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How to make an analog-horror PSA short — the stenciled-pictogram / robo-broadcast / VHS-overlay format (faceless, 10 scenes × ~3s, 9:16, ~30s total). A domain overlay on the standard pipeline that supplies the IF / DO-NOT / BUT / AND scenario structure, the locked yellow-on-black 1970s-civil-defense pictogram visual STYLE, the chroma-key-to-alpha rule (icons must be transparent PNGs before composition), the robo-PSA voice profile (ElevenLabs "Alerter" community voice + ALL CAPS input + stability