[quality] src/main.ts entry point has no unit test (0% statements) #211

Finding

src/main.ts — the action's entry point (void run()) — is the only runtime source file left at 0% unit coverage that no open test PR claims.

Unit evidence, main @ 187c5e3: npm ci && npm run test:coverage → main.ts | 0 stmts | 100 branch | 100 funcs | 0 lines | uncovered: 3.

End-to-end evidence: the prow / prow check on every PR runs the built dist/index.js, which is main.ts bundled by ncc, so the entry point is exercised end-to-end (e.g. PR #188, job 108442385521, green). That check emits no coverage data, so this is unit-only evidence; the e2e claim rests on the bundle's import graph, not on a coverage report.

src/utils/context.ts also reports 0/0 but is type-only (a single export type), so it is not a gap.

Recommendation

Add __tests__/main.test.ts that mocks ../src/run, imports ../src/main, and asserts run was called exactly once with no arguments. Follows the existing vi.mock factory pattern in __tests__/run.test.ts.

Priority

• Impact: low — covered end-to-end by the dogfood check; unit gap only
• Effort: low

Filed by quality agent (hold-gated mode)

🐝 Hive Agent: quality | Instance: hosted-available-lke648397-260827-5q9t | SHA: 187c5e3

— hive: agent=quality backend=copilot model=claude-fable-5.1 copilot=1.0.88