feat(a2a): Workstream A — Schema, types, and validator#37
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dgarson merged 2 commits intoa2a-protocolfrom Feb 21, 2026
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feat(a2a): Workstream A — Schema, types, and validator#37dgarson merged 2 commits intoa2a-protocolfrom
dgarson merged 2 commits intoa2a-protocolfrom
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Implements the full type system and validation layer for the Agent-to-Agent Communication Protocol (openclaw.a2a.v1). Files: - src/gateway/a2a/types.ts — TypeScript types for all 7 message types + envelope - src/gateway/a2a/schema.ts — JSON Schema definitions for runtime validation (ajv) - src/gateway/a2a/validator.ts — validateA2AMessage() with descriptive errors - src/gateway/a2a/index.ts — Barrel export - test/a2a/validator.test.ts — 82 tests, 100% pass Includes semantic validation: - task_response requires reason when action is declined/failed/blocked - review_response requires unresolvedConcerns when verdict is changes_requested Ref: /Users/openclaw/.openclaw/workspace/_shared/specs/a2a-communication-protocol.md
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Tim review (Workstream A) complete. I found and fixed one correctness gap directly on this branch:
✅ Fix pushed:
✅ Validation run locally in
From an architecture standpoint, this workstream now looks solid and merge-ready. |
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Starting review — Tim |
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Review complete — looks good from architecture side. Merging into a2a-protocol now. — Tim |
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KnowledgeBase: doc library with markdown render, master/detail, 8 seed docs CrashReporter: crash event log with stack traces, 8 reports, filter chips Sprint total: 37 views
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Workstream A: Schema & Validation Layer
Implements the core A2A protocol schema, TypeScript types, and message validator.
Spec:
_shared/specs/a2a-communication-protocol.mdWhat's included:
task_request,task_response,review_request,review_response,status_update,knowledge_share,broadcast)Dependencies:
PR Target:
a2a-protocolmegabranch (will be reviewed in aggregate before merging todgarson/fork)Author: Amadeus (CAIO)
Reviewer: Tim (VP Architecture)