[log] Add debug logging to 5 key Go files

[github-actions]

Summary

Added meaningful debug logging statements to 5 strategic files to help with troubleshooting and development:

• pkg/cli/run_command.go - Workflow run operations logging
• pkg/parser/schema.go - Schema validation logging
• pkg/workflow/expressions.go - Expression parsing logging
• pkg/cli/audit.go - Audit operations logging
• pkg/workflow/permissions.go - Permissions handling logging

Details

Files Enhanced

1. pkg/cli/run_command.go (runLog)

   • Logs workflow validation (local vs remote)
   • Logs workflow trigger success
   • Logs workflow run URLs and database IDs

2. pkg/parser/schema.go (schemaLog)

   • Logs validation of main workflow frontmatter
   • Logs validation of included file frontmatter
   • Logs engine-specific rule validation

3. pkg/workflow/expressions.go (expressionsLog)

   • Logs expression parsing attempts
   • Logs tokenization failures
   • Logs successful parsing with token count
   • Logs when breaking long expressions

4. pkg/cli/audit.go (auditLog)

   • Logs audit start with run metadata
   • Logs output directory configuration
   • Logs artifact download operations

5. pkg/workflow/permissions.go (permissionsLog)

   • Logs permissions parser creation
   • Logs YAML parsing with content length
   • Logs contents read access determinations

Guidelines Followed

✅ Maximum 5 files per PR (exactly 5 files modified)
✅ No test files modified
✅ Logger naming convention: pkg:filename pattern
✅ Logger arguments have no side effects
✅ Meaningful, helpful messages for debugging
✅ No duplication with user-facing messages

Test Plan

• ✅ Compiled successfully with make build
• ✅ Tested debug output with DEBUG=* ./gh-aw compile dev
• ✅ Verified logging appears correctly in debug output
• ✅ All loggers use correct naming conventions

Example Debug Output

cli:compile_command Starting workflow compilation: files=1, validate=true, watch=false, noEmit=false
parser:schema Validating engine-specific rules for string engine: copilot
workflow:expressions Parsing expression: github.repository
workflow:expressions Successfully parsed expression with 2 tokens
workflow:permissions Creating new permissions parser
workflow:permissions Parsing permissions YAML: length=45

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[Copilot]

@pelikhan I've opened a new pull request, #2126, to work on those changes. Once the pull request is ready, I'll request review from you.

[pelikhan]

@copilot review verbose logging and migrate to use logger inthode

[Copilot]

@pelikhan I've opened a new pull request, #2130, to work on those changes. Once the pull request is ready, I'll request review from you.