fix(deps): update dependency a2a-sdk to v1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
a2a-sdk (changelog)	>=0.3.10,<1.0.0 → >=1.2.2,<1.3.0

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Release Notes

a2aproject/a2a-python (a2a-sdk)

v1.2.2

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Features

• allow configuring SSE shutdown grace periods (#​1222) (6ff0a82)

Bug Fixes

• client: handle REST error bodies that are not a google.rpc.Status (#​1300) (ee61dc1)
• compat: keep timestamp and three other fields in v0.3 gRPC conversion (#​1277) (fad0482), closes #​1276
• compat: treat an unset v0.3 history_length as unlimited (#​1306) (21fe836), closes #​1305
• server: name the task state in terminal-state errors (#​1302) (fdca1d0)
• server: return the stored id when creating a push notification config (#​1236) (dac7d9d), closes #​1237
• server: stop printing a traceback to stderr for malformed JSON-RPC bodies (#​1301) (5a1a004)

v1.2.1

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Bug Fixes

• server: use keyset cursors for ListTasks page tokens (#​1282) (b7cba7c), closes #​1280

v1.2.0

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Features

• rest: serve HTTP+JSON responses as application/a2a+json (#​1274) (dc5a5da)
• server: add caching headers to the agent card endpoint (#​1272) (83d7f5d)
• server: add multi-replica cluster mode (#​1281) (942d621)
• server: add opt-in validation of message media types against the agent card (#​1269) (8037b24)

Bug Fixes

• compare in-memory task timestamps numerically (#​1233) (0d5473c)
• server: ignore unrecognized request fields and fix parse-error data shape (#​1273) (83f1cf8)
• server: reject a message whose contextId disagrees with its task (#​1270) (c25022f)
• server: reject terminal-task operations with UnsupportedOperationError (#​1268) (6cce91b)
• server: send PushNotificationConfig.authentication as an Authorization header (#​1271) (5751d31), closes #​585

Documentation

• samples: add Agent Card signing sample (#​1198) (f3ac824)

v1.1.5

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Bug Fixes

• deps: support protobuf 7 (#​1260) (67ba0a4)
• replace deprecated FieldDescriptor.label with is_repeated in proto_utils (#​1158) (4554e2d)
• server: avoid out-of-range datetime task ordering (#​1220) (d55a3d3)

v1.1.4

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Features

• itk: register itk-python-v10-agent as a uv workspace member and update dependency version markers (#​1203) (6eee895)
• itk: use shared scenarios (#​1201) (b4a0b21)

Bug Fixes

• make event queue sink removal idempotent (#​1134) (58c72c6)
• omit artifacts from list tasks responses (#​1212) (35ef52e)
• owner-scope cancel/subscribe and write terminal state on cancel (#​1159, #​1170) (#​1172) (ddbf853)
• prevent first-owner write loss in in-memory stores (#​1194) (bcc489c)
• server: let subscriber taps evict on full instead of wedging dispatch (#​1137) (0c2126f)
• server: surface producer errors after failed tasks (#​1229) (bc32d7e)
• server: validate push-notification URLs at config creation (#​1173) (3eb88e2)
• server: validate push-notification URLs before dispatch (SSRF hardening) (#​1164) (57a9df3)
• server: warn when queue_manager is ignored in DefaultRequestHandlerV2 (#​1153) (08fd223)

Documentation

• server: say what the evict-on-full check actually tests (#​1209) (4b7b242)

v1.1.3

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Bug Fixes

• use threading.RLock for in-memory server singletons (#​1162) (5bae35b)

v1.1.2

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Features

• server: add aclose() to drain ActiveTask background tasks (#​1101) (#​1105) (9801f46)

Bug Fixes

• agent_execution: resolve ActiveTask 'destroyed but pending' warning during teardown (#​1122) (d19c4d2)
• persist early producer failure as FAILED with originating message (#​1106) (4e3d724)

v1.1.1

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Bug Fixes

• server: improve Swagger /docs example annotations for A2A routes (#​1092) (46b292b)

Miscellaneous Chores

• grpc: eliminate third-party grpcio-status dependency (#​1130) (723880e)
• http: eliminate httpx-sse dependency (#​1132) (0d82ab9)

v1.1.0

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Features

• server: restore FastAPI /docs visibility for A2A routes (#​1024) (1122d4e)

Bug Fixes

• compat: remove ListTasks from v0.3 REST adapter (#​1043) (#​1068) (5c88793)
• properly convert metadata to dict in RequestContext.metadata (#​1081) (d2f2e18)
• raise on append=True for unknown artifact_id (#​1038) (#​1077) (fe1f24b)
• release reference count on non-terminal exit to prevent stale registry entries (#​1079) (501255c)
• server: preserve non-ASCII characters in streaming JSON responses (#​1080) (d46c6f9)
• telemetry: don't mark QueueShutDown as an error span (#​1075) (54a485c)

Documentation

• clarify EventQueue usage (#​1066) (11dd68a)

Miscellaneous Chores

• release 1.1.0 (#​1088) (3058a33)

v1.0.3

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Features

• helpers: add non-text Part extractors and artifact update events (745d998)

Bug Fixes

• deps: cap protobuf below 7 (#​1019) (7af6050)
• errors: align error mappings with A2A spec (#​1055) (4e01a91)
• errors: emit JSON-RPC error.data as typed-details array per A2A 1.0 spec hot-fix (#​1058) (3ce65c5)
• Improve task_push_notification_config presence check. (#​1047) (94ad594)

Documentation

• high level active task architecture documentation (#​1056) (09a2221)

v1.0.2

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Features

• helpers: add non-text Part, Message, and Artifact helpers (#​1004) (cfdbe4c)

Bug Fixes

• proto: use field.label instead of is_repeated for protobuf compatibility (#​1010) (7d197db)
• server: deliver push notifications across all owners (#​1016) (c24ae05)

v1.0.1

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Bug Fixes

• compat: avoid unconditional grpc import in v0.3 context builders (#​1006) (6b46ceb)

v1.0.0

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See the v0.3 → v1.0 migration guide and changelog entries for alpha versions below.

⚠ BREAKING CHANGES

• remove Vertex AI Task Store integration (#​999)

Bug Fixes

• rely on agent executor implementation for stream termination (#​988) (d77cd68)

Documentation

• add comprehensive v0.3 to v1.0 migration guide (#​987) (10dea8b)

Miscellaneous Chores

• release 1.0.0 (530ec37)
• remove Vertex AI Task Store integration (#​999) (7fce2ad)

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