Refine

Author: imnasnainaec

AGENTS.md

@@ -99,7 +99,7 @@ Key invariants: `Segment.baselineText.slice(charStart, charEnd) === Token.surfac
 
 ## Testing
 
-Jest with ts-jest, jsdom environment. PAPI is fully mocked in `__mocks__/`. Coverage is enforced at 100% on all `src/**` files (branches, functions, lines, statements).
+Jest with ts-jest, jsdom environment. PAPI is fully mocked in `__mocks__/`. Coverage is enforced at 100% on all `src/**` files (branches, functions, lines, statements), aside for select explicit exclusions.
 
 `resetMocks: true` is set globally — mock implementations are cleared before every test, so each test must set up its own mocks (typically in `beforeEach`). Never rely on implementation state leaking from a prior test.
 

jest.config.ts

@@ -29,13 +29,14 @@ const config: Config = {
    */
   collectCoverage: false,
 
-  /** Collect coverage from all source files. Excludes type declarations, test files, and utils. */
+  /** Collect coverage from all source files. Excludes tests, types, and select utils. */
   collectCoverageFrom: [
     'src/**/*.{ts,tsx}',
     '!src/**/*.d.ts',
     '!src/**/__tests__/**',
     '!src/**/*.test.{ts,tsx}',
     '!src/**/*.spec.{ts,tsx}',
+    '!src/types/**',
     '!src/utils/interlinear-project-summary.ts',
   ],
 
@@ -54,7 +55,7 @@ const config: Config = {
   /** Ts-jest compiles TS to JS; V8 instruments it for coverage. */
   coverageProvider: 'v8',
 
-  /** Enforce 100% coverage on parsers, main, and web-view. */
+  /** Enforce 100% coverage on parsers, main, and web-view (except where explicitly excluded). */
   coverageThreshold: {
     global: {
       branches: 100,