diff --git a/src-tauri/src/ai.rs b/src-tauri/src/ai.rs
index c4d2ec4..e60d7dc 100644
--- a/src-tauri/src/ai.rs
+++ b/src-tauri/src/ai.rs
@@ -8,6 +8,7 @@ const ANTHROPIC_API_URL: &str = "https://api.anthropic.com/v1/messages";
 const OPENAI_API_URL: &str = "https://api.openai.com/v1/chat/completions";
 const OLLAMA_DEFAULT_URL: &str = "http://localhost:11434";
 
+#[allow(clippy::too_many_arguments)]
 pub fn ai_request(
     app: AppHandle,
     provider: String,
diff --git a/src-tauri/src/backup.rs b/src-tauri/src/backup.rs
index 3b364c9..93ef7e2 100644
--- a/src-tauri/src/backup.rs
+++ b/src-tauri/src/backup.rs
@@ -134,7 +134,7 @@ pub fn list_backups(backup_dir: &Path) -> Result<Vec<BackupEntry>, String> {
         let entry = entry.map_err(|e| e.to_string())?;
         let path = entry.path();
 
-        if path.extension().map_or(false, |ext| ext == "zip") {
+        if path.extension().is_some_and(|ext| ext == "zip") {
             let filename = path
                 .file_name()
                 .unwrap_or_default()
diff --git a/src-tauri/src/commands.rs b/src-tauri/src/commands.rs
index 96bb019..f7184ea 100644
--- a/src-tauri/src/commands.rs
+++ b/src-tauri/src/commands.rs
@@ -391,10 +391,12 @@ mod custom_theme_reference_tests {
 
     #[test]
     fn deleting_custom_theme_resets_system_pair_references() {
-        let mut config = AppConfig::default();
-        config.theme = "custom-work".to_string();
-        config.system_light_theme = "custom-work".to_string();
-        config.system_dark_theme = "custom-work".to_string();
+        let mut config = AppConfig {
+            theme: "custom-work".to_string(),
+            system_light_theme: "custom-work".to_string(),
+            system_dark_theme: "custom-work".to_string(),
+            ..Default::default()
+        };
 
         clear_custom_theme_references(&mut config, "custom-work");
 
@@ -982,8 +984,8 @@ fn extract_title_fast(raw: &str) -> Option<String> {
     let frontmatter = &after_open[..end];
     for line in frontmatter.lines() {
         let line = line.trim();
-        if line.starts_with("title:") {
-            let val = line[6..].trim();
+        if let Some(title) = line.strip_prefix("title:") {
+            let val = title.trim();
             // Strip surrounding quotes
             if (val.starts_with('"') && val.ends_with('"')) || (val.starts_with('\'') && val.ends_with('\'')) {
                 return Some(val[1..val.len()-1].to_string());
@@ -1479,6 +1481,7 @@ pub fn set_notebook_icon(
 // ── General Settings ──
 
 #[tauri::command]
+#[allow(clippy::too_many_arguments)]
 pub fn set_general_settings(
     state: State<'_, AppState>,
     compact_notes: bool,
@@ -2044,6 +2047,7 @@ pub fn get_note_version_content(
 // ── AI ──
 
 #[tauri::command]
+#[allow(clippy::too_many_arguments)]
 pub fn set_ai_settings(
     state: State<'_, AppState>,
     provider: Option<String>,
@@ -2162,23 +2166,24 @@ mod vault_identity_tests {
 
     #[test]
     fn bookmark_identity_disambiguates_vaults_with_the_same_path() {
-        let mut config = AppConfig::default();
-        config.active_vault = Some("/same/path".to_string());
-        config.vaults = vec![
-            VaultConfig {
-                path: "/same/path".to_string(),
-                name: "Local".to_string(),
-                ..Default::default()
-            },
-            VaultConfig {
-                path: "/same/path".to_string(),
-                name: "Files".to_string(),
-                bookmark_id: Some("bookmark".to_string()),
-                ..Default::default()
-            },
-        ];
-
-        config.active_bookmark_id = Some("bookmark".to_string());
+        let mut config = AppConfig {
+            active_vault: Some("/same/path".to_string()),
+            vaults: vec![
+                VaultConfig {
+                    path: "/same/path".to_string(),
+                    name: "Local".to_string(),
+                    ..Default::default()
+                },
+                VaultConfig {
+                    path: "/same/path".to_string(),
+                    name: "Files".to_string(),
+                    bookmark_id: Some("bookmark".to_string()),
+                    ..Default::default()
+                },
+            ],
+            active_bookmark_id: Some("bookmark".to_string()),
+            ..Default::default()
+        };
         assert_eq!(active_vault_config(&config).unwrap().name, "Files");
 
         config.active_bookmark_id = None;
@@ -2204,6 +2209,7 @@ fn sync_config_from(config: &AppConfig) -> Result<crate::sync::WebdavConfig, Str
 }
 
 #[tauri::command]
+#[allow(clippy::too_many_arguments)]
 pub fn set_sync_settings(
     state: State<'_, AppState>,
     provider: Option<String>,
diff --git a/src-tauri/src/history.rs b/src-tauri/src/history.rs
index 84c6985..c005a07 100644
--- a/src-tauri/src/history.rs
+++ b/src-tauri/src/history.rs
@@ -115,7 +115,7 @@ pub fn list_versions(vault_path: &str, note_id: &str) -> Result<Vec<VersionEntry
     for entry in fs::read_dir(&dir).map_err(|e| e.to_string())? {
         let entry = entry.map_err(|e| e.to_string())?;
         let path = entry.path();
-        if path.extension().map_or(false, |ext| ext == "md") {
+        if path.extension().is_some_and(|ext| ext == "md") {
             let filename = path
                 .file_stem()
                 .unwrap_or_default()
@@ -153,7 +153,7 @@ pub fn get_version(vault_path: &str, note_id: &str, timestamp: &str) -> Result<S
         let date_part = &timestamp[..t_pos];
         let time_part = timestamp[t_pos + 1..].trim_end_matches('Z');
         let time_dashes = time_part.replace(':', "-");
-        format!("{}.md", format!("{}T{}", date_part, time_dashes))
+        format!("{date_part}T{time_dashes}.md")
     } else {
         format!("{}.md", timestamp)
     };
@@ -168,7 +168,7 @@ fn prune_versions(dir: &Path, max: u32) -> Result<(), String> {
         .map_err(|e| e.to_string())?
         .filter_map(|e| e.ok())
         .map(|e| e.path())
-        .filter(|p| p.extension().map_or(false, |ext| ext == "md"))
+        .filter(|p| p.extension().is_some_and(|ext| ext == "md"))
         .collect();
 
     // Sort by name (timestamps sort lexicographically) - newest last
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 4d7be6b..41ccebf 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -219,7 +219,7 @@ pub fn run() {
                 let external_url = percent_decode(encoded);
 
                 if !external_url.starts_with("http://") && !external_url.starts_with("https://") {
-                    let _ = responder.respond(
+                    responder.respond(
                         tauri::http::Response::builder()
                             .status(400)
                             .body(Vec::new())
@@ -234,7 +234,7 @@ pub fn run() {
                 {
                     Ok(c) => c,
                     Err(_) => {
-                        let _ = responder.respond(
+                        responder.respond(
                             tauri::http::Response::builder()
                                 .status(502)
                                 .body(Vec::new())
@@ -255,7 +255,7 @@ pub fn run() {
                         let status = resp.status().as_u16();
                         match resp.bytes() {
                             Ok(bytes) => {
-                                let _ = responder.respond(
+                                responder.respond(
                                     tauri::http::Response::builder()
                                         .status(status)
                                         .header("Content-Type", &content_type)
@@ -265,7 +265,7 @@ pub fn run() {
                                 );
                             }
                             Err(_) => {
-                                let _ = responder.respond(
+                                responder.respond(
                                     tauri::http::Response::builder()
                                         .status(502)
                                         .body(Vec::new())
@@ -275,7 +275,7 @@ pub fn run() {
                         }
                     }
                     Err(_) => {
-                        let _ = responder.respond(
+                        responder.respond(
                             tauri::http::Response::builder()
                                 .status(502)
                                 .body(Vec::new())
@@ -350,9 +350,9 @@ pub fn run() {
                         let _ = window.hide();
                     }
                 }
-                tauri::WindowEvent::Destroyed => {
+                tauri::WindowEvent::Destroyed
                     // When main window is destroyed, close all note windows
-                    if window.label() == "main" {
+                    if window.label() == "main" => {
                         let app = window.app_handle();
                         for (label, win) in app.webview_windows() {
                             if label.starts_with("note-") {
@@ -360,7 +360,6 @@ pub fn run() {
                             }
                         }
                     }
-                }
                 _ => {}
             }
         });
diff --git a/src-tauri/src/search/mod.rs b/src-tauri/src/search/mod.rs
index af40674..b1e34bd 100644
--- a/src-tauri/src/search/mod.rs
+++ b/src-tauri/src/search/mod.rs
@@ -290,7 +290,7 @@ impl SearchIndex {
                 doc.add_text(self.path_field, &path_str);
                 doc.add_text(self.title_field, &meta.title);
                 doc.add_text(self.body_field, &content);
-                doc.add_text(self.tags_field, &meta.tags.join(" "));
+                doc.add_text(self.tags_field, meta.tags.join(" "));
                 let _ = writer.add_document(doc);
             }
         }
@@ -321,7 +321,7 @@ impl SearchIndex {
         doc.add_text(self.path_field, path);
         doc.add_text(self.title_field, &meta.title);
         doc.add_text(self.body_field, &content);
-        doc.add_text(self.tags_field, &meta.tags.join(" "));
+        doc.add_text(self.tags_field, meta.tags.join(" "));
         let _ = writer.add_document(doc);
 
         writer.commit().map_err(|e| e.to_string())?;
@@ -341,7 +341,7 @@ impl SearchIndex {
         let reader = self.index.reader().map_err(|e| e.to_string())?;
         let searcher = reader.searcher();
 
-        let fields = vec![self.title_field, self.body_field, self.tags_field];
+        let fields = [self.title_field, self.body_field, self.tags_field];
         // Tokenize the query with the SAME CJK-aware analyzer used for indexing, so a
         // Chinese/Japanese/Korean query becomes the same uni/bigram tokens as the docs.
         // (For pure-ASCII queries this yields the same lowercased word tokens as before.)
diff --git a/src-tauri/src/vault/frontmatter.rs b/src-tauri/src/vault/frontmatter.rs
index 6d7491d..55e0ca6 100644
--- a/src-tauri/src/vault/frontmatter.rs
+++ b/src-tauri/src/vault/frontmatter.rs
@@ -108,7 +108,7 @@ pub fn serialize_frontmatter(meta: &NoteMeta) -> String {
             "[{}]",
             meta.tags
                 .iter()
-                .map(|t| format!("{}", t))
+                .map(|t| t.to_string())
                 .collect::<Vec<_>>()
                 .join(", ")
         )
@@ -279,7 +279,7 @@ fn strip_html_and_markdown(input: &str) -> String {
             chars.next(); // skip '['
             let mut depth = 1;
             // Skip alt text
-            while let Some(c) = chars.next() {
+            for c in chars.by_ref() {
                 if c == '[' {
                     depth += 1;
                 }
@@ -294,7 +294,7 @@ fn strip_html_and_markdown(input: &str) -> String {
             if chars.peek() == Some(&'(') {
                 chars.next();
                 let mut depth = 1;
-                while let Some(c) = chars.next() {
+                for c in chars.by_ref() {
                     if c == '(' {
                         depth += 1;
                     }
@@ -313,7 +313,7 @@ fn strip_html_and_markdown(input: &str) -> String {
         if ch == '[' {
             let mut link_text = String::new();
             let mut depth = 1;
-            while let Some(c) = chars.next() {
+            for c in chars.by_ref() {
                 if c == '[' {
                     depth += 1;
                 }
@@ -329,7 +329,7 @@ fn strip_html_and_markdown(input: &str) -> String {
             if chars.peek() == Some(&'(') {
                 chars.next();
                 let mut depth = 1;
-                while let Some(c) = chars.next() {
+                for c in chars.by_ref() {
                     if c == '(' {
                         depth += 1;
                     }
diff --git a/src-tauri/src/vault/import.rs b/src-tauri/src/vault/import.rs
index c7291f4..711a4f4 100644
--- a/src-tauri/src/vault/import.rs
+++ b/src-tauri/src/vault/import.rs
@@ -116,9 +116,7 @@ pub fn import(vault_path: &str) -> Result<ImportResult, String> {
                     result.links_converted += 1;
                     format!("![{}]({})", alt, link_target)
                 } else {
-                    let display = if alt_param.is_empty() {
-                        file_part.rsplit('/').next().unwrap_or(file_part)
-                    } else if is_dimension_spec(alt_param) {
+                    let display = if alt_param.is_empty() || is_dimension_spec(alt_param) {
                         file_part.rsplit('/').next().unwrap_or(file_part)
                     } else {
                         alt_param
@@ -267,7 +265,7 @@ fn normalize_frontmatter(raw: &str, path: &Path) -> (NoteMeta, String) {
     let tags = normalize_tags(&mapping);
 
     let title = mapping
-        .get(&serde_yaml::Value::String("title".into()))
+        .get(serde_yaml::Value::String("title".into()))
         .and_then(|v| v.as_str())
         .map(|s| s.to_string())
         .unwrap_or_else(|| {
@@ -283,7 +281,7 @@ fn normalize_frontmatter(raw: &str, path: &Path) -> (NoteMeta, String) {
         });
 
     let id = mapping
-        .get(&serde_yaml::Value::String("id".into()))
+        .get(serde_yaml::Value::String("id".into()))
         .and_then(|v| v.as_str())
         .map(|s| s.to_string())
         .filter(|s| !s.is_empty())
@@ -293,9 +291,9 @@ fn normalize_frontmatter(raw: &str, path: &Path) -> (NoteMeta, String) {
         .iter()
         .find_map(|key| {
             mapping
-                .get(&serde_yaml::Value::String((*key).into()))
+                .get(serde_yaml::Value::String((*key).into()))
                 .and_then(|v| v.as_str())
-                .and_then(|s| frontmatter::parse_date_flexible(s))
+                .and_then(frontmatter::parse_date_flexible)
         })
         .or_else(|| file_created(path))
         .unwrap_or_else(Utc::now);
@@ -304,15 +302,15 @@ fn normalize_frontmatter(raw: &str, path: &Path) -> (NoteMeta, String) {
         .iter()
         .find_map(|key| {
             mapping
-                .get(&serde_yaml::Value::String((*key).into()))
+                .get(serde_yaml::Value::String((*key).into()))
                 .and_then(|v| v.as_str())
-                .and_then(|s| frontmatter::parse_date_flexible(s))
+                .and_then(frontmatter::parse_date_flexible)
         })
         .or_else(|| file_modified(path))
         .unwrap_or_else(Utc::now);
 
     let pinned = mapping
-        .get(&serde_yaml::Value::String("pinned".into()))
+        .get(serde_yaml::Value::String("pinned".into()))
         .and_then(|v| v.as_bool())
         .unwrap_or(false);
 
@@ -332,7 +330,7 @@ fn normalize_tags(mapping: &serde_yaml::Mapping) -> Vec<String> {
     let mut seen = HashSet::new();
 
     for key in &["tags", "tag"] {
-        if let Some(val) = mapping.get(&serde_yaml::Value::String((*key).into())) {
+        if let Some(val) = mapping.get(serde_yaml::Value::String((*key).into())) {
             for raw in yaml_value_to_strings(val) {
                 let cleaned = raw.trim().trim_start_matches('#').trim().to_string();
                 if !cleaned.is_empty() && seen.insert(cleaned.to_lowercase()) {
@@ -686,7 +684,7 @@ fn cleanup_empty_dirs(root: &Path) {
         .map(|e| e.path().to_path_buf())
         .collect();
 
-    dirs.sort_by(|a, b| b.components().count().cmp(&a.components().count()));
+    dirs.sort_by_key(|path| std::cmp::Reverse(path.components().count()));
 
     for dir in dirs {
         let dir_str = dir.to_string_lossy();
diff --git a/src-tauri/src/vault/operations.rs b/src-tauri/src/vault/operations.rs
index 31bbaf1..68939d2 100644
--- a/src-tauri/src/vault/operations.rs
+++ b/src-tauri/src/vault/operations.rs
@@ -381,7 +381,7 @@ pub fn scan_notes(vault_path: &str, notebook_path: Option<&str>) -> Result<Vec<N
             .collect();
 
         log::info!("scan_notes: mobile scan found {} notes", notes.len());
-        notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
+        notes.sort_by_key(|note| std::cmp::Reverse(note.meta.modified));
         return Ok(notes);
     }
 
@@ -397,7 +397,7 @@ pub fn scan_notes(vault_path: &str, notebook_path: Option<&str>) -> Result<Vec<N
         } else {
             WalkDir::new(root)
                 .into_iter()
-                .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(&helixnotes_dir(vault_path)))
+                .filter_entry(|e| !is_hidden(e.path()) && !e.path().starts_with(helixnotes_dir(vault_path)))
                 .filter_map(|e| e.ok())
                 .map(|e| e.path().to_path_buf())
                 .filter(|p| p.is_file() && p.extension().and_then(|x| x.to_str()) == Some("md"))
@@ -409,7 +409,7 @@ pub fn scan_notes(vault_path: &str, notebook_path: Option<&str>) -> Result<Vec<N
             .filter_map(|path| read_note_entry_fast(path, vault_root).ok())
             .collect();
 
-        notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
+        notes.sort_by_key(|note| std::cmp::Reverse(note.meta.modified));
         Ok(notes)
     }
 }
@@ -1176,7 +1176,7 @@ pub fn get_trash_contents(vault_path: &str) -> Result<TrashContents, String> {
             };
             let modified = fs::metadata(&path)
                 .and_then(|m| m.modified())
-                .map(|t| DateTime::<Utc>::from(t))
+                .map(DateTime::<Utc>::from)
                 .unwrap_or_else(|_| Utc::now());
             notebooks.push(TrashNotebookEntry {
                 name,
@@ -1187,8 +1187,8 @@ pub fn get_trash_contents(vault_path: &str) -> Result<TrashContents, String> {
         }
     }
 
-    notes.sort_by(|a, b| b.meta.modified.cmp(&a.meta.modified));
-    notebooks.sort_by(|a, b| b.modified.cmp(&a.modified));
+    notes.sort_by_key(|note| std::cmp::Reverse(note.meta.modified));
+    notebooks.sort_by_key(|notebook| std::cmp::Reverse(notebook.modified));
     Ok(TrashContents { notes, notebooks })
 }