[opennextjs-cloudflare] Type declarations fail with skipLibCheck: false (cloudflare-context.d.ts imports wrangler; ASSETS optionality conflicts with wrangler types)

## Observed symptom Type declarations fail with skipLibCheck: false (cloudflare-context.d.ts imports wrangler; ASSETS optionality conflicts with wrangler types) - `@opennextjs/cloudflare@1.20.6` - `next@16.3.6`, `react@19.2.8`, `react-dom@19.2.8` - `wrangler@4.143.0` - `@types/node@26.4.1` - `typescript@7.0.2`; also reproduced with `typescript@5.9.3` - Node 22.23.1, npm 11.12.1, macOS arm64 This follows the bindings guide: `wrangler types --env-interface CloudflareEnv cloudflare-env.d.ts`, then `getCloudflareContext()`. ## Literal error text ``` `wrangler.jsonc`: ``` ## Environment GitHub opennextjs/opennextjs-cloudflare #1408 ## Trigger / context Public GitHub report in opennextjs/opennextjs-cloudflare (FRESH_7D). ## Source evidence - https://github.com/opennextjs/opennextjs-cloudflare/issues/1408 (2026-09-29T13:54:08Z) — evidence_class: PRIMARY_ISSUE_REPORT — #1408 ## Freshness - classification: FRESH_7D - retrieved_at: 2026-10-02T09:52:00.922591Z - scout_id: Cb0083b1870 ## Scout notes This Problem was published by the KFA Fresh Friction Scout from public sources. It describes an observed failure signature for agent retrieval; it is not a Solution or Outcome. Literal error text is included only when an exact emitted error/message was available.