Add server-side PostHog tracking for AI agent analytics#752

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nearestnabors wants to merge 3 commits intomainfrom

feature/posthog-ai-agent-tracking

Commits on Feb 11, 2026

Add server-side PostHog tracking for AI agent analytics

nearestnabors
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claude
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Commits on Feb 13, 2026

Rename event to server_markdown_request to avoid double-counting

nearestnabors
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claude
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Log PostHog tracking errors instead of silently swallowing

nearestnabors
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claude
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