feat: OpenAPI coverage, test generation, and spec diff/impact analysis - #54
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Add three linked capabilities on top of the existing contract testing, each with a pure shared engine, a CLI command, and a UI surface. Coverage (src/shared/coverage.ts, cli/coverage.ts) - Map an OpenAPI 3.x spec's operations to workspace requests: operations tested, declared response codes covered, negative tests, never-tested ops. - Run-aware: `--runs <report.json>` (CLI) and in-app request history credit response codes and response-schema properties actually seen. - `api-spector coverage --fail-under <pct>` gates CI; Coverage panel in the app. Test generation (src/shared/openapi-testgen.ts, cli/generate-tests.ts) - Generate happy-path (with response-schema assertion), negative, and boundary tests from a spec; schema-aware value sampling; $ref resolution. - `api-spector generate-tests [--untested-only]`; "Generate tests for N gaps" in the Coverage panel adds them as a collection. API diff & impact (src/shared/openapi-diff.ts, cli/compare.ts) - Classify changes between two specs as breaking/non-breaking (removed op, new required field, type change, dropped response field, required param). - `api-spector compare old new --workspace` maps breaking changes to the tests they affect and gives a deploy verdict; `--fail-on-breaking` gates CI. - Compare panel in the app. Also: coverage:loadSpec IPC + preload bridge, addCollectionObject store action, settings.coverageSpec, and reference docs (coverage, test-generation, api-diff). Adds coverage/openapi-testgen/openapi-diff test suites.
The bare `coverage` rule (for vitest test-coverage output) also matched the src/renderer/src/components/Coverage/ folder on case-insensitive filesystems, so `git add` silently skipped CoverageModal.tsx and it was missing from the build (App.tsx imports it, CI could not resolve it). Anchor the rule to /coverage and add the file.
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Add three linked capabilities on top of the existing contract testing, each with a pure shared engine, a CLI command, and a UI surface.
Coverage (src/shared/coverage.ts, cli/coverage.ts)
--runs <report.json>(CLI) and in-app request history credit response codes and response-schema properties actually seen.api-spector coverage --fail-under <pct>gates CI; Coverage panel in the app.Test generation (src/shared/openapi-testgen.ts, cli/generate-tests.ts)
api-spector generate-tests [--untested-only]; "Generate tests for N gaps" in the Coverage panel adds them as a collection.API diff & impact (src/shared/openapi-diff.ts, cli/compare.ts)
api-spector compare old new --workspacemaps breaking changes to the tests they affect and gives a deploy verdict;--fail-on-breakinggates CI.Also: coverage:loadSpec IPC + preload bridge, addCollectionObject store action, settings.coverageSpec, and reference docs (coverage, test-generation, api-diff). Adds coverage/openapi-testgen/openapi-diff test suites.