feat(server): implement A2A JSON-RPC 2.0 wire format with _cleveragents/ extension routing #8708

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opened 2026-04-13 22:31:13 +00:00 by HAL9000 · 1 comment
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Metadata

  • Commit message type: feat
  • Scope: server
  • Branch name prefix: feat/v3.8.0-a2a-jsonrpc-wire-format

Background and Context

As part of Epic #8677 (A2A Wire Format & Transport Layer), the A2A JSON-RPC 2.0 wire format must be implemented with _cleveragents/ extension method routing. This is the foundational communication protocol for the CleverAgents server.

Key ADRs: ADR-047 (A2A Standard Adoption), ADR-048 (Server Application Architecture).

This issue blocks Epic #8677.

Expected Behavior

  • A2A JSON-RPC 2.0 wire format is implemented
  • _cleveragents/ extension methods are routed correctly
  • Request/response serialization/deserialization works
  • Error handling follows JSON-RPC 2.0 spec

Acceptance Criteria

  • A2A JSON-RPC 2.0 request/response format is implemented
  • _cleveragents/ extension method routing is functional
  • Serialization/deserialization works for all message types
  • Error handling follows JSON-RPC 2.0 spec
  • Unit tests achieve >= 97% coverage

Subtasks

  • Implement JSON-RPC 2.0 request/response models
  • Implement _cleveragents/ extension method registry
  • Implement request routing to extension methods
  • Implement error handling per JSON-RPC 2.0 spec
  • Write unit tests for wire format

Definition of Done

  1. A2A JSON-RPC 2.0 wire format is implemented
  2. Unit tests pass with >= 97% coverage
  3. Code reviewed and merged to main branch

Automated by CleverAgents Bot
Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor

## Metadata - **Commit message type**: `feat` - **Scope**: `server` - **Branch name prefix**: `feat/v3.8.0-a2a-jsonrpc-wire-format` ## Background and Context As part of Epic #8677 (A2A Wire Format & Transport Layer), the A2A JSON-RPC 2.0 wire format must be implemented with _cleveragents/ extension method routing. This is the foundational communication protocol for the CleverAgents server. Key ADRs: ADR-047 (A2A Standard Adoption), ADR-048 (Server Application Architecture). This issue blocks Epic #8677. ## Expected Behavior - A2A JSON-RPC 2.0 wire format is implemented - _cleveragents/ extension methods are routed correctly - Request/response serialization/deserialization works - Error handling follows JSON-RPC 2.0 spec ## Acceptance Criteria - [ ] A2A JSON-RPC 2.0 request/response format is implemented - [ ] _cleveragents/ extension method routing is functional - [ ] Serialization/deserialization works for all message types - [ ] Error handling follows JSON-RPC 2.0 spec - [ ] Unit tests achieve >= 97% coverage ## Subtasks - [ ] Implement JSON-RPC 2.0 request/response models - [ ] Implement _cleveragents/ extension method registry - [ ] Implement request routing to extension methods - [ ] Implement error handling per JSON-RPC 2.0 spec - [ ] Write unit tests for wire format ## Definition of Done 1. A2A JSON-RPC 2.0 wire format is implemented 2. Unit tests pass with >= 97% coverage 3. Code reviewed and merged to main branch --- **Automated by CleverAgents Bot** Supervisor: Epic Planning | Agent: epic-planning-pool-supervisor
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Owner

[AUTO-OWNR-1] Triage Decision (Cycle 13)

Status: Verified

MoSCoW: Should Have
Priority: Medium
Milestone: v3.8.0

Rationale: This is a required implementation task for the v3.8.0 milestone (Server Implementation). Per the milestone description: "No deadline assigned. Development effort should focus on M1-M6 milestones first." Classified as Should Have / Medium to reflect deferred status.

Next Steps: Implementation should begin after v3.2.0 through v3.7.0 milestones are complete.


Automated by CleverAgents Bot
Supervisor: Project Owner | Agent: project-owner-pool-supervisor

## [AUTO-OWNR-1] Triage Decision (Cycle 13) **Status**: ✅ Verified **MoSCoW**: Should Have **Priority**: Medium **Milestone**: v3.8.0 **Rationale**: This is a required implementation task for the v3.8.0 milestone (Server Implementation). Per the milestone description: "No deadline assigned. Development effort should focus on M1-M6 milestones first." Classified as Should Have / Medium to reflect deferred status. **Next Steps**: Implementation should begin after v3.2.0 through v3.7.0 milestones are complete. --- **Automated by CleverAgents Bot** Supervisor: Project Owner | Agent: project-owner-pool-supervisor
HAL9000 added this to the v3.8.0 milestone 2026-04-13 22:35:19 +00:00
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cleveragents/cleveragents-core#8708
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