Show parent name in terminal output (Class::method_name)

crates/sem-cli/src/formatters/terminal.rs

@@ -104,12 +104,21 @@ pub fn format_terminal(result: &DiffResult, verbose: bool) -> String {
             };
 
             let type_label = format!("{:<10}", change.entity_type);
-            let name_display = if let Some(ref old_name) = change.old_entity_name {
+            let base_name = if let Some(ref old_name) = change.old_entity_name {
                 format!("{old_name} -> {}", change.entity_name)
             } else {
                 change.entity_name.clone()
             };
-            let name_label = format!("{:<25}", name_display);
+            let display_name = match &change.parent_name {
+                Some(p) => format!("{p}::{base_name}"),
+                None => base_name,
+            };
+            let truncated = if display_name.len() > 25 {
+                format!("{}…", display_name.char_indices().nth(24).map(|(i, _)| &display_name[..i]).unwrap_or(&display_name))
+            } else {
+                display_name
+            };
+            let name_label = format!("{:<25}", truncated);
 
             lines.push(format!(
                 "{}  {} {} {} {}",

crates/sem-core/src/model/change.rs

@@ -35,6 +35,8 @@ pub struct SemanticChange {
     pub entity_name: String,
     #[serde(default)]
     pub entity_line: usize,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub parent_name: Option<String>,
     pub file_path: String,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub old_entity_name: Option<String>,

crates/sem-core/src/model/identity.rs

@@ -3,6 +3,12 @@ use std::collections::{HashMap, HashSet};
 use super::change::{ChangeType, SemanticChange};
 use super::entity::SemanticEntity;
 
+/// Extracts the leaf name from a parent_id string (last "::" segment).
+fn parent_name(entity: &SemanticEntity) -> Option<String> {
+    let pid = entity.parent_id.as_ref()?;
+    pid.rsplit("::").next().map(String::from)
+}
+
 pub struct MatchResult {
     pub changes: Vec<SemanticChange>,
 }
@@ -43,6 +49,7 @@ fn make_change(
         entity_type: primary.entity_type.clone(),
         entity_name: primary.name.clone(),
         entity_line: primary.start_line,
+        parent_name: parent_name(primary),
         file_path: primary.file_path.clone(),
         old_entity_name: before_entity.and_then(|b| {
             (b.name != after_entity.name).then(|| b.name.clone())

crates/sem-core/src/parser/differ.rs

@@ -249,6 +249,7 @@ fn detect_orphan_changes(
         entity_type: "orphan".to_string(),
         entity_name: "module-level".to_string(),
         entity_line: 0,
+        parent_name: None,
         file_path: file.file_path.clone(),
         old_entity_name: None,
         old_file_path: None,