fix: import randomUUID from node crypto

[mturac]

Summary

• import randomUUID from node:crypto in the shared schema module
• remove the bare global crypto.randomUUID() dependency from generated ids
• keep the generated id format unchanged

Tests

• git diff --check
• npm test -- test/schema.test.ts
• npm run build
• ! rg -n "crypto\.randomUUID\(" dist

Closes #715

Summary by CodeRabbit

• Chores
  • Updated internal ID generation implementation with no changes to functionality or user-facing behavior.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: cd821084-4727-49fa-8351-19124240180d

📥 Commits

Reviewing files that changed from the base of the PR and between d442fee and 070bc57.

📒 Files selected for processing (1)

• src/state/schema.ts

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📝 Walkthrough

Walkthrough

src/state/schema.ts adds randomUUID to its node:crypto import and updates the generateId function to call the imported randomUUID() directly instead of crypto.randomUUID(), fixing compatibility with Node.js < 19.

Changes

Crypto Compatibility Fix

Layer / File(s)	Summary
Update crypto import and generateId usage src/state/schema.ts	The node:crypto import is updated to include randomUUID, and the generateId function is changed to call randomUUID() directly instead of accessing crypto.randomUUID() globally.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A rabbit hops through code so neat,
where randomUUID makes imports complete,
no more globals in the node—
just functions where the imports strode!

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: importing randomUUID from node:crypto to fix Node.js <19 compatibility.
Linked Issues check	✅ Passed	The PR addresses the core coding requirement from #715: importing randomUUID from node:crypto and updating generateId to use it.
Out of Scope Changes check	✅ Passed	The changes are narrowly scoped to the stated objective: only modifying src/state/schema.ts to import and use randomUUID from node:crypto.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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