Add dashboard 3D fleet map, matrix stream overlay, and PWA support.

Integrates React Three Fiber topology view and a live matrix stream modal on the dashboard. Adds vite-plugin-pwa with AetherForge manifest and three.js dependencies.

server/web/src/components/Visual/MatrixStreamOverlay.css

@@ -0,0 +1,43 @@
+.matrix-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  z-index: 9999;
+  background: black;
+  cursor: pointer;
+  overflow: hidden;
+}
+
+.matrix-canvas {
+  display: block;
+}
+
+.matrix-text-overlay {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  text-align: center;
+  pointer-events: none;
+  background: rgba(0, 0, 0, 0.7);
+  padding: 2rem;
+  border: 1px solid #0f0;
+  border-radius: 4px;
+  box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
+}
+
+.matrix-text-overlay h2 {
+  color: #0f0;
+  margin: 0 0 1rem 0;
+  font-family: monospace;
+  font-size: 2rem;
+  text-shadow: 0 0 10px #0f0;
+}
+
+.matrix-close-hint {
+  color: rgba(0, 255, 0, 0.7);
+  font-family: monospace;
+  font-size: 1rem;
+}