fix: resolve clippy warnings for Rust 1.92

- Use strip_prefix instead of manual string slicing in apply_patch.rs
- Use vec![] macro instead of Vec::new() + push in api_key.rs
- Fix iter_overeager_cloned by filtering before cloning in session_picker.rs
- Use ? operator instead of let...else in delete_selected
- Allow clippy::too_many_arguments for build_list_lines

🤖 Generated with [Claude Code](https://claude.com/claude-code)

src/tools/apply_patch.rs

@@ -264,13 +264,13 @@ fn parse_unified_diff_files(
             continue;
         }
 
-        if line.starts_with("--- ") {
-            old_path = Some(line[4..].trim().to_string());
+        if let Some(stripped) = line.strip_prefix("--- ") {
+            old_path = Some(stripped.trim().to_string());
             continue;
         }
 
-        if line.starts_with("+++ ") {
-            let new_path = Some(line[4..].trim().to_string());
+        if let Some(stripped) = line.strip_prefix("+++ ") {
+            let new_path = Some(stripped.trim().to_string());
             let (path, delete_after, create_flag) =
                 resolve_diff_paths(old_path.as_deref(), new_path.as_deref(), create_if_missing)?;
             if let Some(file) = current.take() {

src/tui/onboarding/api_key.rs

@@ -7,23 +7,24 @@ use crate::palette;
 use crate::tui::app::App;
 
 pub fn lines(app: &App) -> Vec<Line<'static>> {
-    let mut lines = Vec::new();
-    lines.push(Line::from(Span::styled(
-        "API Key Setup",
-        Style::default()
-            .fg(palette::DEEPSEEK_SKY)
-            .add_modifier(Modifier::BOLD),
-    )));
-    lines.push(Line::from(""));
-    lines.push(Line::from(Span::styled(
-        "Enter your DEEPSEEK_API_KEY to continue.",
-        Style::default().fg(palette::TEXT_PRIMARY),
-    )));
-    lines.push(Line::from(Span::styled(
-        "Get your key at https://platform.deepseek.com",
-        Style::default().fg(palette::DEEPSEEK_SKY),
-    )));
-    lines.push(Line::from(""));
+    let mut lines = vec![
+        Line::from(Span::styled(
+            "API Key Setup",
+            Style::default()
+                .fg(palette::DEEPSEEK_SKY)
+                .add_modifier(Modifier::BOLD),
+        )),
+        Line::from(""),
+        Line::from(Span::styled(
+            "Enter your DEEPSEEK_API_KEY to continue.",
+            Style::default().fg(palette::TEXT_PRIMARY),
+        )),
+        Line::from(Span::styled(
+            "Get your key at https://platform.deepseek.com",
+            Style::default().fg(palette::DEEPSEEK_SKY),
+        )),
+        Line::from(""),
+    ];
 
     let masked = mask_key(&app.api_key_input);
     let display = if masked.is_empty() {

src/tui/session_picker.rs

@@ -82,8 +82,8 @@ impl SessionPickerView {
             self.filtered = self
                 .sessions
                 .iter()
-                .cloned()
                 .filter(|session| fuzzy_match(&query, session))
+                .cloned()
                 .collect();
         }
 
@@ -140,9 +140,7 @@ impl SessionPickerView {
     }
 
     fn delete_selected(&mut self) -> Option<ViewEvent> {
-        let Some(session) = self.selected_session().cloned() else {
-            return None;
-        };
+        let session = self.selected_session().cloned()?;
         let manager = SessionManager::default_location().ok()?;
         if let Err(err) = manager.delete_session(&session.id) {
             self.status = Some(format!("Delete failed: {err}"));
@@ -337,6 +335,7 @@ impl ModalView for SessionPickerView {
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 fn build_list_lines(
     sessions: &[SessionMetadata],
     selected: usize,