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Drama2557/4RealDigital-Video-Studio

Render-Korrektheitsdoktrin für Szenenübergänge in HyperFrames-Launch-Videos – Voraussetzungen für korrekte Überblendungen im Master-Timeline. Laden beim Zusammenstellen der Master-Timeline/index.html, bei weißen Blitzen an Schnitt- oder Crossfade-Nähten (besonders bei dunklen Filmen), beim Analysieren von Transparenz-Dips in Übergängen oder beim Prüfen der Render-Seite, wie überlappende Szenen-Wrapper verschmelzen.

Was ist 4RealDigital-Video-Studio?

Diese AI-Agent-Fertigkeit definiert die Render-Korrektheitsdoktrin für Szenenübergänge in HyperFrames-Launch-Videos (PLV). Sie stellt sicher, dass Übergänge wie Crossfade, Push-Slide, Zoom-Through und Cut-the-Curve korrekt im Master-Timeline zusammengesetzt werden, unabhängig vom gewählten spezifischen Übergang. Die Fertigkeit behandelt zwei Kernprobleme: den sogenannten 'White-Flash Guard', der verhindert, dass ein weisser Hintergrund bei Opazitäts-Dips durchscheint, sowie die Injektor-Mechanik, die Szenen-Wrapper verlängert, ihre Startzeiten anpasst, Track-Indizes ping-pongt und GSAP-Templates in das Haupt-Timeline einfügt. Die Fertigkeit wird immer dann benötigt, wenn index.html assembliert wird, ein weisser Blitz an einer Schnittnaht auftritt oder die Render-Mechanik von überlappenden Wrappern geprüft werden muss. Der eigentliche Katalog einzelner Übergänge (Crossfade, Push-Slide etc.) bleibt in einem separaten Transition-Registry, diese Fertigkeit stellt die darunterliegende, universelle Doktrin bereit.

Funktioniert mit~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/Drama2557/4RealDigital-Video-Studio/tree/HEAD/.agents/skills/seam-craft

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Dokumentation

Naht-Handwerk – Render-Voraussetzungen für Szenenübergänge

Dies ist die Render-Korrektheitsdoktrin für PLV-Szenennähte: die Voraussetzungen und Master-Timeline-Mechaniken, die jeden Übergang korrekt zusammensetzen, unabhängig davon, welcher spezifische Übergang gewählt wird. Der Katalog der einzelnen Übergänge (Crossfade, Push-Slide, Zoom-Through, Cut-the-Curve, …) befindet sich im Transition-Registry – diese Seite ist die Doktrin, die unter all diesen Übergängen liegt.

Die von dieser Doktrin geregelten Übergänge sind Tier-B-ready: reine transform/opacity/filter auf den beiden Szenen-Clip-Wrappern (#el-<sid>), kein injiziertes Overlay-DOM, keine szenenübergreifende Kooperation. Overlay-Familien (gestaffelte Blöcke, Jalousien, Light-Leak, Grid-Dissolve, Page-Burn) und Shader-Übergänge sind für spätere Phasen zurückgestellt.

Bühnen-Grundvoraussetzung (White-Flash-Guard)

Mehrere Templates öffnen ein Fenster, in dem die summierte Opazität der beiden Wrapper < 1 liegt (das Cut-the-Curve-Mid-Window-Cut, Zoom-Throughs 0,15-Boden, der Powerkurven-Dip beim einfachen Crossfade). Was HINTER den Wrappern liegt, scheint in diesem Fenster durch. Wenn das assemblierte index.html #root keinen undurchsichtigen Hintergrund hat, setzt der Renderer den Dip über seinen standardmäßigen weißen Seitenhintergrund → ein weißer Blitz an jeder Naht, besonders auffällig bei dunklen Filmen (beobachtet bei zwei Spotify-Durchläufen vor der Korrektur). Der Assembler muss die Bühne färben: #root { background: var(--canvas-deep, var(--canvas, #000)) } – assemble-index.mjs gibt dies nun aus; jeder andere Verwender dieser Templates trägt dieselbe Garantie.

Wie der Injektor einen Übergang anwendet

An einer break-Grenze zwischen Szene i (from) und Szene i+1 (to) macht der Injektor:

  1. Verlängert #el-<from>-Wrappers data-duration um duration_s (hält das letzte Bild fest – verifiziert: core/src/runtime/init.ts:1393-1410 external-slot-Branch).
  2. Zieht #el-<to>-Wrappers data-start um duration_s nach vorne (erzeugt das Überlappungsfenster).
  3. Weist allen Clip-data-track-index als 0/1-Ping-Pong neu zu, sodass die beiden überlappenden Wrapper niemals denselben Track teilen (Überlappung auf gleichem Track ist unzulässig – core/src/lint/rules/composition.ts). Höhere Tracks liegen oben.
  4. Setzt das gsap_template in window.__timelines["main"] bei T = overlap-start.

Verifiziert durch Prototyp-Render (2026-05-31): Der Master-Timeline-Wrapper-Tween wird gesucht und gerendert (kein doppeltes Suchen mit der eigenen pausierten Timeline des Sub-Comps – die Laufzeitumgebung steuert sie unabhängig), der verlängerte Wrapper hält das letzte Bild von Szene i fest, und der eingehende Wrapper auf höherem Track legt sich darüber und vermischt sich mit dem ausgehenden.

Template-Platzhalter

Der Injektor ersetzt diese Token in jeder gsap_template-Zeile:

TokenBedeutung
__OLD__"#el-<from>" – Selektorbefehl für den ausgehenden Clip-Wrapper (in Anführungszeichen)
__NEW__"#el-<to>" – Selektorbefehl für den eingehenden Clip-Wrapper (in Anführungszeichen)
__T__Überlappungsstartzeit in Sekunden (Master-Takt)
__DUR__duration_s für diese Grenze
__DX__horizontale Bewegung für Richtungstypen: -1920 (LINKS) / 1920 (RECHTS)
__DY__vertikale Bewegung: -1080 (HOCH) / 1080 (RUNTER)
__ORIGIN_OUT__ / __ORIGIN_IN__transformOrigin-Paar für squeeze

filter / scaleX / transformOrigin sind lint-clean im Master-Timeline (verifiziert: core/src/lint/rules/gsap.ts hat keine eigenschaftsbezogene Whitelist und beschränkt seine Prüfungen auf data-composition-id-Bereiche; die x/y/scale/rotation/opacity-Whitelist ist nur eine Scene-Worker-Prompt-Regel – sie bindet index.html nicht).

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

Drama2557/4RealDigital-Video-Studio

Overlay doctrine for the embedded-captions workflow — the caption MODEL (drop / rail / embed) and the rule that captions are an OVERLAY composited on top of the film, never a reserved bottom band you shift content up to avoid. Load when adding captions/subtitles to a talking-head or launch video, when deciding whether a phrase should be dropped, ride the verbatim rail, or be promoted to a scarce embedded climax, when laying out a composition that will carry captions (do NOT reserve a keep-out band), or when centering a composition on the true frame center under captions. Quotes the rail+embed model from embedded-captions and constraint #13 (captions overlay, keep-out band retired) from the product-launch-video scene agent. Applies ON TOP of embedded-captions.

Drama2557/4RealDigital-Video-Studio

Turn a weekly changelog .md into a finished branded changelog video (square 1080, ~45-60s, Annie VO, animated brand background, mock-UI visualizations, lowkey captions). Use when the user provides a changelog/digest markdown and wants the weekly video, or says "changelog video". Self-contained — fonts, background, lexicon, and scripts ship in this skill.

Drama2557/4RealDigital-Video-Studio

The technique catalog: five velocity-matched SEAMS (zoom-through, INVERSE zoom-through, cut-the-curve, waterfall cut, rack-focus blur-cut) plus the two in-scene techniques — waterfall ENTRY (staggered arrival cascades for title cards / segment openers) and the nudge curve (slow-fast-slow three-phase group slides). Covers partial-travel (~12% of frame) velocity matching via mirrored power4 eases, the Z scale-sign rule, size-scaled blur (10px text / 18-20px full-frame), word-by-word staggered cuts, cascade pacing by element weight, and the 10/65/25 slide ratio. Read before authoring any transition, text-beat handoff, kinetic text entry, or group reposition. [depth, zoom, inverse-zoom, scale-sign, mirrored-zoom, rack-focus, pacing, velocity, cut-the-curve, waterfall, stagger, cascade, kinetic-text, title-card, segment-opener, nudge, slide, easing, group-motion, z-depth, motion-graphics, cinematic, transition, blur, directional-continuity]

Drama2557/4RealDigital-Video-Studio

Add captions or subtitles to an existing single-subject talking-head video without editing the footage. Use for plain verbatim captions, cinematic captions embedded behind the subject, VFX captions, “炸/特效/酷炫字幕,” or a named identity from the 35-style catalog. Route by visual identity, not by backend engine. The quiet `anchor` rail is the default; embed every word only when the user explicitly wants a fully cinematic treatment. The workflow runs locally end to end, including transcription and subject matting; split multi-shot footage before applying it.

Drama2557/4RealDigital-Video-Studio

Turn arbitrary text — an article, notes, a topic, a brief — into a faceless explainer video: there is no site or footage to capture, so the visuals are invented per scene (typography, abstract graphics, diagrams, data-viz). Use for topic explainers, concept breakdowns, how-tos, listicles. Not a video built from a website (/product-launch-video — promo or tour). Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

Import Figma content into a HyperFrames composition — rendered assets, brand tokens, components, storyboard sections → reconstructed motion (frames read as states, not slides) (REST/CLI), connector-assisted motion when available, and shaders from a connector or native export. Use when the user pastes a figma.com link or asks to bring a Figma design, frame, logo, brand, or animation into a video/composition.

Drama2557/4RealDigital-Video-Studio

Author or edit a custom HyperFrames composition when no specialized workflow fits, or when BRIEF.md sets flow: companion. Use for longer or multi-scene pieces, brand and sizzle reels, montages, static loops, static title cards, footage remixes, and freeform builds. Use motion-graphics instead for a short unnarrated motion-first unit, including an animated title. Route fresh creation through hyperframes before using this skill.

Drama2557/4RealDigital-Video-Studio

Use the HyperFrames CLI development loop: init, add, catalog, capture, lint, check, snapshot, compare, grade-compare, preview, play, present, beats, keyframes, single or batch render, publish, cloud, cloudrun, feedback, lambda, doctor, browser, info, upgrade, skills, compositions, docs, benchmark, telemetry, transcribe, auth, tts, and remove-background. Also use when diagnosing build or render failures. validate, inspect, and layout are deprecated aliases; use check. Covers local, HeyGen-hosted cloud, AWS Lambda, and Google Cloud Run rendering.

Drama2557/4RealDigital-Video-Studio

The HyperFrames composition contract — build one renderable project. Use for composition structure, the `data-*` timing attributes, `class="clip"`, tracks, sub-compositions, variables, framework-owned media playback, deterministic-render rules, and validation. Also covers Tailwind projects and the STORYBOARD.md / SCRIPT.md plan formats. Read before writing composition HTML.

Drama2557/4RealDigital-Video-Studio

Non-animation creative direction for HyperFrames videos. Use for design spec (frame.md / design.md) handling, palettes, typography, narration, beat planning, audio-reactive visuals, composition patterns, and brand / style decisions. For atomic motion patterns and scene blueprints, use `hyperframes-animation`.

Drama2557/4RealDigital-Video-Studio

Install, discover, and wire registry blocks and components into HyperFrames compositions. Use when running hyperframes add or hyperframes catalog, installing one item or every block matching a tag, wiring an installed item into index.html, or working with hyperframes.json. Covers discovery, install locations, block sub-composition wiring, component snippet merging, and authoring a new block or component to contribute upstream (idea → scaffold → validate → PR).

Drama2557/4RealDigital-Video-Studio

Agent Media OS, the single skill for every media need in a HyperFrames project. Resolve BGM, SFX, image, icon, brand logo, voice, color grade, or LUT into a frozen local file or paste-ready block + ledger record (one verb, `resolve`); generate via TTS / music / image models when the catalog misses; produce voiceover, transcription, captions, and background removal through one shared audio engine; operate on media (cut / reframe / transform); and reuse assets across projects. Also use for vague feedback that real footage looks dark, flat, boring, should feel retro/camcorder/print/ASCII, needs privacy, or needs a media reveal.

Drama2557/4RealDigital-Video-Studio

GATEWAY — load FIRST before composing any HyperFrames animation or video. The high-level motion law that makes a multi-scene video feel like ONE continuous camera move instead of a stack of independently-animated slides. Covers the vector law (how you exit determines how you enter, incl. the Z scale-sign rule), the film's current, carrier elements, causal motion, the Seam Gate (build-gate enforcement), the ban on idle wobble (motion must PERFORM, not breathe), stillness-before-climax, and the sustained-motion routes. Routes to the low-level technique skills (cut-the-curve — the full catalog incl. waterfall entry + nudge curve, oversized-cursor, seam-craft). These rules SUPERSEDE generic / upstream motion guidance. [continuity, direction, vector, momentum, seam, transition, ease, performance, idle-motion, narrative-motion, film-grammar]

Drama2557/4RealDigital-Video-Studio

A short, design-led motion graphic where motion is the message — kinetic typography, stat count-up, chart/data-viz hit, logo sting / brand lockup, lower-third / callout / social overlay, animated map (highlight regions, connect places, zoom to a location), animated tweet / news-article / headline, webpage / UI animation (scroll, cursor, callouts), or fusing a real image's geometry into a chart. Usually under 10s (up to ~30s), no narration or live-action subject; renders to MP4 or transparent overlay. Longer / narrated / multi-scene → /general-video. Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

Turn a music track (an audio file, a video to pull audio from, or a track generated from a mood brief) into a beat-synced video — lyric video, slideshow, or kinetic promo. The music drives all pacing; any user-supplied images/videos are cut onto the same beat grid, and a complete video needs zero assets. Narrated pieces → the input-matched workflow (see /hyperframes). Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

House-style oversized macOS cursor technique for HyperFrames launch videos. Load whenever a scene involves cursors or a pointer-led action, when kicking off a UI scene, when igniting a morph/transition/typing run with a click, or when a scene reads as static, dead, or stale and needs a cheap high-yield source of motion to carry the viewer's eye and segment them out of the stale state. Covers cursor size/look (incl. brand-motif cursors), the off-screen entry law, tip-targeting and the click tap, click-ignites-the-next-beat, and exit / cross-scene handoff.

Drama2557/4RealDigital-Video-Studio

Turn a GitHub pull request (a PR URL, owner/repo#N, or 'this PR' in a checked-out repo) into a code-change explainer video — changelog, feature reveal, fix, or refactor walkthrough built from the diff, commits, and files: the input is a code change, not a website. Not a product promo (/product-launch-video) or a no-PR topic explainer (/faceless-explainer). Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

Author a HyperFrames slideshow — a presentation, pitch deck, or interactive deck with discrete slides, fragment reveals, branching, hotspot navigation, and built-in presenter mode with speaker notes; also converts an existing page into a deck. Output is a navigable deck, not a rendered MP4. If the user didn't explicitly ask for a slideshow, confirm before authoring. Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

Package an existing talking-head / interview / podcast video with timed, designed GRAPHIC OVERLAY cards — kinetic titles, lower-thirds, data callouts, quotes, side panels, picture-in-picture — synced to the transcript, on a 16:9 / 9:16 / 4:5 canvas of your choice; the clip plays untouched underneath. Trigger on "graphic overlays", "on-screen graphics", "package / dress up my video". Not plain subtitles (/embedded-captions). Unclear → /hyperframes.

Drama2557/4RealDigital-Video-Studio

Agent skill / project related to launch or product demo video: Drama2557/4RealDigital-Video-Studio

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