feat: modules batch paths + masquage manuel + templates de masque

- gui_batch_paths.py : listing documents + construction chemins de sortie batch
- manual_masking.py : masquage manuel piloté par templates YAML
- config/mask_templates/ : template FC19

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

gui_batch_paths.py

@@ -0,0 +1,43 @@
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Iterable
+
+
+def _is_relative_to(path: Path, other: Path) -> bool:
+    try:
+        path.relative_to(other)
+        return True
+    except ValueError:
+        return False
+
+
+def list_supported_documents(root_dir: Path, supported_extensions: Iterable[str]) -> list[Path]:
+    """List supported input documents while ignoring the GUI output subtree."""
+    normalized_exts = {ext.lower() for ext in supported_extensions}
+    output_dir = root_dir / "anonymise"
+    documents: list[Path] = []
+
+    for path in root_dir.rglob("*"):
+        if not path.is_file():
+            continue
+        if _is_relative_to(path, output_dir):
+            continue
+        if path.suffix.lower() not in normalized_exts:
+            continue
+        documents.append(path)
+
+    return sorted(documents)
+
+
+def build_batch_output_dir(root_dir: Path, output_root: Path, source_path: Path) -> Path:
+    """Preserve the source parent path under the batch output directory."""
+    relative_parent = source_path.relative_to(root_dir).parent
+    if relative_parent == Path("."):
+        return output_root
+    return output_root / relative_parent
+
+
+def iter_pseudonymized_texts(output_dir: Path):
+    """Yield anonymized text outputs recursively for post-run checks."""
+    return output_dir.rglob("*.pseudonymise.txt")