From 1ea85a5d0bab4272c8babdb136f2d8c80b22b16b Mon Sep 17 00:00:00 2001
From: Gustavo Madeira Santana <gumadeiras@gmail.com>
Date: Mon, 30 Mar 2026 13:16:21 -0400
Subject: [PATCH] Matrix: remove stale monitor mention regex param

---
 extensions/matrix/src/matrix/monitor/handler.test-helpers.ts | 3 +--
 extensions/matrix/src/matrix/monitor/handler.test.ts         | 4 +++-
 extensions/matrix/src/matrix/monitor/handler.ts              | 2 --
 extensions/matrix/src/matrix/monitor/index.ts                | 2 --
 4 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts b/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
index 5bd3caf40cd..88a8055b437 100644
--- a/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
+++ b/extensions/matrix/src/matrix/monitor/handler.test-helpers.ts
@@ -26,7 +26,7 @@ type MatrixHandlerTestHarnessOptions = {
   roomsConfig?: Record<string, MatrixRoomConfig>;
   accountAllowBots?: boolean | "mentions";
   configuredBotUserIds?: Set<string>;
-  mentionRegexes?: MatrixMonitorHandlerParams["mentionRegexes"];
+  mentionRegexes?: RegExp[];
   groupPolicy?: "open" | "allowlist" | "disabled";
   replyToMode?: ReplyToMode;
   threadReplies?: "off" | "inbound" | "always";
@@ -207,7 +207,6 @@ export function createMatrixHandlerTestHarness(
     roomsConfig: options.roomsConfig,
     accountAllowBots: options.accountAllowBots,
     configuredBotUserIds: options.configuredBotUserIds,
-    mentionRegexes: options.mentionRegexes ?? [],
     groupPolicy: options.groupPolicy ?? "open",
     replyToMode: options.replyToMode ?? "off",
     threadReplies: options.threadReplies ?? "inbound",
diff --git a/extensions/matrix/src/matrix/monitor/handler.test.ts b/extensions/matrix/src/matrix/monitor/handler.test.ts
index 7be3c23ffa8..c30061400b1 100644
--- a/extensions/matrix/src/matrix/monitor/handler.test.ts
+++ b/extensions/matrix/src/matrix/monitor/handler.test.ts
@@ -818,6 +818,9 @@ describe("matrix monitor handler pairing account scope", () => {
               matchedBy: "binding.account",
             }),
           },
+          mentions: {
+            buildMentionRegexes: () => [],
+          },
           session: {
             resolveStorePath: () => "/tmp/session-store",
             readSessionUpdatedAt: () => undefined,
@@ -881,7 +884,6 @@ describe("matrix monitor handler pairing account scope", () => {
       } as never,
       logVerboseMessage: () => {},
       allowFrom: [],
-      mentionRegexes: [],
       groupPolicy: "open",
       replyToMode: "off",
       threadReplies: "inbound",
diff --git a/extensions/matrix/src/matrix/monitor/handler.ts b/extensions/matrix/src/matrix/monitor/handler.ts
index 305d7f0a321..5fd8d97beb8 100644
--- a/extensions/matrix/src/matrix/monitor/handler.ts
+++ b/extensions/matrix/src/matrix/monitor/handler.ts
@@ -66,7 +66,6 @@ export type MatrixMonitorHandlerParams = {
   roomsConfig?: Record<string, MatrixRoomConfig>;
   accountAllowBots?: boolean | "mentions";
   configuredBotUserIds?: ReadonlySet<string>;
-  mentionRegexes: ReturnType<PluginRuntime["channel"]["mentions"]["buildMentionRegexes"]>;
   groupPolicy: "open" | "allowlist" | "disabled";
   replyToMode: ReplyToMode;
   threadReplies: "off" | "inbound" | "always";
@@ -159,7 +158,6 @@ export function createMatrixRoomMessageHandler(params: MatrixMonitorHandlerParam
     roomsConfig,
     accountAllowBots,
     configuredBotUserIds = new Set<string>(),
-    mentionRegexes,
     groupPolicy,
     replyToMode,
     threadReplies,
diff --git a/extensions/matrix/src/matrix/monitor/index.ts b/extensions/matrix/src/matrix/monitor/index.ts
index 9917ac7f309..4352107d3f7 100644
--- a/extensions/matrix/src/matrix/monitor/index.ts
+++ b/extensions/matrix/src/matrix/monitor/index.ts
@@ -164,7 +164,6 @@ export async function monitorMatrixProvider(opts: MonitorMatrixOpts = {}): Promi
     }
   };
 
-  const mentionRegexes = core.channel.mentions.buildMentionRegexes(cfg);
   const defaultGroupPolicy = resolveDefaultGroupPolicy(cfg);
   const { groupPolicy: groupPolicyRaw, providerMissingFallbackApplied } =
     resolveAllowlistProviderRuntimeGroupPolicy({
@@ -225,7 +224,6 @@ export async function monitorMatrixProvider(opts: MonitorMatrixOpts = {}): Promi
     roomsConfig,
     accountAllowBots,
     configuredBotUserIds,
-    mentionRegexes,
     groupPolicy,
     replyToMode,
     threadReplies,