[dependabot]

Bumps the minor-and-patch group with 3 updates in the /a2a/recipe_agent directory: pydantic-settings, opentelemetry-exporter-otlp and pyasn1.

Updates pydantic-settings from 2.15.0 to 2.16.2

Release notes

Sourced from pydantic-settings's releases.

v2.16.1

Highlights

This patch release fixes two CLI regressions introduced in 2.16.0.

Bug fixes

CLI

• Fixed-length tuple positionals such as CliPositionalArg[tuple[int, int]] and NamedTuples are single-valued again (#1069). Since 2.16.0 they were treated as variadic, so a CLI either refused to start with a SettingsError or put the wrong argument into the tuple. Variable-length tuples (tuple[int, ...] and bare Tuple) are still variadic.
• A field typed as an alias of a list of dicts, e.g. type ListOfDict = list[dict[str, int]], accepts a JSON list again (#1049). Since 2.16.0, --xx '[{"a":1},{"b":2}]' was merged into the single dict {"a": 1, "b": 2} and failed validation.

What's Changed

• Harden CI by @​Viicos in pydantic/pydantic-settings#1044
• Keep list of dicts CLI values as lists by @​hramezani in pydantic/pydantic-settings#1049
• Keep fixed-length tuple CLI positionals single-valued by @​hramezani in pydantic/pydantic-settings#1069
• Prepare release 2.16.1 by @​hramezani in pydantic/pydantic-settings#1087
• build(deps): bump the python-packages group with 3 updates by @​dependabot[bot] in pydantic/pydantic-settings#1056

Full Changelog: pydantic/pydantic-settings@v2.16.0...v2.16.1

v2.16.0

Highlights

Breaking changes and behavior changes

• Python 3.10 is no longer supported (#1003). pydantic-settings now requires Python 3.11+, since 3.10 reaches end of life this month. The tomli fallback is gone in favor of stdlib tomllib; the toml extra is kept as an empty extra so pip install pydantic-settings[toml] keeps working.
• python-dotenv>=1.2.2 is now required (#971) to pick up the fix for CVE-2026-28684.
• Aliases are ignored in every source when validate_by_alias=False (#1033). Env vars, secrets, CLI flags and defaults now use only field names, matching pydantic. An env var named after the alias is now ignored instead of raising extra_forbidden, and the CLI exposes --apple rather than --pomo.
• validation_alias takes precedence over alias (#1038). When the two differ, values from JSON/YAML/TOML files and the CLI were silently ignored; they now load. CLI help lists the validation_alias flag first, and CliApp.serialize emits it.
• CLI case-insensitivity only lowercases registered options (#1036). With case_sensitive=False, args after -- and those captured by CliUnknownArgs keep their case (-Xmx4G no longer becomes -xmx4g). Unrecognized options are now reported as typed (--NOPE instead of --nope).
• JSON and YAML config files are read as UTF-8 by default (#955) instead of the locale encoding, completing the secrets-file fix from 2.15.0. json_file_encoding/yaml_file_encoding still override it.
• Discriminated union defaults are partially updated again (#997). This reverts the 2.15.0 regression with nested_model_default_partial_update=True: the default is only dropped when the incoming value selects a different union member.

New features

• Python 3.15 and pydantic 2.14 support (#1026, #1029, #1022). pydantic 2.14 broke CliApp.run and validate_by_alias=False handling; both are fixed.
• Cached settings instances via Settings.settings_cached() and Settings.settings_clear_cache() (#952). These give you a process-local singleton per settings class without hand-rolling lru_cache wrappers. Calling the class directly still builds a fresh instance.
• AWS Systems Manager Parameter Store source — AWSSystemsManagerSettingsSource (#941). It recursively reads every parameter under an ssm_path, with / mapping onto nested models. Install it with the new aws-systems-manager extra.
• env_file_depth (#940) lets a relative env_file be found in parent directories, mirroring pyproject_toml_depth. This is useful when scripts run from a subdirectory of a monorepo. It defaults to 0, which keeps the current behavior.
• CliVariadicArg for named variadic options (#949, #958). It accepts --param a b c in addition to repeated --param a --param b. Required fields need at least one value.

Bug fixes

CLI

... (truncated)

Commits

• 94150a0 Prepare release 2.16.2 (#1111)
• 9e02de0 Fix JSON decoding of nested dictionary environment values (#1109)
• 7e2dacb Fix CliApp reconstruction of AliasPath inputs (#1096)
• 2d1f924 Fix explicit nested secrets directory precedence (#1093)
• e9588ae Fix regressions from nested dict union value decoding (#1089) (#1097)
• e71a53e Decode nested dictionary values with complex union types (#1089)
• 8dc9e05 Resolve only the discriminator annotation of stdlib dataclass defaults (#1077)
• c50c853 Detect nested Field discriminators in default partial updates (#1076)
• 9aabb8a build(deps): bump the python-packages group with 3 updates (#1056)
• 4e286e2 Prepare release 2.16.1 (#1087)
• Additional commits viewable in compare view

Updates opentelemetry-exporter-otlp from 1.45.0 to 1.45.2

Changelog

Sourced from opentelemetry-exporter-otlp's changelog.

Version 1.45.2/0.66b2 (2026-10-29)

Added

• opentelemetry-sdk, opentelemetry-configuration, opentelemetry-exporter-prometheus: enforce metric cardinality limits (default 2000) with the otel.metric.overflow attribute, configurable through View(aggregation_cardinality_limit=...), reader cardinality_limits and declarative configuration (#5809)

Fixed

• opentelemetry-api: limit traceparent header length to 512 characters in TraceContextTextMapPropagator during extraction (#5818)

Version 1.45.1/0.66b1 (2026-10-06)

Fixed

• opentelemetry-api: make AnyValue and AttributeValue explicit type aliases (#5703)
• opentelemetry-sdk: fix thread leak bug in resource initialization logic for long running resource detectors (#5706)
• opentelemetry-exporter-otlp-proto-http: restore requests as the default HTTP transport so proxy environment variables such as HTTPS_PROXY are honored again (#5714)
• opentelemetry-api: fix quadratic time parsing of the tracestate header and discard tracestate headers longer than 8192 characters (#5746)

Commits

• ad75594 [release/v1.45.x-0.66bx] Prepare release 1.45.2/0.66b2 (#5862)
• 78123a2 [release/v1.45.x-0.66bx] Backport metric cardinality limits and traceparent p...
• 14971ce Prepare release 1.45.1/0.66b1 (#5752)
• 44ac26e opentelemetry-sdk: fix thread leak bug in resource initialization logic (#570...
• a2ec3f9 [release/v1.45.x-0.66bx] opentelemetry-exporter-otlp-proto-http: restore requ...
• d5224bf opentelemetry-api: improve performance of tracestate parsing (#5746) (#5749)
• db61173 Declare AnyValue and AttributeValue as explicit type aliases (#5703) (#5750)
• See full diff in compare view

Updates pyasn1 from 0.6.4 to 0.6.5

Release notes

Sourced from pyasn1's releases.

Release 0.6.5

Revision 0.6.5, released 26-10-2026

• GHSA-mm57-4v3p-rchx: Decoded binary REAL mantissas in linear time instead of repeatedly shifting a growing integer and slicing the remaining bytes (thanks for reporting, manus-use, manus-pi, ucsurf, adriank31)
• GHSA-2qm8-x737-gmw5: Reassembled constructed BIT STRING fragments in linear time while preserving their decoded bit values, including intermediate fragment padding (thanks for reporting, manus-use)
• GHSA-9m75-vc3g-4x39: Reassembled constructed OCTET STRING and character-string fragments and indefinite-length ANY content in linear time. Nested constructed OCTET STRING fragments now contribute their decoded octets (thanks for reporting, alimony, manus-pi, adriank31)
• GHSA-fm9c-5rcf-2q5p: Bounded schemaless container type tracking after two distinct tag sets to prevent quadratic CPU use from colliding long tag IDs (thanks for reporting, droideck)

Changelog

Sourced from pyasn1's changelog.

Revision 0.6.5, released 26-10-2026

• GHSA-mm57-4v3p-rchx: Decoded binary REAL mantissas in linear time instead of repeatedly shifting a growing integer and slicing the remaining bytes (thanks for reporting, manus-use, manus-pi, ucsurf, adriank31)
• GHSA-2qm8-x737-gmw5: Reassembled constructed BIT STRING fragments in linear time while preserving their decoded bit values, including intermediate fragment padding (thanks for reporting, manus-use)
• GHSA-9m75-vc3g-4x39: Reassembled constructed OCTET STRING and character-string fragments and indefinite-length ANY content in linear time. Nested constructed OCTET STRING fragments now contribute their decoded octets (thanks for reporting, alimony, manus-pi, adriank31)
• GHSA-fm9c-5rcf-2q5p: Bounded schemaless container type tracking after two distinct tag sets to prevent quadratic CPU use from colliding long tag IDs (thanks for reporting, droideck)

Commits

• 5d16736 Prepare release 0.6.5
• a36e3a3 Fix quadratic CPU use in schemaless container decoding
• 4ce0079 Remove quadratic constructed OCTET STRING and ANY reassembly
• 73ba7b0 Remove quadratic constructed BIT STRING reassembly
• ce3ec33 Remove quadratic binary REAL mantissa decoding
• See full diff in compare view

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