Add Container Log Viewer UI with streaming, search, and download

- New container-logs.js module for viewing Docker container logs
- Integrated with existing API endpoints (/logs/containers, /logs/container/:id, /logs/stream/:id)
- Features:
  - Select container from dropdown
  - View logs with stdout/stderr color coding
  - Real-time log streaming via SSE
  - Search/filter within logs
  - Download logs as text file
  - Line count and filter indicators
- Added '📜 Container Logs' button to Tools section in index.html
- Added to features.js bundle via build.js
- Rebuilt dist files

status/index.html

@@ -148,7 +148,8 @@
             <span class="tools-section-label">Tools</span>
           </button>
           <div class="tools-section-items">
-            <button id="view-error-logs" aria-label="View error logs">📋 Logs</button>
+            <button id="view-error-logs" aria-label="View error logs">📋 Error Logs</button>
+            <button id="view-container-logs" aria-label="View container logs">📜 Container Logs</button>
             <button id="manage-notifications" aria-label="Manage notifications">🔔 Alerts</button>
             <button id="audit-log-btn" aria-label="Audit log">📜 Audit</button>
             <button id="docker-resources-btn" aria-label="Docker resources">🐳 Docker</button>