From 83ed0d42a477097c7d630eb88197d5ce92f6320e Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Wed, 11 Mar 2026 09:15:56 -0400
Subject: [PATCH] Add spinner to `arc doctor` for immediate feedback

The command takes several seconds (especially with live probes) but
previously showed no output until fully complete. Now a braille spinner
animates while checks run.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 lib/crates/arc-cli/Cargo.toml    |  1 +
 lib/crates/arc-cli/src/doctor.rs | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/crates/arc-cli/Cargo.toml b/lib/crates/arc-cli/Cargo.toml
index 04c702a4f..354db6dc5 100644
--- a/lib/crates/arc-cli/Cargo.toml
+++ b/lib/crates/arc-cli/Cargo.toml
@@ -26,6 +26,7 @@ arc-api = { path = "../arc-api", optional = true }
 arc-util = { path = "../arc-util" }
 clap.workspace = true
 console.workspace = true
+indicatif.workspace = true
 daytona-sdk.workspace = true
 anyhow.workspace = true
 dotenvy.workspace = true
diff --git a/lib/crates/arc-cli/src/doctor.rs b/lib/crates/arc-cli/src/doctor.rs
index 5b1b025c2..45efda0ff 100644
--- a/lib/crates/arc-cli/src/doctor.rs
+++ b/lib/crates/arc-cli/src/doctor.rs
@@ -921,6 +921,15 @@ async fn probe_url(http: &reqwest::Client, url: &str) -> Result<(), String> {
 pub async fn run_doctor(verbose: bool, live: bool) -> i32 {
     let styles = Styles::detect_stdout();
 
+    let spinner = indicatif::ProgressBar::new_spinner();
+    spinner.set_style(
+        indicatif::ProgressStyle::with_template("{spinner:.cyan} {msg}")
+            .expect("valid template")
+            .tick_strings(&["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏", ""]),
+    );
+    spinner.set_message("Running checks…");
+    spinner.enable_steady_tick(std::time::Duration::from_millis(80));
+
     // Gather state
     let cli_config = arc_config::cli::load_cli_config(None).unwrap_or_default();
 
@@ -1128,6 +1137,8 @@ pub async fn run_doctor(verbose: bool, live: bool) -> i32 {
         checks,
     };
 
+    spinner.finish_and_clear();
+
     let term_width = console::Term::stderr().size().1;
     print!(
         "{}",