feat(storage): add Evernote destination (#862)

* feat(storage): add Evernote destination

* style: apply ruff auto-fix

- Auto-formatted code with ruff format
- Applied ruff linting fixes with --fix

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

---------

Co-authored-by: Christian Krakau-Louis <christian@Christians-Mac-mini-7.local>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

tests/test_upload_to_evernote.py

@@ -0,0 +1,113 @@
+import hashlib
+import json
+from types import SimpleNamespace
+from unittest.mock import patch
+
+import pytest
+
+from app.tasks.upload_to_evernote import _build_enml, upload_to_evernote
+
+
+class _FakeTypes:
+    class Data:
+        pass
+
+    class Resource:
+        pass
+
+    class ResourceAttributes:
+        def __init__(self, **kwargs):
+            for key, value in kwargs.items():
+                setattr(self, key, value)
+
+    class Note:
+        pass
+
+
+class _FakeNoteStore:
+    def __init__(self):
+        self.calls = []
+
+    def createNote(self, auth_token, note):
+        self.calls.append((auth_token, note))
+        note.guid = "note-guid-123"
+        return note
+
+
+_fake_note_store = _FakeNoteStore()
+
+
+@pytest.fixture(autouse=True)
+def reset_fake_store():
+    global _fake_note_store
+    _fake_note_store = _FakeNoteStore()
+
+
+def test_build_enml_escapes_metadata():
+    enml = _build_enml({"sender": "A&B <Corp>"}, "abc123", "application/pdf", include_metadata=True)
+
+    assert "A&amp;B &lt;Corp&gt;" in enml
+    assert '<en-media type="application/pdf" hash="abc123"/>' in enml
+
+
+@pytest.mark.unit
+def test_upload_to_evernote_creates_note_with_metadata_and_pdf(tmp_path):
+    pdf_path = tmp_path / "invoice.pdf"
+    pdf_bytes = b"%PDF-1.4 test content"
+    pdf_path.write_bytes(pdf_bytes)
+    pdf_path.with_suffix(".json").write_text(
+        json.dumps(
+            {
+                "title": "Invoice May",
+                "absender": "Example GmbH",
+                "tags": ["invoice", "finance"],
+                "empty": "Unknown",
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    with (
+        patch("app.tasks.upload_to_evernote._get_note_store", return_value=(_fake_note_store, _FakeTypes)),
+        patch("app.tasks.upload_to_evernote.log_task_progress"),
+        patch("app.tasks.upload_to_evernote.settings") as mock_settings,
+    ):
+        mock_settings.evernote_auth_token = "auth-token"
+        mock_settings.evernote_sandbox = True
+        mock_settings.evernote_notebook_guid = "notebook-guid"
+        mock_settings.evernote_default_tags = "docuelevate,archive"
+        mock_settings.evernote_include_metadata = True
+
+        result = upload_to_evernote.apply(args=[str(pdf_path)], kwargs={"file_id": 7}).get()
+
+    created_note = _fake_note_store.calls[0][1]
+    resource = created_note.resources[0]
+
+    assert result["status"] == "Completed"
+    assert result["evernote_note_guid"] == "note-guid-123"
+    assert created_note.title == "Invoice May"
+    assert created_note.notebookGuid == "notebook-guid"
+    assert created_note.tagNames == ["docuelevate", "archive", "invoice", "finance"]
+    assert "Example GmbH" in created_note.content
+    assert "empty" not in created_note.content
+    assert f'hash="{hashlib.md5(pdf_bytes).hexdigest()}"' in created_note.content  # noqa: S324
+    assert resource.mime == "application/pdf"
+    assert resource.attributes.fileName == "invoice.pdf"
+    assert resource.data.body == pdf_bytes
+    assert resource.data.bodyHash == hashlib.md5(pdf_bytes).digest()  # noqa: S324
+
+
+@pytest.mark.unit
+def test_upload_to_evernote_requires_token(tmp_path):
+    pdf_path = tmp_path / "document.pdf"
+    pdf_path.write_bytes(b"%PDF-1.4")
+
+    with (
+        patch("app.tasks.upload_to_evernote.log_task_progress"),
+        patch("app.tasks.upload_to_evernote.settings", SimpleNamespace(evernote_auth_token=None)),
+    ):
+        result = upload_to_evernote.apply(args=[str(pdf_path)])
+
+    assert result.failed()
+    assert isinstance(result.result, ValueError)
+    assert "EVERNOTE_AUTH_TOKEN" in str(result.result)