fix: Use inline styles for I/O metrics to override grid layout

The CSS flexbox rules were being overridden by something (likely Pico CSS).
Using inline styles guarantees the layout works since inline styles have
the highest specificity.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: jsbattig

src/code_indexer/server/web/templates/partials/dashboard_health.html

@@ -119,17 +119,17 @@ <h3>System Resources</h3>
                          style="width: {{ health.system.memory_usage_percent }}%"></div>
                 </div>
             </div>
-            <div class="metric io-metric">
-                <span class="metric-label">Disk (R/W)</span>
-                <span class="metric-value io-value">
+            <div class="metric io-metric" style="display: flex; align-items: center; gap: 0.5rem;">
+                <span class="metric-label" style="flex: 0 0 75px;">Disk (R/W)</span>
+                <span class="metric-value io-value" style="flex: 1; white-space: nowrap;">
                     <span class="io-read" title="Read">{{ "%.1f"|format(health.system.disk_read_kb_s) }}</span>
                     <span class="io-separator">/</span>
                     <span class="io-write" title="Write">{{ "%.1f"|format(health.system.disk_write_kb_s) }} KB/s</span>
                 </span>
             </div>
-            <div class="metric io-metric">
-                <span class="metric-label">Net (Rx/Tx)</span>
-                <span class="metric-value io-value">
+            <div class="metric io-metric" style="display: flex; align-items: center; gap: 0.5rem;">
+                <span class="metric-label" style="flex: 0 0 75px;">Net (Rx/Tx)</span>
+                <span class="metric-value io-value" style="flex: 1; white-space: nowrap;">
                     <span class="io-rx" title="Receive (Rx)">{{ "%.1f"|format(health.system.net_rx_kb_s) }}</span>
                     <span class="io-separator">/</span>
                     <span class="io-tx" title="Transmit (Tx)">{{ "%.1f"|format(health.system.net_tx_kb_s) }} KB/s</span>