fix(loop): improve error handling and use dangerously-skip-permissions (#1576)

.changeset/loop-error-handling.md

@@ -0,0 +1,10 @@
+---
+"task-master-ai": "patch"
+---
+
+Improve loop command error handling and use dangerously-skip-permissions
+
+- Add proper spawn error handling (ENOENT, EACCES) with actionable messages
+- Return error info from checkSandboxAuth and runInteractiveAuth instead of silent failures
+- Use --dangerously-skip-permissions for unattended loop execution
+- Fix null exit code masking issue

.changeset/loop-sandbox-optional.md

@@ -1,6 +1,5 @@
 ---
-"@tm/core": patch
-"@tm/cli": patch
+"task-master-ai": patch
 ---
 
 Make Docker sandbox mode opt-in for loop command