{"data":[{"id":"chg_f9bb2804c756696af7cb4810660efe8f759f08736a047c4e784c8158d19b593e","path":"/responses","method":"POST","direction":"request","fieldPath":null,"changeType":"request-body-all-of-removed","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"removed `#/components/schemas/ParityDiffShared_0e8810ae43823807eccab990e34df237ac1873b84c80352dc52a45f7034c281c` from the request body `allOf` list","reasoning":"request.content_removed: request request-body-all-of-removed -> breaking","ruleId":"request.content_removed","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_cfb139de03774be33e6c11da74d04fb44a26ac3f654a23d6da4ad1e2b48028a5","path":"/responses/compact","method":"POST","direction":"response","fieldPath":"output/items/oneOf[subschema #10: Web search tool call]/action/oneOf[subschema #3: Find 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action]/url","changeType":"response-property-became-optional","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"the response property `data/items/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #3: Find action]/url` became optional for the status `200`","reasoning":"response.now_optional_or_nullable: response response-property-became-optional -> breaking","ruleId":"response.now_optional_or_nullable","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_8478aa23e889abb474d6f6bd92aea0310c4ef6859f220892a45476a4c3cd205c","path":"/responses/compact?beta=true","method":"POST","direction":"response","fieldPath":"output/items/oneOf[subschema #13: Web search tool call]/action/oneOf[subschema #3: Find action]/url","changeType":"response-property-list-of-types-widened","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"response property `output/items/oneOf[subschema #13: Web search tool call]/action/oneOf[subschema #3: Find action]/url` list-of-types was widened by adding types `null` to media type `application/json` of response `200`","reasoning":"level.error: response response-property-list-of-types-widened -> breaking","ruleId":"level.error","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_581803ced2356593c0787350a2c5a58be786dd0dac9bdea439a3a309cadac5ad","path":"/responses","method":"POST","direction":"response","fieldPath":"allOf","changeType":"response-property-all-of-removed","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"removed `#/components/schemas/ParityDiffShared_2d624ae74d34d1922d57369d6dcb4dfde3bed2c1d4755716e4ea669dc6cd557e` from the `anyOf[subschema #57: ResponseQueuedEvent]/response` response property `allOf` list for the response status `200` (media type: text/event-stream)","reasoning":"response.removed: response response-property-all-of-removed -> breaking","ruleId":"response.removed","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_57e375077fe54563fdce34f54e023fa095bcf2786ed2532db158d87b9ee91d1f","path":"/responses?beta=true","method":"POST","direction":"response","fieldPath":"allOf","changeType":"response-property-all-of-removed","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"removed `#/components/schemas/ParityDiffShared_8cf2cf5b1169de05291d61b9674c91a09e1969ed82b5d0fe6e561c5194a25c7f` from the `anyOf[subschema #57: ResponseQueuedEvent]/response` response property `allOf` list for the response status `200` (media type: text/event-stream)","reasoning":"response.removed: response response-property-all-of-removed -> breaking","ruleId":"response.removed","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_39ca7a8e17ade47f1c5116bcbc370651974976aaceb0500feeda69591d8f3e6b","path":"/conversations/{conversation_id}/items","method":"POST","direction":"response","fieldPath":"data/items/oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url","changeType":"response-property-became-optional","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"the response property `data/items/oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url` became optional for the status `200`","reasoning":"response.now_optional_or_nullable: response response-property-became-optional -> 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breaking","ruleId":"level.error","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_32ce59f7b19720bd238db9c0d5e78e45c392248a40570edf3195937a41e688a8","path":"/conversations/{conversation_id}/items/{item_id}","method":"GET","direction":"response","fieldPath":"oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url","changeType":"response-property-list-of-types-widened","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"response property `oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url` list-of-types was widened by adding types `null` to media type `application/json` of response `200`","reasoning":"level.error: response response-property-list-of-types-widened -> breaking","ruleId":"level.error","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_28b368e5738f4d4780f7274abf175bc768f8199293fd34e692eac71e4820b568","path":"/responses/{response_id}/input_items?beta=true","method":"GET","direction":"response","fieldPath":"data/items/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #3: Find action]/url","changeType":"response-property-list-of-types-widened","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"response property `data/items/oneOf[subschema #6: Web search tool call]/action/oneOf[subschema #3: Find action]/url` list-of-types was widened by adding types `null` to media type `application/json` of response `200`","reasoning":"level.error: response response-property-list-of-types-widened -> 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breaking","ruleId":"level.error","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]},{"id":"chg_02124312dddf0210f93d9a6df2333d908a622fa457a294aed2fa57f0149a2ea2","path":"/conversations/{conversation_id}/items/{item_id}","method":"GET","direction":"response","fieldPath":"oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url","changeType":"response-property-became-optional","detectedAt":"2026-10-31T04:19:53.517761+00:00","classification":"breaking","breakKind":"runtime","summary":"the response property `oneOf[subschema #5: Web search tool call]/action/oneOf[subschema #3: Find action]/url` became optional for the status `200`","reasoning":"response.now_optional_or_nullable: response response-property-became-optional -> breaking","ruleId":"response.now_optional_or_nullable","classifierVersion":"2026-10-15.2","evidenceStrength":"spec_only","detectionMethod":"openapi_diff","fragment":[]}],"nextCursor":null}