Critical failures across naming, descriptions, and schemas. 30 tools listed but many lack visible schema definitions in source code. Duplicate tool names (snapshot, click, type, scroll appear 2-3 times each) violate single-responsibility principle. Descriptions are minimal (10-50 chars) and lack LLM-optimized guidance on WHEN to use each tool or what it returns. No parameter descriptions visible for most tools (e.g., 'drag' and 'mouse' have empty input schemas). No output schemas documented. Error handling and recovery guidance absent. Tool definitions appear scattered across multiple files (cli/src/commands/mod.rs, extension/src/content/index.ts, daemon/src/ws-server.ts) with no unified registration visible in source.

• Consolidate duplicate tools: merge snapshot variants into one 'snapshot' with optional timeout param; merge click/dblclick into 'click' with optional count param; merge scroll variants into one 'scroll' with direction + amount + optional ref.
• Add output schemas for all tools. E.g., snapshot returns {data: string, format: 'png'|'jpeg'}, find returns {elements: [{ref: string, selector: string, text: string}]}, tab_list returns {tabs: [{id: string, url: string, title: string}], active_tab_id: string}.
• Expand descriptions to 100-200 chars with WHEN/WHY guidance. E.g., 'Click an element by reference. Use after find() to locate the element. Returns success or error if element not found or not clickable.'
• Add parameter descriptions for all inputs. E.g., 'ref: Element reference identifier returned by find(). Can be CSS selector or element ID.' Specify constraints: 'direction: one of up|down|left|right'.
• Add error handling guidance. E.g., 'If element not found, call find() first with a selector. If click fails due to overlay, try scrollintoview() first.' Implement recovery patterns per pattern:recovery-guide.