diff --git a/config/scripts/terminal-partial-escape-tail-benchmark.mjs b/config/scripts/terminal-partial-escape-tail-benchmark.mjs
index 0337daa4e9d..0ba8e974161 100644
--- a/config/scripts/terminal-partial-escape-tail-benchmark.mjs
+++ b/config/scripts/terminal-partial-escape-tail-benchmark.mjs
@@ -3,15 +3,16 @@
 // baseline with the pre-change shape (unconditional concat + per-code-unit walk). Equivalence is
 // proven over a corpus first, so the reported speedup cannot come from the gate changing the answer.
 import { performance } from 'node:perf_hooks'
-import {
-  advancePartialEscapeTail,
-  extractPartialEscapeTail,
-  MAX_PARTIAL_ESCAPE_TAIL_LENGTH
-} from '../../src/shared/terminal-partial-escape-tail.ts'
+import { createJiti } from 'jiti'
 
 const CHUNK_BYTES = 16 * 1024
 const CHUNKS = 640
 const ROUNDS = 7
+// jiti, not a bare `node` import: type-stripping cannot resolve the extensionless
+// relative imports inside the module graph under test.
+const jiti = createJiti(import.meta.url)
+const { advancePartialEscapeTail, extractPartialEscapeTail, MAX_PARTIAL_ESCAPE_TAIL_LENGTH } =
+  await jiti.import('../../src/shared/terminal-partial-escape-tail.ts')
 
 function baselineAdvance(pendingTail, chunk) {
   const tail = extractPartialEscapeTail(pendingTail + chunk)
diff --git a/config/scripts/worktree-refresh-churn-benchmark.mjs b/config/scripts/worktree-refresh-churn-benchmark.mjs
index 5a165801ded..9e7fdffcf3c 100644
--- a/config/scripts/worktree-refresh-churn-benchmark.mjs
+++ b/config/scripts/worktree-refresh-churn-benchmark.mjs
@@ -1,7 +1,16 @@
 #!/usr/bin/env node
 import { performance } from 'node:perf_hooks'
-import { planWorktreeSortOrderUpdates } from '../../src/shared/worktree/sort-order-update.ts'
-import { reuseEqualCatalogRows } from '../../src/renderer/src/store/slices/worktree-catalog-reconciliation.ts'
+import { createJiti } from 'jiti'
+
+// jiti, not a bare `node` import: type-stripping cannot resolve the extensionless
+// relative imports inside the module graph under test.
+const jiti = createJiti(import.meta.url)
+const { planWorktreeSortOrderUpdates } = await jiti.import(
+  '../../src/shared/worktree/sort-order-update.ts'
+)
+const { reuseEqualCatalogRows } = await jiti.import(
+  '../../src/renderer/src/store/slices/worktree-catalog-reconciliation.ts'
+)
 
 const WORKTREE_COUNT = 655
 const TAB_COUNT = 1_895