[log] Add debug logging to CLI gateway, interactive, and trial repository functions

[github-actions]

Summary

Enhanced 3 Go files in the pkg/cli/ directory with meaningful debug logging statements to improve troubleshooting and development workflow visibility.

Changes

pkg/cli/gateway_logs.go (613 lines)

• Added logging to processGatewayLogEntry() - logs event processing details (event type, server, tool)
• Added logging to calculateGatewayAggregates() - logs aggregate calculation for servers
• Added logging to extractMCPToolUsageData() - logs MCP tool usage data extraction from log directory
• Added logging to displayAggregatedGatewayMetrics() - logs aggregation process across multiple runs

pkg/cli/interactive.go (510 lines)

• Added logging to promptForWorkflowName() - logs when prompting user for workflow name
• Added logging to promptForConfiguration() - logs when prompting for workflow configuration
• Added logging to generateWorkflowContent() - logs workflow content generation with engine, tools, and outputs

pkg/cli/trial_repository.go (473 lines)

• Added logging to cleanupTrialRepository() - logs trial repository cleanup operations
• Added logging to cloneTrialHostRepository() - logs trial host repository cloning

Validation

• ✅ make build - No compilation errors
• ✅ make test-unit - All tests passed

Impact

These logging additions follow the project's logging guidelines from AGENTS.md:

• Uses existing package-level loggers (gatewayLogsLog, interactiveLog, trialRepoLog)
• Log statements have no side effects
• Provides helpful debugging context for CLI operations
• Complements existing logging infrastructure

The enhanced logging will help developers and users troubleshoot:

• MCP gateway log parsing and metrics aggregation issues
• Interactive workflow creation flow
• Trial mode repository setup and cleanup

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