Fix dashboard paths for /dashboard reverse proxy

dashboard/static/dashboard.js

@@ -1,6 +1,6 @@
 /**
  * GridMind-RL Dashboard — Premium Chart.js real-time visualization
- * Polls /api/state every 500ms and updates all charts + KPIs.
+ * Polls /dashboard/api/state every 500ms and updates all charts + KPIs.
  */
 
 'use strict';
@@ -10,7 +10,7 @@ const POLL_MS        = 500;
 const EPISODE_STEPS  = 96;    // 24h × 4 steps/h (15-min)
 const HISTORY_LEN    = EPISODE_STEPS;
 const CURVE_POINTS   = 24;    // hourly downsample (EpisodeSteps/4)
-const API_BASE       = '/api';
+const API_BASE       = '/dashboard/api';
 const TASK_NAMES = {
   1: 'Task 1 — Cost Minimization (Easy)',
   2: 'Task 2 — Temperature Management (Medium)',

dashboard/static/index.html

@@ -1035,7 +1035,7 @@
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/></svg>
         Grade Episode
       </button>
-      <button class="btn" onclick="window.open('/api/replay')">
+      <button class="btn" onclick="window.open('/dashboard/api/replay')">
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
         Export Replay
       </button>
@@ -1047,10 +1047,10 @@
 
 <footer>
   GridMind-RL &nbsp;·&nbsp; OpenEnv-compliant RL environment for industrial demand response &nbsp;·&nbsp;
-  <a href="/api/health" target="_blank">API Health</a> &nbsp;·&nbsp;
-  <a href="/api/metrics" target="_blank">Metrics</a>
+  <a href="/dashboard/api/health" target="_blank">API Health</a> &nbsp;·&nbsp;
+  <a href="/dashboard/api/metrics" target="_blank">Metrics</a>
 </footer>
 
-<script src="/static/dashboard.js"></script>
+<script src="/dashboard/static/dashboard.js"></script>
 </body>
 </html>