chore(lint): enable unicorn/prefer-dom-node-text-content

[HAYDEN-OAI]

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

Changes being requested

• Remove the unicorn/prefer-dom-node-text-content compatibility exception from oxlint.config.ts.
• Resolve the 2 existing handwritten-code diagnostics with focused, behavior-preserving cleanup.

Additional context & links

• Oxlint cleanup stack, part 53; stacked on chore(lint): enable unicorn/prefer-dom-node-append #2131.
• 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

#2129
#2130
#2131
#2132 👈 this PR
#2133
#2134
#2135
#2136
#2137
#2138
#2139
#2140
#2141

[jbeckwith-oai]

Reviewed exact head 840097d. textContent is the canonical match for these JSON result nodes and aligns with the test harness that reads textContent. Exact-head CI, including ecosystem tests, is green.

[openai-sdks]

OkTest Summary

✅ 237/237 SDK tests passed in 11.046s for Node SDK PR #2132.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	161ms
tests/chat-completions-create.test.ts	✅ Passed	231ms
tests/chat-completions-stream.test.ts	✅ Passed	234ms
tests/files-content-binary.test.ts	✅ Passed	148ms
tests/files-create-multipart.test.ts	✅ Passed	161ms
tests/files-list-pagination.test.ts	✅ Passed	161ms
tests/initialize-config.test.ts	✅ Passed	246ms
tests/instance-isolation.test.ts	✅ Passed	115ms
tests/models-list.test.ts	✅ Passed	166ms
tests/responses-background-lifecycle.test.ts	✅ Passed	249ms
tests/responses-body-method-errors.test.ts	✅ Passed	325ms
tests/responses-cancel-timeout.test.ts	✅ Passed	246ms
tests/responses-cancel.test.ts	✅ Passed	232ms
tests/responses-compact-retries.test.ts	✅ Passed	256ms
tests/responses-compact.test.ts	✅ Passed	244ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	154ms
tests/responses-create-advanced.test.ts	✅ Passed	177ms
tests/responses-create-disconnect.test.ts	✅ Passed	1.194s
tests/responses-create-errors.test.ts	✅ Passed	227ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	147ms
tests/responses-create-retries.test.ts	✅ Passed	303ms
tests/responses-create-stream-failures.test.ts	✅ Passed	257ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	2.174s
tests/responses-create-stream-wire.test.ts	✅ Passed	2.774s
tests/responses-create-stream.test.ts	✅ Passed	81ms
tests/responses-create-terminal-states.test.ts	✅ Passed	241ms
tests/responses-create-timeout.test.ts	✅ Passed	216ms
tests/responses-create.test.ts	✅ Passed	244ms
tests/responses-delete.test.ts	✅ Passed	224ms
tests/responses-input-items-errors.test.ts	✅ Passed	271ms
tests/responses-input-items-list.test.ts	✅ Passed	197ms
tests/responses-input-items-options.test.ts	✅ Passed	122ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	241ms
tests/responses-input-tokens-count.test.ts	✅ Passed	244ms
tests/responses-malformed-inputs.test.ts	✅ Passed	2.389s
tests/responses-not-found-errors.test.ts	✅ Passed	292ms
tests/responses-parse.test.ts	✅ Passed	213ms
tests/responses-retrieve-retries.test.ts	✅ Passed	259ms
tests/responses-retrieve.test.ts	✅ Passed	257ms
tests/responses-stored-method-errors.test.ts	✅ Passed	639ms
tests/retry-behavior.test.ts	✅ Passed	2.989s
tests/sdk-error-shape.test.ts	✅ Passed	331ms

View OkTest run #31224871196

_{SDK merge (c0c5d2767f31) · head (bbebed7c31b8) · base (1369610c196c) · OkTest (91635c6a2723)}