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Date: Sep 9, 2026
Request rewrite task by exporting and implementing rewriteRequest, refactoring the existing interceptor to use it, running focused tests and the package typecheck, not touching packages/opencode, and returning exact results.packages/core/test/fetch-interceptor-request.test.ts failed with TypeError: rewriteRequest is not a function; planned a body-safe Request transformer with unreadable/unknown request streams passed through untouched.packages/core/src/fetch-interceptor.ts and packages/core/src/index.ts were modified to implement and export the shared request-rewrite API.packages/core/src/fetch-interceptor.ts added exported rewriteRequest(request: Request, gatewayBase: string, dynamicHeaders: DynamicRequestHeadersSource, onRequestHeaders?: (headers: Headers) => void): Promise<Request> and internal rewriteRequestForProtocol(..., protocol?: BodyProtocol): Request.rewriteRequest never reads the request body: known paths can carry streaming bodies safely, while unknown paths “always pass through.”localhost and 127.0.0.1, which may be local LLM servers or the gateway itself and risk an infinite loop; and non-LLM paths.isLocalHost(host) documents that a local host must “never be routed through the gateway” and recognizes localhost, 127.0.0.1, 0.0.0.0, ::1, and [::1].rewriteRequestForProtocol() returns the original Request unchanged for non-LLM URLs, local hosts, and unmappable paths; direct-gateway requests are returned unchanged but their headers are passed to onRequestHeaders.new Request(rewrite.gatewayUrl, request), then receive x-lore-upstream-url, the full original pathname in x-lore-upstream-path, and dynamic context headers; existing request headers take precedence over dynamic values.fetch-interceptor: getHeaders() failed:, while observer failures log fetch-interceptor: onRequestHeaders() failed:.installFetchInterceptor() was refactored to build a Request, delegate routing to rewriteRequestForProtocol(), preserve its process-global Symbol.for("lore.fetchInterceptor.originalFetch") double-install guard, and retain URL-pattern routing plus body-protocol fallback.packages/core/test/fetch-interceptor-install.test.ts failing in 137ms; total duration was 1.53s (transform 1.33s, setup 1.92s, import 196ms, tests 292ms, environment 1ms), starting at 13:01:39./v1/messages lacked expected x-lore-upstream-url: https://api.anthropic.com; 2. Codex /backend-api/codex/responses lacked https://chatgpt.com/backend-api; 3. original authorization: Bearer sk-test and injected context were absent from captured init.headers; 4. x-api-key: primary-key and authorization: Bearer secondary were absent from captured init.headers; 5. captured init.body was undefined instead of {"model":"gpt-4","messages":[{"x":1}]}; 6. OpenRouter lacked upstream base https://openrouter.ai/api; 7. /v2/chat/completions lacked upstream base https://api.example.com/v2; 8. /llm/messages lacked upstream base https://proxy.example.com/llm; 9. /custom/responses lacked upstream base https://api.example.com/custom; 10. GitHub Copilot lacked upstream base https://api.githubcopilot.com; 11. standard OpenAI lacked upstream path /v1/chat/completions; 12. OpenRouter lacked full upstream path /api/v1/chat/completions; 13. Codex lacked full upstream path /backend-api/codex/responses.Request, causing assertions against init.headers and the original init.body to see missing values.Request forwarding for Request inputs, but forwards routed string/URL inputs as originalFetch(routed.url, { ...init, headers: routed.headers }), preserving the original URL/init call shape and body.13:02:42, total duration 1.80s (transform 1.64s, setup 2.33s, import 244ms, tests 394ms, environment 1ms).@loreai/core@0.40.0 typecheck command tsc --noEmit && tsc --noEmit -p tsconfig.eval.json failed with exit code 2: test/fetch-interceptor-request.test.ts(121,7) and (147,9) each reported TS2353, because duplex does not exist in TypeScript’s RequestInit.duplex: "half" at runtime even though the active RequestInit type omits it.packages/core/test/fetch-interceptor-request.test.ts was updated to retain duplex: "half" at both stream-request sites with // @ts-expect-error duplex is required for stream bodies in Node fetch.@loreai/core@0.40.0 typecheck with tsc --noEmit && tsc --noEmit -p tsconfig.eval.json passed.{"afterRequest":false,"requestLocked":false,"bodyUsed":false} and after routing {"afterRouted":false,"requestLocked":false,"routedLocked":false,"bodyUsed":false}, confirming neither original nor routed stream was locked or consumed merely by rewriting.package.json specifies packageManager: "pnpm@10.28.0", Volta node: "24.16.0" and pnpm: "10.28.0", root typecheck: "pnpm -r run typecheck", test: "vitest run", format: "oxfmt", and format:check: "oxfmt --check"./messages, /completions, or /responses appears in the query string.pathMatches = matchesLLMApiPath(upstream.pathname) and pathLooksLLM = pathLooksLLMLike(upstream.pathname); it extracts and detects a body protocol only when !pathMatches && pathLooksLLM.packages/core/src/fetch-interceptor.ts and packages/core/test/fetch-interceptor-request.test.ts; it finished in 46ms on 3 files using 4 threads.oxfmt was applied only to packages/core/src/fetch-interceptor.ts and packages/core/test/fetch-interceptor-request.test.ts, finishing in 30ms on 2 files using 4 threads.13:07:36; duration was 1.49s (transform 736ms, setup 1.93s, import 190ms, tests 239ms, environment 1ms).@loreai/core@0.40.0 typecheck tsc --noEmit && tsc --noEmit -p tsconfig.eval.json passed.packages/core/src/fetch-interceptor.ts, packages/core/src/index.ts, and new packages/core/test/fetch-interceptor-request.test.ts.installFetchInterceptor() no longer reused its pre-parsed gateway URL.rewriteRequest string-based gatewayBase API.13:12:00; duration was 2.87s (transform 2.60s, setup 3.48s, import 422ms, tests 583ms, environment 1ms).@loreai/core@0.40.0 typecheck tsc --noEmit && tsc --noEmit -p tsconfig.eval.json passed with exit code 0.packages/core/src/fetch-interceptor.ts, modified packages/core/src/index.ts, and added packages/core/test/fetch-interceptor-request.test.ts with 163 lines.packages/core/src/index.ts now exports installFetchInterceptor, rewriteRequest, shouldIntercept, DynamicRequestHeaders, DynamicRequestHeadersSource, and FetchInterceptorConfig from ./fetch-interceptor.rewriteRequest test cases are: 1. V2-style OpenRouter request preserves method, body, authorization, x-api-key, original full path, and ?stream=true&trace=abc; 2. caller-provided x-lore-session-id: request-session overrides injected session-123; 3. direct gateway request returns by identity and is observed without dynamic-header injection; 4–7. local requests to localhost, 127.0.0.1, 0.0.0.0, and [::1] return by identity; 8. a non-LLM npm registry request returns by identity; 9. a streaming body on known Anthropic /v1/messages routes without reading the original; 10. a streaming body on unknown /v2/chat/completions?stream=true is neither read nor routed.jj working copy was wlpqmtos at 35358505e1c3 (feat(opencode): add V2 server plugin), with parent uutomtup at 429114122aa1 (fix(gateway): preserve large recall continuations (#1730)).packages/opencode/package.json, packages/opencode/script/build.ts, packages/opencode/src/index.ts, packages/opencode/src/internal.ts, packages/opencode/src/server-runtime.ts, packages/opencode/src/server.ts, packages/opencode/test/internal.test.ts, packages/opencode/test/package.test.ts, packages/opencode/test/server-runtime.test.ts, packages/opencode/test/server.test.ts, and pnpm-lock.yaml.packages/opencode files were edited for this task, all of its workspace changes were pre-existing, and there were no unresolved implementation issues.