chore(deps): update strands-agents requirement from >=1.42.0 to >=1.57.0 in /tutor

[dependabot]

Updates the requirements on strands-agents to permit the latest version.

Release notes

Sourced from strands-agents's releases.

python/v1.57.0

Auto-drafted from commits in python/v1.56.0..python/v1.57.0, grouped by conventional-commit type. Edit on the release page after publish if you want a polished writeup; the canonical release notes live on the website.

🚀 Features

• feat(defaults): opus 5 and high thinking by default (#4460) (c3fc5ff81)
• feat(site): launch the redesigned Strands website (#4446) (1fd2ad684)
• feat: merge in the Strands harness (#4447) (4095cf5a6)
• feat(bedrock): requestTimeout option on BedrockModel (#4408) (153c4230a)
• feat(py): add mcp_router vended tool (#4252) (803a4d6f9)
• feat(session-py): support snapshot session management for Graph and Swarm (#4240) (5d5ffd2b2)
• feat(vended-tools): port handoff_to_user tool to TypeScript (#4382) (100429263)
• feat(vended-tools): add handoff_to_user tool (#4348) (98b4977ec)
• feat(bidi): distinguish audio deltas from complete content (#4366) (b14f1ba1c)
• feat(models): select the bedrock-runtime endpoint from bedrock_mantle_config (#4360) (9a8349db6)
• feat(bidi): accept shared content blocks as input (#4331) (a9361c54c)

🐛 Fixes

• fix(bidi): remove retired Nova Sonic 1 from integration tests (#4512) (d29c36e1f)
• fix(cli): install provider SDKs with the CLI (#4508) (91a44787a)
• fix(sandbox): preserve UTF-8 across stream chunk boundaries (#4157) (20231cb1e)
• fix(mcp-py): send auth flow requests as yielded and strip decoded framing headers (#4233) (f4567bf1e)
• fix(harness): let an explicit web_search: 'exa' win over native search (#4491) (523d4d0dc)
• fix(harness): default effort back to 'auto' so no-reasoning models resolve (#4473) (98547f1f7)
• fix(cli): depend on the published harness in exported projects (#4478) (8ecf1ebc1)
• fix(harness): align Node requirement and default model docs (#4469) (1f08ea61c)
• fix(context-ts): accept a ContextManager instance in Agent contextManager (#4459) (9248cab36)
• fix(tools): stop schema normalization from mutating caller-owned specs (#4426) (5e46a48de)
• fix(agent-ts): keep only text when re-roling a summary as a user message (#4421) (0f4a99c59)
• fix(agent-py): keep only text when re-roling a summary as a user message (#4402) (16ddba42a)
• fix(memory-py): make MemoryStore optional methods instantiable under type checkers (#3966) (54ca0befa)
• fix(openai): surface prompt-cache write tokens on Chat Completions (#4361) (59fa74957)
• fix(ci): pin the strands command to the commit it was issued against (#4393) (539c212b1)
• fix(interventions): propagate handler-raised interrupts regardless of onError (#4373) (f505f82f6)
• fix(interventions): propagate handler-raised interrupts regardless of on_error (#4372) (45777ec26)
• fix(ts): interrupt retry backoff on cancellation (#4291) (e7fd22b63)
• fix(agent): reject unrecognized limits keys instead of silently applying no cap (#4356) (3bbfb60ae)
• fix(agent): reject unrecognized limits keys instead of silently applying no cap (#4355) (534e8b6a7)

♻️ Refactoring

• refactor(bidi): adopt production component names (#4444) (d6e957173)
• refactor(bidi): standardize owner-package imports (#4369) (d5f064fd1)
• refactor(bidi): separate audio buffering and processing modules (#4310) (7a62450a0)

📚 Documentation

• docs: use Strands wordmarks in package READMEs (#4475) (42c4c42fd)

... (truncated)

Commits

• d29c36e fix(bidi): remove retired Nova Sonic 1 from integration tests (#4512)
• 91a4478 fix(cli): install provider SDKs with the CLI (#4508)
• b2e8d1c ci(typescript): bump the production-minor group across 1 directory with 3 upd...
• d6e9571 refactor(bidi): adopt production component names (#4444)
• 6be001d ci(typescript): bump hono from 4.13.0 to 4.13.8 (#4386)
• 50549ae ci(typescript): bump fast-uri from 3.1.5 to 3.1.8 (#4385)
• 20231cb fix(sandbox): preserve UTF-8 across stream chunk boundaries (#4157)
• 8a2ad9b ci(docs): bump astro from 7.2.6 to 7.3.3 in /site (#4436)
• 57a919b ci(docs): bump prettier from 3.9.6 to 3.9.8 in /site (#4434)
• d46cba8 ci(docs): bump typedoc-plugin-markdown from 4.13.0 to 4.13.1 in /site (#4485)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)