chore(deps): update dependency @types/lodash to v4.17.25 - #89

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Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​@​types/​lodash@​4.17.24 ⏵ 4.17.25			+1	-1

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Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

Version Change: @types/lodash v4.17.24 → v4.17.25

Release Information:

• Published: August 1, 2026 (5 months after v4.17.24 from February 23, 2026)
• TypeScript Support: Adds official support for TypeScript 5.6, 5.7, 5.8, 5.9, and 6.0
• Package Type: TypeScript type definitions (dev dependency only)
• Change Scope: Type definition updates, no runtime code changes

Key Changes:

• Primary update is TypeScript 5.6+ compatibility with refined type definitions
• Content hash changed from 6d5f9d074e23fea95ae8ef8f188116218dbc1b67c538bd01d89810cceb550268 to 5b89763740a3523d5295cc411a286fab1b0799800b598f81ec76d2f90a1ffce3, indicating type definition improvements
• No breaking changes to API surface
• Continues to maintain backward compatibility with earlier TypeScript versions (dist-tags show support from TS 2.0 onwards)

Recent Type Definition Improvements (from DefinitelyTyped commits):

• Enhanced tuple overloads for zip/unzip operations
• Fixed comparator signatures (e.g., intersectionWith)
• Improved type inference for string manipulation functions
• Better generic type constraints
• Refined readonly array handling

🎯 Impact Scope Investigation

Direct Package Usage:

• @types/lodash is installed in /internal/sandbox/defaults/node-typescript/ as a devDependency
• Runtime lodash version: 4.18.1 (unchanged by this PR)
• This is a test/example package.json for the TypeScript sandbox runtime environment

Codebase Usage Analysis:

• No production usage: The sandbox service itself (written in Go) does not use lodash or @types/lodash
• Test usage only: Found in E2E test files as demonstration code:
  • e2e/tests/runtime/node-typescript.yml:510-516 - Tests TypeScript compilation with lodash imports (import _ from "lodash" with _.chunk())
  • e2e/tests/runtime/node.yml:426-430 - Tests Node.js lodash usage (CommonJS require)

Dependency Impact:

• No transitive dependency conflicts
• No impact on other packages (isolated to node-typescript runtime defaults)
• TypeScript compiler version in the environment: 5.9.3 (within supported range of 4.17.25)

Configuration Impact:

• No build configuration changes required
• No Docker configuration changes required
• No runtime behavior changes (types are stripped during compilation)

💡 Recommended Actions

Immediate Actions:

1. ✅ Safe to merge immediately - This is a routine type definition update with no breaking changes
2. Run E2E tests after merge to verify TypeScript compilation continues to work correctly (existing test at e2e/tests/runtime/node-typescript.yml:502-535)

No Manual Migration Required:

• Type definitions are compile-time only and do not affect runtime behavior
• Existing test code using lodash (_.chunk() calls) will continue to work
• TypeScript 5.9.3 is fully compatible with @types/lodash 4.17.25

Post-Merge Validation:

# After merging, validate with:
docker compose down && docker compose up --build -d
go test -tags e2e ./e2e/... -run "node-typescript.*lodash"

Benefits of Merging:

• Improved TypeScript type accuracy and inference
• Better IDE autocomplete and error detection for lodash usage
• Future-proofing for TypeScript 5.6+ upgrades
• Stays current with DefinitelyTyped community improvements

🔗 Reference Links

• @types/lodash on npm
• DefinitelyTyped Repository - lodash types
• Release Alert - @types/lodash versions
• @types/lodash Package Security Analysis

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