ci: rebalance paid runner gates

scripts/run-gates.ts

@@ -317,14 +317,8 @@ function ciWindowsCompleteGates(): Gate[] {
 function ciWindowsObservationalGates(): Gate[] {
   return [
     ...ciStaticGates(),
-    lintGate(),
+    // Linux owns required lint, coverage, and snapshots; Windows omits those duplicates.
     pnpmScript('duplication', 'duplication'),
-    {
-      ...coverageGate(),
-      env: { DSH_EXAMPLE_MODE: 'lib' },
-      needs: ['build'],
-    },
-    snapshotGate(),
     pnpmScript('publint', 'publint', { needs: ['build'] }),
     pnpmScript('node-next-types', 'verify-node-next-types', {
       label: 'node-next types',