remove skills (#20)

Merge branch 'main' of github.com:xiehust/cloud-native-nanoclaw

update

fix: align CDK region with deploy.sh to prevent ECS CannotPullContainerError

fix: remove unimplemented WebAdapter to fix build errors

Merge remote-tracking branch 'gitlab/main'

Initial commit

feat(dingtalk): complete DingTalk channel — leader election, media, security fixes & docs (#18)

feat: skills management — global skill library with plugin-aware install (#17)

Merge pull request #16 from xiehust/fix/critical-performance-issues

perf: address code review — best-effort botCount + remove dead code

perf: fix 2 Critical findings — N+1 admin queries + channel discovery scans

Merge pull request #15 from xiehust/fix/critical-security-issues

fix(security): address code review — random secret + timing-safe compare

fix(security): resolve all 5 Critical findings from security review