youtube-long-form The growth engine for YouTube long-form — the opposite engine from Shorts . No swipe feed to win; instead a packaging gate (the click) and a retention gate (do they stay, and watch more). It's decoupled from Shorts, though the Short→long click-through is now tracked. (Sibling: youtube-shorts — don't run them as one plan.) Read these first 1. brand-profile — niche, positioning, non-negotiables. 2. voice-builder — so the script and packaging sound like the channel (not generic narration). The two-metric gate + the dominant signal - CTR gets the click; AVD keeps it. High CTR +…