From 0652a232747c8c742aad05d15dc80aad33a32671 Mon Sep 17 00:00:00 2001
From: CheapestInference <team@cheapestinference.com>
Date: Sun, 29 Mar 2026 03:52:16 +0200
Subject: [PATCH] fix: improve foreground process detection for macOS
 compatibility

Expand default foreground command list beyond node/claude to include
npx, tsx, bun, deno. Log actual detected process name for debugging.
Add configurable foregroundCommands in ~/.claude-auto-retry.json.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 package.json         |  2 +-
 src/config.js        |  5 +++++
 src/monitor.js       |  8 +++++---
 test/monitor.test.js | 15 +++++++++++++++
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/package.json b/package.json
index 9d4ac17..d99fb3b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "claude-auto-retry",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Automatically retry Claude Code sessions when hitting Anthropic subscription rate limits",
   "type": "module",
   "bin": {
diff --git a/src/config.js b/src/config.js
index a8c6a68..054056a 100644
--- a/src/config.js
+++ b/src/config.js
@@ -28,6 +28,11 @@ function validate(cfg) {
   if (!Array.isArray(cfg.customPatterns)) {
     cfg.customPatterns = DEFAULT_CONFIG.customPatterns;
   }
+  if (cfg.foregroundCommands !== undefined) {
+    if (!Array.isArray(cfg.foregroundCommands) || cfg.foregroundCommands.length === 0) {
+      delete cfg.foregroundCommands;
+    }
+  }
   return cfg;
 }
 
diff --git a/src/monitor.js b/src/monitor.js
index 377871f..72e54b1 100644
--- a/src/monitor.js
+++ b/src/monitor.js
@@ -4,7 +4,7 @@ import { capturePane, sendKeys, getPaneCommand } from './tmux.js';
 import { loadConfig } from './config.js';
 import { createLogger } from './logger.js';
 
-const CLAUDE_COMMANDS = ['node', 'claude'];
+const DEFAULT_FOREGROUND_COMMANDS = ['node', 'claude', 'npx', 'tsx', 'bun', 'deno'];
 
 export function createMonitorState() {
   return { status: 'monitoring', waitUntil: 0, attempts: 0, lastRateLimitMessage: null };
@@ -35,9 +35,11 @@ export async function processOneTick(state, tmuxAdapter, pane, config, isAlive)
     }
 
     const fg = await tmuxAdapter.getPaneCommand(pane);
-    if (!CLAUDE_COMMANDS.some(c => fg.toLowerCase().includes(c))) {
+    const fgCommands = config.foregroundCommands || DEFAULT_FOREGROUND_COMMANDS;
+    if (!fgCommands.some(c => fg.toLowerCase().includes(c))) {
       // Push waitUntil forward to avoid tight-loop polling every tick
       state.waitUntil = Date.now() + (config.pollIntervalSeconds * 1000 * 6);
+      state._lastForeground = fg;
       return 'skipped-not-claude';
     }
 
@@ -89,7 +91,7 @@ export async function startMonitor(pane, pid) {
       if (result === 'retried') await logger.info(`Sent retry message (attempt ${state.attempts})`);
       if (result === 'user-continued') await logger.info('User already continued. Attempt counter reset.');
       if (result === 'max-retries') await logger.warn(`Max retries (${config.maxRetries}) reached. Monitor still active but will not send further retries until rate limit clears.`);
-      if (result === 'skipped-not-claude') await logger.warn('Foreground is not Claude. Skipping send-keys.');
+      if (result === 'skipped-not-claude') await logger.warn(`Foreground is "${state._lastForeground}", not Claude. Skipping send-keys. (Add to foregroundCommands in ~/.claude-auto-retry.json if this is wrong)`);
     } catch (err) {
       consecutiveErrors++;
       await logger.error(`Monitor tick error: ${err.message}`).catch(() => {});
diff --git a/test/monitor.test.js b/test/monitor.test.js
index b50c828..900db25 100644
--- a/test/monitor.test.js
+++ b/test/monitor.test.js
@@ -55,6 +55,21 @@ describe('processOneTick', () => {
     s.waitUntil = Date.now() - 1000; s.status = 'waiting';
     assert.equal(await processOneTick(s, t, '%0', DEFAULT_CONFIG, () => true), 'skipped-not-claude');
     assert.equal(t._sent.length, 0);
+    assert.equal(s._lastForeground, 'vim');
+  });
+  it('accepts custom foregroundCommands from config', async () => {
+    const t = mockTmux('5-hour limit reached - resets 3pm (UTC)', 'my-claude-wrapper');
+    const s = createMonitorState();
+    s.waitUntil = Date.now() - 1000; s.status = 'waiting';
+    const config = { ...DEFAULT_CONFIG, foregroundCommands: ['my-claude-wrapper'] };
+    assert.equal(await processOneTick(s, t, '%0', config, () => true), 'retried');
+    assert.equal(t._sent.length, 1);
+  });
+  it('matches npx as default foreground command', async () => {
+    const t = mockTmux('5-hour limit reached - resets 3pm (UTC)', 'npx');
+    const s = createMonitorState();
+    s.waitUntil = Date.now() - 1000; s.status = 'waiting';
+    assert.equal(await processOneTick(s, t, '%0', DEFAULT_CONFIG, () => true), 'retried');
   });
   it('resets counter when rate limit disappears', async () => {
     const t = mockTmux('Claude is working normally');