diff --git a/docs/testing.md b/docs/testing.md
index 6dddda64b3..ac1a01f84b 100644
--- a/docs/testing.md
+++ b/docs/testing.md
@@ -826,8 +826,12 @@ scripts also select it. Unrelated code edits retain the complete portable suite
 on the pinned Node version without starting four additional compatibility jobs.
 Full qualification retains every SQLite version.
 Shared process/contract/CLI boundaries, dependencies, other packaging inputs,
-unknown paths, and changes to the planner select the full baseline. Package
-script-only edits select their owning verifier when its entrypoint is
+unknown paths, and changes to the planner select the full baseline.
+CI timing collection, timing history, and test-report helper edits retain static
+checks and the complete portable suite without selecting unrelated host/provider
+lanes. Classification, qualification, gate, release receipt, and unknown CI
+scripts keep the broad fallback.
+Package script-only edits select their owning verifier when its entrypoint is
 identifiable; unknown or shared script changes select everything. Android
 build-script edits retain the Linux suite and workflow validation; real Android
 verification stays manual. Renames account for both paths.
diff --git a/scripts/ci/plan.mjs b/scripts/ci/plan.mjs
index 9384d9b052..3c711a1f9c 100644
--- a/scripts/ci/plan.mjs
+++ b/scripts/ci/plan.mjs
@@ -25,6 +25,15 @@ const FIXTURE_SOURCES = [
   "tests/conformance/versions/**",
 ];
 const READINESS_SOURCES = ["tests/conformance/readiness/**"];
+// These reporters affect CI output only; they do not select a host or provider
+// verification lane when changed on their own.
+const PORTABLE_CI_REPORTERS = new Set([
+  "scripts/ci/job-timings.mjs",
+  "scripts/ci/job-timings-batch.mjs",
+  "scripts/ci/test-report.mjs",
+  "scripts/ci/test-timing-reporter.mjs",
+  "scripts/ci/test-history.mjs",
+]);
 const matchesAny = (file, patterns) =>
   patterns.some((pattern) => matchesGlob(file, pattern));
 const selected = Object.fromEntries(flags.map((flag) => [flag, false]));
@@ -200,6 +209,7 @@ if (tier === "reused") {
       }
       if (matchesAny(file, READINESS_SOURCES)) selected.readiness = true;
       if (file.startsWith("tests/")) continue;
+      if (PORTABLE_CI_REPORTERS.has(file)) continue;
       if (
         /^(src\/process\/|src\/filesystem\/|src\/contracts\/tool|src\/server\/createServer|src\/cli\.ts|scripts\/ci\/)/.test(
           file,
diff --git a/tests/boundary/filesystem/ciChangeScope.test.ts b/tests/boundary/filesystem/ciChangeScope.test.ts
index 759f5c367f..714d2f980b 100644
--- a/tests/boundary/filesystem/ciChangeScope.test.ts
+++ b/tests/boundary/filesystem/ciChangeScope.test.ts
@@ -137,6 +137,47 @@ it("keeps every translated root README and authored guide on the documentation l
   });
 });
 
+it.each([
+  "job-timings.mjs",
+  "job-timings-batch.mjs",
+  "test-report.mjs",
+  "test-timing-reporter.mjs",
+  "test-history.mjs",
+])(
+  "keeps portable CI reporter %s on static checks and portable tests",
+  async (name) => {
+    const { directory, base } = await fixture();
+    const head = await change(directory, [`scripts/ci/${name}`]);
+    const plan = await classify(directory, base, head);
+    const { CI_FLAGS } = await loadScopes();
+    expect(plan.code).toBe(true);
+    for (const flag of CI_FLAGS)
+      if (flag !== "code") expect(plan[flag]).toBe(false);
+  },
+);
+
+it("preserves a provider lane when a portable CI reporter changes with provider source", async () => {
+  const { directory, base } = await fixture();
+  const head = await change(directory, [
+    "scripts/ci/test-report.mjs",
+    "src/evm/Example.ts",
+  ]);
+  expect(await classify(directory, base, head)).toMatchObject({
+    code: true,
+    evm: true,
+    browser: false,
+    package: false,
+  });
+});
+
+it("keeps unknown CI scripts on complete qualification", async () => {
+  const { directory, base } = await fixture();
+  const head = await change(directory, ["scripts/ci/new-qualification.mjs"]);
+  const plan = await classify(directory, base, head);
+  const { CI_FLAGS } = await loadScopes();
+  for (const flag of CI_FLAGS) expect(plan[flag]).toBe(true);
+});
+
 it("does not charge a documentation PR for unrelated implementation updates on main", async () => {
   const { directory, base } = await fixture();
   await git(directory, ["switch", "-c", "docs/change"]);