refactor(channels): centralize runtime group policy handling

src/line/bot-handlers.ts

@@ -8,7 +8,10 @@ import type {
   PostbackEvent,
 } from "@line/bot-sdk";
 import type { OpenClawConfig } from "../config/config.js";
-import { resolveRuntimeGroupPolicy } from "../config/runtime-group-policy.js";
+import {
+  resolveAllowlistProviderRuntimeGroupPolicy,
+  warnMissingProviderGroupPolicyFallbackOnce,
+} from "../config/runtime-group-policy.js";
 import { danger, logVerbose } from "../globals.js";
 import { resolvePairingIdLabel } from "../pairing/pairing-labels.js";
 import { buildPairingReply } from "../pairing/pairing-messages.js";
@@ -41,8 +44,6 @@ export interface LineHandlerContext {
   processMessage: (ctx: LineInboundContext) => Promise<void>;
 }
 
-let lineGroupPolicyFallbackWarned = false;
-
 function resolveLineGroupConfig(params: {
   config: ResolvedLineAccount["config"];
   groupId?: string;
@@ -136,19 +137,18 @@ async function shouldProcessLineEvent(
     dmPolicy,
   });
   const defaultGroupPolicy = cfg.channels?.defaults?.groupPolicy;
-  const { groupPolicy, providerMissingFallbackApplied } = resolveRuntimeGroupPolicy({
-    providerConfigPresent: cfg.channels?.line !== undefined,
-    groupPolicy: account.config.groupPolicy,
-    defaultGroupPolicy,
-    configuredFallbackPolicy: "allowlist",
-    missingProviderFallbackPolicy: "allowlist",
+  const { groupPolicy, providerMissingFallbackApplied } =
+    resolveAllowlistProviderRuntimeGroupPolicy({
+      providerConfigPresent: cfg.channels?.line !== undefined,
+      groupPolicy: account.config.groupPolicy,
+      defaultGroupPolicy,
+    });
+  warnMissingProviderGroupPolicyFallbackOnce({
+    providerMissingFallbackApplied,
+    providerKey: "line",
+    accountId: account.accountId,
+    log: (message) => logVerbose(message),
   });
-  if (providerMissingFallbackApplied && !lineGroupPolicyFallbackWarned) {
-    lineGroupPolicyFallbackWarned = true;
-    logVerbose(
-      'line: channels.line is missing; defaulting groupPolicy to "allowlist" (group messages blocked until explicitly configured).',
-    );
-  }
 
   if (isGroup) {
     if (groupConfig?.enabled === false) {