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thedeutschmark/README.md

Hi, I'm Mark

App developer, streamer, photographer. Over a decade of experience. I build at the seam between AI products and live-video infrastructure — the engineering notes below explain the trade-offs behind each project. For recruiting / employment context, see dev.deutschmark.online.

Stream tools

Tools for livestreamers — they work together: pull a clip, cut it, run your overlays, remember your chat, plan collabs.

Tool What it is
Alert! Alert! Make clean stream-alert clips from any video source.
Clipline Turn livestream VODs into shortform clips with auto-captions.
The Stream Toolset OBS overlays + companion apps. One login, no subscriptions.
ForgetMeNot A Twitch chat bot that remembers your regulars.
Collab Planner Auto-detect collab windows from streamers' broadcast history.

Career

Tool What it is
P.A.T.H.O.S. AI career platform — resume tailoring, ATS scoring, gamified missions.

Technical writing

Long-form notes on the harder problems behind these projects, in engineering-notes:

  • Scaling streaming toolsets on Cloudflare — designing a per-user multi-overlay platform on Workers + KV + Durable Objects so cost-per-user stays roughly flat as user count grows. Edge push over server-mediated polling, hibernatable WebSockets, Twitch EventSub. ~99.6% read reduction on the hot path.
  • Collab detection — 4-tier confidence hierarchy for detecting Twitch collaborations from VOD titles, stream overlap, and event data.
  • How I built P.A.T.H.O.S. — deterministic ATS scoring, voice-preserving AI rewriting, ghost-job detection, and the AI arms race in hiring.
  • Glass Box transparency — three-layer transparency for persona state, resume optimization, and inbound job intel.
  • Email sync — auto-detecting recruiter responses from forwarded emails with confidence-gated automation and one-click undo.
  • ML prediction — logistic regression from scratch in JS, Platt scaling, time-aware evaluation, consent-gated training.
  • Chat bot memory — persistent memory for a Twitch bot without storing chat logs. Session compression, per-user lore, local-first storage.

toolset.deutschmark.online/docs — keeping your stream loudness sane so chat doesn't get ear-blasted, balancing OBS audio across scenes and sources, when to use Twitch IRC vs EventSub, hot-swapping overlay config live with Durable Objects, and a tutorial for every tool in the kit.

Stack

TypeScript · React · Zustand · Next.js · Python · C# · Supabase · Prisma · Postgres · Cloudflare Workers · KV · Durable Objects · Stripe · Gemini · OpenAI · FFmpeg · faster-whisper · pyannote · Twitch IRC + EventSub + Helix · Spotify Web API · Streamer.bot

Surfaces

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  1. forgetmenot forgetmenot Public

    AI personality with persistent memory for Twitch streams. Remembers your chatters, stream lore, & inside jokes - from stream to stream.

    TypeScript 4

  2. collab-planner collab-planner Public

    A collab stream planner that doesn't depend on hardcoded calendars. It uses your actual streaming history to find the best times for collabs.

    TypeScript 2

  3. alert-alert alert-alert Public

    Create consistent stream alerts with ease. Alert! Alert! provides a polished workflow to create alerts directly from YouTube, Instagram, and TikTok sources.

    Python 1

  4. engineering-notes engineering-notes Public

    Technical write-ups on some of the harder problems I came across.

    1

  5. Clipline Clipline Public

    Streamer-focused desktop video editor. Turn Twitch VODs into shortform clips, auto-captioned shorts, and longform compilations - all local and free.

    Python

  6. toolset-themes toolset-themes Public

    Build a theme for the Stream Toolset and submit it to the catalog — schema, docs, examples, and contribution guide. Data + CSS only, no JavaScript, hand-curated.

    JavaScript