refactor: unify system prompt runtime params

src/agents/system-prompt-params.ts

@@ -0,0 +1,44 @@
+import type { ClawdbotConfig } from "../config/config.js";
+import {
+  formatUserTime,
+  resolveUserTimeFormat,
+  resolveUserTimezone,
+  type ResolvedTimeFormat,
+} from "./date-time.js";
+
+export type RuntimeInfoInput = {
+  agentId?: string;
+  host: string;
+  os: string;
+  arch: string;
+  node: string;
+  model: string;
+  channel?: string;
+  capabilities?: string[];
+};
+
+export type SystemPromptRuntimeParams = {
+  runtimeInfo: RuntimeInfoInput;
+  userTimezone: string;
+  userTime?: string;
+  userTimeFormat?: ResolvedTimeFormat;
+};
+
+export function buildSystemPromptParams(params: {
+  config?: ClawdbotConfig;
+  agentId?: string;
+  runtime: Omit<RuntimeInfoInput, "agentId">;
+}): SystemPromptRuntimeParams {
+  const userTimezone = resolveUserTimezone(params.config?.agents?.defaults?.userTimezone);
+  const userTimeFormat = resolveUserTimeFormat(params.config?.agents?.defaults?.timeFormat);
+  const userTime = formatUserTime(new Date(), userTimezone, userTimeFormat);
+  return {
+    runtimeInfo: {
+      agentId: params.agentId,
+      ...params.runtime,
+    },
+    userTimezone,
+    userTime,
+    userTimeFormat,
+  };
+}