🛡️ Enhance Content Sanitization in Workflow Compiler

[dsyme]

Summary

• Improved content sanitization logic in collect_ndjson_output.cjs
• Added more robust handling of URLs, protocols, and command-line flags
• Enhanced safe-outputs workflow instructions in compiler

Key Changes

• Refined URL sanitization to preserve command-line flags with colons
• Improved protocol redaction while keeping specific patterns intact
• Updated workflow compiler to provide more detailed safe-outputs instructions
• Added comprehensive test cases for various sanitization scenarios

[pelikhan]

We should not allow xml comments which can hide things.