Major clean up and improvements to vimwiki compatibility and documentation.

Reviewed-on: #1

crates/nuwiki-lsp/src/diagnostics.rs

@@ -1,6 +1,6 @@
 //! Diagnostic sources beyond parse-time `ErrorNode`s.
 //!
-//! Phase 15 lands the `nuwiki.link` source — broken-link warnings. Walks
+//! The `nuwiki.link` source emits broken-link warnings. Walks
 //! every `WikiLinkNode` in the AST and emits one diagnostic per:
 //!   - `Wiki` target that doesn't resolve to a page in the workspace index,
 //!   - `Wiki`/`AnchorOnly` target with an anchor that matches neither a
@@ -8,7 +8,7 @@
 //!   - `File`/`Local` target whose resolved path doesn't exist on disk.
 //!
 //! Interwiki, Diary, Raw, and external links are not diagnosed —
-//! interwiki resolution is Phase 18's job, diary is Phase 16's, and we
+//! interwiki resolution and diary handling live elsewhere, and we
 //! don't fetch URLs.
 
 use std::path::PathBuf;
@@ -332,8 +332,7 @@ fn resolve_file_path(
     index.root.as_ref().map(|r| r.join(&candidate))
 }
 
-/// `nuwiki.link` diagnostics for a single document. Phase 11 left this as
-/// a stub; Phase 15 fills it in.
+/// `nuwiki.link` diagnostics for a single document.
 pub fn link_health(
     ast: &DocumentNode,
     text: &str,