{
  "profile": {
    "name": "Yongzhao Chen",
    "headline": "Automotive systems engineer. Building practical AI and developer tools.",
    "intro": "I'm Yongzhao, an automotive systems engineer in Gothenburg. I work on AD/ADAS systems and build personal projects in AI tooling, photo organization and embedded networking.",
    "location": "GOTHENBURG, SWEDEN · ENGLISH / MANDARIN",
    "github": "Yongzhaooo",
    "linkedin": "https://linkedin.com/in/yongzhao-chen",
    "projects": [
      {
        "id": "ming-gallery",
        "approved_public": true,
        "name": "Ming Gallery",
        "category": "AI / Android",
        "stage": "Working demo",
        "art": "photo",
        "art_label": "PERSONAL PREFERENCE\nREVIEW → ARCHIVE → RESTORE",
        "symbol": "▧",
        "summary": "An Android photo organization project combining personal preference ranking, source rules and duplicate checks. Review suggestions, protect selected albums, and restore archived originals.",
        "note": "Initial device demo completed. Open-source release planned; source and public demo are not yet published. Ranking quality is still under evaluation.",
        "tags": [
          "Android",
          "Kotlin",
          "Python",
          "Personalized ranking"
        ],
        "links": [],
        "subtitle": "AI-assisted photo organization with personal preference learning"
      },
      {
        "id": "redmi-ax5400-nss",
        "approved_public": true,
        "name": "OpenWrt on Redmi AX5400",
        "category": "Embedded / Networking",
        "stage": "Public project",
        "art": "network",
        "art_label": "RA74 / QCA8337\nTRACE → PATCH → VERIFY",
        "symbol": "↔",
        "summary": "Investigating and fixing NSS networking on the Redmi AX5400. The project documents a receive-path repair, switch initialization checks, and firmware build and recovery steps.",
        "note": "Both the wired receive-path fix and the shared switch-initialization hardening are merged into the community NSS fork. The maintainer validated the latter on GL-B3000; RA74 empty-configuration dual-link startup remains a follow-up.",
        "tags": [
          "C",
          "OpenWrt",
          "Linux",
          "Hardware debugging"
        ],
        "links": [
          {
            "label": "Repository",
            "url": "https://github.com/Yongzhaooo/redmi-ax5400-nss"
          },
          {
            "label": "Receive-path fix",
            "url": "https://github.com/kuncy7/openwrt-nss-edma/pull/1"
          },
          {
            "label": "Switch-initialization fix",
            "url": "https://github.com/kuncy7/openwrt-nss-edma/pull/4"
          }
        ],
        "subtitle": "Firmware fixes and network acceleration on real hardware"
      },
      {
        "id": "indie-game-discovery",
        "approved_public": true,
        "name": "Indie Game Discovery Analytics",
        "subtitle": "Turning video recommendations into a searchable Steam research dashboard",
        "category": "Data analysis / Discovery",
        "stage": "Local demo",
        "art": "research",
        "art_label": "VIDEO EVIDENCE → GAME ID\nREVIEWS / RELEASES / TRENDS",
        "symbol": "▥",
        "summary": "A research pipeline that connects indie-game mentions in Bilibili videos to Steam products. It preserves timestamped subtitle evidence and compares release status, review scores, recent criticism and developer announcements.",
        "note": "The current snapshot maps 438 distinct Steam products across a 51-episode collection. Unresolved mappings and claims about fixed issues remain flagged for review.",
        "tags": [
          "Python",
          "Data reconciliation",
          "Steam",
          "Evidence tracking"
        ],
        "links": []
      },
      {
        "id": "hit-casebook",
        "approved_public": true,
        "name": "HIT Study Abroad Casebook",
        "subtitle": "Developing and maintaining a community database for HIT graduates",
        "category": "Web application / Community",
        "stage": "Live service",
        "art": "network",
        "art_label": "SUBMIT → REVIEW → PUBLISH\nSTUDY-ABROAD OUTCOMES",
        "symbol": "↗",
        "summary": "A web application for collecting, reviewing and exploring study-abroad outcomes from Harbin Institute of Technology graduates. I develop and maintain the application, its submission workflow and VPS deployment.",
        "note": "Submissions are reviewed before publication. Public records omit private email addresses; moderation and attachments use separate access paths.",
        "tags": [
          "Python",
          "SQLite",
          "Moderation",
          "VPS operations"
        ],
        "links": [
          {
            "label": "Visit the casebook",
            "url": "https://run.cangming.fyi"
          }
        ]
      },
      {
        "id": "yc-skills",
        "approved_public": true,
        "name": "YC Skills",
        "category": "AI / Agent workflows",
        "stage": "Public collection",
        "art": "agents",
        "art_label": "PLAN / IMPLEMENT / VERIFY\nREUSABLE AGENT WORKFLOWS",
        "symbol": "{}",
        "summary": "Reusable coding-agent workflows for planning, implementation, review and verification. The collection turns repeated development and maintenance tasks into instructions that can be inspected and reused.",
        "note": "Model-specific adaptations are preliminary; a systematic comparison across models is still pending.",
        "tags": [
          "Coding agents",
          "Workflow design",
          "Verification"
        ],
        "links": [
          {
            "label": "Repository",
            "url": "https://github.com/Yongzhaooo/YC_skills"
          }
        ],
        "subtitle": "Reusable workflows for planning, building and verifying with coding agents"
      },
      {
        "id": "perception-safety",
        "approved_public": true,
        "name": "Monitoring perception safety",
        "category": "Research / Computer vision",
        "stage": "Master's thesis",
        "art": "research",
        "art_label": "OBJECT DETECTION\nOUT-OF-DISTRIBUTION MONITORING",
        "symbol": "∫",
        "summary": "A CARLA-based prototype exploring out-of-distribution monitoring for YOLOv5s. The work studies hidden-layer feature distances and object detection behavior under controlled scenario changes.",
        "note": "A master's thesis and industry project with Volvo Cars. Public research scripts are available.",
        "tags": [
          "PyTorch",
          "CARLA",
          "OpenCV",
          "AI safety"
        ],
        "links": [
          {
            "label": "Research code",
            "url": "https://github.com/Yongzhaooo/Thesis-Enhancing-safety-in-AI-based-object-detection-for-autonomous-vehicles"
          }
        ],
        "subtitle": "Out-of-distribution monitoring for autonomous-vehicle perception"
      }
    ],
    "interests": [
      {
        "title": "Agent workflows that can be checked",
        "description": "Practical delegation, reusable skills, explicit verification and a traceable path from a problem to its implementation."
      },
      {
        "title": "Local tools for working with AI",
        "description": "Model routing, token visibility and small utilities that fit existing developer workflows."
      },
      {
        "title": "Personal AI with user control",
        "description": "Learning individual preferences while keeping scans intentional, proposed actions reviewable and file moves reversible."
      },
      {
        "title": "Systems behavior and evidence",
        "description": "Following failures through requirements, diagnostics, software and hardware, then keeping the fix and its validation connected."
      }
    ],
    "experience": [
      {
        "title": "System Design Engineer · Volvo Cars",
        "detail": "Via New Professional Minds · AD/ADAS Platform, Exterior Vision · Since Aug 2024"
      },
      {
        "title": "M.Sc. · Chalmers University of Technology",
        "detail": "Systems, Control and Mechatronics · 2022–2025"
      },
      {
        "title": "B.Eng. · Harbin Institute of Technology",
        "detail": "Automation · 2017–2021"
      }
    ],
    "portrait": "portrait.jpg",
    "open_source_projects": [
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        "repository": "kuncy7/openwrt-nss-edma",
        "name": "OpenWrt / NSS hardware acceleration",
        "description": "OpenWrt is an open-source Linux operating system for routers and embedded devices. The NSS community fork develops Qualcomm hardware acceleration for routing, Ethernet and Wi-Fi.",
        "scope": "My two PRs were merged in kuncy7’s downstream NSS fork, based on JuliusBairaktaris/openwrt-nss-edma. The upstream OpenWrt star count describes the wider project; these fixes were merged into the community fork.",
        "project_repository": "JuliusBairaktaris/openwrt-nss-edma",
        "star_sources": [
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            "repository": "openwrt/openwrt",
            "label": "OpenWrt upstream"
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            "repository": "JuliusBairaktaris/openwrt-nss-edma",
            "label": "NSS development fork"
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      {
        "repository": "lidge-jun/opencodex",
        "name": "opencodex",
        "description": "A local provider proxy that lets tools such as Codex and Claude Code work with different AI model providers. It translates requests, streaming responses and tool calls between the interfaces they use.",
        "scope": "Contributed to DeepSeek request handling and prompt-cache stability.",
        "star_sources": [
          {
            "repository": "lidge-jun/opencodex",
            "label": "opencodex repository"
          }
        ]
      }
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        "date": "2026-08-09",
        "count": 0
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        "date": "2026-08-10",
        "count": 0
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      {
        "date": "2026-08-11",
        "count": 0
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        "date": "2026-08-12",
        "count": 0
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        "date": "2026-08-13",
        "count": 0
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      {
        "date": "2026-08-14",
        "count": 0
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      {
        "date": "2026-08-15",
        "count": 0
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        "date": "2026-08-16",
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      {
        "date": "2026-08-17",
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        "date": "2026-08-18",
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      {
        "date": "2026-08-19",
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        "date": "2026-08-20",
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      {
        "date": "2026-08-21",
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      {
        "date": "2026-08-22",
        "count": 0
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      {
        "date": "2026-08-23",
        "count": 0
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      {
        "date": "2026-08-24",
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        "date": "2026-08-25",
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        "date": "2026-08-26",
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      {
        "date": "2026-08-27",
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        "date": "2026-08-28",
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      {
        "date": "2026-08-29",
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      {
        "date": "2026-08-30",
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        "date": "2026-08-31",
        "count": 2
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      {
        "date": "2026-09-01",
        "count": 1
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      {
        "date": "2026-09-02",
        "count": 1
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      {
        "date": "2026-09-03",
        "count": 0
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      {
        "date": "2026-09-04",
        "count": 0
      },
      {
        "date": "2026-09-05",
        "count": 1
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      {
        "date": "2026-09-06",
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      {
        "date": "2026-09-07",
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      {
        "date": "2026-09-08",
        "count": 1
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      {
        "date": "2026-09-09",
        "count": 0
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      {
        "date": "2026-09-10",
        "count": 0
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      {
        "date": "2026-09-11",
        "count": 7
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      {
        "date": "2026-09-12",
        "count": 53
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      {
        "date": "2026-09-13",
        "count": 33
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      {
        "date": "2026-09-14",
        "count": 10
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      {
        "date": "2026-09-15",
        "count": 5
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        "date": "2026-09-16",
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    "commits_30d": 115,
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    "timezone": "UTC",
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}