feat: migrate to A2A protocol v1.0.0 stable#3
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Breaking changes from v1.0.0-rc proto (lf.a2a.v1): TaskPushNotificationConfig — flatten nested config - Remove PushNotificationConfig as a standalone type - Inline url, token, authentication directly into TaskPushNotificationConfig - tenant field moved to first position matching proto field order SendMessageConfiguration — field renames - blocking -> return_immediately (JSON: "returnImmediately") - push_notification_config: Option<PushNotificationConfig> -> task_push_notification_config: Option<TaskPushNotificationConfig> CreateTaskPushNotificationConfig — simplified input - Remove CreateTaskPushNotificationConfigRequest wrapper type - RPC and REST handler now take TaskPushNotificationConfig directly - REST handler injects task_id/tenant from path/query into body ListTaskPushNotificationConfig -> ListTaskPushNotificationConfigs (plural) - Rename request/response types, handler method, client method - JSON-RPC method constant value updated to "ListTaskPushNotificationConfigs" CancelTaskRequest — add optional metadata field Task.context_id — String -> Option<String> - RC had field_behavior = REQUIRED; stable removes it Crate version 0.1.0 -> 1.0.0 to track protocol stable release Update normative sources in CLAUDE.md, AGENTS.md, README, lib.rs, store.rs, examples, templates to reference v1.0.0 stable. ImplicitOAuthFlow/PasswordOAuthFlow retained: release notes say removed but official published definitions still include them as deprecated (lines 596-608, 634-647). Will drop when the published definitions stop advertising them. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
TaskPushNotificationConfigflattened — removes nestedPushNotificationConfig;url,token,authenticationare now direct fields;PushNotificationConfigtype removedSendMessageConfigurationfield renames —blocking→return_immediately(JSONreturnImmediately);push_notification_config→task_push_notification_config: Option<TaskPushNotificationConfig>CreateTaskPushNotificationConfigsimplified — removesCreateTaskPushNotificationConfigRequestwrapper; RPC and REST now takeTaskPushNotificationConfigdirectly; REST injectstask_id/tenantfrom path/query into body;configIdquery param goneListTaskPushNotificationConfigspluralised — request/response types, handler method, client method, JSON-RPC method constant value all updatedCancelTaskRequest.metadata— new optional field; REST handler accepts optional JSON bodyTask.context_id—String→Option<String>(REQUIRED annotation removed in stable proto)0.1.0→1.0.0— tracks A2A stable releaseCLAUDE.md,AGENTS.md,README,docs/proto-first-design.mdreferencev1.0.0tag andlf.a2a.v1packageImplicitOAuthFlow/PasswordOAuthFlowretained: release notes say removed but the official published definitions still include them asdeprecated. Will drop when the definitions stop advertising them.Test plan
cargo test --no-default-features— 40 unit tests passcargo test --all-features— 96 tests pass (unit + integration + wiremock + server + spec)cargo clippy --all-targets --no-default-features -- -D warningscargo clippy --all-targets --all-features -- -D warnings🤖 Generated with Claude Code