feat(turborepo): added specific symbol for cache hit (#8869)

### Description

Added a cache hit symbol, `⊙` in purple. Also italicized the task name
for cache hits.

### Testing Instructions

<!--
  Give a quick description of steps to test your changes.
-->

crates/turborepo-lib/src/task_graph/visitor.rs

@@ -766,7 +766,8 @@ impl ExecContext {
         // If the task resulted in an error, do not group in order to better highlight
         // the error.
         let is_error = matches!(result, Ok(ExecOutcome::Task { .. }));
-        let logs = match output_client.finish(is_error) {
+        let is_cache_hit = matches!(result, Ok(ExecOutcome::Success(SuccessOutcome::CacheHit)));
+        let logs = match output_client.finish(is_error, is_cache_hit) {
             Ok(logs) => logs,
             Err(e) => {
                 telemetry.track_error(TrackedErrors::DaemonFailedToMarkOutputsAsCached);
@@ -1136,11 +1137,11 @@ impl<W: Write> CacheOutput for TaskCacheOutput<W> {
 
 /// Struct for displaying information about task
 impl<W: Write> TaskOutput<W> {
-    pub fn finish(self, use_error: bool) -> std::io::Result<Option<Vec<u8>>> {
+    pub fn finish(self, use_error: bool, is_cache_hit: bool) -> std::io::Result<Option<Vec<u8>>> {
         match self {
             TaskOutput::Direct(client) => client.finish(use_error),
             TaskOutput::UI(client) if use_error => Ok(Some(client.failed())),
-            TaskOutput::UI(client) => Ok(Some(client.succeeded())),
+            TaskOutput::UI(client) => Ok(Some(client.succeeded(is_cache_hit))),
         }
     }
 

crates/turborepo-ui/src/tui/event.rs

@@ -42,6 +42,7 @@ pub enum Event {
 pub enum TaskResult {
     Success,
     Failure,
+    CacheHit,
 }
 
 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]

crates/turborepo-ui/src/tui/handle.rs

@@ -99,8 +99,12 @@ impl TuiTask {
     }
 
     /// Mark the task as finished
-    pub fn succeeded(&self) -> Vec<u8> {
-        self.finish(TaskResult::Success)
+    pub fn succeeded(&self, is_cache_hit: bool) -> Vec<u8> {
+        if is_cache_hit {
+            self.finish(TaskResult::CacheHit)
+        } else {
+            self.finish(TaskResult::Success)
+        }
     }
 
     /// Mark the task as finished

crates/turborepo-ui/src/tui/table.rs

@@ -47,13 +47,26 @@ impl<'b> TaskTable<'b> {
 
     fn finished_rows(&self) -> impl Iterator<Item = Row> + '_ {
         self.tasks_by_type.finished.iter().map(move |task| {
+            let name = if matches!(task.result(), TaskResult::CacheHit) {
+                Cell::new(Text::styled(task.name(), Style::default().italic()))
+            } else {
+                Cell::new(task.name())
+            };
+
             Row::new(vec![
-                Cell::new(task.name()),
-                Cell::new(match task.result() {
+                name,
+                match task.result() {
                     // matches Next.js (and many other CLI tools) https://github.com/vercel/next.js/blob/1a04d94aaec943d3cce93487fea3b8c8f8898f31/packages/next/src/build/output/log.ts
-                    TaskResult::Success => Text::styled("✓", Style::default().green().bold()),
-                    TaskResult::Failure => Text::styled("⨯", Style::default().red().bold()),
-                }),
+                    TaskResult::Success => {
+                        Cell::new(Text::styled("✓", Style::default().green().bold()))
+                    }
+                    TaskResult::CacheHit => {
+                        Cell::new(Text::styled("⊙", Style::default().magenta()))
+                    }
+                    TaskResult::Failure => {
+                        Cell::new(Text::styled("⨯", Style::default().red().bold()))
+                    }
+                },
             ])
         })
     }