fix(ui): consistent attribute badge colors based on value hash across all views

ui/src/components/ExecutionDiagram/tabs/InfoTab.tsx

@@ -1,4 +1,6 @@
+import { Badge } from '@cameleer/design-system';
 import type { ProcessorNode, ExecutionDetail } from '../types';
+import { attributeBadgeColor } from '../../../utils/attribute-color';
 import styles from '../ExecutionDiagram.module.css';
 
 interface InfoTabProps {
@@ -52,9 +54,7 @@ function Attributes({ attrs }: { attrs: Record<string, string> | undefined }) {
       <div className={styles.attributesLabel}>Attributes</div>
       <div className={styles.attributesList}>
         {entries.map(([k, v]) => (
-          <span key={k} className={styles.attributePill}>
-            {k}: {v}
-          </span>
+          <Badge key={k} label={`${k}: ${v}`} color={attributeBadgeColor(String(v))} />
         ))}
       </div>
     </div>

ui/src/pages/Dashboard/Dashboard.tsx

@@ -13,6 +13,7 @@ import {
   useSearchExecutions,
 } from '../../api/queries/executions'
 import type { ExecutionSummary } from '../../api/types'
+import { attributeBadgeColor } from '../../utils/attribute-color'
 import styles from './Dashboard.module.css'
 
 // Row type extends ExecutionSummary with an `id` field for DataTable
@@ -127,7 +128,7 @@ function buildBaseColumns(): Column<Row>[] {
           <div className={styles.attrCell}>
             {shown.map(([k, v]) => (
               <span key={k} title={k}>
-                <Badge label={String(v)} color="auto" />
+                <Badge label={String(v)} color={attributeBadgeColor(String(v))} />
               </span>
             ))}
             {overflow > 0 && <span className={styles.attrOverflow}>+{overflow}</span>}

ui/src/pages/Exchanges/ExchangeHeader.tsx

@@ -5,6 +5,7 @@ import { StatusDot, MonoText, Badge } from '@cameleer/design-system';
 import { useCorrelationChain } from '../../api/queries/correlation';
 import { useAgents } from '../../api/queries/agents';
 import type { ExecutionDetail } from '../../components/ExecutionDiagram/types';
+import { attributeBadgeColor } from '../../utils/attribute-color';
 import styles from './ExchangeHeader.module.css';
 
 interface ExchangeHeaderProps {
@@ -63,7 +64,7 @@ export function ExchangeHeader({ detail, onCorrelatedSelect }: ExchangeHeaderPro
           <>
             <span className={styles.separator} />
             {attrs.map(([k, v]) => (
-              <Badge key={k} label={`${k}: ${v}`} color="auto" />
+              <Badge key={k} label={`${k}: ${v}`} color={attributeBadgeColor(String(v))} />
             ))}
           </>
         )}

ui/src/utils/attribute-color.ts

@@ -0,0 +1,24 @@
+import type { ReactNode } from 'react';
+
+/**
+ * Deterministic color for attribute badges.
+ * Uses the value (not the key) to compute the color,
+ * ensuring the same value always gets the same color
+ * regardless of where it's displayed.
+ *
+ * Returns a BadgeColor that the design system accepts.
+ */
+const COLORS = ['primary', 'success', 'warning', 'running'] as const;
+type BadgeColor = 'primary' | 'success' | 'warning' | 'error' | 'running' | 'auto';
+
+function hashString(s: string): number {
+  let hash = 0;
+  for (let i = 0; i < s.length; i++) {
+    hash = ((hash << 5) - hash + s.charCodeAt(i)) | 0;
+  }
+  return Math.abs(hash);
+}
+
+export function attributeBadgeColor(value: string): BadgeColor {
+  return COLORS[hashString(value) % COLORS.length];
+}