Metadata masking after runtime merge; agent type fixes

What's Changed

• release(js): 0.8.9 by @KiewanVillatel in https://github.com/langchain-ai/langsmith-sdk/pull/3316
• fix(python): mask metadata after the runtime env merge and via the anonymizer by @vladislav-nechakhin in https://github.com/langchain-ai/langsmith-sdk/pull/3313
• fix(js): mask metadata after the runtime env merge and via the anonymizer by @vladislav-nechakhin in https://github.com/langchain-ai/langsmith-sdk/pull/3314
• chore(deps-dev): bump types-requests from 2.33.0.20260518 to 2.33.0.20260712 in /python by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3325
• chore(deps-dev): bump types-pyyaml from 6.0.12.20260518 to 6.0.12.20260724 in /python by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3324
• chore(deps): bump the actions-major group with 2 updates by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3321
• chore(deps): bump the actions-minor-and-patch group across 1 directory with 3 updates by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3320
• chore(deps): bump the npm_and_yarn group across 3 directories with 3 updates by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3330
• fix(js,py): stamp ls_agent_type on wrap_openai LLM runs by @ybathula707 in https://github.com/langchain-ai/langsmith-sdk/pull/3317
• chore(deps): bump aiohttp from 3.14.1 to 3.14.3 in /python by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3329
• chore(deps-dev): bump the py-major group in /python with 2 updates by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3323
• chore(deps): bump cryptography from 48.0.1 to 50.0.0 in /python by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3331
• fix(js,py): preserve user-supplied ls_agent_type in openai-agents-sdk integration by @ybathula707 in https://github.com/langchain-ai/langsmith-sdk/pull/3318
• fix(js): inherit parent's ls_agent_type in Vercel _getLsAgentType helper by @ybathula707 in https://github.com/langchain-ai/langsmith-sdk/pull/3319
• chore(deps): bump the py-minor-and-patch group across 1 directory with 25 updates by @dependabot[bot] in https://github.com/langchain-ai/langsmith-sdk/pull/3322
• fix(profiles): resolve the OAuth token endpoint from deployment metadata by @langchain-infra in https://github.com/langchain-ai/langsmith-sdk/pull/3333
• fix: avoid resetting compression threads by @emil-lc in https://github.com/langchain-ai/langsmith-sdk/pull/3332
• docs(sandbox): fix invalid sizing example in JS sandbox README by @ramon-langchain in https://github.com/langchain-ai/langsmith-sdk/pull/3335
• test(claude-agent-sdk): run subagent in foreground so trace nests correctly by @emil-lc in https://github.com/langchain-ai/langsmith-sdk/pull/3339
• release(py): 0.10.16 by @emil-lc in https://github.com/langchain-ai/langsmith-sdk/pull/3337

New Contributors

• @vladislav-nechakhin made their first contribution in https://github.com/langchain-ai/langsmith-sdk/pull/3313

Full Changelog: https://github.com/langchain-ai/langsmith-sdk/compare/v0.10.15...v0.10.16