Feat v0.6.0 cluster registry (#36)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

packages/cluster-dashboard/css/main.css

@@ -0,0 +1,100 @@
+.cluster-dashboard {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 2rem 1.5rem;
+}
+
+.cluster-header {
+    display: flex;
+    align-items: center;
+    gap: 1rem;
+    margin-bottom: 1.5rem;
+}
+
+.cluster-header h1 {
+    margin: 0;
+    font-size: 1.5rem;
+    color: var(--text-primary, #111);
+}
+
+.cluster-status {
+    font-size: 0.85rem;
+    color: var(--text-secondary, #666);
+    background: var(--bg-secondary, #f3f4f6);
+    padding: 0.25rem 0.75rem;
+    border-radius: 999px;
+}
+
+.cluster-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+    gap: 1rem;
+}
+
+.cluster-card {
+    background: var(--bg-primary, #fff);
+    border: 1px solid var(--border, #e5e7eb);
+    border-radius: 8px;
+    padding: 1.25rem;
+}
+
+.card-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 0.5rem;
+}
+
+.node-id {
+    font-weight: 600;
+    font-size: 0.9rem;
+    font-family: var(--font-mono, monospace);
+    color: var(--text-primary, #111);
+}
+
+.heartbeat-badge {
+    font-size: 0.75rem;
+    color: var(--text-secondary, #666);
+    background: var(--bg-secondary, #f3f4f6);
+    padding: 0.15rem 0.5rem;
+    border-radius: 4px;
+}
+
+.node-endpoint {
+    font-size: 0.8rem;
+    color: var(--text-secondary, #666);
+    margin-bottom: 0.75rem;
+    font-family: var(--font-mono, monospace);
+}
+
+.card-stats {
+    display: grid;
+    grid-template-columns: 1fr 1fr 1fr;
+    gap: 0.5rem;
+}
+
+.stat {
+    display: flex;
+    flex-direction: column;
+    gap: 0.15rem;
+}
+
+.stat-label {
+    font-size: 0.7rem;
+    text-transform: uppercase;
+    letter-spacing: 0.03em;
+    color: var(--text-secondary, #999);
+}
+
+.stat-value {
+    font-size: 0.9rem;
+    font-weight: 500;
+    font-family: var(--font-mono, monospace);
+    color: var(--text-primary, #111);
+}
+
+.cluster-empty {
+    color: var(--text-secondary, #666);
+    text-align: center;
+    padding: 3rem 1rem;
+}