add server log

server/utils/bridgeLog.ts

@@ -0,0 +1,44 @@
+export interface BridgeLogEntry {
+  id: number
+  timestamp: number
+  endpoint: string
+  method: string
+  statusCode: number
+  color: string
+  summary: string
+  data?: Record<string, unknown>
+}
+
+const MAX_ENTRIES = 200
+let nextId = 1
+
+const logStore = new Map<string, BridgeLogEntry[]>()
+
+export function logBridgeEvent(
+  token: string,
+  entry: Omit<BridgeLogEntry, 'id' | 'timestamp'>,
+) {
+  let entries = logStore.get(token)
+  if (!entries) {
+    entries = []
+    logStore.set(token, entries)
+  }
+
+  entries.push({
+    ...entry,
+    id: nextId++,
+    timestamp: Date.now(),
+  })
+
+  // Ring buffer: keep only the last MAX_ENTRIES
+  if (entries.length > MAX_ENTRIES) {
+    entries.splice(0, entries.length - MAX_ENTRIES)
+  }
+}
+
+export function getBridgeLog(token: string, since = 0): BridgeLogEntry[] {
+  const entries = logStore.get(token)
+  if (!entries) return []
+  if (since <= 0) return entries.slice()
+  return entries.filter(e => e.id > since)
+}