feat: 导出 SproutClaw .sproutclaw 配置

包含 extensions、skills、prompts、settings、auth、models、mcp 等配置。
排除 node_modules、npm 缓存、sessions 等运行时数据。

agent/extensions/pi-mcp-adapter/onboarding-state.ts

@@ -0,0 +1,68 @@
+import { existsSync, mkdirSync, readFileSync, writeFileSync, renameSync } from "node:fs";
+import { dirname } from "node:path";
+import { getAgentPath } from "./agent-dir.ts";
+
+export interface McpOnboardingState {
+  version: 1;
+  sharedConfigHintShown: boolean;
+  setupCompleted: boolean;
+  lastDiscoveryFingerprint?: string;
+}
+
+const DEFAULT_STATE: McpOnboardingState = {
+  version: 1,
+  sharedConfigHintShown: false,
+  setupCompleted: false,
+};
+
+export function getOnboardingStatePath(): string {
+  return getAgentPath("mcp-onboarding.json");
+}
+
+export function loadOnboardingState(): McpOnboardingState {
+  const path = getOnboardingStatePath();
+  if (!existsSync(path)) return { ...DEFAULT_STATE };
+
+  try {
+    const raw = JSON.parse(readFileSync(path, "utf-8")) as Partial<McpOnboardingState>;
+    if (!raw || typeof raw !== "object") return { ...DEFAULT_STATE };
+    return {
+      version: 1,
+      sharedConfigHintShown: raw.sharedConfigHintShown === true,
+      setupCompleted: raw.setupCompleted === true,
+      lastDiscoveryFingerprint: typeof raw.lastDiscoveryFingerprint === "string" ? raw.lastDiscoveryFingerprint : undefined,
+    };
+  } catch {
+    return { ...DEFAULT_STATE };
+  }
+}
+
+export function saveOnboardingState(state: McpOnboardingState): void {
+  const path = getOnboardingStatePath();
+  mkdirSync(dirname(path), { recursive: true });
+  const tmpPath = `${path}.${process.pid}.tmp`;
+  writeFileSync(tmpPath, `${JSON.stringify(state, null, 2)}\n`, "utf-8");
+  renameSync(tmpPath, path);
+}
+
+export function updateOnboardingState(updater: (state: McpOnboardingState) => McpOnboardingState): McpOnboardingState {
+  const next = updater(loadOnboardingState());
+  saveOnboardingState(next);
+  return next;
+}
+
+export function markSharedConfigHintShown(fingerprint?: string): McpOnboardingState {
+  return updateOnboardingState((state) => ({
+    ...state,
+    sharedConfigHintShown: true,
+    lastDiscoveryFingerprint: fingerprint ?? state.lastDiscoveryFingerprint,
+  }));
+}
+
+export function markSetupCompleted(fingerprint?: string): McpOnboardingState {
+  return updateOnboardingState((state) => ({
+    ...state,
+    setupCompleted: true,
+    lastDiscoveryFingerprint: fingerprint ?? state.lastDiscoveryFingerprint,
+  }));
+}