feat(properties): prepare property commands before execution

- Create missing note files before running property:set.
- Default date-only datetime values to midnight.
- Keep property names out of path authorization checks.
- Split policy, vault, daily note, and command target helpers.
- Split n8n node args, description, output, and API response helpers.
- Split API tests by auth, command, daily note, and property behavior.
- Bump API and n8n node versions.

packages/n8n-nodes-obsidian-api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "n8n-nodes-obsidian-cli-api",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "n8n community nodes for the Obsidian API Docker service backed by the official Obsidian CLI.",
   "license": "MIT",
   "homepage": "https://git.yiprawr.dev/Docker/obsidian-api",