Method test_skips_if_file_missing

tests/test_compiler.py:951–955

(self, tmp_path)

        assert (summaries / "paper.md").read_text() == original

    def test_skips_if_file_missing(self, tmp_path):
        wiki = tmp_path / "wiki"
        wiki.mkdir()
        # Should not raise
        _backlink_summary(wiki, "nonexistent", ["attention"])

    def test_merges_into_existing_section(self, tmp_path):
        """Second add should merge into existing ## Related Concepts, not duplicate."""