feat: update repository names to support special characters in configuration files

Signed-off-by: d9pouces <github@19pouces.net>

tests/test_python.py

@@ -1,3 +1,5 @@
+import tomllib
+
 from id_configurator.config import Configuration
 from id_configurator.context import Context
 from id_configurator.modules.python import PythonModule
@@ -76,6 +78,33 @@ def test_apply_single_repository(tmp_path) -> None:
     assert not (dst / "usr/lib").exists()
 
 
+def test_apply_escapes_non_bmp_characters_as_valid_toml(tmp_path) -> None:
+    data = {
+        "uuid": "12345678-1234-5678-1234-567812345678",
+        "organisation": "InterDiode",
+        "configurations": {
+            "python": {
+                "repositories": [
+                    {"name": "demo 😀", "index-url": "https://example.invalid/simple"}
+                ]
+            }
+        },
+    }
+    config = Configuration.model_validate(data)
+    dst = tmp_path / "dst"
+    context = Context(config=config, dst=dst, src=None)
+
+    PythonModule().apply(context)
+
+    uv_toml = (dst / "etc/uv/uv.toml").read_text(encoding="utf-8")
+    # json.dumps's default ensure_ascii=True would encode the emoji as a
+    # UTF-16 surrogate pair (😀), which is valid JSON but not
+    # valid TOML (TOML's \uXXXX must be a Unicode scalar value on its own).
+    assert '"demo 😀"' in uv_toml
+    parsed = tomllib.loads(uv_toml)
+    assert parsed["index"][0]["name"] == "demo 😀"
+
+
 def test_apply_adds_trusted_host_for_non_https_repository(tmp_path) -> None:
     data = {
         "uuid": "12345678-1234-5678-1234-567812345678",