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Included review availability: Your plan provides up to 10 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughThe Devin adapter now selects the final thinking block with text and preserves only its associated replayable signature. Tests cover signature-only tails, unsigned reasoning items, and visible assistant content. Registry documentation records the replay behavior. ChangesDevin thinking replay
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리뷰 · 우선순위 42 / 80이 PR은 Devin이 예전 생각을 다시 보낼 때, 글과 서명을 한 덩어리로 맞춥니다. 지금까지는 한 답변 안의 생각 글을 전부 이어 붙이고, 서명은 맨 마지막 것을 따로 골랐습니다. 글은 첫 블록 것이고 서명은 다음 블록 것이면, 그 서명이 증명하는 글이 아닙니다. 서명은 그 글이 맞다는 도장입니다. 다른 글에 찍으면 도장이 아닙니다. 이제는 글이나 서명이 있는 마지막 블록 하나만 보냅니다. 그 블록의 글과 서명을 같이 넣습니다. 마지막 블록에 서명이 없으면 서명을 뺍니다. 앞 블록의 글은 버립니다. 인코더는 생각 칸(#11)과 서명 칸(#12)을 한 번씩만 씁니다. 테스트는 서명이 서로 다른 두 블록, 그리고 마지막에 서명이 없는 경우를 잠급니다. 레지스트리 설명도 같은 말로 고쳤습니다. 베이스는 src/adapters/devin.ts:323 - 고르는 조건이 src/responses/parser.ts:304 - 히스토리가 여기로 들어오면, Cognition 서명이 없는 생각에도 메인테이너의 판단이 필요한 지점 너의 추천 이 댓글은 grok-bot이 작성했습니다 |
assistantThinking concatenated every thinking block while independently picking the last signature, pairing one block's text with another block's signature and producing an invalid replay to Cognition. Replay the final non-empty block as a unit so text and signature stay associated.
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In `@src/adapters/devin.ts`:
- Line 324: Update assistantThinking to select the last block with non-empty
thinking text, rather than matching signature-only blocks; preserve the selected
thinking block’s signature for mapOneMessage. Add a regression case covering a
signed thinking block followed by a signature-only block.
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src/adapters/devin.tsstructure/adapters/registry.mdtests/providers/devin-hardening.test.ts
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추가 리뷰 · 우선순위 40 / 80이 푸시는 생각 재생 코드를 고치지 않았습니다. 같은 수정을 더 새로운 생각 글과 서명을 고르는 하는 일은 지난번과 같습니다. Devin이 예전 생각을 다시 보낼 때, 마지막 블록의 글과 서명을 한 덩어리로 보냅니다. 글은 이쪽 블록, 서명은 저쪽 블록에서 가져오지 않습니다. 베이스는 src/adapters/devin.ts:324 - 고르는 조건이 src/responses/parser.ts:304 - 이 줄도 안 바뀌었습니다. Cognition 서명이 없는 생각에도 메인테이너의 판단이 필요한 지점 너의 추천 이 댓글은 grok-bot이 작성했습니다 |
assistantThinking picked the last block with thinking OR signature, so a trailing signature-only block (emitted for encrypted-only reasoning) won the pair: the replay carried a signature with no thinking, and a reasoning-only turn was dropped outright. Select the last block with thinking text as the unit; a signature-only block attests thinking that is not replayed and cannot sign a neighbour's text.
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Follow-up addressed in 1f8756d: field #12 now replays only a signature the source envelope actually issued — the parser's JSON.stringify(reasoningItem) dump on unsigned thinking parts is filtered out at the field boundary (isCognitionReplayableSignature), and the signature-only-tail regression now feeds real reasoning items through parseRequest instead of injecting parts directly (plus a new case asserting the serialized dump never reaches #12). bun test tests/providers/devin-hardening.test.ts: 37 pass; bun x tsc --noEmit: clean. |
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assistantThinking concatenated every thinking block and independently picked the last available signature, so one block text rode ChatMessagePrompt field 11 paired with a different block signature at field 12. Cognition validates field 12 against the thinking it attests, so that pairing is an invalid replay. The blocks that reach this point are separately signed by construction: src/responses/parser.ts merges CONSECUTIVE unsigned reasoning parts into one, so more than one surviving text-bearing block means more than one real attestation. The pair is now only formed when it is real. Every block with text is still replayed at field 11, and field 12 is attached only when the text replayed IS the text that signature attests, which is the single-block case. Several independently signed blocks send the joined chain unsigned. Keeping only the final block instead would trade an invalid pairing for silently discarding reasoning the turn produced, which the history replay this function exists for cannot afford. A signature-only block, which the parser emits for an encrypted-only reasoning item, contributes neither text nor signature; the turn-dropping guard in mapOneMessage already keyed on reasoning.thinking, so no assistant turn changes its drop decision. The parser also parks a JSON.stringify of the whole reasoning item in the signature field of an UNSIGNED thinking part so the opaque item survives a same-provider round trip. That dump is provider state, not an attestation, and it was reaching field 12 verbatim. isProviderIssuedThinkingSignature now denies exactly that shape, and it lives in src/responses/reasoning-envelope.ts beside the representation it describes rather than as a private copy in one adapter. It stays a deny-list: field 12 is opaque, so an allow-list modelled on the base64 spelling of an Anthropic signature would drop a JWT-shaped or JSON-shaped token the service really issued. A counter-case test pins that those survive. Carried from #5140. Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com>
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assistantThinking concatenated every thinking block and independently picked the last available signature, so one block text rode ChatMessagePrompt field 11 paired with a different block signature at field 12. Cognition validates field 12 against the thinking it attests, so that pairing is an invalid replay. The blocks that reach this point are separately signed by construction: src/responses/parser.ts merges CONSECUTIVE unsigned reasoning parts into one, so more than one surviving text-bearing block means more than one real attestation. The pair is now only formed when it is real. Every block with text is still replayed at field 11, and field 12 is attached only when the text replayed IS the text that signature attests, which is the single-block case. Several independently signed blocks send the joined chain unsigned. Keeping only the final block instead would trade an invalid pairing for silently discarding reasoning the turn produced, which the history replay this function exists for cannot afford. A signature-only block, which the parser emits for an encrypted-only reasoning item, contributes neither text nor signature; the turn-dropping guard in mapOneMessage already keyed on reasoning.thinking, so no assistant turn changes its drop decision. The parser also parks a JSON.stringify of the whole reasoning item in the signature field of an UNSIGNED thinking part so the opaque item survives a same-provider round trip. That dump is provider state, not an attestation, and it was reaching field 12 verbatim. isProviderIssuedThinkingSignature now denies exactly that shape, and it lives in src/responses/reasoning-envelope.ts beside the representation it describes rather than as a private copy in one adapter. It stays a deny-list: field 12 is opaque, so an allow-list modelled on the base64 spelling of an Anthropic signature would drop a JWT-shaped or JSON-shaped token the service really issued. A counter-case test pins that those survive. Carried from #5140. Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com>
…rdered freeform wrapper gap (#5203) * fix(responses): avoid spreading stripped tool indices into Math.min preferConfiguredHostedTools collected the index of every stripped additional_tools container into a Set and spread it into Math.min to find the first one. The set size is request-controlled, so a body carrying enough additional_tools containers exceeds the engine argument-count limit and throws RangeError, aborting request normalization before dispatch. Indices arrive in increasing order, so the first stripped index is already the minimum, and a scalar captured during the same map pass replaces the reduction. The regression lives in its own file because tests/responses/openai-responses-passthrough.test.ts sits at its file-size ratchet cap. It covers the Math.min argument count and, added while carrying, the restoration target the original case could not separate: with a non-carrier at index 0 and an unstripped container at index 1, the hosted declaration must land in the container at index 2 and appear exactly once. Carried from #5132. Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com> * fix(grok): reject unsafe protobuf response lengths The reset-coupon decoders trusted provider-controlled varints and length prefixes. decodeVarint accumulated with a 32-bit bitwise shift, so a six-byte varint could set the sign bit and return a NEGATIVE length; the length-delimited branches then did offset += bytesRead + len and moved the cursor BACKWARDS, which is a non-terminating loop on a hostile or corrupt gRPC-web body rather than merely a wrong value. A truncated varint returned its partial accumulation, and a declared length past the end silently produced a short subarray. decodeVarint now validates the offset, accumulates by multiplication so the value cannot wrap, throws once a part leaves the safe-integer range, and throws on a varint with no terminator instead of returning a partial value. It also enforces the ten-byte protobuf varint limit explicitly, because the safe-integer guard cannot stand in for a length bound: a continuation byte with no payload bits contributes a part of zero, which is a safe integer, so an arbitrarily long run of 0x80 decoded as a valid zero and an overlong zero length normalized a malformed body into an empty coupon list. The new decodeLength bounds every wire-type-2 field inside its enclosing message, and all three branches route through it. This turns a malformed response into a thrown error where it previously returned partially decoded coupons. Both callers in src/server/management/grok-coupon-routes.ts already wrap getGrokRemainingResets in try/catch and answer 502, and a new case asserts the throw at that boundary rather than only at the decoder, so the endpoint reports the upstream failure instead of acting on a tokenId recovered from garbage. Wire types 1 and 5 still stop iteration rather than throwing; that pre-existing silent drop is unchanged. Carried from #5150. Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com> * fix(devin): preserve reasoning signature association assistantThinking concatenated every thinking block and independently picked the last available signature, so one block text rode ChatMessagePrompt field 11 paired with a different block signature at field 12. Cognition validates field 12 against the thinking it attests, so that pairing is an invalid replay. The blocks that reach this point are separately signed by construction: src/responses/parser.ts merges CONSECUTIVE unsigned reasoning parts into one, so more than one surviving text-bearing block means more than one real attestation. The pair is now only formed when it is real. Every block with text is still replayed at field 11, and field 12 is attached only when the text replayed IS the text that signature attests, which is the single-block case. Several independently signed blocks send the joined chain unsigned. Keeping only the final block instead would trade an invalid pairing for silently discarding reasoning the turn produced, which the history replay this function exists for cannot afford. A signature-only block, which the parser emits for an encrypted-only reasoning item, contributes neither text nor signature; the turn-dropping guard in mapOneMessage already keyed on reasoning.thinking, so no assistant turn changes its drop decision. The parser also parks a JSON.stringify of the whole reasoning item in the signature field of an UNSIGNED thinking part so the opaque item survives a same-provider round trip. That dump is provider state, not an attestation, and it was reaching field 12 verbatim. isProviderIssuedThinkingSignature now denies exactly that shape, and it lives in src/responses/reasoning-envelope.ts beside the representation it describes rather than as a private copy in one adapter. It stays a deny-list: field 12 is opaque, so an allow-list modelled on the base64 spelling of an Anthropic signature would drop a JWT-shaped or JSON-shaped token the service really issued. A counter-case test pins that those survive. Carried from #5140. Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com> * fix(responses): recognize reordered and escaped freeform wrapper keys The progressive decoder located a wrapper by comparing the buffer against the literal opening for each key it knew. unwrapFreeformToolInput decides the COMPLETED input with JSON.parse, which cares about neither property order nor how a name is spelled, so two spellings of the same wrapper matched nothing at all: {"metadata":1,"input":"cmd"} and a canonical key written with a \\u0069 escape both streamed the raw object as deltas and then completed as cmd. The routed path hid this behind its own hold for unrecognized objects; the direct Responses bridge published the wrapper syntax that completion then removed. This is the third spelling of the disagreement #5047 and #5129 closed for compact and whitespace wrappers. The prefix is now scanned as JSON instead of matched as text, in a new src/responses/freeform-wrapper-scan.ts. It answers only which wrapper the completed text will unwrap to: an own input with a string value streams progressively, because completion gives it precedence over everything else in the object whatever its position; an input with a non-string value, a text that is not an object, and an object JSON.parse can no longer accept publish their own bytes, because that is what completion returns for them; every other object holds until it parses, because a key that has not arrived can still change the answer. Property names are decoded with JSON.parse rather than by hand, since a second decoder beside it is how this defect arose. That last rule narrows the direct bridge and the narrowing is deliberate. A parseable object that is not a wrapper now arrives in one delta when it closes, where it used to stream as it was generated. No prefix of it can be published safely, because input can still follow any property, and routed restoration has held exactly these bodies since #5047 — this is the two paths agreeing rather than a new restriction on one. Bodies that are not objects, which is what an exec program or a patch envelope looks like, are unaffected. structure/transports/responses.md states the cost rather than repeating the old claim that raw input is always progressive, and the bridge test comment that asserted the old timing is corrected. Holding every undecided object subsumes the fallback keys, which only unwrap as the single string field and so are decidable by no prefix. freeformFallbackKeys existed solely to let the streaming side hold them and is removed with its last caller. Containers are walked with an explicit stack, not recursion, because the value being skipped is provider-controlled. Classification is clamped to MAX_FREEFORM_WRAPPER_SCAN_CHARS, and the release parse runs only where the scan actually SAW the object close. Every other hold stays held: an incomplete object has nothing to parse, and re-reading a budget-exhausted buffer on every delta whose last character happens to be a brace is quadratic work for a delta that would arrive in the same instant as the authoritative completion behind it. The previous code parsed the whole buffer on every delta once a fallback wrapper was committed. Duplicate input keys and wrappers that turn invalid after a valid prefix was published remain the same bounded exceptions, now asserted through a reordered wrapper as well. The regression records the deltas a caller would receive and also the values the decoder PROPOSED that do not extend what was already published: both callers drop those, so a test that only mirrored the callers would stay green while the decoder proposed a retraction. It asserts liveness too, so satisfying agreement by holding everything fails, and it pins that an oversized value full of braces publishes nothing. Closes #5151. --------- Co-authored-by: lidge-jun <lidge-jun@users.noreply.github.com> Co-authored-by: luvs01 <27862058+luvs01@users.noreply.github.com>
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The fix from this PR landed on One change was made to it before landing, and it is worth explaining. As submitted, pairing was preserved by keeping only the final reasoning block and discarding the text before it, which loses real content whenever several blocks are signed. The carried version replays all of the text and attaches the signature to field 12 only when the text being sent is the text that signature vouches for; with a single block the behaviour is identical to yours. The signature decision also moved out of a private heuristic inside the adapter and into Evidence covers both platforms: Closing this one because its content is on |
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Motivation
assistantThinkingconcatenated everythinkingblock while independently picking the last available signature, so a block''''''''s text could ride the prompt paired with a different block''''''''s signature — an invalid replay to Cognition.Description
thinkingandsignaturetogether; a block without a signature contributes its text and nothing else.Tests
bun test tests/providers/devin-hardening.test.ts -t "thinking"— 3 pass, including a regression that keeps the final block''''''''s text/signature pair across independently signed blocks and drops the signature when the final block is unsigned.Review readiness checklist
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Bug Fixes
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