docs: sync TRUTH.md + wiki/log for Batch 3/8 completion

TRUTH.md: update date, add workspace test count 797
wiki/log.md: append 2026-04-19 entry for sqlx upgrade + test coverage

wiki/log.md

@@ -1,6 +1,6 @@
 ---
 title: 变更日志
-updated: 2026-04-17
+updated: 2026-04-19
 status: active
 tags: [log, history]
 ---
@@ -9,6 +9,13 @@ tags: [log, history]
 
 > Append-only 操作记录。格式: `## [日期] 类型 | 描述`
 
+## 2026-04-19 chore | sqlx 0.7→0.8 统一 + 测试覆盖补充
+
+- sqlx workspace 0.7→0.8.6 + libsqlite3-sys 0.27→0.30，消除 pgvector 引入的双版本
+- 零源码修改，719→797 测试全通过
+- zclaw-protocols +43 测试: MCP types serde / transport config / domain roundtrips
+- zclaw-skills +47 测试: SKILL.md/TOML parsing / auto-classify / PromptOnlySkill / types roundtrips
+
 ## 2026-04-18 fix | 审计后续 3 项修复
 
 - Shell Hands 残留清理 3 处 (message.rs 注释/profiler 偏好/handStore mock)