segment color shader

.github/workflows/deploy_gae.yml

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+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build-and-deploy-gae:
+    if: github.repository == 'seung-lab/neuroglancer'
+    permissions:
+      contents: "read"
+      id-token: "write"
+      deployments: "write"
+    strategy:
+      matrix:
+        os:
+          - "ubuntu-latest"
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          # Need full history to determine version number.
+          fetch-depth: 0
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24.x
+          cache: "npm"
+          cache-dependency-path: |
+            package-lock.json
+            examples/**/package-lock.json
+      - run: npm install
+      - name: Typecheck with TypeScript
+        run: npm run typecheck
+      - name: Get branch name (merge)
+        if: github.event_name != 'pull_request'
+        shell: bash
+        run: echo "BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | tr / -)" >> $GITHUB_ENV
+      - name: Get branch name (pull request)
+        if: github.event_name == 'pull_request'
+        shell: bash
+        run: echo "BRANCH_NAME=$(echo ${GITHUB_HEAD_REF} | tr / -)" >> $GITHUB_ENV
+      - run: echo "BRANCH_NAME_URL=$(echo ${{ env.BRANCH_NAME }} | tr / - | tr _ -)" >> $GITHUB_ENV
+      - name: Get build info
+        run: echo "BUILD_INFO={\"tag\":\"$(git describe --always --tags)\", \"url\":\"https://github.com/${{github.repository}}/commit/$(git rev-parse HEAD)\", \"timestamp\":\"$(date)\", \"branch\":\"${{github.repository}}/${{env.BRANCH_NAME}}\"}" >> $GITHUB_ENV
+        shell: bash
+      - name: Build client bundles
+        run: npm run build -- --no-typecheck --no-lint --define STATE_SERVERS=$(cat config/state_servers.json | tr -d " \t\n\r") --define NEUROGLANCER_BUILD_INFO='${{ env.BUILD_INFO }}' --define NEUROGLANCER_CUSTOM_INPUT_BINDINGS=$(cat config/custom-keybinds.json | tr -d " \t\n\r")
+      - name: Write build info
+        run: echo $BUILD_INFO > ./dist/client/version.json
+        shell: bash
+      - run: cp -r ./dist/client appengine/frontend/static/
+      - name: start deployment
+        uses: bobheadxi/deployments@v1
+        id: deployment
+        with:
+          step: start
+          token: ${{ secrets.GITHUB_TOKEN }}
+          env: ${{ env.BRANCH_NAME }}
+          desc: Setting up staging deployment for ${{ env.BRANCH_NAME }}
+      - id: "auth"
+        uses: "google-github-actions/auth@v1"
+        with:
+          workload_identity_provider: "projects/483670036293/locations/global/workloadIdentityPools/neuroglancer-github/providers/github"
+          service_account: "chris-apps-deploy@seung-lab.iam.gserviceaccount.com"
+      - id: deploy
+        uses: google-github-actions/deploy-appengine@main
+        with:
+          version: ${{ env.BRANCH_NAME_URL }}
+          deliverables: appengine/frontend/app.yaml
+          promote: false
+      - name: update deployment status
+        uses: bobheadxi/deployments@v1
+        if: always()
+        with:
+          step: finish
+          token: ${{ secrets.GITHUB_TOKEN }}
+          env: ${{ steps.deployment.outputs.env }}
+          env_url: ${{ steps.deploy.outputs.url }}
+          status: ${{ job.status }}
+          deployment_id: ${{ steps.deployment.outputs.deployment_id }}

appengine/frontend/app.yaml

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+runtime: python312
+
+service: neuroglancer
+
+handlers:
+  # Handle the main page by serving the index page.
+  # Note the $ to specify the end of the path, since app.yaml does prefix matching.
+  - url: /$
+    static_files: static/index.html
+    upload: static/index.html
+    login: optional
+    secure: always
+    redirect_http_response_code: 301
+
+  - url: /
+    static_dir: static
+    login: optional
+    secure: always
+    redirect_http_response_code: 301

config/custom-keybinds.json

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+{
+  "keym": {
+    "action": {
+      "layerType": "segmentation",
+      "tool": "grapheneMergeSegments",
+      "provider": "graphene"
+    }
+  },
+  "keyc": {
+    "action": {
+      "layerType": "segmentation",
+      "tool": "grapheneMulticutSegments",
+      "provider": "graphene"
+    }
+  },
+  "keyf": {
+    "action": {
+      "layerType": "segmentation",
+      "tool": "grapheneFindPath",
+      "provider": "graphene"
+    }
+  },
+  "keyx": {
+    "action": false
+  },
+  "control+shift+keyx": {
+    "action": "clear-segments"
+  },
+  "bracketleft": [
+    { "action": false, "context": "sliceView" },
+    { "action": false, "context": "perspectiveView" },
+    { "action": "select-previous" }
+  ],
+  "bracketright": [
+    { "action": false, "context": "sliceView" },
+    { "action": false, "context": "perspectiveView" },
+    { "action": "select-next" }
+  ]
+}

config/state_servers.json

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+{
+  "cave": {
+    "url": "middleauth+https://global.daf-apis.com/nglstate/api/v1/post",
+    "default": true
+  }
+}