chore(fmt): apply cargo fmt to recent LSP changes

Pure rustfmt churn — the anchor-match, source-relative resolution,
and config-unwrap commits introduced lines that needed rustfmt
reformatting. CI's `cargo fmt --check` job was blocking on this.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

crates/nuwiki-lsp/src/config.rs

@@ -377,7 +377,13 @@ impl Config {
         // Unwrap { "nuwiki": { ... } } → { ... } so both clients work.
         let inner = value
             .as_object()
-            .and_then(|m| if m.len() == 1 { m.values().next() } else { None })
+            .and_then(|m| {
+                if m.len() == 1 {
+                    m.values().next()
+                } else {
+                    None
+                }
+            })
             .filter(|v| v.is_object())
             .unwrap_or(value);
 

crates/nuwiki-lsp/src/diagnostics.rs

@@ -210,8 +210,7 @@ pub fn classify_link(
 }
 
 fn anchor_resolves_on(page: &crate::index::IndexedPage, anchor: &str) -> bool {
-    page.find_heading_by_anchor(anchor).is_some()
-        || page.tags.iter().any(|t| t.name == anchor)
+    page.find_heading_by_anchor(anchor).is_some() || page.tags.iter().any(|t| t.name == anchor)
 }
 
 /// Same classification as [`classify_link`] but driven from the cached

crates/nuwiki-lsp/src/index.rs

@@ -179,10 +179,7 @@ impl WorkspaceIndex {
         for link in &page.outgoing {
             if let Some(tgt) = &link.target_page {
                 let key = canonical_link_name(tgt, &name, link.is_absolute, ext);
-                self.backlinks
-                    .entry(key)
-                    .or_default()
-                    .push(Backlink {
+                self.backlinks.entry(key).or_default().push(Backlink {
                     source_uri: uri.clone(),
                     source_span: link.span,
                     target_anchor: link.anchor.clone(),

crates/nuwiki-lsp/tests/link_health.rs

@@ -489,7 +489,11 @@ fn wiki_link_resolves_source_relative_first() {
         LinkSeverity::Warning,
         true,
     );
-    assert!(diags.is_empty(), "expected no diagnostics, got: {:?}", diags);
+    assert!(
+        diags.is_empty(),
+        "expected no diagnostics, got: {:?}",
+        diags
+    );
 }
 
 #[test]
@@ -500,10 +504,7 @@ fn wiki_link_falls_back_to_root_relative() {
     let root = "/tmp/srcrel2";
     let idx = build_index(
         root,
-        &[
-            ("index", "[[posts/foo|Foo]]\n"),
-            ("posts/foo", "= Foo =\n"),
-        ],
+        &[("index", "[[posts/foo|Foo]]\n"), ("posts/foo", "= Foo =\n")],
     );
     let src = "[[posts/foo|Foo]]\n";
     let ast = parse(src);