Add TSCM report generation feature

- Add Generate Report button to TSCM sidebar (appears after sweep)
- Implement generateTscmReport() function that creates professional HTML report
- Report includes: executive summary, device tables by risk level,
  indicators, recommendations, and disclaimers
- Track sweep start/end times for duration calculation
- Fix script tag escaping in template literal to prevent parsing issues

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

templates/partials/modes/tscm.html

@@ -75,6 +75,9 @@
                     <button class="stop-btn" id="stopTscmBtn" onclick="stopTscmSweep()" style="display: none;">
                         Stop Sweep
                     </button>
+                    <button class="preset-btn" id="tscmReportBtn" onclick="generateTscmReport()" style="display: none; width: 100%; margin-top: 8px; background: var(--accent-cyan); color: #000; font-weight: 600;">
+                        📄 Generate Report
+                    </button>
 
                     <!-- Futuristic Scanner Progress -->
                     <div id="tscmProgress" class="tscm-scanner-progress" style="display: none;">