diff --git a/magic.py b/magic.py
new file mode 100644
index 0000000..261a6ff
--- /dev/null
+++ b/magic.py
@@ -0,0 +1,23 @@
+"""Stub magic — trilium_py importe ce module pour deviner les types MIME
+lors des uploads de fichiers, fonctionnalité que le MCP n'utilise pas.
+libmagic (bibliothèque C) est absente de DSM et non installable par pip
+sur ARM64. Ce stub satisfait l'import sans la lib native."""
+
+
+def from_buffer(buffer, mime=False):
+    return "application/octet-stream" if mime else "data"
+
+
+def from_file(filename, mime=False):
+    return "application/octet-stream" if mime else "data"
+
+
+class Magic:
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def from_buffer(self, buffer):
+        return "application/octet-stream"
+
+    def from_file(self, filename):
+        return "application/octet-stream"
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..908f774
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,27 @@
+anyio==4.5.2
+beautifulsoup4==4.15.0
+certifi==2026.6.17
+charset-normalizer==3.4.9
+click==8.1.8
+exceptiongroup==1.3.1
+h11==0.16.0
+idna==3.15
+loguru==0.7.3
+markdown2==2.5.1
+minify_html==0.18.1
+natsort==8.4.0
+Pygments==2.19.2
+python-dotenv==1.0.1
+python-multipart==0.0.20
+PyYAML==6.0.3
+requests==2.32.4
+six==1.17.0
+sniffio==1.3.1
+soupsieve==2.7
+starlette==0.44.0
+svgwrite==1.4.3
+trilium-py==0.7.0
+typing_extensions==4.13.2
+urllib3==2.2.3
+uvicorn==0.33.0
+wavedrom==2.0.3.post3
diff --git a/trilium_api.py b/trilium_api.py
index ed5ddcb..3f2a66b 100644
--- a/trilium_api.py
+++ b/trilium_api.py
@@ -2,6 +2,7 @@
 trilium_api.py — Wrapper trilium-py pour TriliumNext 0.95+
 Tous les autres scripts importent depuis ce module uniquement.
 """
+import secrets
 import os
 from typing import Optional
 from dotenv import load_dotenv
@@ -114,7 +115,7 @@ def set_label(note_id: str, name: str, value: str = ""):
     if existants:
         ea.patch_attribute(attributeId=existants[0].get("attributeId"), value=value)
     else:
-        ea.create_attribute(noteId=note_id, type="label",
+        ea.create_attribute(attributeId=secrets.token_hex(6), noteId=note_id, type="label",
                              name=name, value=value, isInheritable=False)
 
 def get_label_value(note_id: str, name: str) -> Optional[str]:
@@ -220,7 +221,7 @@ def add_relation_safe(source_id, nom, cible_id):
         if a.get("type") == "relation" and a.get("name") == nom and a.get("value") == cible_id:
             return (True, "Relation deja presente: %s ~%s %s" % (source_id, nom, cible_id))
     try:
-        _ea().create_attribute(noteId=source_id, type="relation",
+        _ea().create_attribute(attributeId=secrets.token_hex(6), noteId=source_id, type="relation",
                                name=nom, value=cible_id, isInheritable=False)
     except Exception as e:
         return (False, "Echec creation relation: %s" % e)