Regenerate the frontend SDK

Picks up the message history endpoint.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KkmeRiyeYmVZqJVwuyHq9o

frontend/src/client/schemas.gen.ts

@@ -292,6 +292,23 @@ export const HTTPValidationErrorSchema = {
     title: 'HTTPValidationError'
 } as const;
 
+export const HistoryPointSchema = {
+    properties: {
+        ts: {
+            type: 'number',
+            title: 'Ts'
+        },
+        value: {
+            type: 'number',
+            title: 'Value'
+        }
+    },
+    type: 'object',
+    required: ['ts', 'value'],
+    title: 'HistoryPoint',
+    description: 'One numeric value a message carried, and when.'
+} as const;
+
 export const MessageSchema = {
     properties: {
         message: {
@@ -304,6 +321,34 @@ export const MessageSchema = {
     title: 'Message'
 } as const;
 
+export const MessageHistorySchema = {
+    properties: {
+        message: {
+            type: 'string',
+            title: 'Message'
+        },
+        numeric: {
+            type: 'boolean',
+            title: 'Numeric',
+            default: false
+        },
+        points: {
+            items: {
+                '$ref': '#/components/schemas/HistoryPoint'
+            },
+            type: 'array',
+            title: 'Points'
+        }
+    },
+    type: 'object',
+    required: ['message'],
+    title: 'MessageHistory',
+    description: `A message's recent numeric values, oldest first.
+
+Only numbers are recorded, so \`\`numeric\`\` tells the panel whether an empty
+series means "nothing plottable here" or "nothing has arrived yet".`
+} as const;
+
 export const MessageSpecSchema = {
     properties: {
         name: {