Major clean up and improvements to vimwiki compatibility and documentation.

Reviewed-on: #1

crates/nuwiki-lsp/tests/navigation.rs

@@ -1,7 +1,7 @@
-//! Tests for the Phase 8 navigation pieces: WorkspaceIndex queries,
+//! Tests for the navigation pieces: WorkspaceIndex queries,
 //! page-name derivation, anchor slugify, position lookup, and link
 //! resolution. The async LSP handlers are exercised through these
-//! helpers; end-to-end JSON-RPC drive lives in a follow-up phase.
+//! helpers; end-to-end JSON-RPC drive lives elsewhere.
 
 use std::path::PathBuf;