Help me build a LinkedIn engagement strategy.

My role: {{role}}
My current following / engagement: {{current}}
My goal: {{goal}}
Time I can give per day: {{daily_minutes}}

Return:
1. The daily 15-30 min routine (commenting, posting, DMs) — what to actually do
2. Whose posts to engage with (categories, not just specific people)
3. The kind of comments that move the needle vs. waste of time
4. Posting cadence and the 4-week test
5. The "1% of LinkedIn" behaviors that compound
6. Things to STOP doing if I'm doing them (spammy hashtags, "agree?", AI-sludge posts)
7. How to measure if it's working at 30 days, 90 days, 6 months
8. The single most important habit