Add AI Copilot module

[ivokwee]

Summary

• Adds AI-related functions to support the AI Copilot module in omicsplayground
• Removes debug logging from ai.create_report()

Dependencies

⚠️ Note: This PR is required for the corresponding omicsplayground PR #1683.

Test plan

• Verify AI functions work correctly with the omicsplayground AI Copilot module
• Confirm existing functionality remains unaffected

🤖 Generated with Claude Code

[ESCRI11]

im trying to update the NAMESPACE to include the new exports and I run into this error

rror in match(x, table, nomatch = 0L) : 
  'S4SXP': should not happen - please report
Calls: <Anonymous> ... roclet_process.roclet_namespace -> warn_missing_s3_exports -> %in%
Execution halted

is my laptop problem or something is wrong?

[ESCRI11]

Ok so it seems its just my issue, fantastic