fix(llm-wiki): let bounded drains complete

[ivankuznetsov]

Summary

• vendor the standalone scheduler-timeout fix across Claude, Codex, Pi, and OpenClaw
• raise the managed Linux service limit to 4 hours without relaxing resource controls
• prepare marketplace llm-wiki 0.3.4

Verification

• 69 offline tests pass in an isolated runtime directory
• deterministic package generation is current
• plugin inventory validation passes
• Bash syntax and diff checks pass

Live model credential checks remain intentionally omitted.