:#fbfaf7}
 .form-designer-body{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 340px;overflow:hidden}.form-property-panel{min-height:0;overflow:auto;border-left:1px solid var(--line);background:#fff}.property-row{display:grid;grid-template-columns:1fr 132px;gap:8px;padding:12px;border-bottom:1px solid var(--line)}.property-row label,.form-editor-row label{display:grid;gap:4px;font-size:11px;font-weight:900;color:var(--muted);text-transform:uppercase}.property-row input,.property-row select,.form-editor-row input,.form-editor-row select,.form-add-row input,.form-add-row select{height:30px;min-width:0;border:1px solid var(--line);background:#fff;padding:0 8px;color:var(--text);font:13px/1.2 system-ui,-apple-system,Segoe UI,sans-serif;text-transform:none}.form-window{border-color:#b9c1cd;background:#fdfdfd;box-shadow:0 12px 28px rgba(33,43,54,.12)}.form-window-title{justify-content:space-between;height:34px;background:linear-gradient(#f8f9fb,#e9edf3);border-bottom-color:#cbd3df;color:#1f2937}.form-window-title small{font-size:11px;color:#687385;font-weight:800}.form-command-bar{min-height:42px;background:#f4f6f9;border-bottom-color:#ccd4df}.form-command-bar button{height:27px;border-color:#aeb8c6;background:linear-gradient(#fff,#edf1f6);box-shadow:inset 0 1px 0 #fff;color:#1f2937}.form-command-bar button:hover{background:#fff}.form-fields{grid-template-columns:repeat(12,minmax(0,1fr));align-content:start;gap:8px 12px;padding:14px 16px 22px;background:#fbfbfc}.form-field{grid-column:1/-1;grid-template-columns:150px minmax(0,1fr);min-height:32px;padding:4px 6px;border:1px solid transparent}.form-field:hover{border-color:#b9c1cd;background:#fff}.form-field[data-html5-form-width="half"]{grid-column:span 6}.form-field[data-html5-form-width="third"]{grid-column:span 4}.form-field>label{font-size:12px;font-weight:800;color:#4b5563;align-self:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.form-input-control,.form-text-control{width:100%;border:1px solid #aeb8c6;background:#fff;padding:0 7px;color:#17202a;box-shadow:inset 0 1px 2px rgba(15,23,42,.06)}.form-input-control{height:28px}.form-text-control{min-height:64px;resize:none}.form-check-control{display:flex;align-items:center;gap:8px;color:#374151}.form-check-control input{width:16px;height:16px}.form-table-control{border:1px solid #aeb8c6;background:#fff;min-height:108px;overflow:hidden}.form-table-control div{display:grid;grid-template-columns:2fr 1fr 1fr}.form-table-control span{min-height:27px;border-right:1px solid #d7dde6;border-bottom:1px solid #d7dde6;padding:5px 7px;color:#374151;font-size:12px}.form-table-control div:first-child span{background:#eef2f7;font-weight:900}.form-group-control{min-height:44px;border:1px dashed #aeb8c6;background:#f6f8fb;padding:10px;color:#687385;font-weight:800}.form-editor-row{display:grid;gap:7px;padding:10px 12px;border-bottom:1px solid var(--line)}label.form-editor-row{grid-template-columns:88px minmax(0,1fr);align-items:center;text-transform:none}.form-editor-row small{color:var(--muted);font-size:11px}.form-editor-row[data-html5-form-element-editor]{grid-template-columns:1fr 118px 1fr 104px}.form-add-row{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:8px;padding:12px;border-bottom:1px solid var(--line);background:#fbfcfe}.button.primary{background:var(--brand);border-color:var(--brand);color:#fff;margin:12px}.form-designer-foot small{color:var(--muted);font-weight:800}.form-window[data-html5-form-layout="compact"] .form-fields{gap:4px 8px}.form-window[data-html5-form-layout="compact"] .form-field{min-height:28px}.form-window[data-html5-form-layout="columns"] .form-field{grid-column:span 6}.form-window[data-html5-form-layout="columns"] .form-field[data-html5-form-control="table"],.form-window[data-html5-form-layout="columns"] .form-field[data-html5-form-control="group"]{grid-column:1/-1}
+.form-empty-structure{grid-column:1/-1;border:1px dashed #aeb8c6;background:#fff;padding:18px;color:#687385}.form-empty-structure strong,.form-empty-structure span{display:block}.form-empty-structure strong{color:#1f2937}
 @media(max-width:980px){.layout{grid-template-columns:1fr;height:auto}.tree,.inspector{max-height:320px}.editor{min-height:520px}.hero{display:block}.shell{padding:16px}}
 @media(max-width:980px){.form-designer-body{grid-template-columns:1fr}.form-property-panel{border-left:0;border-top:1px solid var(--line)}.form-field[data-html5-form-width="half"],.form-field[data-html5-form-width="third"]{grid-column:1/-1}.form-editor-row[data-html5-form-element-editor]{grid-template-columns:1fr}.property-row{grid-template-columns:1fr}}
 @media(max-width:980px){.setup-layout{grid-template-columns:1fr}.setup-metrics{grid-template-columns:1fr 1fr}.settings-form{grid-template-columns:1fr}}