test: non-régression F5 + batch paths + masquage manuel + layouts réels

- test_f5_nom_compose_orphelin.py : 13 tests (regex F5, application, scénario Trackare EJNAINI)
- test_gui_batch_paths.py / test_manual_masking.py : couverture des modules
- test_real_world_identifier_layouts.py : non-régression layouts réels (D-15)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/unit/test_manual_masking.py

@@ -0,0 +1,60 @@
+from pathlib import Path
+
+from manual_masking import (
+    DEFAULT_MASK_OUTPUT_DIRNAME,
+    DEFAULT_MASK_PREVIEW_DIRNAME,
+    append_jsonl_file,
+    ensure_mask_templates_dir,
+    list_mask_templates,
+    mask_templates_dir,
+    mask_template_label,
+    resolve_manual_mask_pdf,
+)
+
+
+def test_mask_templates_dir_is_under_config():
+    base = Path("/tmp/anonymisation")
+    assert mask_templates_dir(base) == base / "config" / "mask_templates"
+
+
+def test_ensure_mask_templates_dir_creates_folder(tmp_path: Path):
+    created = ensure_mask_templates_dir(tmp_path)
+    assert created == tmp_path / "config" / "mask_templates"
+    assert created.is_dir()
+
+
+def test_resolve_manual_mask_pdf_accepts_only_pdf():
+    assert resolve_manual_mask_pdf(Path("/tmp/test.pdf")) == Path("/tmp/test.pdf")
+    assert resolve_manual_mask_pdf(Path("/tmp/test.PDF")) == Path("/tmp/test.PDF")
+    assert resolve_manual_mask_pdf(Path("/tmp/test.docx")) is None
+    assert resolve_manual_mask_pdf(None) is None
+
+
+def test_manual_mask_outputs_follow_project_convention():
+    assert DEFAULT_MASK_OUTPUT_DIRNAME == "anonymise"
+    assert DEFAULT_MASK_PREVIEW_DIRNAME == "anonymise_preview"
+
+
+def test_list_mask_templates_filters_supported_extensions(tmp_path: Path):
+    templates_dir = ensure_mask_templates_dir(tmp_path)
+    kept = templates_dir / "alpha.yml"
+    other = templates_dir / "beta.txt"
+    nested = templates_dir / "nested" / "gamma.json"
+    nested.parent.mkdir(parents=True)
+    kept.write_text("x", encoding="utf-8")
+    other.write_text("x", encoding="utf-8")
+    nested.write_text("x", encoding="utf-8")
+
+    assert list_mask_templates(tmp_path) == [kept, nested]
+    assert mask_template_label(nested, tmp_path) == "nested/gamma.json"
+
+
+def test_append_jsonl_file_appends_non_empty_content(tmp_path: Path):
+    target = tmp_path / "target.jsonl"
+    extra = tmp_path / "extra.jsonl"
+    target.write_text('{"kind":"A"}\n', encoding="utf-8")
+    extra.write_text('{"kind":"B"}\n', encoding="utf-8")
+
+    append_jsonl_file(target, extra)
+
+    assert target.read_text(encoding="utf-8") == '{"kind":"A"}\n{"kind":"B"}\n'