CI: restore main detect-secrets scan (#38438)

* Tests: stabilize detect-secrets fixtures

* Tests: fix rebased detect-secrets false positives

* Docs: keep snippets valid under detect-secrets

* Tests: finalize detect-secrets false-positive fixes

* Tests: reduce detect-secrets false positives

* Tests: keep detect-secrets pragmas inline

* Tests: remediate next detect-secrets batch

* Tests: tighten detect-secrets allowlists

* Tests: stabilize detect-secrets formatter drift

src/cli/program/register.onboard.test.ts

@@ -123,7 +123,7 @@ describe("registerOnboardCommand", () => {
     await runCli(["onboard", "--mistral-api-key", "sk-mistral-test"]);
     expect(onboardCommandMock).toHaveBeenCalledWith(
       expect.objectContaining({
-        mistralApiKey: "sk-mistral-test",
+        mistralApiKey: "sk-mistral-test", // pragma: allowlist secret
       }),
       runtime,
     );