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>

app/utils/config_validator/providers.py

@@ -174,6 +174,21 @@ def get_provider_status() -> dict[str, dict[str, object]]:
         },
     }
 
+    providers["Evernote"] = {
+        "name": "Evernote",
+        "icon": "fa-brands fa-evernote",
+        "configured": bool(getattr(settings, "evernote_auth_token", None)),
+        "enabled": getattr(settings, "evernote_enabled", True),
+        "description": "Create Evernote notes with document metadata and PDF attachments",
+        "details": {
+            "auth_token": mask_sensitive_value(getattr(settings, "evernote_auth_token", None)),
+            "sandbox": getattr(settings, "evernote_sandbox", False),
+            "notebook_guid": getattr(settings, "evernote_notebook_guid", "Not set"),
+            "default_tags": getattr(settings, "evernote_default_tags", "Not set"),
+            "include_metadata": getattr(settings, "evernote_include_metadata", True),
+        },
+    }
+
     # Add FTP configuration to providers
     providers["FTP Storage"] = {
         "name": "FTP Storage",

app/utils/config_validator/validators.py

@@ -145,6 +145,12 @@ def validate_storage_configs() -> dict[str, list[str]]:
         email_issues.append("DEST_EMAIL_DEFAULT_RECIPIENT is not configured")
     issues["email"] = email_issues
 
+    # Validate Evernote
+    evernote_issues = []
+    if not getattr(settings, "evernote_auth_token", None):
+        evernote_issues.append("EVERNOTE_AUTH_TOKEN is not configured")
+    issues["evernote"] = evernote_issues
+
     # Validate S3
     s3_issues = []
     if not getattr(settings, "s3_bucket_name", None):