chore(research): weekly scan 2026-04-22 [auto]

Author: J.A.R.V.I.S.

research/weekly/2026-04-22-weekly-scan.md

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+# ACP 竞品周报 — 2026-04-22
+
+_由贾维斯自动生成_
+
+## A2A (Google) — 2026-04-22
+- Stars: 23340 | Open Issues: 235
+### 最新 Commits
+- `7ff1004` 2026-04-21 fix(spec): prefer application/a2a+json in HTTP binding (#1753)
+- `757f0ec` 2026-04-14 fix(spec): recent transcoding-related error changes (#1627)
+- `3947dac` 2026-04-09 docs(GOVERNANCE.md): How to add new TSC members (#1571)
+- `8dda73b` 2026-04-09 docs: Add Rust SDK to list of official SDKs (#1729)
+- `b9f03d4` 2026-04-09 docs: update code snippet markers to match refactored sample identifie
+### 新 Issues（功能请求）
+- #830 [Feat]: OAuth 2.1-compliant Authorization for A2A
+- #563 [Feat]: Support multi-agent composition by registering HostAgent via c
+
+## ANP (社区)
+- `cf38083` 2026-04-15 docs: sync WNS spec updates
+- `fc7e158` 2026-04-10 update english protocol
+- `6c5a67a` 2026-04-10 update DataIntegrityProof
+- `20641cd` 2026-04-10 update origin_proof
+- `bf2bddc` 2026-04-09 update docs links
+
+## IBM ACP
+- `e5265ca` 2025-08-25 docs: A2A announcement (#230)
+- `e8299f8` 2025-08-21 chore: bump version
+- `00afccd` 2025-08-21 fix(python): revert cachetools version bump to avoid conflicts
+
+## 本周行动建议
+_(需贾维斯人工分析后补充)_