sync-memory

Batch-sync this session's learnings, insights.json entries, and campaign history into the persistent memory layer — incremental from the last checkpoint so repeat runs are fast and idempotent — and report exactly what was synced, skipped, or failed. Triggers on "/digital-marketing-pro:sync-memory", "save what we learned this session", "sync insights to memory", "persist campaign learnings before I close", "did my…