chore(deps): update strands-agents requirement from >=0.1.0 to >=1.35.0 in /apps/functions

[dependabot]

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

Release notes

Sourced from strands-agents's releases.

v1.35.0

What's Changed

Features

Bedrock Service Tier Support — PR#1799

Amazon Bedrock now offers service tiers (Priority, Standard, Flex) that let you control the trade-off between latency and cost on a per-request basis. BedrockModel accepts a new service_tier configuration field, consistent with how other Bedrock-specific features like guardrails are exposed. When not set, the field is omitted and Bedrock uses its default behavior.

from strands import Agent
from strands.models.bedrock import BedrockModel
Use "flex" tier for cost-optimized batch processing
model = BedrockModel(
model_id="us.anthropic.claude-sonnet-4-20250514-v1:0",
service_tier="flex",
)
agent = Agent(model=model)
Use "priority" for latency-sensitive applications
realtime_model = BedrockModel(
model_id="us.anthropic.claude-sonnet-4-20250514-v1:0",
service_tier="priority",
)

Valid values are "default", "priority", and "flex". If a model or region does not support the specified tier, Bedrock returns a ValidationException.

Bug Fixes

• Sliding window conversation manager user-first enforcement — PR#2087: The sliding window could produce a trimmed conversation starting with an assistant message, causing ValidationException on providers that require user-first ordering (including Bedrock Nova). The trim-point validation now ensures the first remaining message always has role == "user". Also fixed a short-circuit logic bug in the toolUse guard that let orphaned tool-use blocks slip through at window boundaries.

• MCP _meta forwarding — PR#1918, PR#2081: Custom metadata per the MCP spec was silently dropped because MCPClient never forwarded the _meta field to ClientSession.call_tool(). Additionally, the OTEL instrumentation used model_dump() instead of model_dump(by_alias=True), serializing the field as "meta" instead of "_meta" and corrupting the payload. Both the direct call_tool and task-augmented execution paths now correctly forward meta.

• Tool exception propagation to OpenTelemetry spans — PR#2046: When a tool raised an exception, the original exception was dropped before reaching end_tool_call_span, causing all tool spans to get StatusCode.OK even on errors. Tool errors now correctly propagate with StatusCode.ERROR, preserving the original exception type and traceback for observability backends like Langfuse.

• Anthropic premature stream termination — PR#2047: The Anthropic provider crashed with AttributeError when the stream terminated before the final message_stop event, because it accessed event.message.usage on event types that lack a .message attribute. Now uses the Anthropic SDK's stream.get_final_message() to read accumulated usage from all received events, gracefully handling premature termination and empty streams.

• Anthropic Pydantic deprecation warnings — PR#2044: Fixed message_stop event handling to avoid Pydantic deprecation warnings.

New Contributors

• @​mananpatel320 made their first contribution in strands-agents/sdk-python#1918
• @​opieter-aws made their first contribution in strands-agents/sdk-python#2044
• @​mattdai01 made their first contribution in strands-agents/sdk-python#2046
• @​KKamJi98 made their first contribution in strands-agents/sdk-python#1906
• @​gautamsirdeshmukh made their first contribution in strands-agents/sdk-python#2047

... (truncated)

Commits

• cd5da4f fix(test): fix anthropic stream test mock missing get_final_message (#2094)
• 289e22a fix(test): update session integ test for sliding window conversation manager ...
• f58117c ci: add weekly markdown link check workflow (#2088)
• 2f9ffb1 fix: handle premature stream termination for Anthropic (#1868) (#2047)
• 46937d2 fix: forward meta to MCP task-augmented tool calls (#2081)
• 65b06d9 fix: enforce that the first message is a user message in the sliding window c...
• e7a2174 fix(docs): update 19 broken documentation links in README (#1906)
• 287c5b6 fix: propagate tool exceptions to spans so StatusCode.ERROR is set correctly ...
• a19e73d fix(anthropic): avoid Pydantic warnings for message_stop events (#2044)
• 1682a0c fix: forward _meta to MCP tool calls and fix model_dump alias seriali… (#1918)
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