From 6f4b2c97a24967508f3970b46999052fd1f44e67 Mon Sep 17 00:00:00 2001
From: Omni Worker <bot@omni.agent>
Date: Fri, 21 Nov 2025 22:22:07 -0500
Subject: fix(agent): simple ascii status bar to avoid xterm errors

Amp-Thread-ID:
https://ampcode.com/threads/T-79499d9e-f4f4-40de-893c-524c32a45483
Co-authored-by: Amp <amp@ampcode.com>
---
 Omni/Agent/Log.hs | 34 +++++++++++++++++++++-------------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/Omni/Agent/Log.hs b/Omni/Agent/Log.hs
index 6541551..afaf1da 100644
--- a/Omni/Agent/Log.hs
+++ b/Omni/Agent/Log.hs
@@ -6,11 +6,11 @@
 module Omni.Agent.Log where
 
 import Alpha
+import Data.IORef (IORef, modifyIORef', newIORef, readIORef, writeIORef)
 import qualified Data.Text.IO as TIO
 import qualified System.Console.ANSI as ANSI
 import qualified System.IO as IO
 import System.IO.Unsafe (unsafePerformIO)
-import Data.IORef (IORef, newIORef, readIORef, writeIORef, modifyIORef')
 
 -- | Status of the agent for the UI
 data Status = Status
@@ -42,6 +42,7 @@ currentStatus = unsafePerformIO (newIORef (emptyStatus "Unknown"))
 -- | Initialize the status bar system
 init :: Text -> IO ()
 init workerName = do
+  IO.hSetBuffering IO.stderr IO.LineBuffering
   writeIORef currentStatus (emptyStatus workerName)
   -- Reserve 2 lines at bottom
   IO.hPutStrLn IO.stderr ""
@@ -66,10 +67,10 @@ log msg = do
   ANSI.hCursorDown IO.stderr 1
   ANSI.hClearLine IO.stderr
   ANSI.hCursorUp IO.stderr 1
-  
+
   -- Print message (scrolls screen)
   TIO.hPutStrLn IO.stderr msg
-  
+
   -- Re-render status bars at bottom
   -- (Since we scrolled, we are now on the line above where the first status line should be)
   render
@@ -78,26 +79,33 @@ log msg = do
 render :: IO ()
 render = do
   Status {..} <- readIORef currentStatus
-  
+
   -- Line 1: Meta
   -- [Worker: name] Task: t-123 | Files: 3 | Credits: $0.45 | Time: 05:23
   let taskStr = maybe "None" identity statusTask
-      meta = "[Worker: " <> statusWorker <> "] Task: " <> taskStr 
-             <> " | Files: " <> tshow statusFiles 
-             <> " | Credits: $" <> tshow statusCredits 
-             <> " | Time: " <> statusTime
-  
+      meta =
+        "[Worker: "
+          <> statusWorker
+          <> "] Task: "
+          <> taskStr
+          <> " | Files: "
+          <> tshow statusFiles
+          <> " | Credits: $"
+          <> tshow statusCredits
+          <> " | Time: "
+          <> statusTime
+
   ANSI.hSetCursorColumn IO.stderr 0
   ANSI.hClearLine IO.stderr
   TIO.hPutStr IO.stderr meta
-  
+
   -- Line 2: Activity
-  -- [14:05:22] 🤖 Thinking...
+  -- [14:05:22] > Thinking...
   ANSI.hCursorDown IO.stderr 1
   ANSI.hSetCursorColumn IO.stderr 0
   ANSI.hClearLine IO.stderr
-  TIO.hPutStr IO.stderr ("🤖 " <> statusActivity)
-  
+  TIO.hPutStr IO.stderr ("> " <> statusActivity)
+
   -- Return cursor to line 1
   ANSI.hCursorUp IO.stderr 1
   IO.hFlush IO.stderr
-- 
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