chore(lint): enable no-useless-escape

[HAYDEN-OAI]

• I understand that this repository is auto-generated and my pull request may not be merged

Changes being requested

• Remove the no-useless-escape compatibility exception from oxlint.config.ts.
• Remove the 3 redundant escapes while preserving the email regex character-class semantics.

Additional context & links

• Oxlint cleanup stack, part 68; stacked on chore(lint): enable jsdoc/check-tag-names #2147.
• Preserves generated-file exclusions and repository-specific import policy.

Validation

• pnpm lint
• pnpm exec tsc --pretty false
• pnpm exec vitest run --config vitest.config.mts --update=none

Stack

#2141
#2143
#2144
#2145
#2146
#2147
#2148 👈 this PR
#2149

[jbeckwith-oai]

The no-useless-escape activation and two cleanup edits are behavior-preserving; lint, targeted path tests, regex equivalence checks, file sizes, and exact-head CI are clean.

[openai-sdks]

OkTest Summary

✅ 237/237 SDK tests passed in 9.098s for Node SDK PR #2148.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	116ms
tests/chat-completions-create.test.ts	✅ Passed	146ms
tests/chat-completions-stream.test.ts	✅ Passed	230ms
tests/files-content-binary.test.ts	✅ Passed	120ms
tests/files-create-multipart.test.ts	✅ Passed	101ms
tests/files-list-pagination.test.ts	✅ Passed	165ms
tests/initialize-config.test.ts	✅ Passed	149ms
tests/instance-isolation.test.ts	✅ Passed	113ms
tests/models-list.test.ts	✅ Passed	99ms
tests/responses-background-lifecycle.test.ts	✅ Passed	143ms
tests/responses-body-method-errors.test.ts	✅ Passed	302ms
tests/responses-cancel-timeout.test.ts	✅ Passed	213ms
tests/responses-cancel.test.ts	✅ Passed	171ms
tests/responses-compact-retries.test.ts	✅ Passed	186ms
tests/responses-compact.test.ts	✅ Passed	170ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	98ms
tests/responses-create-advanced.test.ts	✅ Passed	147ms
tests/responses-create-disconnect.test.ts	✅ Passed	1.089s
tests/responses-create-errors.test.ts	✅ Passed	166ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	130ms
tests/responses-create-retries.test.ts	✅ Passed	184ms
tests/responses-create-stream-failures.test.ts	✅ Passed	155ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	2.161s
tests/responses-create-stream-wire.test.ts	✅ Passed	2.18s
tests/responses-create-stream.test.ts	✅ Passed	63ms
tests/responses-create-terminal-states.test.ts	✅ Passed	188ms
tests/responses-create-timeout.test.ts	✅ Passed	199ms
tests/responses-create.test.ts	✅ Passed	127ms
tests/responses-delete.test.ts	✅ Passed	117ms
tests/responses-input-items-errors.test.ts	✅ Passed	255ms
tests/responses-input-items-list.test.ts	✅ Passed	211ms
tests/responses-input-items-options.test.ts	✅ Passed	87ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	216ms
tests/responses-input-tokens-count.test.ts	✅ Passed	176ms
tests/responses-malformed-inputs.test.ts	✅ Passed	1.819s
tests/responses-not-found-errors.test.ts	✅ Passed	250ms
tests/responses-parse.test.ts	✅ Passed	160ms
tests/responses-retrieve-retries.test.ts	✅ Passed	188ms
tests/responses-retrieve.test.ts	✅ Passed	155ms
tests/responses-stored-method-errors.test.ts	✅ Passed	490ms
tests/retry-behavior.test.ts	✅ Passed	2.999s
tests/sdk-error-shape.test.ts	✅ Passed	204ms

View OkTest run #31231229477

_{SDK merge (f4744ea2aeca) · head (b6b62ce24093) · base (f7e60a9958d7) · OkTest (91635c6a2723)}