Add OBC CLI documentation - Standalone broken link checker, orphan/stale detection - Safety levels and diagnostic codes reference - Relationship to compile pipeline
docs: add notebooklm-to-vault to recipe catalogue
docs(wiki): publish v2 deep-dive pages (Rationale, Architecture, Adapter-Spec, Compile-Pipeline, Persona-Design, Security-Model, Recipes, FAQ)
wiki: Obsidian-Native-CLI-Comparison + FAQ + Home cleanup
wiki: Home + Architecture + Design-Rationale
Initial Home page