Obsidian-tc: Default Folder ACL Is Fail-open; .obsidian Plugin Secrets Are Readable By Default

Impact With a default configuration, an undefined "readPaths"/"writePaths" meant allow-all, the "strictReadDefault" flag was inert, and the ".obsidian"/".git"/".trash" control directories were denied only during enumeration — not on the direct request path. A caller could read...