feat!: Make ServerCallContext parameter mandatory across all places#405
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bartek-gralewicz merged 6 commits intoApr 13, 2026
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This pull request updates the codebase to make the ServerCallContext parameter mandatory across several key interfaces and classes, including A2ARequestHandler, TaskStore, RequestContext, and ResultManager. This change ensures that execution context is explicitly handled throughout the request lifecycle. The DefaultRequestHandler and JsonRpcTransportHandler implementations, along with the associated test suites, have been updated to comply with these new type requirements. The review feedback highlights several instances where optional chaining and runtime null checks have become redundant due to these type changes, presenting opportunities for code simplification.
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ishymko
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Apr 9, 2026
ishymko
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Apr 9, 2026
guglielmo-san
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Apr 13, 2026
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🤖 I have created a release *beep* *boop* --- ## 1.0.0-alpha.0 (2026-05-11) See the [v0.3 -> v1.0-alpha.0 migration guide](https://github.com/a2aproject/a2a-js/blob/v1.0.0-alpha.0/docs/migration-guide.md). **Note**: Enabling backward compatibility with v0.3 is tracked in [#452](#452). ### ⚠ BREAKING CHANGES * Drop support for node 18 ([#368](#368)) * Make ServerCallContext parameter mandatory across all places ([#405](#405)) * Remove JSON-RPC client ([#353](#353)) * Remove transport-specific exports ([#404](#404)) * Update codebase to use A2A 1.0.0 data model ([#375](#375)) * Remove A2AExpressApp ([#363](#363)) ### Features * Add A2A Version Header ([#422](#422)) ([b5f3db7](b5f3db7)) * Add cache-headers logic to the agent card handler ([#435](#435)) ([955b52b](955b52b)) * Add resource scoping ([#450](#450)) ([c527086](c527086)) * Add support for custom authentication scheme and credentials in auth-headers ([#430](#430)) ([5a4389b](5a4389b)) * AgentCardSignature support ([#448](#448)) ([4a41a8c](4a41a8c)) * Enforce events ordering ([#437](#437)) ([157cf48](157cf48)) * Enriched Error Model ([#427](#427)) ([c130778](c130778)) * Implement listTasks method ([#383](#383)) ([7d4c472](7d4c472)) * Send current task as the first event after subscribing to it ([#418](#418)) ([4bfcf5f](4bfcf5f)) * Support multi-tenancy ([#419](#419)) ([1877877](1877877)) ### Code Refactoring * remove A2AExpressApp ([#363](#363)) ([0b84728](0b84728)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: bartek-gralewicz <bgralewicz@google.com> Co-authored-by: Ivan Shymko <ishymko@google.com>
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Description
Made
ServerCallContexta mandatory parameter across all extension points.Notes:
InMemoryTaskStoredoes not use theServerCallContextbut still accepts it as an argument to align withTaskStoreinterface which it implements.Fixes #179 🦕