refactor: share sender-scoped group policy derivation

extensions/googlechat/src/monitor-access.ts

@@ -7,6 +7,7 @@ import {
   resolveDefaultGroupPolicy,
   resolveDmGroupAccessWithLists,
   resolveMentionGatingWithBypass,
+  resolveSenderScopedGroupPolicy,
   warnMissingProviderGroupPolicyFallbackOnce,
 } from "openclaw/plugin-sdk/googlechat";
 import type { OpenClawConfig } from "openclaw/plugin-sdk/googlechat";
@@ -229,12 +230,10 @@ export async function applyGoogleChatInboundAccessPolicy(params: {
   const dmPolicy = account.config.dm?.policy ?? "pairing";
   const configAllowFrom = (account.config.dm?.allowFrom ?? []).map((v) => String(v));
   const normalizedGroupUsers = groupUsers.map((v) => String(v));
-  const senderGroupPolicy =
-    groupPolicy === "disabled"
-      ? "disabled"
-      : normalizedGroupUsers.length > 0
-        ? "allowlist"
-        : "open";
+  const senderGroupPolicy = resolveSenderScopedGroupPolicy({
+    groupPolicy,
+    groupAllowFrom: normalizedGroupUsers,
+  });
   const shouldComputeAuth = core.channel.commands.shouldComputeCommandAuthorized(rawBody, config);
   const storeAllowFrom =
     !isGroup && dmPolicy !== "allowlist" && (dmPolicy !== "open" || shouldComputeAuth)

extensions/matrix/src/matrix/monitor/access-policy.ts

@@ -3,6 +3,7 @@ import {
   issuePairingChallenge,
   readStoreAllowFromForDmPolicy,
   resolveDmGroupAccessWithLists,
+  resolveSenderScopedGroupPolicy,
 } from "openclaw/plugin-sdk/matrix";
 import {
   normalizeMatrixAllowList,
@@ -32,12 +33,10 @@ export async function resolveMatrixAccessState(params: {
       })
     : [];
   const normalizedGroupAllowFrom = normalizeMatrixAllowList(params.groupAllowFrom);
-  const senderGroupPolicy =
-    params.groupPolicy === "disabled"
-      ? "disabled"
-      : normalizedGroupAllowFrom.length > 0
-        ? "allowlist"
-        : "open";
+  const senderGroupPolicy = resolveSenderScopedGroupPolicy({
+    groupPolicy: params.groupPolicy,
+    groupAllowFrom: normalizedGroupAllowFrom,
+  });
   const access = resolveDmGroupAccessWithLists({
     isGroup: !params.isDirectMessage,
     dmPolicy: params.dmPolicy,

extensions/msteams/src/monitor-handler/message-handler.ts

@@ -7,6 +7,7 @@ import {
   createScopedPairingAccess,
   logInboundDrop,
   evaluateSenderGroupAccessForPolicy,
+  resolveSenderScopedGroupPolicy,
   recordPendingHistoryEntryIfEnabled,
   resolveControlCommandGate,
   resolveDefaultGroupPolicy,
@@ -175,12 +176,10 @@ export function createMSTeamsMessageHandler(deps: MSTeamsMessageHandlerDeps) {
       conversationId,
       channelName,
     });
-    const senderGroupPolicy =
-      groupPolicy === "disabled"
-        ? "disabled"
-        : effectiveGroupAllowFrom.length > 0
-          ? "allowlist"
-          : "open";
+    const senderGroupPolicy = resolveSenderScopedGroupPolicy({
+      groupPolicy,
+      groupAllowFrom: effectiveGroupAllowFrom,
+    });
     const access = resolveDmGroupAccessWithLists({
       isGroup: !isDirectMessage,
       dmPolicy,