diff --git a/local/recipes/tui/tlc/source/src/editor/cursor.rs b/local/recipes/tui/tlc/source/src/editor/cursor.rs
index 77aa82f00d..90e737a440 100644
--- a/local/recipes/tui/tlc/source/src/editor/cursor.rs
+++ b/local/recipes/tui/tlc/source/src/editor/cursor.rs
@@ -32,18 +32,15 @@ use crate::editor::buffer::Buffer;
 ///   (line, column) corner and extending to another (line, column)
 ///   corner. Matches Alt+Arrow (MC `MarkColumn*` bindings).
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Default)]
 pub enum SelectionMode {
     /// Contiguous text range — the legacy "Shift+Arrow" behaviour.
+    #[default]
     Stream,
     /// Rectangular block — Alt+Arrow / Alt-PageUp / Alt-PageDown.
     Column,
 }
 
-impl Default for SelectionMode {
-    fn default() -> Self {
-        Self::Stream
-    }
-}
 
 /// A rectangular column selection: `(start_line, start_col,
 /// end_line, end_col)` in **visual** (tab-expanded) column coordinates.
@@ -261,11 +258,9 @@ impl Cursor {
             // Build the post-delete text by walking line-by-line and
             // stripping the rectangle columns from each line.
             let mut new_text = String::with_capacity(text.len());
-            let mut byte_pos = 0usize;
             for line in 0..buf.line_count() {
                 let line_start = buf.line_offset(line);
                 let line_len = buf.line_length(line);
-                let _ = byte_pos;
                 if line > 0 {
                     new_text.push('\n');
                 }
diff --git a/local/recipes/tui/tlc/source/src/editor/menubar.rs b/local/recipes/tui/tlc/source/src/editor/menubar.rs
index f7d84b76d2..2f372a7066 100644
--- a/local/recipes/tui/tlc/source/src/editor/menubar.rs
+++ b/local/recipes/tui/tlc/source/src/editor/menubar.rs
@@ -359,12 +359,12 @@ impl EditorMenuBar {
                     self.active_menu -= 1;
                 }
                 self.selected_item = 0;
-                return Handled;
+                Handled
             }
             RIGHT => {
                 self.active_menu = (self.active_menu + 1) % self.menus.len();
                 self.selected_item = 0;
-                return Handled;
+                Handled
             }
             UP => {
                 let items = &self.menus[self.active_menu].items;
@@ -378,7 +378,7 @@ impl EditorMenuBar {
                         break;
                     }
                 }
-                return Handled;
+                Handled
             }
             DOWN => {
                 let items = &self.menus[self.active_menu].items;
@@ -388,16 +388,17 @@ impl EditorMenuBar {
                         break;
                     }
                 }
-                return Handled;
+                Handled
             }
             c if c == Key::ENTER.code => {
                 let menu = &self.menus[self.active_menu];
                 let item = &menu.items[self.selected_item];
                 let cmd = item.cmd;
                 if matches!(cmd, EditorCmd::Nop) {
-                    return Handled;
+                    Handled
+                } else {
+                    Dispatch(cmd)
                 }
-                return Dispatch(cmd);
             }
             _ => {
                 if let Some(ch) = Self::key_to_char(key) {
@@ -422,10 +423,8 @@ impl EditorMenuBar {
     /// Decode a printable ASCII letter from a Key (if any). Returns
     /// `None` for non-letter keys.
     fn key_to_char(key: Key) -> Option<char> {
-        if key.code >= 0x20 && key.code <= 0x7E {
-            if key.mods.is_empty() {
-                return Some(key.code as u8 as char);
-            }
+        if key.code >= 0x20 && key.code <= 0x7E && key.mods.is_empty() {
+            return Some(key.code as u8 as char);
         }
         None
     }
diff --git a/local/recipes/tui/tlc/source/src/editor/mod.rs b/local/recipes/tui/tlc/source/src/editor/mod.rs
index d1a4ff35a7..e6cd288a43 100644
--- a/local/recipes/tui/tlc/source/src/editor/mod.rs
+++ b/local/recipes/tui/tlc/source/src/editor/mod.rs
@@ -649,21 +649,25 @@ bracket_flash: None,
         self.word_wrap
     }
 
+    /// Whether auto-indent is enabled on Enter.
     #[must_use]
     pub fn auto_indent(&self) -> bool {
         self.auto_indent
     }
 
+    /// Toggle auto-indent and return the new state.
     pub fn toggle_auto_indent(&mut self) -> bool {
         self.auto_indent = !self.auto_indent;
         self.auto_indent
     }
 
+    /// Whether whitespace glyphs are visible.
     #[must_use]
     pub fn show_whitespace(&self) -> bool {
         self.show_whitespace
     }
 
+    /// Toggle whitespace visibility and return the new state.
     pub fn toggle_show_whitespace(&mut self) -> bool {
         self.show_whitespace = !self.show_whitespace;
         self.show_whitespace
@@ -1174,8 +1178,8 @@ bracket_flash: None,
         for line in segment.split_inclusive('\n') {
             let content = line.strip_suffix('\n').unwrap_or(line);
             let nl = if line.ends_with('\n') { "\n" } else { "" };
-            if content.starts_with('\t') {
-                new_segment.push_str(&content[1..]);
+            if let Some(stripped) = content.strip_prefix('\t') {
+                new_segment.push_str(stripped);
                 removed += 1;
             } else {
                 let spaces = content.bytes().take_while(|&b| b == b' ').count().min(8);
diff --git a/local/recipes/tui/tlc/source/src/editor/render.rs b/local/recipes/tui/tlc/source/src/editor/render.rs
index b982833010..8ede38ed0e 100644
--- a/local/recipes/tui/tlc/source/src/editor/render.rs
+++ b/local/recipes/tui/tlc/source/src/editor/render.rs
@@ -207,11 +207,7 @@ impl Editor {
                     if cursor_line == line_idx {
                         format!("{:>w$}", n, w = (gutter_w - 1) as usize)
                     } else {
-                        let d = if line_idx < cursor_line {
-                            cursor_line - line_idx
-                        } else {
-                            line_idx - cursor_line
-                        };
+                        let d = line_idx.abs_diff(cursor_line);
                         format!("{:>w$}", d, w = (gutter_w - 1) as usize)
                     }
                 } else {
@@ -437,7 +433,7 @@ impl Editor {
                 let popup_h = (window_end - scroll_offset) as u16 + 2;
                 let popup_w = body_area.width.min(40);
                 let row_y = cursor_pos.map(|(_, y)| y).unwrap_or(body_area.y);
-                let desired_y = if row_y.saturating_sub(body_area.y) >= popup_h + 1 {
+                let desired_y = if row_y.saturating_sub(body_area.y) > popup_h {
                     row_y - popup_h
                 } else {
                     row_y + 1
@@ -808,6 +804,7 @@ impl Editor {
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 fn paint_scrollbar(
     buf: &mut ratatui::buffer::Buffer,
     area: Rect,
@@ -888,6 +885,7 @@ fn paint_cursor_shape(
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 fn push_rendered_text<'a>(
     spans: &mut Vec<Span<'a>>,
     text: &str,
@@ -1048,9 +1046,7 @@ fn build_wrap_map(
         let chars = buffer.line_length_chars(line_idx);
         // Empty line is always at least one visual row so the user
         // sees the `~` tilde marker.
-        let rows = if body_width == 0 {
-            1
-        } else if chars == 0 {
+        let rows = if body_width == 0 || chars == 0 {
             1
         } else {
             chars.div_ceil(body_width).max(1)
diff --git a/local/recipes/tui/tlc/source/src/editor/search.rs b/local/recipes/tui/tlc/source/src/editor/search.rs
index a93e23b715..b425e82ba3 100644
--- a/local/recipes/tui/tlc/source/src/editor/search.rs
+++ b/local/recipes/tui/tlc/source/src/editor/search.rs
@@ -260,7 +260,7 @@ impl SearchState {
                 len,
             ) {
                 Some(m) => {
-                    let next = if m.len() == 0 { pos + 1 } else { m.range.end };
+                    let next = if m.is_empty() { pos + 1 } else { m.range.end };
                     out.push(m);
                     pos = next;
                 }
diff --git a/local/recipes/tui/tlc/source/src/filemanager/confirm_dialog.rs b/local/recipes/tui/tlc/source/src/filemanager/confirm_dialog.rs
index 2981e1f0c3..37e8246f16 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/confirm_dialog.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/confirm_dialog.rs
@@ -3,7 +3,7 @@
 use crate::key::Key;
 use crate::terminal::color::Theme;
 use ratatui::layout::{Alignment, Constraint, Layout, Rect};
-use ratatui::style::{Modifier, Style};
+use ratatui::style::Style;
 use ratatui::text::{Line, Span};
 use ratatui::widgets::Paragraph;
 use ratatui::Frame;
diff --git a/local/recipes/tui/tlc/source/src/filemanager/connection_dialog.rs b/local/recipes/tui/tlc/source/src/filemanager/connection_dialog.rs
index f6b0641d2c..508f477907 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/connection_dialog.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/connection_dialog.rs
@@ -17,7 +17,7 @@
 use std::path::PathBuf;
 
 use ratatui::layout::{Constraint, Direction, Layout, Rect};
-use ratatui::style::{Modifier, Style};
+use ratatui::style::Style;
 use ratatui::text::{Line, Span};
 use ratatui::widgets::Paragraph;
 use ratatui::Frame;
diff --git a/local/recipes/tui/tlc/source/src/filemanager/menubar.rs b/local/recipes/tui/tlc/source/src/filemanager/menubar.rs
index b817d59478..dac2b55e74 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/menubar.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/menubar.rs
@@ -7,7 +7,7 @@
 use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
 use ratatui::style::{Modifier, Style};
 use ratatui::text::{Line, Span};
-use ratatui::widgets::{Block, Borders, Clear, Paragraph};
+use ratatui::widgets::{Clear, Paragraph};
 use ratatui::Frame;
 
 use crate::key::Key;
@@ -356,7 +356,7 @@ impl MenuBar {
         let y = 1u16;
         let dropdown_area = Rect::new(x, y, dropdown_w, dropdown_h);
 
-        let inner = render_popup(frame, dropdown_area, menu.title.clone(), theme);
+        let inner = render_popup(frame, dropdown_area, menu.title, theme);
 
         let chunks = Layout::default()
             .direction(Direction::Vertical)
diff --git a/local/recipes/tui/tlc/source/src/filemanager/owner.rs b/local/recipes/tui/tlc/source/src/filemanager/owner.rs
index 5bffd2605f..3284b6f78b 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/owner.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/owner.rs
@@ -12,7 +12,7 @@
 use std::path::PathBuf;
 
 use ratatui::layout::{Constraint, Direction, Layout, Rect};
-use ratatui::style::{Modifier, Style};
+use ratatui::style::Style;
 use ratatui::text::{Line, Span};
 use ratatui::widgets::{Paragraph, Wrap};
 use ratatui::Frame;
@@ -241,6 +241,7 @@ impl OwnerDialog {
     }
 }
 
+#[allow(dead_code)]
 fn centered_rect(area: Rect, width_pct: f32, height_pct: f32) -> Rect {
     let w = (area.width as f32 * width_pct.clamp(0.1, 1.0)) as u16;
     let h = (area.height as f32 * height_pct.clamp(0.1, 1.0)) as u16;
diff --git a/local/recipes/tui/tlc/source/src/filemanager/panel.rs b/local/recipes/tui/tlc/source/src/filemanager/panel.rs
index e7b39311ba..10c17179b3 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/panel.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/panel.rs
@@ -359,16 +359,19 @@ impl Panel {
 
     /// Current sort-reverse state.
     #[must_use]
+    /// Whether reverse sort is enabled.
     pub fn sort_reverse(&self) -> bool {
         self.sort_reverse
     }
 
+    /// Toggle case-sensitive sort and re-sort.
     pub fn toggle_sort_case(&mut self) {
         self.sort_case_sensitive = !self.sort_case_sensitive;
         self.sort_in_place();
     }
 
     #[must_use]
+    /// Whether case-sensitive sort is enabled.
     pub fn sort_case_sensitive(&self) -> bool {
         self.sort_case_sensitive
     }
@@ -385,10 +388,12 @@ impl Panel {
     }
 
     #[must_use]
+    /// Current sort field.
     pub fn sort_field(&self) -> SortField {
         self.sort_field
     }
 
+    /// Apply a sort field and direction.
     pub fn apply_sort(&mut self, field: SortField, reverse: bool) {
         self.sort_field = field;
         self.sort_reverse = reverse;
diff --git a/local/recipes/tui/tlc/source/src/filemanager/pattern_dialog.rs b/local/recipes/tui/tlc/source/src/filemanager/pattern_dialog.rs
index bf57f38e91..ee92b0ecef 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/pattern_dialog.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/pattern_dialog.rs
@@ -4,9 +4,9 @@
 //! the pattern is returned; on Esc the dialog is cancelled.
 
 use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
-use ratatui::style::{Modifier, Style};
+use ratatui::style::Style;
 use ratatui::text::{Line, Span};
-use ratatui::widgets::{Block, Borders, Clear, Paragraph};
+use ratatui::widgets::Paragraph;
 use ratatui::Frame;
 
 use crate::key::Key;
diff --git a/local/recipes/tui/tlc/source/src/filemanager/permission.rs b/local/recipes/tui/tlc/source/src/filemanager/permission.rs
index c994f2eafc..116cb0113c 100644
--- a/local/recipes/tui/tlc/source/src/filemanager/permission.rs
+++ b/local/recipes/tui/tlc/source/src/filemanager/permission.rs
@@ -337,6 +337,7 @@ impl PermissionDialog {
     }
 }
 
+#[allow(dead_code)]
 fn centered_rect(area: Rect, width_pct: f32, height_pct: f32) -> Rect {
     let w = (area.width as f32 * width_pct.clamp(0.1, 1.0)) as u16;
     let h = (area.height as f32 * height_pct.clamp(0.1, 1.0)) as u16;
diff --git a/local/recipes/tui/tlc/source/src/ops/mod.rs b/local/recipes/tui/tlc/source/src/ops/mod.rs
index 1b0c09f13b..4d546eb583 100644
--- a/local/recipes/tui/tlc/source/src/ops/mod.rs
+++ b/local/recipes/tui/tlc/source/src/ops/mod.rs
@@ -168,6 +168,7 @@ pub struct HardlinkTracker {
 
 impl HardlinkTracker {
     #[must_use]
+    /// Create an empty hardlink tracker.
     pub fn new() -> Self {
         Self::default()
     }
diff --git a/local/recipes/tui/tlc/source/src/ops/progress.rs b/local/recipes/tui/tlc/source/src/ops/progress.rs
index eb632380c5..cb403f5af4 100644
--- a/local/recipes/tui/tlc/source/src/ops/progress.rs
+++ b/local/recipes/tui/tlc/source/src/ops/progress.rs
@@ -163,6 +163,7 @@ impl Default for ProgressDialog {
     }
 }
 
+#[allow(dead_code)]
 fn centered_rect(area: Rect, width_pct: f32, height_pct: f32) -> Rect {
     let w = (area.width as f32 * width_pct.clamp(0.1, 1.0)) as u16;
     let h = (area.height as f32 * height_pct.clamp(0.1, 1.0)) as u16;
diff --git a/local/recipes/tui/tlc/source/src/terminal/color.rs b/local/recipes/tui/tlc/source/src/terminal/color.rs
index b66dd833f4..1389b95c41 100644
--- a/local/recipes/tui/tlc/source/src/terminal/color.rs
+++ b/local/recipes/tui/tlc/source/src/terminal/color.rs
@@ -38,6 +38,7 @@ use ratatui::style::Color;
 use super::mc_skin;
 
 /// Construct a [`Color::Rgb`] from a hex constant at compile time.
+#[allow(dead_code)]
 const fn rgb(r: u8, g: u8, b: u8) -> Color {
     Color::Rgb(r, g, b)
 }
diff --git a/local/recipes/tui/tlc/source/src/terminal/mc_skin.rs b/local/recipes/tui/tlc/source/src/terminal/mc_skin.rs
index 6402952b79..097dd60f4c 100644
--- a/local/recipes/tui/tlc/source/src/terminal/mc_skin.rs
+++ b/local/recipes/tui/tlc/source/src/terminal/mc_skin.rs
@@ -129,10 +129,10 @@ fn parse_theme(name: &'static str, text: &str) -> Theme {
     let core_shadow = resolve_style(&parsed, "core", "shadow");
     let status = resolve_style(&parsed, "statusbar", "_default_");
     let button = resolve_style(&parsed, "buttonbar", "button");
-    let button_hotkey = resolve_style(&parsed, "buttonbar", "hotkey");
+    let _button_hotkey = resolve_style(&parsed, "buttonbar", "hotkey");
     let error = resolve_style(&parsed, "error", "_default_");
     let error_title = resolve_style(&parsed, "error", "errdtitle");
-    let dialog_default = resolve_style(&parsed, "dialog", "_default_");
+    let _dialog_default = resolve_style(&parsed, "dialog", "_default_");
     let dialog_focus = resolve_style(&parsed, "dialog", "dfocus");
     let file_directory = resolve_style(&parsed, "filehighlight", "directory");
     let file_executable = resolve_style(&parsed, "filehighlight", "executable");
diff --git a/local/recipes/tui/tlc/source/src/terminal/popup.rs b/local/recipes/tui/tlc/source/src/terminal/popup.rs
index 2ee0fba4f5..ebb63726af 100644
--- a/local/recipes/tui/tlc/source/src/terminal/popup.rs
+++ b/local/recipes/tui/tlc/source/src/terminal/popup.rs
@@ -3,7 +3,7 @@
 use ratatui::buffer::Buffer;
 use ratatui::layout::Rect;
 use ratatui::style::{Modifier, Style};
-use ratatui::text::{Line, Span};
+use ratatui::text::Span;
 use ratatui::widgets::{Block, BorderType, Borders, Clear};
 use ratatui::Frame;
 
@@ -64,14 +64,14 @@ fn render_drop_shadow(buf: &mut Buffer, area: Rect, shadow_color: ratatui::style
     let x = area.x;
     let rows = area.height as usize;
     let cols = area.width as usize;
-    let right_cols = 2.min(buf.area().width.saturating_sub(x as u16 + area.width) as usize);
+    let right_cols = 2.min(buf.area().width.saturating_sub(x + area.width) as usize);
     if right_cols == 0 && y + area.height >= buf.area().height {
         return;
     }
     for row in 0..rows.saturating_sub(1) {
         let yy = y as usize + 1 + row;
         for col in 0..right_cols {
-            let xx = x as usize + cols as usize + col;
+            let xx = x as usize + cols + col;
             if let Some(cell) = buf.cell_mut((xx as u16, yy as u16)) {
                 cell.set_bg(shadow_color);
             }
@@ -79,7 +79,7 @@ fn render_drop_shadow(buf: &mut Buffer, area: Rect, shadow_color: ratatui::style
     }
     let bottom_y = y as usize + rows;
     if bottom_y < buf.area().height as usize {
-        let available_cols = buf.area().width.saturating_sub(x as u16 + 2) as usize;
+        let available_cols = buf.area().width.saturating_sub(x + 2) as usize;
         let strip_cols = cols.min(available_cols);
         for col in 0..strip_cols {
             let xx = x as usize + 2 + col;
diff --git a/local/recipes/tui/tlc/source/src/vfs/known_hosts.rs b/local/recipes/tui/tlc/source/src/vfs/known_hosts.rs
index 63d29bd9d6..5953618a8f 100644
--- a/local/recipes/tui/tlc/source/src/vfs/known_hosts.rs
+++ b/local/recipes/tui/tlc/source/src/vfs/known_hosts.rs
@@ -232,7 +232,7 @@ pub fn entry_from_tofu(host: &str, key_type: &str, fingerprint: &str) -> KnownHo
         hosts: vec![host.to_string()],
         key_type: key_type.to_string(),
         fingerprint: fingerprint.to_string(),
-        comment: Some(format!("first-seen-by-tlc")),
+        comment: Some("first-seen-by-tlc".to_string()),
     }
 }
 
diff --git a/local/recipes/tui/tlc/source/src/viewer/mod.rs b/local/recipes/tui/tlc/source/src/viewer/mod.rs
index 5706511bb6..4d29e906e1 100644
--- a/local/recipes/tui/tlc/source/src/viewer/mod.rs
+++ b/local/recipes/tui/tlc/source/src/viewer/mod.rs
@@ -517,7 +517,7 @@ impl Viewer {
 
     fn footer_text(&self) -> String {
         let pct = if self.goto.line_count() > 0 {
-            let p = (self.current_line() as u64 + 1) * 100 / self.goto.line_count() as u64;
+            let p = (self.current_line() + 1) * 100 / self.goto.line_count();
             format!("  {}%", p.min(100))
         } else {
             String::new()
diff --git a/local/recipes/tui/tlc/source/src/viewer/source.rs b/local/recipes/tui/tlc/source/src/viewer/source.rs
index 00e129b709..bad0d8995a 100644
--- a/local/recipes/tui/tlc/source/src/viewer/source.rs
+++ b/local/recipes/tui/tlc/source/src/viewer/source.rs
@@ -332,8 +332,7 @@ impl FileSource {
         let bytes = match self {
             Self::Inline { bytes } | Self::Compressed { bytes, .. } => bytes.as_slice(),
             Self::Chunked { .. } => {
-                return Err(std::io::Error::new(
-                    std::io::ErrorKind::Other,
+                return Err(std::io::Error::other(
                     "save_to requires Inline or Compressed source",
                 ));
             }
diff --git a/local/recipes/tui/tlc/source/src/widget/button.rs b/local/recipes/tui/tlc/source/src/widget/button.rs
index 46426c1d60..14e8b394d9 100644
--- a/local/recipes/tui/tlc/source/src/widget/button.rs
+++ b/local/recipes/tui/tlc/source/src/widget/button.rs
@@ -120,8 +120,8 @@ pub fn render_button_row(
     if specs.is_empty() || area.width == 0 || area.height == 0 {
         return;
     }
-    let mut widths: Vec<u16> = specs.iter().map(|s| button_width(*s)).collect();
-    let total: u16 = widths.iter().sum::<u16>() + (specs.len() as u16 - 1).max(0) * 2;
+    let widths: Vec<u16> = specs.iter().map(|s| button_width(*s)).collect();
+    let total: u16 = widths.iter().sum::<u16>() + (specs.len() as u16 - 1) * 2;
     let mut x = if total < area.width {
         area.x + (area.width - total) / 2
     } else {
@@ -165,6 +165,7 @@ fn push_label_spans(
             .position(|c| c.eq_ignore_ascii_case(&h))
             .map(|i| chars[i])
     });
+    #[allow(clippy::manual_option_zip)]
     if let Some((hot_idx, hot_char)) =
         hotkey_char.and_then(|hc| chars.iter().position(|c| *c == hc).map(|i| (i, hc)))
     {
diff --git a/local/recipes/tui/tlc/source/src/widget/dialog.rs b/local/recipes/tui/tlc/source/src/widget/dialog.rs
index 9d7e308a51..514a739579 100644
--- a/local/recipes/tui/tlc/source/src/widget/dialog.rs
+++ b/local/recipes/tui/tlc/source/src/widget/dialog.rs
@@ -8,7 +8,6 @@
 
 use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
 use ratatui::style::{Color, Style};
-use ratatui::text::Line;
 use ratatui::widgets::{Paragraph, Wrap};
 use ratatui::Frame;