refactor(plugin): extract live config and policy store modules

plugin/policy/store.ts

@@ -0,0 +1,50 @@
+import fs from "node:fs";
+import path from "node:path";
+import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
+import type { ChannelPolicy, DirigentConfig } from "../rules.js";
+
+export type PolicyState = {
+  filePath: string;
+  channelPolicies: Record<string, ChannelPolicy>;
+};
+
+export const policyState: PolicyState = {
+  filePath: "",
+  channelPolicies: {},
+};
+
+export function resolvePoliciesPath(api: OpenClawPluginApi, config: DirigentConfig): string {
+  return api.resolvePath(config.channelPoliciesFile || "~/.openclaw/dirigent-channel-policies.json");
+}
+
+export function ensurePolicyStateLoaded(api: OpenClawPluginApi, config: DirigentConfig): void {
+  if (policyState.filePath) return;
+  const filePath = resolvePoliciesPath(api, config);
+  policyState.filePath = filePath;
+
+  try {
+    if (!fs.existsSync(filePath)) {
+      fs.mkdirSync(path.dirname(filePath), { recursive: true });
+      fs.writeFileSync(filePath, "{}\n", "utf8");
+      policyState.channelPolicies = {};
+      return;
+    }
+
+    const raw = fs.readFileSync(filePath, "utf8");
+    const parsed = JSON.parse(raw) as Record<string, ChannelPolicy>;
+    policyState.channelPolicies = parsed && typeof parsed === "object" ? parsed : {};
+  } catch (err) {
+    api.logger.warn(`dirigent: failed init policy file ${filePath}: ${String(err)}`);
+    policyState.channelPolicies = {};
+  }
+}
+
+export function persistPolicies(api: OpenClawPluginApi): void {
+  if (!policyState.filePath) throw new Error("policy state not initialized");
+  const dir = path.dirname(policyState.filePath);
+  fs.mkdirSync(dir, { recursive: true });
+  const tmp = `${policyState.filePath}.tmp`;
+  fs.writeFileSync(tmp, `${JSON.stringify(policyState.channelPolicies, null, 2)}\n`, "utf8");
+  fs.renameSync(tmp, policyState.filePath);
+  api.logger.info(`dirigent: policy file updated at ${policyState.filePath}`);
+}