From c8682dd7002613ee8ae187e8ea6d33bad0a70c84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alejandro=20Guti=C3=A9rrez?=
 <35082514+alezmad@users.noreply.github.com>
Date: Mon, 6 Apr 2026 10:55:54 +0100
Subject: [PATCH] fix(cli): deduplicate --dangerously-load-development-channels
 flag

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 apps/cli/package.json           |  2 +-
 apps/cli/src/commands/launch.ts | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/apps/cli/package.json b/apps/cli/package.json
index 53fb361..1dd187a 100644
--- a/apps/cli/package.json
+++ b/apps/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "claudemesh-cli",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "description": "Claude Code MCP client for claudemesh — peer mesh messaging between Claude sessions.",
   "keywords": [
     "claude-code",
diff --git a/apps/cli/src/commands/launch.ts b/apps/cli/src/commands/launch.ts
index b809dd4..b4fffae 100644
--- a/apps/cli/src/commands/launch.ts
+++ b/apps/cli/src/commands/launch.ts
@@ -195,10 +195,20 @@ export async function runLaunch(extraArgs: string[]): Promise<void> {
   if (!args.quiet) printBanner(displayName, mesh.slug);
 
   // 6. Spawn claude with ephemeral config + dev channel + display name.
+  //    Strip any user-supplied --dangerously-load-development-channels
+  //    to avoid duplicates — we always inject our own.
+  const filtered: string[] = [];
+  for (let i = 0; i < args.claudeArgs.length; i++) {
+    if (args.claudeArgs[i] === "--dangerously-load-development-channels") {
+      i++; // skip the next arg (the channel value) too
+      continue;
+    }
+    filtered.push(args.claudeArgs[i]!);
+  }
   const claudeArgs = [
     "--dangerously-load-development-channels",
     "server:claudemesh",
-    ...args.claudeArgs,
+    ...filtered,
   ];
 
   const isWindows = process.platform === "win32";