CoWorker 0.4.1

What's Changed

• docs(release): finalize v0.4.0 changelog by @Zoupers in #188
• Bump the "all-dependencies" group with 4 updates across multiple ecosystems by @dependabot[bot] in #185
• feat(memory): abstract long-term memory backend by @Zoupers in #189
• feat(wecom): support multiple simultaneous WeCom bot channels by @Zoupers in #190
• fix(wecom): keep existing default bot when adding a new instance by @Zoupers in #192
• chore(ci): warm merge queue caches from main by @Zoupers in #193
• fix(agent): require tool action across active cycles by @Zoupers in #191
• chore(release): prepare v0.4.1 by @Zoupers in #194

Full Changelog: v0.4.0...v0.4.1