feat(javaTest): render full-map route comparison

javaTest/src/main/resources/visualizer/index.html

@@ -114,15 +114,26 @@
             <h2 id="route-title">算法规划路径</h2>
           </div>
           <div class="route-tools">
+            <div class="view-mode" role="group" aria-label="地图视口">
+              <button id="map-fit" type="button" class="view-mode-button is-active">全图</button>
+              <button id="path-fit" type="button" class="view-mode-button">路径</button>
+            </div>
+            <div class="map-actions" role="group" aria-label="地图缩放">
+              <button id="zoom-out" type="button" class="icon-button compact" title="缩小地图" aria-label="缩小地图">−</button>
+              <button id="zoom-in" type="button" class="icon-button compact" title="放大地图" aria-label="放大地图">＋</button>
+              <button id="reset-view" type="button" class="icon-button compact" title="复位为完整地图" aria-label="复位为完整地图">⌂</button>
+            </div>
             <label class="inline-field"><span>楼层</span><select id="floor-select"></select></label>
             <label class="toggle-field"><input id="show-historical" type="checkbox" checked><span>历史参考</span></label>
           </div>
         </div>
         <div class="route-legend" aria-label="路径图例">
+          <span><i class="legend-line map-base"></i>完整地图</span>
           <span><i class="legend-line approach"></i>接近路径</span>
-          <span><i class="legend-line service"></i>A → B 规划</span>
+          <span><i class="legend-line shared"></i>共同路段</span>
+          <span><i class="legend-line planned-only"></i>仅新规划</span>
+          <span><i class="legend-line historical-only"></i>仅历史</span>
           <span><i class="legend-line traversed"></i>已通过</span>
-          <span><i class="legend-line historical"></i>历史参考</span>
           <span><i class="legend-dot hold"></i>HOLD</span>
         </div>
         <div class="route-canvas-wrap">
@@ -133,6 +144,8 @@
               </pattern>
             </defs>
             <rect width="1000" height="560" class="map-background"></rect>
+            <g id="map-cache-layer"></g>
+            <g id="dynamic-route-layer"></g>
           </svg>
           <div id="route-empty" class="empty-state">
             <strong>等待调度结果</strong>
@@ -159,6 +172,8 @@
           <div><dt>完成时间</dt><dd id="evidence-completion">--</dd></div>
           <div><dt>HOLD / 重试</dt><dd id="evidence-hold-retry">--</dd></div>
           <div><dt>PLC 尝试</dt><dd id="evidence-plc">--</dd></div>
+          <div><dt>路径边差</dt><dd id="route-difference">共同 -- / 新增 -- / 历史 --</dd></div>
+          <div><dt>历史无效段</dt><dd id="invalid-history-segments">--</dd></div>
         </dl>
         <div class="path-proof">
           <span>调度中心 plannedPath</span>