feat: show YAML name field as title for .yml files in breadcrumb bar

When a .yml file is opened in the raw editor, the breadcrumb bar now
shows the YAML `name` field (e.g., "Active Projects") instead of the
filename. Falls back to filename if no name field is present.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src-tauri/src/vault/mod.rs

@@ -127,7 +127,7 @@ pub fn parse_md_file(path: &Path, git_dates: Option<(u64, u64)>) -> Result<Vault
 }
 
 /// Parse a non-markdown file into a minimal VaultEntry.
-/// Uses filename as title, no frontmatter extraction.
+/// Uses filename as title, except for `.yml` files where the YAML `name` field is used.
 pub(crate) fn parse_non_md_file(
     path: &Path,
     git_dates: Option<(u64, u64)>,
@@ -142,11 +142,12 @@ pub(crate) fn parse_non_md_file(
         None => (fs_modified, fs_created),
     };
     let file_kind = classify_file_kind(path).to_string();
+    let title = extract_yml_name(path).unwrap_or_else(|| filename.clone());
 
     Ok(VaultEntry {
         path: path.to_string_lossy().to_string(),
         filename: filename.clone(),
-        title: filename,
+        title,
         file_kind,
         modified_at,
         created_at,
@@ -155,6 +156,17 @@ pub(crate) fn parse_non_md_file(
     })
 }
 
+/// For `.yml` files, try to extract the `name` field from the YAML content.
+fn extract_yml_name(path: &Path) -> Option<String> {
+    let ext = path.extension()?.to_str()?;
+    if ext != "yml" && ext != "yaml" {
+        return None;
+    }
+    let content = std::fs::read_to_string(path).ok()?;
+    let mapping: serde_yaml::Value = serde_yaml::from_str(&content).ok()?;
+    mapping.get("name")?.as_str().map(|s| s.to_string())
+}
+
 /// Re-read a single file from disk and return a fresh VaultEntry.
 /// Uses filesystem dates (no git lookup) since the file was likely just saved.
 pub fn reload_entry(path: &Path) -> Result<VaultEntry, String> {

src-tauri/src/vault/mod_tests.rs

@@ -1491,6 +1491,36 @@ fn test_list_properties_display_not_in_properties_or_relationships() {
     );
 }
 
+#[test]
+fn test_yml_file_uses_name_field_as_title() {
+    let dir = TempDir::new().unwrap();
+    let yml_content = "name: Active Projects\nicon: rocket\ncolor: blue\n";
+    let yml_path = dir.path().join("active-projects.yml");
+    std::fs::write(&yml_path, yml_content).unwrap();
+    let entry = super::parse_non_md_file(&yml_path, None).unwrap();
+    assert_eq!(entry.title, "Active Projects");
+    assert_eq!(entry.filename, "active-projects.yml");
+}
+
+#[test]
+fn test_yml_file_without_name_falls_back_to_filename() {
+    let dir = TempDir::new().unwrap();
+    let yml_content = "key: value\n";
+    let yml_path = dir.path().join("config.yml");
+    std::fs::write(&yml_path, yml_content).unwrap();
+    let entry = super::parse_non_md_file(&yml_path, None).unwrap();
+    assert_eq!(entry.title, "config.yml");
+}
+
+#[test]
+fn test_non_yml_file_uses_filename_as_title() {
+    let dir = TempDir::new().unwrap();
+    let txt_path = dir.path().join("notes.txt");
+    std::fs::write(&txt_path, "some content").unwrap();
+    let entry = super::parse_non_md_file(&txt_path, None).unwrap();
+    assert_eq!(entry.title, "notes.txt");
+}
+
 // Frontmatter update/delete tests are in frontmatter.rs
 // save_image tests are in vault/image.rs
 // purge_trash tests are in vault/trash.rs