chore(deps): bump @langchain/openai from 1.4.4 to 1.4.7 in /backend

[dependabot]

Bumps @langchain/openai from 1.4.4 to 1.4.7.

Release notes

Sourced from @​langchain/openai's releases.

@​langchain/openai@​1.4.7

Patch Changes

• #10918 3999fab Thanks @​christian-bromann! - fix(openai): stream custom tool calls through Responses API chunks

• #10791 fce9ab4 Thanks @​Genmin! - fix(openai): preserve top-level Responses API ids on AI messages

@​langchain/openai@​1.4.6

Patch Changes

• #10902 229a7ad Thanks @​christian-bromann! - fix(openai): preserve v1 assistant tool calls

• #10895 36fb0ef Thanks @​BertBR! - fix(openai): guard bare JSON.parse in Responses API converter against trailing non-whitespace characters

  convertResponsesDeltaToChatGenerationChunk previously called JSON.parse(msg.text) directly when response.text.format.type === "json_schema". Some models (observed with gpt-5-mini on service_tier: "auto") intermittently emit trailing non-whitespace characters (extra tokens, control characters) after a valid JSON object, causing a SyntaxError that propagates as an unhandled exception and kills the entire streaming response mid-flight. The parse is now wrapped in a try/catch: on failure, additional_kwargs.parsed is left undefined, the stream completes normally, and the existing withStructuredOutput pipeline handles the typed failure — includeRaw: true returns { raw, parsed: null } via its withFallbacks wrapper, includeRaw: false throws a typed OutputParserException that the caller can catch and retry. Closes #10894.

Commits

• caad091 chore: version packages (#10919)
• f4a6149 chore(deps): bump fast-uri from 3.1.0 to 3.1.2 (#10926)
• 7b12f6d chore(deps): bump protobufjs from 7.5.6 to 7.6.0 (#10930)
• 5c6c5fe chore(deps): bump ws from 5.2.4 to 8.20.0 (#10915)
• a8652ce docs: fix typos, add Ollama setup, update outdated references (#10922)
• 2bb55b0 feat(openrouter): surface reasoning as v1 standard content blocks (#10666)
• 4ecb660 fix(langchain): set name on todoListMiddleware ToolMessages (#10706)
• 20f27df fix(ibm): handle API errors in streaming responses (#10721)
• 4566873 feat(ibm): add integration test to IBM implementation (#10732)
• 6e4337f fix(aws): add claude-haiku-4 to supportedToolChoiceValuesForModel (#10743)
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