fix: use inequality instead of greater than for timestamp check

Addresses PR feedback to rely on timestamp inequality since it is more robust to clock issues and timestamp resolution when saving on the backend.
fix: reload drawing when edited externally by MCP
2026-05-31 10:58:45 +00:00 · 2026-05-31 01:21:08 +00:00 · 2026-05-31 00:08:51 +00:00 · 2026-05-30 23:40:01 +05:30
26 changed files with 2481 additions and 8 deletions
@@ -0,0 +1,5 @@
 node_modules
 dist
 data
 .git
 coverage
@@ -0,0 +1,80 @@
 name: Publish GHCR Image
 on:
  push:
    tags:
      - 'release-*'
 permissions:
  contents: read
  packages: write
 concurrency:
  group: publish-ghcr-${{ github.ref }}
  cancel-in-progress: false
 jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
      - name: Set up Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.3.11
      - name: Install dependencies
        run: bun install --frozen-lockfile
      - name: Run typecheck
        run: bun run typecheck
      - name: Run tests
        run: bun run test
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Derive image metadata
        shell: bash
        run: |
          set -euo pipefail
          version="${GITHUB_REF_NAME#release-}"
          version="${version#v}"
          if [[ -z "$version" ]]; then
            echo "Release version is empty after stripping prefix from tag: $GITHUB_REF_NAME" >&2
            exit 1
          fi
          image_name="ghcr.io/${GITHUB_REPOSITORY,,}"
          {
            echo "VERSION=$version"
            echo "IMAGE_NAME=$image_name"
          } >> "$GITHUB_ENV"
      - name: Build and push image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ env.IMAGE_NAME }}:${{ env.VERSION }}
            ${{ env.IMAGE_NAME }}:latest
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ env.VERSION }}
@@ -35,3 +35,5 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
 .DS_Store
 PLAN.md
 excali-box-data/
@@ -0,0 +1,7 @@
 # Commit Style
 - Use Conventional Commits.
 - Keep the type and subject lowercase.
 - Keep commit messages terse.
 Example: `feat: dark mode by default`
@@ -0,0 +1,36 @@
 {
  auto_https off
  admin off
 }
 :80 {
  encode zstd gzip
  @mcp path /mcp
  handle @mcp {
    reverse_proxy 127.0.0.1:3001
  }
  @api path /api/*
  handle @api {
    reverse_proxy 127.0.0.1:3000
  }
  @root path /
  handle @root {
    reverse_proxy 127.0.0.1:3000
  }
  handle {
    root * /srv/public
    @html path /index.html /d/*
    header @html Cache-Control "no-cache"
    @assets path_regexp assets \.(?:css|js|mjs|svg|png|jpg|jpeg|gif|webp|ico|woff2?|ttf|otf)$
    header @assets Cache-Control "public, max-age=31536000, immutable"
    try_files {path} /index.html
    file_server
  }
 }
@@ -0,0 +1,35 @@
 FROM oven/bun:1.3.11-alpine AS build
 WORKDIR /app
 COPY package.json bun.lock tsconfig.json ./
 RUN bun install --frozen-lockfile
 COPY src ./src
 RUN bun run build
 FROM caddy:2-alpine AS caddy
 FROM oven/bun:1.3.11-alpine AS runner
 WORKDIR /app
 ENV NODE_ENV=production
 ENV HOST=127.0.0.1
 ENV PORT=3000
 ENV MCP_HOST=127.0.0.1
 ENV MCP_PORT=3001
 ENV DATABASE_PATH=/data/excalidraw.sqlite
 COPY --from=caddy /usr/bin/caddy /usr/bin/caddy
 COPY --from=build /app/dist/public /srv/public
 COPY --from=build /app/dist/server /app/dist/server
 COPY --from=build /app/dist/mcp /app/dist/mcp
 COPY Caddyfile /etc/caddy/Caddyfile
 COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
 RUN mkdir -p /data && chmod +x /usr/local/bin/docker-entrypoint.sh
 VOLUME ["/data"]
 EXPOSE 80
 CMD ["/usr/local/bin/docker-entrypoint.sh"]
@@ -0,0 +1,44 @@
 # excali-box
 Private self-hosted Excalidraw with Bun, Caddy, and SQLite.
 This is bare wrapper around the excalidraw packages that adds autosave and disk-persistence.
 No auth to keep things simple - you either run in a private network or put it behind Caddy auth or similar solutions.
 > GPT 5.5 generated
 ## Pull from GHCR and run
 Images are published to:
 `ghcr.io/ruinivist/excalidraw-box:<version>`
 ```bash
 docker pull ghcr.io/ruinivist/excalidraw-box:latest
 docker run --rm -p 127.0.0.1:3000:80 -e PUBLIC_BASE_URL=http://localhost:3000 -v "$PWD/excali-box-data:/data" ghcr.io/ruinivist/excalidraw-box:latest
 ```
 ## Run locally
 ```bash
 bun install
 bun run dev
 ```
 Open `http://localhost:3000`.
 ## Test
 ```bash
 bun run test
 bun run typecheck
 ```
 ## Build the image
 ```bash
 docker build -t excali .
 docker run --rm -p 127.0.0.1:3000:80 -e PUBLIC_BASE_URL=http://localhost:3000 -v "$PWD/excali-box-data:/data" excali
 ```
 This will make the data persistent in the `excali-box-data` folder in the current directory, with Caddy serving the browser build on `localhost:3000`. `PUBLIC_BASE_URL` is required so MCP tools can return drawing URLs with the public browser origin. You would want it to be the same url you use to access the app in the browser - in case you reverse proxy or use a tailscale alias etc.
@@ -6,8 +6,12 @@
      "name": "excali",
      "dependencies": {
        "@excalidraw/excalidraw": "^0.18.1",
        "@modelcontextprotocol/sdk": "^1.29.0",
        "fast-json-patch": "^3.1.1",
        "mcp-handler": "^1.1.0",
        "react": "^19.2.6",
        "react-dom": "^19.2.6",
        "zod": "^4.4.3",
      },
      "devDependencies": {
        "@types/bun": "^1.3.14",
@@ -52,12 +56,16 @@
    "@floating-ui/utils": ["@floating-ui/utils@0.2.11", "", {}, "sha512-RiB/yIh78pcIxl6lLMG0CgBXAZ2Y0eVHqMPYugu+9U0AeT6YBeiJpf7lbdJNIugFP5SIjwNRgo4DhR1Qxi26Gg=="],
    "@hono/node-server": ["@hono/node-server@1.19.14", "", { "peerDependencies": { "hono": "^4" } }, "sha512-GwtvgtXxnWsucXvbQXkRgqksiH2Qed37H9xHZocE5sA3N8O8O8/8FA3uclQXxXVzc9XBZuEOMK7+r02FmSpHtw=="],
    "@iconify/types": ["@iconify/types@2.0.0", "", {}, "sha512-+wluvCrRhXrhyOmRDJ3q8mux9JkKy5SJ/v8ol2tu4FVjyYvtEzkc/3pK15ET6RKg4b4w4BmTk1+gsCUhf21Ykg=="],
    "@iconify/utils": ["@iconify/utils@3.1.3", "", { "dependencies": { "@antfu/install-pkg": "^1.1.0", "@iconify/types": "^2.0.0", "import-meta-resolve": "^4.2.0" } }, "sha512-LPKOXPn/zV+zis1oOfGWogaXVpqUybF3ZS6SCZIsz8vg0ivVp9+fVqyYB7xq0aiST/VhUQYGO1qo6uoYSiEJqw=="],
    "@mermaid-js/parser": ["@mermaid-js/parser@0.6.3", "", { "dependencies": { "langium": "3.3.1" } }, "sha512-lnjOhe7zyHjc+If7yT4zoedx2vo4sHaTmtkl1+or8BRTnCtDmcTpAjpzDSfCZrshM5bCoz0GyidzadJAH1xobA=="],
    "@modelcontextprotocol/sdk": ["@modelcontextprotocol/sdk@1.29.0", "", { "dependencies": { "@hono/node-server": "^1.19.9", "ajv": "^8.17.1", "ajv-formats": "^3.0.1", "content-type": "^1.0.5", "cors": "^2.8.5", "cross-spawn": "^7.0.5", "eventsource": "^3.0.2", "eventsource-parser": "^3.0.0", "express": "^5.2.1", "express-rate-limit": "^8.2.1", "hono": "^4.11.4", "jose": "^6.1.3", "json-schema-typed": "^8.0.2", "pkce-challenge": "^5.0.0", "raw-body": "^3.0.0", "zod": "^3.25 || ^4.0", "zod-to-json-schema": "^3.25.1" }, "peerDependencies": { "@cfworker/json-schema": "^4.1.1" }, "optionalPeers": ["@cfworker/json-schema"] }, "sha512-zo37mZA9hJWpULgkRpowewez1y6ML5GsXJPY8FI0tBBCd77HEvza4jDqRKOXgHNn867PVGCyTdzqpz0izu5ZjQ=="],
    "@radix-ui/primitive": ["@radix-ui/primitive@1.1.1", "", {}, "sha512-SJ31y+Q/zAyShtXJc8x83i9TYdbAfHZ++tUZnvjJJqFjzsdUnKsxPL6IEtBlxKkU7yzer//GQtZSV4GbldL3YA=="],
    "@radix-ui/react-arrow": ["@radix-ui/react-arrow@1.1.2", "", { "dependencies": { "@radix-ui/react-primitive": "2.0.2" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-G+KcpzXHq24iH0uGG/pF8LyzpFJYGD4RfLjCIBfGdSLXvjLHST31RUiRVrupIBMvIppMgSzQ6l66iAxl03tdlg=="],
@@ -108,6 +116,18 @@
    "@radix-ui/rect": ["@radix-ui/rect@1.1.0", "", {}, "sha512-A9+lCBZoaMJlVKcRBz2YByCG+Cp2t6nAnMnNba+XiWxnj6r4JUFqfsgwocMBZU9LPtdxC6wB56ySYpc7LQIoJg=="],
    "@redis/bloom": ["@redis/bloom@1.2.0", "", { "peerDependencies": { "@redis/client": "^1.0.0" } }, "sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg=="],
    "@redis/client": ["@redis/client@1.6.1", "", { "dependencies": { "cluster-key-slot": "1.1.2", "generic-pool": "3.9.0", "yallist": "4.0.0" } }, "sha512-/KCsg3xSlR+nCK8/8ZYSknYxvXHwubJrU82F3Lm1Fp6789VQ0/3RJKfsmRXjqfaTA++23CvC3hqmqe/2GEt6Kw=="],
    "@redis/graph": ["@redis/graph@1.1.1", "", { "peerDependencies": { "@redis/client": "^1.0.0" } }, "sha512-FEMTcTHZozZciLRl6GiiIB4zGm5z5F3F6a6FZCyrfxdKOhFlGkiAqlexWMBzCi4DcRoyiOsuLfW+cjlGWyExOw=="],
    "@redis/json": ["@redis/json@1.0.7", "", { "peerDependencies": { "@redis/client": "^1.0.0" } }, "sha512-6UyXfjVaTBTJtKNG4/9Z8PSpKE6XgSyEb8iwaqDcy+uKrd/DGYHTWkUdnQDyzm727V7p21WUMhsqz5oy65kPcQ=="],
    "@redis/search": ["@redis/search@1.2.0", "", { "peerDependencies": { "@redis/client": "^1.0.0" } }, "sha512-tYoDBbtqOVigEDMAcTGsRlMycIIjwMCgD8eR2t0NANeQmgK/lvxNAvYyb6bZDD4frHRhIHkJu2TBRvB0ERkOmw=="],
    "@redis/time-series": ["@redis/time-series@1.1.0", "", { "peerDependencies": { "@redis/client": "^1.0.0" } }, "sha512-c1Q99M5ljsIuc4YdaCwfUEXsofakb9c8+Zse2qxTadu8TalLXuAESzLvFAvNVbkmSlvlzIQOLpBCmWI9wTOt+g=="],
    "@types/bun": ["@types/bun@1.3.14", "", { "dependencies": { "bun-types": "1.3.14" } }, "sha512-h1hFqFVcvAvD9j9K7ZW7vd82aSA+rTdznZa+5bwvCwqSB1jmmfLcbIWhOLx1/+boy/xmjgCs/OMUL8hRJSmnPw=="],
    "@types/d3": ["@types/d3@7.4.3", "", { "dependencies": { "@types/d3-array": "*", "@types/d3-axis": "*", "@types/d3-brush": "*", "@types/d3-chord": "*", "@types/d3-color": "*", "@types/d3-contour": "*", "@types/d3-delaunay": "*", "@types/d3-dispatch": "*", "@types/d3-drag": "*", "@types/d3-dsv": "*", "@types/d3-ease": "*", "@types/d3-fetch": "*", "@types/d3-force": "*", "@types/d3-format": "*", "@types/d3-geo": "*", "@types/d3-hierarchy": "*", "@types/d3-interpolate": "*", "@types/d3-path": "*", "@types/d3-polygon": "*", "@types/d3-quadtree": "*", "@types/d3-random": "*", "@types/d3-scale": "*", "@types/d3-scale-chromatic": "*", "@types/d3-selection": "*", "@types/d3-shape": "*", "@types/d3-time": "*", "@types/d3-time-format": "*", "@types/d3-timer": "*", "@types/d3-transition": "*", "@types/d3-zoom": "*" } }, "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww=="],
@@ -184,20 +204,36 @@
    "@upsetjs/venn.js": ["@upsetjs/venn.js@2.0.0", "", { "optionalDependencies": { "d3-selection": "^3.0.0", "d3-transition": "^3.0.1" } }, "sha512-WbBhLrooyePuQ1VZxrJjtLvTc4NVfpOyKx0sKqioq9bX1C1m7Jgykkn8gLrtwumBioXIqam8DLxp88Adbue6Hw=="],
    "accepts": ["accepts@2.0.0", "", { "dependencies": { "mime-types": "^3.0.0", "negotiator": "^1.0.0" } }, "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng=="],
    "ajv": ["ajv@8.20.0", "", { "dependencies": { "fast-deep-equal": "^3.1.3", "fast-uri": "^3.0.1", "json-schema-traverse": "^1.0.0", "require-from-string": "^2.0.2" } }, "sha512-Thbli+OlOj+iMPYFBVBfJ3OmCAnaSyNn4M1vz9T6Gka5Jt9ba/HIR56joy65tY6kx/FCF5VXNB819Y7/GUrBGA=="],
    "ajv-formats": ["ajv-formats@3.0.1", "", { "dependencies": { "ajv": "^8.0.0" } }, "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ=="],
    "anymatch": ["anymatch@3.1.3", "", { "dependencies": { "normalize-path": "^3.0.0", "picomatch": "^2.0.4" } }, "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw=="],
    "aria-hidden": ["aria-hidden@1.2.6", "", { "dependencies": { "tslib": "^2.0.0" } }, "sha512-ik3ZgC9dY/lYVVM++OISsaYDeg1tb0VtP5uL3ouh1koGOaUMDPpbFIei4JkFimWUFPn90sbMNMXQAIVOlnYKJA=="],
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    "body-parser": ["body-parser@2.2.2", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.3", "http-errors": "^2.0.0", "iconv-lite": "^0.7.0", "on-finished": "^2.4.1", "qs": "^6.14.1", "raw-body": "^3.0.1", "type-is": "^2.0.1" } }, "sha512-oP5VkATKlNwcgvxi0vM0p/D3n2C3EReYVX+DNYs5TjZFn/oQt2j+4sVJtSMr18pdRr8wjTcBl6LoV+FUwzPmNA=="],
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    "browser-fs-access": ["browser-fs-access@0.29.1", "", {}, "sha512-LSvVX5e21LRrXqVMhqtAwj5xPgDb+fXAIH80NsnCQ9xuZPs2xWsOREi24RKgZa1XOiQRbcmVrv87+ulOKsgjxw=="],
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    "bytes": ["bytes@3.1.2", "", {}, "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="],
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    "chevrotain": ["chevrotain@11.0.3", "", { "dependencies": { "@chevrotain/cst-dts-gen": "11.0.3", "@chevrotain/gast": "11.0.3", "@chevrotain/regexp-to-ast": "11.0.3", "@chevrotain/types": "11.0.3", "@chevrotain/utils": "11.0.3", "lodash-es": "4.17.21" } }, "sha512-ci2iJH6LeIkvP9eJW6gpueU8cnZhv85ELY8w8WiFtNjMHA5ad6pQLaJo9mEly/9qUyCpvqX8/POVUTf18/HFdw=="],
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@@ -206,7 +242,19 @@
    "clsx": ["clsx@1.1.1", "", {}, "sha512-6/bPho624p3S2pMyvP5kKBPXnI3ufHLObBFCfgx+LkeR5lg2XYy2hqZqUf45ypD8COn2bhgGJSUE+l5dhNBieA=="],
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+    "cluster-key-slot": ["cluster-key-slot@1.1.2", "", {}, "sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA=="],
    "commander": ["commander@11.1.0", "", {}, "sha512-yPVavfyCcRhmorC7rWlkHn15b4wDVgVmBA7kV4QVBsF7kv/9TKJAbAXVTxvTnwP8HHKjRCJDClKbciiYS7p0DQ=="],
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@@ -292,33 +340,91 @@
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    "fresh": ["fresh@2.0.0", "", {}, "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A=="],
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@@ -330,6 +436,10 @@
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@@ -338,12 +448,20 @@
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@@ -360,32 +478,60 @@
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    "zod": ["zod@4.4.3", "", {}, "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ=="],
    "zod-to-json-schema": ["zod-to-json-schema@3.25.2", "", { "peerDependencies": { "zod": "^3.25.28 || ^4" } }, "sha512-O/PgfnpT1xKSDeQYSCfRI5Gy3hPf91mKVDuYLUHZJMiDFptvP41MSnWofm8dnCm0256ZNfZIM7DSzuSMAFnjHA=="],
    "zustand": ["zustand@4.5.7", "", { "dependencies": { "use-sync-external-store": "^1.2.2" }, "peerDependencies": { "@types/react": ">=16.8", "immer": ">=9.0.6", "react": ">=16.8" }, "optionalPeers": ["@types/react", "immer", "react"] }, "sha512-CHOUy7mu3lbD6o6LJLfllpjkzhHXSBlX8B9+qPddUsIfeF5S/UZ5q0kmCsnRqT1UHFQZchNFDDzMbQsuesHWlw=="],
    "@chevrotain/cst-dts-gen/@chevrotain/types": ["@chevrotain/types@11.0.3", "", {}, "sha512-gsiM3G8b58kZC2HaWR50gu6Y1440cHiJ+i3JUvcp/35JchYejb2+5MVeJK0iKThYpAa/P2PYFV4hoi44HD+aHQ=="],
@@ -524,10 +716,14 @@
    "d3-dsv/commander": ["commander@7.2.0", "", {}, "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw=="],
    "d3-dsv/iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="],
    "d3-sankey/d3-array": ["d3-array@2.12.1", "", { "dependencies": { "internmap": "^1.0.0" } }, "sha512-B0ErZK/66mHtEsR1TkPEEkwdy+WDesimkM5gpZr5Dsg54BiTA5RXtYW5qTLIAcekaS9xfZrzBLF/OAkB3Qn1YQ=="],
    "d3-sankey/d3-shape": ["d3-shape@1.3.7", "", { "dependencies": { "d3-path": "1" } }, "sha512-EUkvKjqPFUAZyOlhY5gzCxCeI0Aep04LwIRpsZ/mLFelJiUfnK56jo5JMDSE7yyP2kLSb6LtF+S5chMk7uqPqw=="],
    "katex/commander": ["commander@8.3.0", "", {}, "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww=="],
    "mermaid/@braintree/sanitize-url": ["@braintree/sanitize-url@7.1.2", "", {}, "sha512-jigsZK+sMF/cuiB7sERuo9V7N9jx+dhmHHnQyDSVdpZwVutaBu7WvNYqMDLSgFgfB30n452TP3vjDAvFC973mA=="],
    "mermaid/@mermaid-js/parser": ["@mermaid-js/parser@1.1.1", "", { "dependencies": { "@chevrotain/types": "~11.1.1" } }, "sha512-VuHdsYMK1bT6X2JbcAaWAhugTRvRBRyuZgd+c22swUeI9g/ntaxF7CY7dYarhZovofCbUNO0G7JesfmNtjYOCw=="],
@@ -538,6 +734,8 @@
    "roughjs/points-on-curve": ["points-on-curve@0.2.0", "", {}, "sha512-0mYKnYYe9ZcqMCWhUjItv/oHjvgEsfKvnUTg8sAtnHr3GVy7rGkXCb6d5cSyqrWqL4k81b9CPg3urd+T7aop3A=="],
    "type-is/content-type": ["content-type@2.0.0", "", {}, "sha512-j/O/d7GcZCyNl7/hwZAb606rzqkyvaDctLmckbxLzHvFBzTJHuGEdodATcP3yIRoDrLHkIATJuvzbFlp/ki2cQ=="],
    "@radix-ui/react-roving-focus/@radix-ui/react-id/@radix-ui/react-use-layout-effect": ["@radix-ui/react-use-layout-effect@1.0.0", "", { "dependencies": { "@babel/runtime": "^7.13.10" }, "peerDependencies": { "react": "^16.8 || ^17.0 || ^18.0" } }, "sha512-6Tpkq+R6LOlmQb1R5NNETLG0B4YP0wc+klfXafpUCj6JGyaUc8il7/kUZ7m59rGbXGczE9Bs+iz2qloqsZBduQ=="],
    "@radix-ui/react-roving-focus/@radix-ui/react-primitive/@radix-ui/react-slot": ["@radix-ui/react-slot@1.0.1", "", { "dependencies": { "@babel/runtime": "^7.13.10", "@radix-ui/react-compose-refs": "1.0.0" }, "peerDependencies": { "react": "^16.8 || ^17.0 || ^18.0" } }, "sha512-avutXAFL1ehGvAXtPquu0YK5oz6ctS474iM3vNGQIkswrVhdrS52e3uoMQBzZhNRAIE0jBnUyXWNmSjGHhCFcw=="],
@@ -0,0 +1,53 @@
 #!/bin/sh
 set -eu
 app_pid=""
 mcp_pid=""
 caddy_pid=""
 stop_children() {
  for pid in "$app_pid" "$mcp_pid" "$caddy_pid"; do
    if [ -n "$pid" ] && kill -0 "$pid" 2>/dev/null; then
      kill "$pid" 2>/dev/null || true
    fi
  done
 }
 trap 'stop_children' INT TERM
 bun /app/dist/server/server.js &
 app_pid=$!
 bun /app/dist/mcp/mcp-server.js &
 mcp_pid=$!
 caddy run --config /etc/caddy/Caddyfile --adapter caddyfile &
 caddy_pid=$!
 exit_code=0
 while :; do
  if ! kill -0 "$app_pid" 2>/dev/null; then
    wait "$app_pid" || exit_code=$?
    break
  fi
  if ! kill -0 "$mcp_pid" 2>/dev/null; then
    wait "$mcp_pid" || exit_code=$?
    break
  fi
  if ! kill -0 "$caddy_pid" 2>/dev/null; then
    wait "$caddy_pid" || exit_code=$?
    break
  fi
  sleep 1
 done
 stop_children
 wait "$app_pid" 2>/dev/null || true
 wait "$mcp_pid" 2>/dev/null || true
 wait "$caddy_pid" 2>/dev/null || true
 exit "$exit_code"
@@ -1,14 +1,25 @@
 {
-  "name": "excali-repro",
+  "name": "excali",
  "type": "module",
  "private": true,
  "scripts": {
-    "build": "rm -rf dist && bun build --target=browser --splitting --outdir ./dist/public ./src/index.html"
+    "dev": "bun --hot src/dev-server.tsx",
    "build": "rm -rf dist && bun run build:client && bun run build:server && bun run build:mcp",
    "build:client": "bun build --target=browser --production --outdir ./dist/public ./src/index.html",
    "build:server": "mkdir -p ./dist/server && bun build --target=bun --production --outfile ./dist/server/server.js ./src/server.tsx",
    "build:mcp": "mkdir -p ./dist/mcp && bun build --target=bun --production --outfile ./dist/mcp/mcp-server.js ./src/mcp-server.ts",
    "start": "DATABASE_PATH=./data/excalidraw.sqlite bun ./dist/server/server.js",
    "test": "bun test",
    "typecheck": "tsc --noEmit"
  },
  "dependencies": {
    "@excalidraw/excalidraw": "^0.18.1",
    "@modelcontextprotocol/sdk": "^1.29.0",
    "fast-json-patch": "^3.1.1",
    "mcp-handler": "^1.1.0",
    "react": "^19.2.6",
-    "react-dom": "^19.2.6"
+    "react-dom": "^19.2.6",
    "zod": "^4.4.3"
  },
  "devDependencies": {
    "@types/bun": "^1.3.14",
@@ -1,9 +1,600 @@
 import "../node_modules/@excalidraw/excalidraw/dist/prod/index.css";
 import { Excalidraw } from "@excalidraw/excalidraw";
 import type {
  AppState,
  BinaryFiles,
  ExcalidrawInitialDataState,
 } from "@excalidraw/excalidraw/types";
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { DEFAULT_TITLE, type DrawingMeta, type ScenePayload } from "./shared";
 type DrawingResponse = DrawingMeta & ScenePayload;
 const EXCALIDRAW_THEME_TOKEN_MAP = [
  ["--island-bg-color", "--app-island-bg"],
  ["--sidebar-bg-color", "--app-sidebar-bg"],
  ["--sidebar-border-color", "--app-sidebar-border"],
  ["--sidebar-shadow", "--app-sidebar-shadow"],
  ["--color-surface-lowest", "--app-surface-lowest"],
  ["--color-surface-low", "--app-surface-low"],
  ["--color-surface-primary-container", "--app-selected-bg"],
  ["--color-on-surface", "--app-text-color"],
  ["--color-on-primary-container", "--app-selected-text-color"],
  ["--color-disabled", "--app-disabled-color"],
  ["--input-bg-color", "--app-input-bg"],
  ["--input-border-color", "--app-input-border"],
  ["--input-label-color", "--app-input-color"],
  ["--default-border-color", "--app-button-border"],
  ["--button-hover-bg", "--app-button-hover-bg"],
  ["--button-active-bg", "--app-button-active-bg"],
  ["--button-active-border", "--app-button-active-border"],
  ["--overlay-bg-color", "--app-overlay-bg"],
 ] as const;
 function pathToId(pathname = window.location.pathname): string | null {
  const match = pathname.match(/^\/d\/([^/]+)$/);
  return match?.[1] ?? null;
 }
 function sortDrawings(drawings: DrawingMeta[]): DrawingMeta[] {
  return [...drawings].sort((a, b) => b.updatedAt.localeCompare(a.updatedAt));
 }
 function replaceMeta(drawings: DrawingMeta[], drawing: DrawingMeta): DrawingMeta[] {
  const filtered = drawings.filter((item) => item.id !== drawing.id);
  return sortDrawings([drawing, ...filtered]);
 }
 function sceneToInitialData(scene: ScenePayload): ExcalidrawInitialDataState {
  return scene as ExcalidrawInitialDataState;
 }
 function sceneFromEditor(
  elements: readonly unknown[],
  appState: AppState,
  files: BinaryFiles,
 ): ScenePayload {
  return {
    elements: [...elements],
    appState: appState as unknown as Record<string, unknown>,
    files: files as unknown as Record<string, unknown>,
  };
 }
 async function requestJson<T>(url: string, init?: RequestInit): Promise<T> {
  const response = await fetch(url, {
    ...init,
    headers: {
      ...(init?.body ? { "content-type": "application/json" } : {}),
      ...init?.headers,
    },
  });
  const body = (await response.json()) as T & { error?: string };
  if (!response.ok) {
    throw new Error(body.error ?? `Request failed: ${response.status}`);
  }
  return body;
 }
 function DrawerIcon() {
  return (
    <svg viewBox="0 0 24 24" aria-hidden="true">
      <rect x="3.5" y="5" width="17" height="14" rx="2.5" fill="none" stroke="currentColor" strokeWidth="1.8" />
      <path d="M9 5v14" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" />
      <path d="M5.75 9h1.5M5.75 12h1.5M5.75 15h1.5" fill="none" stroke="currentColor" strokeWidth="1.8" strokeLinecap="round" />
    </svg>
  );
 }
 export function App() {
  const [drawings, setDrawings] = useState<DrawingMeta[]>([]);
  const [activeId, setActiveId] = useState<string | null>(pathToId());
  const [activeTitle, setActiveTitle] = useState(DEFAULT_TITLE);
  const [scene, setScene] = useState<ScenePayload | null>(null);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  const [isSidebarOpen, setIsSidebarOpen] = useState(false);
  const [toastMessage, setToastMessage] = useState<string | null>(null);
  const currentIdRef = useRef<string | null>(activeId);
  const currentTitleRef = useRef(activeTitle);
  const latestSceneRef = useRef<ScenePayload | null>(null);
  const ignoreChangeRef = useRef(false);
  const appShellRef = useRef<HTMLDivElement | null>(null);
  const timeoutRef = useRef<number | null>(null);
  const inFlightSaveRef = useRef<Promise<void> | null>(null);
  const loadVersionRef = useRef(0);
  const themeSyncFrameRef = useRef<number | null>(null);
  const toastTimeoutRef = useRef<number | null>(null);
  const loadedUpdatedAtRef = useRef<string | null>(null);
  const inFlightTitleSaveRef = useRef<Promise<void> | null>(null);
  const activeDrawing = useMemo(
    () => drawings.find((drawing) => drawing.id === activeId) ?? null,
    [activeId, drawings],
  );
  const refreshList = useCallback(async () => {
    const list = await requestJson<DrawingMeta[]>("/api/drawings", { method: "GET" });
    setDrawings(sortDrawings(list));
    return list;
  }, []);
  const saveScene = useCallback(async (isManual = false) => {
    const drawingId = currentIdRef.current;
    const nextScene = latestSceneRef.current;
    if (!drawingId || !nextScene) {
      return;
    }
    setError(null);
    if (isManual) {
      setToastMessage("Saving...");
      if (toastTimeoutRef.current !== null) {
        clearTimeout(toastTimeoutRef.current);
        toastTimeoutRef.current = null;
      }
    }
    const promise = requestJson<{ ok: true; drawing: DrawingMeta }>(`/api/drawings/${drawingId}`, {
      method: "PUT",
      body: JSON.stringify(nextScene),
    })
      .then((body) => {
        loadedUpdatedAtRef.current = body.drawing.updatedAt;
        setDrawings((current) => replaceMeta(current, body.drawing));
        if (isManual) {
          setToastMessage("Saved");
          if (toastTimeoutRef.current !== null) {
            clearTimeout(toastTimeoutRef.current);
          }
          toastTimeoutRef.current = window.setTimeout(() => setToastMessage(null), 2000);
        }
      })
      .catch((saveError: unknown) => {
        setError(saveError instanceof Error ? saveError.message : "Save failed");
        if (isManual) {
          setToastMessage("Save failed");
          if (toastTimeoutRef.current !== null) {
            clearTimeout(toastTimeoutRef.current);
          }
          toastTimeoutRef.current = window.setTimeout(() => setToastMessage(null), 2000);
        }
        throw saveError;
      })
      .finally(() => {
        inFlightSaveRef.current = null;
      });
    inFlightSaveRef.current = promise;
    await promise;
  }, []);
  const flushPendingSave = useCallback(async () => {
    if (timeoutRef.current !== null) {
      clearTimeout(timeoutRef.current);
      timeoutRef.current = null;
      await saveScene();
      return;
    }
    if (inFlightSaveRef.current) {
      await inFlightSaveRef.current;
    }
  }, [saveScene]);
  const triggerManualSave = useCallback(async () => {
    if (timeoutRef.current !== null) {
      clearTimeout(timeoutRef.current);
      timeoutRef.current = null;
    }
    if (inFlightSaveRef.current) {
      await inFlightSaveRef.current;
    }
    await saveScene(true);
  }, [saveScene]);
  const scheduleSave = useCallback(() => {
    if (timeoutRef.current !== null) {
      clearTimeout(timeoutRef.current);
    }
    timeoutRef.current = window.setTimeout(() => {
      timeoutRef.current = null;
      void saveScene();
    }, 30000);
  }, [saveScene]);
  const loadDrawing = useCallback(
    async (drawingId: string) => {
      const version = ++loadVersionRef.current;
      setLoading(true);
      setError(null);
      try {
        const [list, drawing] = await Promise.all([
          requestJson<DrawingMeta[]>("/api/drawings", { method: "GET" }),
          requestJson<DrawingResponse>(`/api/drawings/${drawingId}`, { method: "GET" }),
        ]);
        if (version !== loadVersionRef.current) {
          return;
        }
        const nextScene = {
          elements: drawing.elements,
          appState: drawing.appState,
          files: drawing.files,
        };
        ignoreChangeRef.current = true;
        currentIdRef.current = drawing.id;
        currentTitleRef.current = drawing.title;
        latestSceneRef.current = nextScene;
        loadedUpdatedAtRef.current = drawing.updatedAt;
        setDrawings(sortDrawings(list));
        setActiveId(drawing.id);
        setActiveTitle(drawing.title);
        setScene(nextScene);
      } catch (loadError) {
        const list = await refreshList();
        if (list.length === 0) {
          const created = await requestJson<DrawingResponse>("/api/drawings", { method: "POST" });
          window.history.replaceState(null, "", `/d/${created.id}`);
          await loadDrawing(created.id);
          return;
        }
        const fallback = list[0];
        if (fallback && fallback.id !== drawingId) {
          window.history.replaceState(null, "", `/d/${fallback.id}`);
          await loadDrawing(fallback.id);
          return;
        }
        setError(loadError instanceof Error ? loadError.message : "Failed to load drawing");
      } finally {
        if (version === loadVersionRef.current) {
          setLoading(false);
        }
      }
    },
    [refreshList],
  );
  const navigateToDrawing = useCallback(
    async (drawingId: string, options?: { replace?: boolean; flush?: boolean }) => {
      const replace = options?.replace ?? false;
      const flush = options?.flush ?? true;
      if (drawingId === currentIdRef.current && latestSceneRef.current) {
        if (replace) {
          window.history.replaceState(null, "", `/d/${drawingId}`);
        }
        return;
      }
      if (flush) {
        await flushPendingSave();
      }
      if (replace) {
        window.history.replaceState(null, "", `/d/${drawingId}`);
      } else {
        window.history.pushState(null, "", `/d/${drawingId}`);
      }
      await loadDrawing(drawingId);
    },
    [flushPendingSave, loadDrawing],
  );
  const createDrawing = useCallback(async () => {
    await flushPendingSave();
    const created = await requestJson<DrawingResponse>("/api/drawings", { method: "POST" });
    await navigateToDrawing(created.id, { flush: false });
  }, [flushPendingSave, navigateToDrawing]);
  const deleteDrawing = useCallback(
    async (drawingId: string) => {
      if (!window.confirm("Delete this drawing?")) {
        return;
      }
      if (drawingId === currentIdRef.current) {
        await flushPendingSave();
      }
      const response = await requestJson<{ ok: true; nextId: string | null }>(`/api/drawings/${drawingId}`, {
        method: "DELETE",
      });
      if (drawingId === currentIdRef.current && response.nextId) {
        await navigateToDrawing(response.nextId, { replace: true, flush: false });
      } else {
        await refreshList();
      }
    },
    [flushPendingSave, navigateToDrawing, refreshList],
  );
  const handleTitleSubmit = useCallback(async () => {
    const drawingId = currentIdRef.current;
    if (!drawingId) {
      return;
    }
    const promise = requestJson<{ ok: true; drawing: DrawingMeta }>(`/api/drawings/${drawingId}`, {
      method: "PUT",
      body: JSON.stringify({ title: currentTitleRef.current }),
    }).then((body) => {
      currentTitleRef.current = body.drawing.title;
      loadedUpdatedAtRef.current = body.drawing.updatedAt;
      setActiveTitle(body.drawing.title);
      setDrawings((current) => replaceMeta(current, body.drawing));
    }).catch((renameError) => {
      setError(renameError instanceof Error ? renameError.message : "Rename failed");
    }).finally(() => {
      inFlightTitleSaveRef.current = null;
    });
    inFlightTitleSaveRef.current = promise;
    await promise;
  }, []);
  const syncThemeTokens = useCallback(() => {
    const appShell = appShellRef.current;
    const excalidrawRoot = appShell?.querySelector<HTMLElement>(".excalidraw");
    if (!appShell || !excalidrawRoot) {
      return;
    }
    const computedStyles = window.getComputedStyle(excalidrawRoot);
    for (const [sourceToken, targetToken] of EXCALIDRAW_THEME_TOKEN_MAP) {
      const value = computedStyles.getPropertyValue(sourceToken).trim();
      if (value) {
        appShell.style.setProperty(targetToken, value);
      }
    }
  }, []);
  const scheduleThemeTokenSync = useCallback(() => {
    if (themeSyncFrameRef.current !== null) {
      window.cancelAnimationFrame(themeSyncFrameRef.current);
    }
    themeSyncFrameRef.current = window.requestAnimationFrame(() => {
      themeSyncFrameRef.current = null;
      syncThemeTokens();
    });
  }, [syncThemeTokens]);
  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "s") {
        e.preventDefault();
        e.stopPropagation();
        void triggerManualSave();
      }
    };
    window.addEventListener("keydown", handleKeyDown, { capture: true });
    return () => {
      window.removeEventListener("keydown", handleKeyDown, { capture: true });
    };
  }, [triggerManualSave]);
  useEffect(() => {
    const currentPathId = pathToId();
    if (currentPathId) {
      void loadDrawing(currentPathId);
    } else {
      window.location.replace("/");
    }
    const onPopState = () => {
      const nextId = pathToId();
      if (nextId) {
        void navigateToDrawing(nextId, { replace: true, flush: true });
      }
    };
    window.addEventListener("popstate", onPopState);
    return () => {
      window.removeEventListener("popstate", onPopState);
    };
  }, [loadDrawing, navigateToDrawing]);
  useEffect(() => {
    return () => {
      if (timeoutRef.current !== null) {
        clearTimeout(timeoutRef.current);
      }
      if (themeSyncFrameRef.current !== null) {
        window.cancelAnimationFrame(themeSyncFrameRef.current);
      }
    };
  }, []);
  useEffect(() => {
    const interval = window.setInterval(() => {
      void refreshList();
    }, 5000);
    return () => {
      window.clearInterval(interval);
    };
  }, [refreshList]);
  useEffect(() => {
    if (
      activeDrawing &&
      loadedUpdatedAtRef.current &&
      activeDrawing.updatedAt !== loadedUpdatedAtRef.current &&
      !inFlightSaveRef.current &&
      !inFlightTitleSaveRef.current
    ) {
      if (timeoutRef.current !== null) {
        clearTimeout(timeoutRef.current);
        timeoutRef.current = null;
      }
      void loadDrawing(activeDrawing.id);
    }
  }, [activeDrawing, loadDrawing]);
  useEffect(() => {
    if (!scene || loading) {
      return;
    }
    scheduleThemeTokenSync();
  }, [activeId, loading, scene, scheduleThemeTokenSync]);
  useEffect(() => {
    if (!isSidebarOpen) {
      return;
    }
    const onKeyDown = (event: KeyboardEvent) => {
      if (event.key === "Escape") {
        setIsSidebarOpen(false);
      }
    };
    window.addEventListener("keydown", onKeyDown);
    return () => {
      window.removeEventListener("keydown", onKeyDown);
    };
  }, [isSidebarOpen]);
  const openSidebar = useCallback(() => {
    setIsSidebarOpen(true);
  }, []);
  const closeSidebar = useCallback(() => {
    setIsSidebarOpen(false);
  }, []);
  const handleSelectDrawing = useCallback(
    async (drawingId: string) => {
      setIsSidebarOpen(false);
      await navigateToDrawing(drawingId);
    },
    [navigateToDrawing],
  );
  const handleCreateDrawing = useCallback(async () => {
    setIsSidebarOpen(false);
    await createDrawing();
  }, [createDrawing]);
  return (
-    <div style={{ height: "100vh" }}>
+    <div className="app-shell" ref={appShellRef}>
-      <Excalidraw />
+      {toastMessage && (
        <div className="toast-overlay" aria-live="polite">
          {toastMessage}
        </div>
      )}
      <main className="editor-shell">
        <div className="app-actions">
          <button
            type="button"
            className="secondary-button app-actions-toggle"
            onClick={openSidebar}
            aria-label="Open drawings"
          >
            <DrawerIcon />
            <span className="sr-only">Open drawings</span>
          </button>
        </div>
        {loading || !scene ? (
          <div className="editor-loading">{error ?? "Loading..."}</div>
        ) : (
          <div className="editor-frame">
            <Excalidraw
              key={activeDrawing?.id ?? activeId}
              initialData={sceneToInitialData(scene)}
              onChange={(elements, appState, files) => {
                const nextScene = sceneFromEditor(elements, appState, files);
                latestSceneRef.current = nextScene;
                scheduleThemeTokenSync();
                if (ignoreChangeRef.current) {
                  ignoreChangeRef.current = false;
                  return;
                }
                scheduleSave();
              }}
            />
          </div>
        )}
      </main>
      <div
        className={isSidebarOpen ? "sidebar-backdrop sidebar-backdrop-open" : "sidebar-backdrop"}
        onClick={closeSidebar}
        aria-hidden={!isSidebarOpen}
      />
      <aside className={isSidebarOpen ? "sidebar sidebar-open" : "sidebar"} aria-hidden={!isSidebarOpen}>
        <div className="sidebar-header">
          <h1>excali-box</h1>
          <div className="sidebar-actions">
            <button type="button" className="primary-button" onClick={() => void handleCreateDrawing()}>
              New
            </button>
            <button type="button" className="icon-button" onClick={closeSidebar} aria-label="Close drawings">
              ×
            </button>
          </div>
        </div>
        <div className="drawing-list">
          {drawings.map((drawing) => (
            <div
              key={drawing.id}
              className={drawing.id === activeId ? "drawing-item drawing-item-active" : "drawing-item"}
            >
              {drawing.id === activeId ? (
                <div className="drawing-link">
                  <input
                    className="title-input"
                    value={activeTitle}
                    onChange={(event) => {
                      currentTitleRef.current = event.target.value;
                      setActiveTitle(event.target.value);
                    }}
                    onBlur={() => void handleTitleSubmit()}
                    onKeyDown={(event) => {
                      if (event.key === "Enter") {
                        event.currentTarget.blur();
                      }
                    }}
                  />
                </div>
              ) : (
                <button
                  type="button"
                  className="drawing-link"
                  onClick={() => void handleSelectDrawing(drawing.id)}
                >
                  <span className="drawing-title">{drawing.title}</span>
                </button>
              )}
              <button
                type="button"
                className="icon-button"
                onClick={() => void deleteDrawing(drawing.id)}
                aria-label={`Delete ${drawing.title}`}
              >
                ×
              </button>
            </div>
          ))}
        </div>
      </aside>
    </div>
  );
 }
@@ -0,0 +1,82 @@
 import { describe, expect, test } from "bun:test";
 import { mkdtempSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { createApi } from "./api";
 import { createDrawingStore } from "./db";
 function withApi() {
  const dir = mkdtempSync(join(tmpdir(), "excali-api-"));
  const store = createDrawingStore(join(dir, "test.sqlite"));
  const api = createApi(store);
  return {
    api,
    cleanup() {
      store.close();
      rmSync(dir, { recursive: true, force: true });
    },
  };
 }
 describe("api", () => {
  test("creates a drawing with dark theme by default", async () => {
    const { api, cleanup } = withApi();
    const created = await api.createDrawing().json();
    expect(created.appState.theme).toBe("dark");
    cleanup();
  });
  test("returns 400 for invalid JSON", async () => {
    const { api, cleanup } = withApi();
    const drawing = await api.createDrawing().json();
    const response = await api.updateDrawing(
      Object.assign(
        new Request(`http://local/api/drawings/${drawing.id}`, {
          method: "PUT",
          body: "{",
        }),
        { params: { id: drawing.id } },
      ),
    );
    expect(response.status).toBe(400);
    cleanup();
  });
  test("returns 404 for missing drawing", () => {
    const { api, cleanup } = withApi();
    const response = api.getDrawing(
      Object.assign(new Request("http://local/api/drawings/missing"), { params: { id: "missing" } }),
    );
    expect(response.status).toBe(404);
    cleanup();
  });
  test("updates a drawing scene", async () => {
    const { api, cleanup } = withApi();
    const created = await api.createDrawing().json();
    const response = await api.updateDrawing(
      Object.assign(
        new Request(`http://local/api/drawings/${created.id}`, {
          method: "PUT",
          body: JSON.stringify({
            elements: [{ id: "shape" }],
            appState: {},
            files: {},
          }),
        }),
        { params: { id: created.id } },
      ),
    );
    expect(response.status).toBe(200);
    cleanup();
  });
 });
@@ -0,0 +1,119 @@
 import { type DrawingStore } from "./db";
 import { HttpError, normalizeTitle, parseJsonBody, parseSceneText } from "./scene";
 type RouteRequest = Request & {
  params?: Record<string, string>;
 };
 function json(data: unknown, init?: ResponseInit): Response {
  return Response.json(data, init);
 }
 function errorResponse(error: unknown): Response {
  if (error instanceof HttpError) {
    return json({ ok: false, error: error.message }, { status: error.status });
  }
  console.error(error);
  return json({ ok: false, error: "Internal server error" }, { status: 500 });
 }
 export function createApi(store: DrawingStore) {
  return {
    health() {
      return json({ ok: true });
    },
    listDrawings() {
      return json(store.listDrawings());
    },
    createDrawing() {
      const drawing = store.createDrawing();
      return json(
        {
          id: drawing.id,
          title: drawing.title,
          createdAt: drawing.createdAt,
          updatedAt: drawing.updatedAt,
          ...drawing.scene,
        },
        { status: 201 },
      );
    },
    getDrawing(request: RouteRequest) {
      const id = request.params?.id;
      const drawing = id ? store.getDrawing(id) : null;
      if (!drawing) {
        return json({ ok: false, error: "Drawing not found" }, { status: 404 });
      }
      return json({
        id: drawing.id,
        title: drawing.title,
        createdAt: drawing.createdAt,
        updatedAt: drawing.updatedAt,
        ...drawing.scene,
      });
    },
    async updateDrawing(request: RouteRequest) {
      try {
        const id = request.params?.id;
        if (!id) {
          throw new HttpError(400, "Missing drawing id");
        }
        const text = await request.text();
        const raw = parseJsonBody<Record<string, unknown>>(text);
        const hasTitle = Object.hasOwn(raw, "title");
        const hasScene =
          Object.hasOwn(raw, "elements") ||
          Object.hasOwn(raw, "appState") ||
          Object.hasOwn(raw, "files");
        if (!hasTitle && !hasScene) {
          throw new HttpError(400, "Nothing to update");
        }
        const scene = hasScene ? parseSceneText(text) : undefined;
        const updated = store.updateDrawing(id, {
          scene,
          title: hasTitle ? normalizeTitle(raw.title) : undefined,
        });
        if (!updated) {
          return json({ ok: false, error: "Drawing not found" }, { status: 404 });
        }
        return json({
          ok: true,
          drawing: {
            id: updated.id,
            title: updated.title,
            createdAt: updated.createdAt,
            updatedAt: updated.updatedAt,
          },
        });
      } catch (error) {
        return errorResponse(error);
      }
    },
    deleteDrawing(request: RouteRequest) {
      const id = request.params?.id;
      if (!id) {
        return json({ ok: false, error: "Missing drawing id" }, { status: 400 });
      }
      const { deleted, next } = store.deleteDrawing(id);
      if (!deleted) {
        return json({ ok: false, error: "Drawing not found" }, { status: 404 });
      }
      return json({ ok: true, nextId: next?.id ?? null });
    },
  };
 }
@@ -1,6 +1,7 @@
 import { StrictMode } from "react";
 import { createRoot } from "react-dom/client";
 import { App } from "./App";
 import "./styles.css";
 const root = document.getElementById("root");
@@ -0,0 +1,50 @@
 import { afterEach, describe, expect, test } from "bun:test";
 import { mkdtempSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { createDrawingStore } from "./db";
 const cleanup: string[] = [];
 afterEach(() => {
  while (cleanup.length > 0) {
    const dir = cleanup.pop();
    if (dir) {
      rmSync(dir, { recursive: true, force: true });
    }
  }
 });
 function createTempStore() {
  const dir = mkdtempSync(join(tmpdir(), "excali-"));
  cleanup.push(dir);
  return createDrawingStore(join(dir, "test.sqlite"));
 }
 describe("drawing store", () => {
  test("creates, updates, lists, and deletes drawings", () => {
    const store = createTempStore();
    const created = store.createDrawing();
    expect(created.title).toBe("Untitled");
    expect(created.scene.appState.theme).toBe("dark");
    expect(store.listDrawings()).toHaveLength(1);
    const updated = store.updateDrawing(created.id, {
      title: "Flow",
      scene: {
        elements: [{ id: "one" }],
        appState: { gridSize: 20 },
        files: {},
      },
    });
    expect(updated?.title).toBe("Flow");
    expect(updated?.scene.elements).toHaveLength(1);
    const removed = store.deleteDrawing(created.id);
    expect(removed.deleted).toBe(true);
    expect(store.listDrawings()).toHaveLength(1);
    expect(removed.next?.id).not.toBe(created.id);
  });
 });
@@ -0,0 +1,209 @@
 import { Database } from "bun:sqlite";
 import { randomUUID } from "node:crypto";
 import { mkdirSync } from "node:fs";
 import { dirname } from "node:path";
 import { DEFAULT_TITLE, type DrawingMeta, type DrawingRecord, type ScenePayload } from "./shared";
 import { coerceStoredScene, emptyScene, normalizeTitle } from "./scene";
 type DrawingRow = {
  id: string;
  title: string;
  data: string;
  createdAt: string;
  updatedAt: string;
 };
 type DrawingMetaRow = Omit<DrawingRow, "data">;
 export type DrawingStore = ReturnType<typeof createDrawingStore>;
 function createId(): string {
  return randomUUID().replaceAll("-", "").slice(0, 12);
 }
 function resolveDatabasePath(): string {
  if (process.env.DATABASE_PATH) {
    return process.env.DATABASE_PATH;
  }
  try {
    mkdirSync("/data", { recursive: true });
    return "/data/excalidraw.sqlite";
  } catch {
    return `${process.cwd()}/data/excalidraw.sqlite`;
  }
 }
 function readMeta(row: DrawingMetaRow | null | undefined): DrawingMeta | null {
  if (!row) {
    return null;
  }
  return {
    id: row.id,
    title: row.title,
    createdAt: row.createdAt,
    updatedAt: row.updatedAt,
  };
 }
 function readRow(row: DrawingRow | null | undefined): DrawingRecord | null {
  if (!row) {
    return null;
  }
  return {
    ...readMeta(row)!,
    scene: coerceStoredScene(JSON.parse(row.data)),
  };
 }
 export function createDrawingStore(databasePath = resolveDatabasePath()) {
  mkdirSync(dirname(databasePath), { recursive: true });
  const db = new Database(databasePath, { create: true, strict: true });
  db.exec(`
    PRAGMA journal_mode = WAL;
    CREATE TABLE IF NOT EXISTS drawings (
      id TEXT PRIMARY KEY,
      title TEXT NOT NULL,
      data TEXT NOT NULL,
      created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
      updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
    );
    CREATE INDEX IF NOT EXISTS drawings_updated_at_idx
    ON drawings(updated_at DESC, created_at DESC);
  `);
  const listQuery = db.query(`
    SELECT
      id,
      title,
      created_at AS createdAt,
      updated_at AS updatedAt
    FROM drawings
    ORDER BY updated_at DESC, created_at DESC
  `);
  const getQuery = db.query(`
    SELECT
      id,
      title,
      data,
      created_at AS createdAt,
      updated_at AS updatedAt
    FROM drawings
    WHERE id = ?1
  `);
  const createQuery = db.query(`
    INSERT INTO drawings (id, title, data)
    VALUES (?1, ?2, ?3)
  `);
  const updateSceneQuery = db.query(`
    UPDATE drawings
    SET data = ?2, updated_at = CURRENT_TIMESTAMP
    WHERE id = ?1
  `);
  const updateTitleQuery = db.query(`
    UPDATE drawings
    SET title = ?2, updated_at = CURRENT_TIMESTAMP
    WHERE id = ?1
  `);
  const updateBothQuery = db.query(`
    UPDATE drawings
    SET title = ?2, data = ?3, updated_at = CURRENT_TIMESTAMP
    WHERE id = ?1
  `);
  const deleteQuery = db.query(`
    DELETE FROM drawings
    WHERE id = ?1
  `);
  function listDrawings(): DrawingMeta[] {
    return (listQuery.all() as DrawingMetaRow[]).map((row) => readMeta(row)!);
  }
  function getDrawing(id: string): DrawingRecord | null {
    return readRow(getQuery.get(id) as DrawingRow | null | undefined);
  }
  function createDrawing(title = DEFAULT_TITLE): DrawingRecord {
    const id = createId();
    createQuery.run(id, normalizeTitle(title), JSON.stringify(emptyScene()));
    return getDrawing(id)!;
  }
  function getLatestDrawing(): DrawingMeta | null {
    return listDrawings()[0] ?? null;
  }
  function ensureInitialDrawing(): DrawingMeta {
    return getLatestDrawing() ?? createDrawing();
  }
  function updateDrawing(id: string, update: { scene?: ScenePayload; title?: string }): DrawingRecord | null {
    const existing = getDrawing(id);
    if (!existing) {
      return null;
    }
    const hasScene = update.scene !== undefined;
    const hasTitle = update.title !== undefined;
    if (!hasScene && !hasTitle) {
      return existing;
    }
    if (hasScene && hasTitle) {
      updateBothQuery.run(id, normalizeTitle(update.title), JSON.stringify(update.scene));
    } else if (hasScene) {
      updateSceneQuery.run(id, JSON.stringify(update.scene));
    } else {
      updateTitleQuery.run(id, normalizeTitle(update.title));
    }
    return getDrawing(id);
  }
  function deleteDrawing(id: string): { deleted: boolean; next: DrawingMeta | null } {
    const changes = Number(deleteQuery.run(id).changes);
    if (changes === 0) {
      return { deleted: false, next: null };
    }
    return {
      deleted: true,
      next: ensureInitialDrawing(),
    };
  }
  function close() {
    db.close(false);
  }
  return {
    databasePath,
    close,
    listDrawings,
    getDrawing,
    createDrawing,
    getLatestDrawing,
    ensureInitialDrawing,
    updateDrawing,
    deleteDrawing,
  };
 }
 let defaultStore: DrawingStore | null = null;
 export function getDefaultDrawingStore(): DrawingStore {
  defaultStore ??= createDrawingStore();
  return defaultStore;
 }
@@ -0,0 +1,19 @@
 import index from "./index.html";
 import { createServer } from "./server";
 export function createDevServer() {
  const server = createServer();
  return {
    ...server,
    routes: {
      ...server.routes,
      "/d/:id": index,
    },
  } satisfies Parameters<typeof Bun.serve>[0];
 }
 if (import.meta.main) {
  const server = Bun.serve(createDevServer());
  console.log(`Listening on http://${server.hostname}:${server.port}`);
 }
@@ -5,7 +5,7 @@
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <!-- to resolve the hs and css from root -->
    <base href="/" />
-    <title>Repro</title>
+    <title>excali-box</title>
    <script type="module" src="./client.tsx"></script>
  </head>
  <body>
@@ -0,0 +1,119 @@
 import { afterEach, describe, expect, test } from "bun:test";
 import { mkdtempSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { createDrawingStore, type DrawingStore } from "./db";
 import { createMcpToolHandlers, resolvePublicBaseUrl } from "./mcp-server";
 import { type ScenePayload } from "./shared";
 const cleanup: Array<{ dir: string; store: DrawingStore }> = [];
 afterEach(() => {
  while (cleanup.length > 0) {
    const item = cleanup.pop();
    if (item) {
      item.store.close();
      rmSync(item.dir, { recursive: true, force: true });
    }
  }
 });
 function createTempTools() {
  const dir = mkdtempSync(join(tmpdir(), "excali-mcp-"));
  const store = createDrawingStore(join(dir, "test.sqlite"));
  cleanup.push({ dir, store });
  return {
    store,
    tools: createMcpToolHandlers(store, "http://example.test"),
  };
 }
 function testScene(): ScenePayload {
  return {
    elements: [
      { id: "one", type: "rectangle", x: 10, y: 20 },
      { id: "two", type: "text", text: "hello" },
    ],
    appState: { theme: "dark" },
    files: {},
  };
 }
 describe("mcp tool handlers", () => {
  test("PUBLIC_BASE_URL is required", () => {
    expect(() => resolvePublicBaseUrl("")).toThrow("PUBLIC_BASE_URL is required");
  });
  test("create_drawing writes an explicit scene to a temp SQLite DB", () => {
    const { store, tools } = createTempTools();
    const scene = testScene();
    const result = tools.create_drawing({ title: "explicit", scene });
    const drawing = store.getDrawing(result.id);
    expect(result).toEqual({
      id: result.id,
      title: "explicit",
      url: `http://example.test/d/${result.id}`,
    });
    expect(drawing?.scene).toEqual(scene);
  });
  test("get_drawing returns raw scene plus URL", () => {
    const { tools } = createTempTools();
    const scene = testScene();
    const result = tools.create_drawing({ title: "read", scene });
    const drawing = tools.get_drawing({ id: result.id });
    expect(drawing).toMatchObject({
      id: result.id,
      title: "read",
      url: `http://example.test/d/${result.id}`,
      scene,
    });
  });
  test("replace_drawing updates the existing drawing", () => {
    const { store, tools } = createTempTools();
    const result = tools.create_drawing({ title: "replace", scene: testScene() });
    const nextScene: ScenePayload = {
      elements: [{ id: "manual", type: "rectangle" }],
      appState: { theme: "dark" },
      files: {},
    };
    tools.replace_drawing({ id: result.id, title: "replaced", scene: nextScene });
    expect(store.listDrawings()).toHaveLength(1);
    expect(store.getDrawing(result.id)?.title).toBe("replaced");
    expect(store.getDrawing(result.id)?.scene).toEqual(nextScene);
  });
  test("patch_drawing replaces an element property and removes an element", () => {
    const { store, tools } = createTempTools();
    const result = tools.create_drawing({ title: "patch", scene: testScene() });
    tools.patch_drawing({
      id: result.id,
      patch: [
        { op: "replace", path: "/elements/0/x", value: 42 },
        { op: "remove", path: "/elements/1" },
      ],
    });
    expect(store.getDrawing(result.id)?.scene.elements).toEqual([{ id: "one", type: "rectangle", x: 42, y: 20 }]);
  });
  test("missing drawing IDs return tool errors", () => {
    const { tools } = createTempTools();
    expect(() => tools.get_drawing({ id: "missing" })).toThrow("Drawing not found: missing");
    expect(() =>
      tools.replace_drawing({
        id: "missing",
        scene: testScene(),
      }),
    ).toThrow("Drawing not found: missing");
  });
 });
@@ -0,0 +1,243 @@
 import { applyPatch, type Operation } from "fast-json-patch";
 import { createMcpHandler } from "mcp-handler";
 import { z } from "zod";
 import { createDrawingStore, type DrawingStore } from "./db";
 import { normalizeScene, normalizeTitle } from "./scene";
 import { type ScenePayload } from "./shared";
 const sceneSchema = z.object({
  elements: z.array(z.unknown()),
  appState: z.record(z.string(), z.unknown()),
  files: z.record(z.string(), z.unknown()),
 });
 const patchOperationSchema = z.object({
  op: z.enum(["add", "remove", "replace", "move", "copy", "test"]),
  path: z.string(),
  from: z.string().optional(),
  value: z.unknown().optional(),
 });
 const idInput = z.object({ id: z.string().min(1) });
 const createDrawingInput = z.object({ title: z.string(), scene: sceneSchema });
 const replaceDrawingInput = z.object({
  id: z.string().min(1),
  title: z.string().optional(),
  scene: sceneSchema,
 });
 const patchDrawingInput = z.object({
  id: z.string().min(1),
  title: z.string().optional(),
  patch: z.array(patchOperationSchema).min(1),
 });
 type ToolResult = {
  content: Array<{ type: "text"; text: string }>;
 };
 function trimTrailingSlash(url: string): string {
  return url.replace(/\/+$/, "");
 }
 export function resolvePublicBaseUrl(raw = process.env.PUBLIC_BASE_URL): string {
  const value = raw?.trim();
  if (!value) {
    throw new Error("PUBLIC_BASE_URL is required for the MCP server");
  }
  try {
    const url = new URL(value);
    if (url.protocol === "http:" || url.protocol === "https:") {
      return trimTrailingSlash(url.toString());
    }
  } catch {
  }
  throw new Error("PUBLIC_BASE_URL must be an absolute http(s) URL");
 }
 function drawingUrl(baseUrl: string, id: string): string {
  return `${trimTrailingSlash(baseUrl)}/d/${id}`;
 }
 function jsonText(data: unknown): ToolResult {
  return {
    content: [
      {
        type: "text",
        text: JSON.stringify(data, null, 2),
      },
    ],
  };
 }
 function notFound(id: string): never {
  throw new Error(`Drawing not found: ${id}`);
 }
 function mutationResult(publicBaseUrl: string, drawing: { id: string; title: string }) {
  return {
    id: drawing.id,
    title: drawing.title,
    url: drawingUrl(publicBaseUrl, drawing.id),
  };
 }
 function updateExistingDrawing(
  store: DrawingStore,
  id: string,
  update: { scene?: ScenePayload; title?: string },
 ) {
  const updated = store.updateDrawing(id, update);
  return updated ?? notFound(id);
 }
 function applyScenePatch(scene: ScenePayload, patch: Operation[]): ScenePayload {
  try {
    const result = applyPatch(structuredClone(scene), patch, true, true, true);
    return normalizeScene(result.newDocument);
  } catch (error) {
    throw new Error(error instanceof Error ? `Invalid JSON Patch: ${error.message}` : "Invalid JSON Patch");
  }
 }
 export function createMcpToolHandlers(store: DrawingStore, publicBaseUrl: string) {
  return {
    list_drawings() {
      return store.listDrawings();
    },
    get_drawing(input: unknown) {
      const { id } = idInput.parse(input);
      const drawing = store.getDrawing(id) ?? notFound(id);
      return {
        id: drawing.id,
        title: drawing.title,
        createdAt: drawing.createdAt,
        updatedAt: drawing.updatedAt,
        url: drawingUrl(publicBaseUrl, drawing.id),
        scene: drawing.scene,
      };
    },
    create_drawing(input: unknown) {
      const { title, scene } = createDrawingInput.parse(input);
      const created = store.createDrawing(normalizeTitle(title));
      const updated = updateExistingDrawing(store, created.id, {
        title,
        scene: normalizeScene(scene),
      });
      return mutationResult(publicBaseUrl, updated);
    },
    replace_drawing(input: unknown) {
      const { id, title, scene } = replaceDrawingInput.parse(input);
      const updated = updateExistingDrawing(store, id, {
        title,
        scene: normalizeScene(scene),
      });
      return mutationResult(publicBaseUrl, updated);
    },
    patch_drawing(input: unknown) {
      const { id, title, patch } = patchDrawingInput.parse(input);
      const drawing = store.getDrawing(id) ?? notFound(id);
      const updated = updateExistingDrawing(store, id, {
        title,
        scene: applyScenePatch(drawing.scene, patch as Operation[]),
      });
      return mutationResult(publicBaseUrl, updated);
    },
  };
 }
 export function createExcaliMcpHandler(store: DrawingStore, publicBaseUrl: string) {
  const tools = createMcpToolHandlers(store, publicBaseUrl);
  return createMcpHandler(
    (server) => {
      server.registerTool(
        "list_drawings",
        {
          title: "List Drawings",
          description: "Returns drawing metadata ordered like the app list.",
        },
        async () => jsonText(tools.list_drawings()),
      );
      server.registerTool(
        "get_drawing",
        {
          title: "Get Drawing",
          description: "Returns drawing metadata, browser URL, and raw ScenePayload.",
          inputSchema: idInput.shape,
        },
        async (input) => jsonText(tools.get_drawing(input)),
      );
      server.registerTool(
        "create_drawing",
        {
          title: "Create Drawing",
          description: "Creates a drawing from an explicit Excalidraw ScenePayload.",
          inputSchema: createDrawingInput.shape,
        },
        async (input) => jsonText(tools.create_drawing(input)),
      );
      server.registerTool(
        "replace_drawing",
        {
          title: "Replace Drawing",
          description: "Replaces a drawing scene and optionally its title.",
          inputSchema: replaceDrawingInput.shape,
        },
        async (input) => jsonText(tools.replace_drawing(input)),
      );
      server.registerTool(
        "patch_drawing",
        {
          title: "Patch Drawing",
          description: "Applies RFC 6902 JSON Patch operations to a drawing scene and optionally updates its title.",
          inputSchema: patchDrawingInput.shape,
        },
        async (input) => jsonText(tools.patch_drawing(input)),
      );
    },
    {
      serverInfo: {
        name: "excali",
        version: "0.1.0",
      },
    },
    {
      basePath: "",
      disableSse: true,
      maxDuration: 60,
    },
  );
 }
 export function createMcpServer() {
  const store = createDrawingStore(process.env.DATABASE_PATH);
  const handler = createExcaliMcpHandler(store, resolvePublicBaseUrl());
  return {
    port: Number(process.env.MCP_PORT ?? "3001"),
    hostname: process.env.MCP_HOST ?? "127.0.0.1",
    fetch(request: Request) {
      const url = new URL(request.url);
      if (url.pathname !== "/mcp") {
        return Response.json({ ok: false, error: "Not found" }, { status: 404 });
      }
      return handler(request);
    },
  } satisfies Parameters<typeof Bun.serve>[0];
 }
 if (import.meta.main) {
  const server = Bun.serve(createMcpServer());
  console.log(`MCP listening on http://${server.hostname}:${server.port}/mcp`);
 }
@@ -0,0 +1,31 @@
 import { describe, expect, test } from "bun:test";
 import { HttpError, MAX_SCENE_BYTES, emptyScene, normalizeScene, parseJsonBody } from "./scene";
 describe("scene helpers", () => {
  test("creates empty scenes with dark theme by default", () => {
    const scene = emptyScene();
    expect(scene.appState.theme).toBe("dark");
  });
  test("normalizes volatile app state fields", () => {
    const scene = normalizeScene({
      elements: [],
      appState: {
        selectedElementIds: { one: true },
        viewModeEnabled: false,
      },
      files: {},
    });
    expect(scene.appState.selectedElementIds).toBeUndefined();
    expect(scene.appState.viewModeEnabled).toBe(false);
  });
  test("rejects oversized payloads", () => {
    const text = "x".repeat(MAX_SCENE_BYTES + 1);
    expect(() => parseJsonBody(text)).toThrow(HttpError);
    expect(() => parseJsonBody(text)).toThrow("Payload too large");
  });
 });
@@ -0,0 +1,97 @@
 import { DEFAULT_TITLE, type ScenePayload } from "./shared";
 export const MAX_SCENE_BYTES = 25 * 1024 * 1024;
 export class HttpError extends Error {
  constructor(
    readonly status: number,
    message: string,
  ) {
    super(message);
  }
 }
 const VOLATILE_APP_STATE_KEYS = new Set([
  "collaborators",
  "selectedElementIds",
  "selectedGroupIds",
  "editingElement",
  "editingLinearElement",
  "openMenu",
  "openSidebar",
  "contextMenu",
  "toast",
 ]);
 export function emptyScene(): ScenePayload {
  return {
    elements: [],
    appState: { theme: "dark" },
    files: {},
  };
 }
 function isRecord(value: unknown): value is Record<string, unknown> {
  return typeof value === "object" && value !== null && !Array.isArray(value);
 }
 export function normalizeTitle(input: unknown): string {
  if (typeof input !== "string") {
    return DEFAULT_TITLE;
  }
  const trimmed = input.trim();
  return trimmed.length > 0 ? trimmed : DEFAULT_TITLE;
 }
 export function normalizeScene(input: unknown): ScenePayload {
  if (!isRecord(input)) {
    throw new HttpError(400, "Body must be an object");
  }
  if (!Array.isArray(input.elements)) {
    throw new HttpError(400, "elements must be an array");
  }
  if (!isRecord(input.appState)) {
    throw new HttpError(400, "appState must be an object");
  }
  if (!isRecord(input.files)) {
    throw new HttpError(400, "files must be an object");
  }
  const appState = Object.fromEntries(
    Object.entries(input.appState).filter(([key]) => !VOLATILE_APP_STATE_KEYS.has(key)),
  );
  return {
    elements: input.elements,
    appState,
    files: input.files,
  };
 }
 export function parseJsonBody<T = unknown>(text: string): T {
  if (new TextEncoder().encode(text).byteLength > MAX_SCENE_BYTES) {
    throw new HttpError(413, "Payload too large");
  }
  try {
    return JSON.parse(text) as T;
  } catch {
    throw new HttpError(400, "Invalid JSON");
  }
 }
 export function parseSceneText(text: string): ScenePayload {
  return normalizeScene(parseJsonBody(text));
 }
 export function coerceStoredScene(input: unknown): ScenePayload {
  try {
    return normalizeScene(input);
  } catch {
    return emptyScene();
  }
 }
@@ -0,0 +1,70 @@
 import { afterEach, describe, expect, test } from "bun:test";
 import { mkdtempSync, rmSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { createDrawingStore, type DrawingStore } from "./db";
 import { createServer } from "./server";
 const cleanup: string[] = [];
 const stores: DrawingStore[] = [];
 afterEach(() => {
  while (stores.length > 0) {
    stores.pop()?.close();
  }
  while (cleanup.length > 0) {
    const dir = cleanup.pop();
    if (dir) {
      rmSync(dir, { recursive: true, force: true });
    }
  }
 });
 function createServerFixture() {
  const dir = mkdtempSync(join(tmpdir(), "excali-server-"));
  cleanup.push(dir);
  const store = createDrawingStore(join(dir, "test.sqlite"));
  stores.push(store);
  return {
    store,
    server: createServer({ drawingStore: store }),
  };
 }
 describe("createServer", () => {
  test("redirects / to the latest drawing", () => {
    const { server, store } = createServerFixture();
    const response = server.routes["/"]?.(new Request("http://local/")) as Response;
    const created = store.listDrawings();
    expect(created).toHaveLength(1);
    expect(response.status).toBe(302);
    expect(response.headers.get("location")).toBe(`http://local/d/${created[0]?.id}`);
  });
  test("keeps Bun responsible for API routes", async () => {
    const { server } = createServerFixture();
    const response = await server.routes["/api/health"]?.GET?.();
    expect(response?.status).toBe(200);
    expect(await response?.json()).toEqual({ ok: true });
  });
  test("does not expose a Bun static route for drawings in production", () => {
    const { server } = createServerFixture();
    expect(Object.hasOwn(server.routes, "/d/:id")).toBe(false);
  });
  test("returns JSON 404 for unmatched requests", async () => {
    const { server } = createServerFixture();
    const response = await server.fetch(new Request("http://local/index-abc123.js"));
    expect(response.status).toBe(404);
    expect(await response.json()).toEqual({ ok: false, error: "Not found" });
  });
 });
@@ -0,0 +1,40 @@
 import { createApi } from "./api";
 import { type DrawingStore, getDefaultDrawingStore } from "./db";
 type CreateServerOptions = {
  drawingStore?: DrawingStore;
 };
 export function createServer(options: CreateServerOptions = {}) {
  const drawingStore = options.drawingStore ?? getDefaultDrawingStore();
  const api = createApi(drawingStore);
  return {
    port: Number(process.env.PORT ?? "3000"),
    hostname: process.env.HOST ?? "localhost",
    routes: {
      "/": (request: Request) => {
        const drawing = drawingStore.ensureInitialDrawing();
        return Response.redirect(new URL(`/d/${drawing.id}`, request.url), 302);
      },
      "/api/health": {
        GET: () => api.health(),
      },
      "/api/drawings": {
        GET: () => api.listDrawings(),
        POST: () => api.createDrawing(),
      },
      "/api/drawings/:id": {
        GET: (request: Request & { params: Record<string, string> }) => api.getDrawing(request),
        PUT: (request: Request & { params: Record<string, string> }) => api.updateDrawing(request),
        DELETE: (request: Request & { params: Record<string, string> }) => api.deleteDrawing(request),
      },
    },
    fetch: (_request: Request) => Response.json({ ok: false, error: "Not found" }, { status: 404 }),
  } satisfies Parameters<typeof Bun.serve>[0];
 }
 if (import.meta.main) {
  const server = Bun.serve(createServer());
  console.log(`Listening on http://${server.hostname}:${server.port}`);
 }
@@ -0,0 +1,18 @@
 export type ScenePayload = {
  elements: unknown[];
  appState: Record<string, unknown>;
  files: Record<string, unknown>;
 };
 export type DrawingMeta = {
  id: string;
  title: string;
  createdAt: string;
  updatedAt: string;
 };
 export type DrawingRecord = DrawingMeta & {
  scene: ScenePayload;
 };
 export const DEFAULT_TITLE = "Untitled";
@@ -0,0 +1,313 @@
 :root {
  color-scheme: light;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
 }
 * {
  box-sizing: border-box;
 }
 html,
 body,
 #root {
  margin: 0;
  height: 100%;
 }
 body {
  background: #f5f5f4;
  color: #18181b;
 }
 button,
 input {
  font: inherit;
 }
 .app-shell {
  height: 100%;
  color: var(--app-text-color, #18181b);
  --app-sidebar-font-size: 0.875rem;
  --app-island-bg: #ffffff;
  --app-sidebar-bg: #ffffff;
  --app-sidebar-border: #e4e4e7;
  --app-sidebar-shadow: 0 24px 80px rgba(24, 24, 27, 0.22);
  --app-surface-lowest: #ffffff;
  --app-surface-low: #f4f4f5;
  --app-selected-bg: #f4f4f5;
  --app-text-color: #18181b;
  --app-selected-text-color: #18181b;
  --app-disabled-color: #a1a1aa;
  --app-input-bg: #ffffff;
  --app-input-border: #d4d4d8;
  --app-input-color: #18181b;
  --app-button-border: #d4d4d8;
  --app-button-hover-bg: #f4f4f5;
  --app-button-active-bg: #e4e4e7;
  --app-button-active-border: #5b8def;
  --app-overlay-bg: rgba(255, 255, 255, 0.88);
 }
 .sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  display: flex;
  height: 100%;
  width: min(340px, calc(100vw - 32px));
  flex-direction: column;
  border-right: 1px solid var(--app-sidebar-border);
  background: var(--app-sidebar-bg);
  box-shadow: var(--app-sidebar-shadow);
  transform: translateX(calc(-100% - 24px));
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
 }
 .sidebar-open {
  transform: translateX(0);
 }
 .sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--app-sidebar-border);
  padding: 16px;
 }
 .sidebar-header h1 {
  margin: 0;
  font-size: var(--app-sidebar-font-size);
  font-weight: 600;
  color: var(--app-text-color);
 }
 .sidebar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
 }
 .sidebar-actions .primary-button,
 .sidebar-actions .icon-button {
  height: 32px;
 }
 .drawing-list {
  flex: 1;
  overflow: auto;
  padding: 8px;
 }
 .drawing-item {
  display: flex;
  align-items: center;
  gap: 4px;
  border-radius: 8px;
  padding: 4px 12px;
 }
 .drawing-item-active {
  background: var(--app-selected-bg);
  color: var(--app-selected-text-color);
 }
 .drawing-link {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: inherit;
  padding: 8px 0;
  text-align: left;
  font-size: var(--app-sidebar-font-size);
 }
 .drawing-title,
 .title-input {
  display: block;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
 }
 .title-input {
  border: 1px solid var(--app-input-border);
  border-radius: 6px;
  background: var(--app-input-bg);
  color: var(--app-input-color);
  font-size: var(--app-sidebar-font-size);
  padding: 6px 8px;
 }
 .editor-shell {
  position: relative;
  height: 100%;
 }
 .app-actions {
  position: fixed;
  right: max(16px, calc(env(safe-area-inset-right) + 16px));
  bottom: calc(max(16px, env(safe-area-inset-bottom)) + 48px);
  z-index: 20;
  display: flex;
 }
 .app-actions-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--lg-button-size, 2.25rem);
  height: var(--lg-button-size, 2.25rem);
  padding: 0;
  border: none;
  border-radius: var(--border-radius-lg, 12px);
  box-shadow: 0 0 0 1px var(--app-surface-lowest);
  background: var(--app-surface-low);
  color: var(--app-text-color);
 }
 .app-actions-toggle svg {
  width: 1rem;
  height: 1rem;
  overflow: visible;
  transform: translateY(0.5px) scale(1.08);
  transform-origin: center;
 }
 .primary-button,
 .secondary-button,
 .icon-button {
  border: 1px solid var(--app-button-border);
  border-radius: 8px;
  background: var(--app-island-bg);
  color: var(--app-text-color);
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    color 120ms ease,
    box-shadow 120ms ease;
 }
 .primary-button,
 .secondary-button {
  cursor: pointer;
  font-size: var(--app-sidebar-font-size);
  font-weight: 500;
  padding: 8px 12px;
 }
 .primary-button:hover,
 .secondary-button:hover,
 .icon-button:hover {
  background: var(--app-button-hover-bg);
 }
 .primary-button:active,
 .secondary-button:active,
 .icon-button:active {
  background: var(--app-button-active-bg);
  border-color: var(--app-button-active-border);
 }
 .secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  color: var(--app-disabled-color);
 }
 .icon-button {
  display: inline-flex;
  flex: 0 0 32px;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
 }
 .sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--app-overlay-bg) 72%, #000000);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
 }
 .sidebar-backdrop-open {
  opacity: 1;
  pointer-events: auto;
 }
 .toast-overlay {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  background: var(--app-overlay-bg);
  backdrop-filter: blur(4px);
  color: var(--app-text-color);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: var(--app-sidebar-font-size);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--app-sidebar-border);
  pointer-events: none;
 }
 .editor-frame,
 .editor-loading {
  height: 100%;
 }
 .editor-loading {
  display: grid;
  place-items: center;
  color: var(--app-text-color);
 }
 .app-actions-toggle:hover {
  background: var(--app-button-hover-bg);
 }
 .app-actions-toggle:active {
  box-shadow: 0 0 0 1px var(--app-button-active-border);
  background: var(--app-button-active-bg);
 }
 .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
 }
@media (max-width: 900px) {
  .sidebar {
    width: min(300px, calc(100vw - 20px));
  }
  .app-actions {
    right: max(16px, calc(env(safe-area-inset-right) + 16px));
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + 56px);
  }
 }
Author	SHA1	Message	Date
ruinivist	ff2fee02ff	fix: use inequality instead of greater than for timestamp check Addresses PR feedback to rely on timestamp inequality since it is more robust to clock issues and timestamp resolution when saving on the backend.	2026-05-31 10:58:45 +00:00
ruinivist	0d0d4b8a85	fix: reload drawing when edited externally by MCP Adds an active polling and reload mechanism. It tracks the `updatedAt` timestamp of the current drawing and polls `refreshList` every 5 seconds. If the server's drawing is newer, it clears pending autosaves and reloads the drawing to reflect the external changes. Also tracks when a title save is in progress to avoid reloading when the current user renamed the drawing.	2026-05-31 01:21:08 +00:00
ruinivist	1b0024d78f	feat: add mcp scene api	2026-05-31 00:08:51 +00:00
ruinivist	570baf83ab	feat: implement manual save with toast notification (#4 ) * feat: implement manual save via Ctrl+S with toast and increase autosave interval - Increased autosave interval to 30s. - Captured Ctrl+S / Meta+S to trigger manual save. - Added a minimalistic, translucent toast in the top right to display saving status. * feat: implement manual save via Ctrl+S with toast and increase autosave interval - Increased autosave interval to 30s. - Captured Ctrl+S / Meta+S to trigger manual save. - Added a minimalistic, translucent toast in the top right to display saving status. --------- Co-authored-by: ruinivist <179396038+ruinivist@users.noreply.github.com>	2026-05-30 23:40:01 +05:30