Add proactive-agent skill by googlarz

[googlarz]

Summary

• Adds a new proactive-agent skill under skills/googlarz/proactive-agent/
• Monitors conversations and scores (0–10) whether a calendar entry + check-in pair is warranted
• Integrates with Google Calendar via gcalcli to create a dedicated OpenClaw calendar
• Schedules pre-event prep check-ins and post-event follow-ups automatically
• Scans the user's calendars for upcoming events and proactively offers help
• Fully configurable: thresholds, offsets, and per-feature toggles via config.txt

Test plan

• Install skill into ~/.openclaw/workspace/skills/proactive-agent/
• Run gcalcli init and verify Google Calendar auth
• Confirm OpenClaw calendar creation command works
• Mention an upcoming event in conversation and verify check-in prompt fires
• Verify pre/post OpenClaw calendar entries are created with correct times
• Run gcalcli agenda scan and confirm proactive outreach triggers at threshold
• Edit config.txt and confirm updated preferences are respected

🤖 Generated with Claude Code

[openclaw-barnacle]

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