test: count the design-draft paid file and defer marathon ids in PR selection pins

The discovered paid-file census grows by one (skill-e2e-office-hours-design-draft).
Full-fallback PR selection defers every non-gate id; the shared-input pins now
expect periodic and marathon ids there.

test/eng-finding-retry-budget.test.ts

@@ -135,7 +135,7 @@ test('live periodic census fits the declared CI wall including setup', () => {
 
 test('registered allocation is deterministic and preserves every discovered file', () => {
   const files = collectPaidTestFiles();
-  expect(files).toHaveLength(104);
+  expect(files).toHaveLength(105);
   expect(files).toContain('test/skill-e2e-ship-skip.test.ts');
   const m = livePlan(files);
   expect(livePlan([...files].reverse())).toEqual(m);

test/pr-shared-input-selection.test.ts

@@ -9,7 +9,8 @@ const sharedInputs = [
 ];
 const skipId = 'ship-skipped-queued-finding';
 const gateIds = Object.keys(E2E_TOUCHFILES).filter(id => E2E_TIERS[id] === 'gate').sort();
-const periodicIds = Object.keys(E2E_TOUCHFILES).filter(id => E2E_TIERS[id] === 'periodic').sort();
+// Periodic and marathon cases are both deferred by the PR gate; only their lanes run them.
+const deferredIds = Object.keys(E2E_TOUCHFILES).filter(id => E2E_TIERS[id] === 'periodic' || E2E_TIERS[id] === 'marathon').sort();
 const judgeIds = Object.keys(LLM_JUDGE_TOUCHFILES).sort();
 
 test.each(sharedInputs)('%s retains the full gate after native dependency registration', file => {
@@ -19,7 +20,7 @@ test.each(sharedInputs)('%s retains the full gate after native dependency regist
   expect(result.coverage?.mode).toBe('full-fallback');
   expect(result.selection.e2e).toEqual(gateIds);
   expect(result.selection.judges).toEqual(judgeIds);
-  expect(result.coverage?.deferred.map(({ id }) => id).sort()).toEqual(periodicIds);
+  expect(result.coverage?.deferred.map(({ id }) => id).sort()).toEqual(deferredIds);
   expect(result.coverage?.reasons).toContain(`Shared runtime/build inputs restore every gate case and judge: ${file}`);
   expect(result.coverage?.needsFullValidation).toBe(false);
 });
@@ -71,6 +72,6 @@ test('cumulative shared, native and prompt edits retain every gate case and judg
   expect(result.coverage?.mode).toBe('full-fallback');
   expect(result.selection.e2e).toEqual(gateIds);
   expect(result.selection.judges).toEqual(judgeIds);
-  expect(result.coverage?.deferred.map(({ id }) => id).sort()).toEqual(periodicIds);
+  expect(result.coverage?.deferred.map(({ id }) => id).sort()).toEqual(deferredIds);
   expect(result.coverage?.needsFullValidation).toBe(false);
 });