chore: Add debug logging for MCP tool_use_id verification

NB - SOME TEST IS STALLING OUT RIGHT NOW! Needs a timeout/failure or something.

- Add console.debug logging in WUI to track tool_use_id in approval events
- Update CLAUDE.md documentation for test commands

claudecode-go/types.go

@@ -33,7 +33,7 @@ type MCPServer struct {
 	Command string            `json:"command,omitempty"`
 	Args    []string          `json:"args,omitempty"`
 	Env     map[string]string `json:"env,omitempty"`
-	
+
 	// For HTTP servers
 	Type    string            `json:"type,omitempty"`    // "http" for HTTP servers
 	URL     string            `json:"url,omitempty"`     // The HTTP endpoint URL

hld/CLAUDE.md

@@ -6,7 +6,7 @@ The daemon logs are in ~/.humanlayer/logs/daemon-*.log (timestamped files create
 
 WUI logs (which include daemon stderr output) are in:
 - Development: `~/.humanlayer/logs/wui-{branch}/codelayer.log`
-- Production: Platform-specific log directories
+- Production: Platform-specific log directories, e.g. ~/Library/Logs/dev.humanlayer.wui.nightly/CodeLayer-Nightly.log
 
 It uses a database at ~/.humanlayer/*.db - you can access it with sqlite3 to inspect progress and debug things.
 
@@ -47,3 +47,9 @@ echo '{"jsonrpc":"2.0","method":"getSessionLeaves","params":{},"id":1}' | nc -U
 
 
 For testing guidelines and database isolation requirements, see TESTING.md
+
+
+### Go style guidelines
+
+- any async or long-running goroutine should accept a context.Context as a parameter and handle cancellation gracefully
+- context and CancelFuncs should never be stored on structs, always passed as the first parameter to a function

humanlayer-wui/src/hooks/useApprovals.ts

@@ -95,6 +95,16 @@ export function useApprovalsWithSubscription(sessionId?: string): UseApprovalsRe
           onEvent: event => {
             if (!isSubscribed) return
 
+            // Phase 7: Debug logging to verify tool_use_id flows through
+            if (event.type === 'new_approval' || event.type === 'approval_resolved') {
+              console.debug('Approval event with tool_use_id:', {
+                type: event.type,
+                approval_id: event.data?.approval_id,
+                tool_use_id: event.data?.tool_use_id,
+                data: event.data,
+              })
+            }
+
             // Handle different event types
             switch (event.type) {
               case 'new_approval':