韓冬 /xan˧˥ tʊŋ˥/
EN 繁 简

SELECTED WORK HAN DONG

Complex problems. Useful products.

Product design, independent engineering and continuous iteration.

Selected cases

From a real problem to a working product

  1. 01 / Product design · Full-stack delivery

    UniExp HK

    Connecting study recruitment and participation in one continuous workflow.

    Live in three languages, connecting publishing, applications and review.

    Founder & sole builder — product, engineering and operations

    Read case Open product
    UniExp HK study browsing page in a signed-in administrator session: the sidebar lists explore studies, research workbench, admin console, favourites, notifications and profile, beside study cards and filters
    Signed-in view: the sidebar shows the full workflow, from exploring studies to the research workbench and admin console.

  2. 02 / Two-sided journeys · Evidence design

    Role Fit

    Making the evidence behind a job match inspectable.

    Live in three languages, with source-linked briefs and Agent follow-up.

    Sole product owner & builder — discovery through iteration

    Read case Open product
    Role Fit public page with job-description input and example roles
    Public product entry · captured September 2026

  3. 03 / Creative workflows · Local-first

    Storyspan 源映

    Carrying a director’s creative intent into a deliverable screenplay.

    Screenplay main chain wired through; first-release work remains. Film output is paused; no finished film yet.

    Sole designer & builder — product architecture and creative workflows

    Read case

    CREATIVE INTENT → DELIVERABLE

    1. 01

      Knowledge

      Sources · extraction

      Traceable references
    2. 02

      Screenplay

      Scenes · approval

      Fountain export
    3. 03

      Prompt package

      Freeze · gap report

      External handoff

    The screenplay is the product. Film output is paused.

    Workflow illustration · not an application screenshot

  4. 04 / Film analysis · Traceable evidence

    CineTrace

    Connect film observations to traceable evidence.

    A local analysis pipeline and an independent HTML report publishing module. Automated visual observations remain drafts for review.

    Independent developer

    Read case

    FILM → TRACEABLE EVIDENCE

    1. 01

      Film source

      Source · keyframes

      Original media
    2. 02

      Shots & speech

      Intervals · transcripts

      Timestamp alignment
    3. 03

      Evidence report

      Analysis · references

      Trace observations

    Keyframes · timestamps · evidence bundle

    Analysis workflow illustration · not an application screenshot

Academic tools

Local-first macOS apps for writing and viva preparation

  • D-academic-agent citation audit workspace with evidence verdicts
    Citation checking against imported source evidence.

    D Academic Agent

    Bring claims and citations back to the original evidence.

    Public v0.1.0 download for Apple Silicon (arm64).

    Sole builder · desktop app, evidence pipeline and evaluation

    Read case
  • D-viva-assistant-agent live practice screen with thesis-grounded examiner prompt
    Practice questions are generated from the student's own thesis evidence.

    Viva Assistant

    Practice, feedback and revision grounded in your own thesis.

    Local-first macOS app with source-linked practice and review.

    Sole builder · product, architecture and AI integration

    Read case

Tools & open-source work

Independent tools, agent collaboration and community contributions

14 projects

  • Turnweft

    Ask other coding agents to work from Claude Code or Codex, and continue the same session later.

    In progress · Install via npm

  • Evidoc

    Check documentation claims against the repository.

    Active

  • Dong-skills

    Workflows for scoped agent tasks, writer handoffs, and verified cross-review.

    Active
  • Earlier agent pluginsArchived on 2026-10-05; succeeded by Turnweft6 projects

  • relaybar

    AI coding account pools and quotas, in the macOS menu bar.

    Active

  • Memoh · Open-source contributions

    Merged upstream improvements to diagnostics, Docker docs and CI.

    Active

  • Power Minder

    An iOS charging reminder app; previously on the App Store, now withdrawn.

    Archived

  • han-dong.link

    A spatial portfolio and source-linked conversational assistant.

    Active

  • Cantonese–Mandarin Cross-Ref

    Compare pronunciation with Jyutping and audio.

    Active