feat(qa): add Mantis Discord status reaction scenario (#76747)

* feat(qa): add Mantis Discord status reaction scenario

* fix(qa): retry Discord rate limits in Mantis runs

* refactor(qa): reuse Discord API retry helper

* fix(qa): import Discord API through package surface

* fix(ci): generate Discord boundary declarations

* fix(ci): keep xai boundary overrides stable

test/vitest/vitest.shared.config.ts

@@ -139,6 +139,10 @@ export const sharedVitestConfig = {
         find: "@openclaw/qa-channel/api.js",
         replacement: path.join(repoRoot, "extensions", "qa-channel", "api.ts"),
       },
+      {
+        find: "@openclaw/discord/api.js",
+        replacement: path.join(repoRoot, "extensions", "discord", "api.ts"),
+      },
       ...sourcePluginSdkSubpaths.map((subpath) => ({
         find: `openclaw/plugin-sdk/${subpath}`,
         replacement: path.join(repoRoot, "src", "plugin-sdk", `${subpath}.ts`),