Use compatible timers for TURN credential requests

Use compatGlobal and CompatTimeoutHandle for request deadlines. Enforce the community no-global-this rule for integrations and make violations fail quiet lint checks.

eslint.community.config.mjs

@@ -52,6 +52,7 @@ export default defineConfig(
             "obsidianmd/rule-custom-message": "off",
             "no-console": "warn",
             "obsidianmd/no-unsupported-api": "error",
+            // Reject direct globalThis access even when routine checks use --quiet.
             "obsidianmd/no-global-this": "error",
             // Keep legacy type-safety debt visible while reserving errors for directory-review blockers.
             "@typescript-eslint/no-unsafe-argument": "warn",
@@ -64,13 +65,6 @@ export default defineConfig(
             "@typescript-eslint/no-unnecessary-type-assertion": "warn",
         },
     },
-    {
-        files: ["src/integrations/**/*.ts"],
-        rules: {
-            // External-service integrations also run in Node and do not own window UI.
-            "obsidianmd/no-global-this": "off",
-        },
-    },
     {
         files: ["src/apps/**/*.{ts,js,mjs}"],
         rules: {

src/integrations/cloudflare/turnCredentials.ts

@@ -4,6 +4,7 @@ import {
     type CloudflareTurnConfiguration,
     validateCloudflareTurnConfiguration,
 } from "./settings";
+import { compatGlobal, type CompatTimeoutHandle } from "@vrtmrz/livesync-commonlib/compat/common/coreEnvFunctions";
 
 /** Fetch-compatible function supplied by the host composition. */
 export type CloudflareTurnFetch = (input: string | Request, init?: RequestInit) => Promise<Response>;
@@ -283,9 +284,9 @@ export async function acquireCloudflareTurnCredentials(
         requestController.abort();
         throw abortError();
     }
-    let timeoutId: ReturnType<typeof setTimeout> | undefined;
+    let timeoutId: CompatTimeoutHandle | undefined;
     const deadline = new Promise<never>((_resolve, reject) => {
-        timeoutId = globalThis.setTimeout(() => {
+        timeoutId = compatGlobal.setTimeout(() => {
             timedOut = true;
             requestController.abort();
             reject(credentialFailure("unavailable", true));
@@ -293,7 +294,7 @@ export async function acquireCloudflareTurnCredentials(
     });
 
     const cleanup = () => {
-        if (timeoutId !== undefined) globalThis.clearTimeout(timeoutId);
+        if (timeoutId !== undefined) compatGlobal.clearTimeout(timeoutId);
         signal.removeEventListener("abort", onAbort);
     };