fix(import-markdown): add import-markdown test to EXPECTED_BASELINE

verify-ci-test-manifest.mjs also maintains its own copy of the baseline.
Without this entry, verifyExactOnceCoverage() throws "unexpected manifest
entry" because it validates against EXPECTED_BASELINE, not CI_TEST_MANIFEST.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: jlin53882

scripts/verify-ci-test-manifest.mjs

@@ -21,6 +21,7 @@ const EXPECTED_BASELINE = [
   { group: "core-regression", runner: "node", file: "test/strip-envelope-metadata.test.mjs", args: ["--test"] },
   { group: "cli-smoke", runner: "node", file: "test/cli-smoke.mjs" },
   { group: "cli-smoke", runner: "node", file: "test/functional-e2e.mjs" },
+  { group: "cli-smoke", runner: "node", file: "test/import-markdown/import-markdown.test.mjs" },
   { group: "core-regression", runner: "node", file: "test/retriever-rerank-regression.mjs" },
   { group: "core-regression", runner: "node", file: "test/smart-memory-lifecycle.mjs" },
   { group: "core-regression", runner: "node", file: "test/smart-extractor-branches.mjs" },