Claude Code 2.1.178 — nested skills, tighter permissions
Claude Code v2.1.178 ships permission-rule syntax for tool input parameters, nested .claude/ directory precedence, and a classifier gate on subagent spawns.
• Tool(param:value) syntax in permission rules; Agent(model:opus) blocks Opus subagents
• Skills in nested .claude/skills/ load with <dir>:<name> disambiguation on clash
• Closest .claude/ workflow/agent/output-style wins; project-scope saves target nearest directory
• Auto mode now classifies subagent requests before launch; closes review bypass gap
• /doctor command: flat tree layout, clearer status icons, highlighted entries