fix: topology — reflect VLAN90 Ceph network and DHCP management separation

10G SFP+ ports on USW-Agg are VLAN90 (10.10.90.x/24, static IPs, Ceph storage).
1G ports on Pro 24 PoE are DHCP management. Update topology to show this:
- USW-Agg sublabel shows VLAN90 · 10.10.90.x (cyan)
- Pro 24 PoE sublabel shows DHCP mgmt (cyan)
- Host sublabels changed from "10G+1G" to "VLAN90" for the 10G Agg connection
- 1G management band label updated to "← 1G DHCP mgmt (Pro 24 PoE) →"
- Add .topo-vlan-tag CSS for cyan VLAN annotation on switch nodes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

static/style.css

@@ -366,6 +366,12 @@ a:hover { text-decoration: underline; text-shadow: var(--glow-amber); }
 
 .topo-badge-unknown { color:var(--text-muted); border-color:var(--border); }
 
+.topo-vlan-tag {
+  color: var(--cyan) !important;
+  opacity: .7;
+  font-size: .54em !important;
+}
+
 /* Switch tier: two switches with horizontal connector */
 .topo-switch-tier {
   display: flex;

templates/index.html

@@ -60,6 +60,7 @@
           <span class="topo-icon">⬡</span>
           <span class="topo-label">USW-Agg</span>
           <span class="topo-node-sub">8×10G SFP+ · RU22</span>
+          <span class="topo-node-sub topo-vlan-tag">VLAN90 · 10.10.90.x</span>
         </div>
         <div class="topo-h-link">
           <div class="topo-h-link-line"></div>
@@ -69,6 +70,7 @@
           <span class="topo-icon">⬡</span>
           <span class="topo-label">Pro 24 PoE</span>
           <span class="topo-node-sub">24×1G PoE · RU23</span>
+          <span class="topo-node-sub topo-vlan-tag">DHCP mgmt</span>
         </div>
       </div>
     </div>
@@ -77,9 +79,9 @@
     <div class="topo-host-tier">
       <div class="topo-host-group">
 
-        <!-- 10G primary lines from Agg -->
+        <!-- 10G static VLAN90 lines from Agg (primary / Ceph) -->
         <div class="topo-connectors" style="gap:20px; justify-content:center">
-          <div class="topo-line"></div>
+          <div class="topo-line topo-line-labeled" data-link-label="10G SFP+"></div>
           <div class="topo-line"></div>
           <div class="topo-line"></div>
           <div class="topo-line"></div>
@@ -88,20 +90,21 @@
         </div>
 
         <!-- 1G management lines from PoE (dashed amber) -->
+        <!-- 1G DHCP management band from PoE switch -->
         <div class="topo-mgmt-band">
-          <span class="topo-mgmt-label">1G mgmt (PoE)</span>
+          <span class="topo-mgmt-label">← 1G DHCP mgmt (Pro 24 PoE) →</span>
           <div class="topo-mgmt-line"></div>
         </div>
 
         <div class="topo-row topo-hosts-row">
           {%- set topo_h = snapshot.hosts if snapshot.hosts else {} -%}
           {%- set all_defs = [
-            ('compute-storage-gpu-01', 'csg-01',    'RU4–12 · 10G+1G',    False),
+            ('compute-storage-gpu-01', 'csg-01',    'RU4–12 · VLAN90',    False),
-            ('compute-storage-01',     'cs-01',     'RU14–17 · 10G+1G',   False),
+            ('compute-storage-01',     'cs-01',     'RU14–17 · VLAN90',   False),
-            ('storage-01',             'storage-01','rack · 10G+1G',       False),
+            ('storage-01',             'storage-01','rack · VLAN90',       False),
-            ('monitor-01',             'monitor-01','ZimaBoard · 10G+1G',  False),
+            ('monitor-01',             'monitor-01','ZimaBoard · VLAN90',  False),
-            ('monitor-02',             'monitor-02','ZimaBoard · 10G+1G',  False),
+            ('monitor-02',             'monitor-02','ZimaBoard · VLAN90',  False),
-            ('large1',                 'large1',    'table · 10G+1G',      True),
+            ('large1',                 'large1',    'table · VLAN90',      True),
           ] -%}
           {%- for hname, hlabel, hsub, off_rack in all_defs -%}
           {%- set st = topo_h[hname].status if hname in topo_h else 'unknown' -%}