feat(rcon): add audited command history

apps/web/src/lib/rcon-command-history.ts

@@ -0,0 +1,74 @@
+export const RCON_COMMAND_REQUESTED = "games.minecraft.account-manager.rcon.command.requested";
+export const RCON_COMMAND_COMPLETED = "games.minecraft.account-manager.rcon.command.completed";
+
+export type RconHistoryEvent = {
+  id: string;
+  time: Date;
+  correlationId: string | null;
+  data: Record<string, unknown>;
+};
+
+export type RconCommandHistoryRow = {
+  eventId: string;
+  time: Date;
+  command: string;
+  serverId: string;
+  serverName: string;
+  adminEmail: string | null;
+  adminName: string | null;
+  status: "pending" | "succeeded" | "failed";
+  reason: string | null;
+  durationMs: number | null;
+};
+
+type SearchParams = Record<string, string | string[] | undefined>;
+
+function first(value: string | string[] | undefined) {
+  return (Array.isArray(value) ? value[0] : value)?.trim() ?? "";
+}
+
+function text(data: Record<string, unknown>, key: string) {
+  const value = data[key];
+  return typeof value === "string" && value ? value : null;
+}
+
+export function normalizeRconHistoryFilters(query: SearchParams, availableServerIds: string[]) {
+  const requestedServerId = first(query.server);
+  return {
+    command: first(query.command).slice(0, 1024),
+    admin: first(query.admin).slice(0, 320),
+    serverId: availableServerIds.includes(requestedServerId) ? requestedServerId : "",
+  };
+}
+
+export function buildRconCommandHistory(
+  requestedEvents: RconHistoryEvent[],
+  completedEvents: RconHistoryEvent[],
+): RconCommandHistoryRow[] {
+  const completions = new Map(completedEvents
+    .filter((event) => event.correlationId)
+    .map((event) => [event.correlationId, event]));
+
+  return requestedEvents.flatMap((event) => {
+    const command = text(event.data, "command");
+    const serverId = text(event.data, "serverId");
+    const serverName = text(event.data, "name");
+    if (!command || !serverId || !serverName) return [];
+
+    const completed = event.correlationId ? completions.get(event.correlationId) : undefined;
+    const success = completed?.data.success;
+    const duration = completed?.data.durationMs;
+    return [{
+      eventId: event.id,
+      time: event.time,
+      command,
+      serverId,
+      serverName,
+      adminEmail: text(event.data, "adminEmail"),
+      adminName: text(event.data, "adminName"),
+      status: success === true ? "succeeded" as const : success === false ? "failed" as const : "pending" as const,
+      reason: completed ? text(completed.data, "reason") : null,
+      durationMs: typeof duration === "number" && Number.isFinite(duration) ? duration : null,
+    }];
+  });
+}