Initial

.vscode/launch.json

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+{
+  // Built-in JS debugger (no extensions needed).
+  // - "Open built plate" : zero-setup, rebuilds + opens the single file. Great for quick visual checks.
+  // - "Debug source"     : breakpoints in src/*.js via a dev server (the real source-level debug).
+  // - Node configs        : breakpoint straight into the generation logic — no browser involved.
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "chrome",
+      "request": "launch",
+      "name": "Open built plate (Chrome, no server)",
+      "file": "${workspaceFolder}/bubble_chamber.html",
+      "preLaunchTask": "build",
+      "webRoot": "${workspaceFolder}"
+    },
+    {
+      "type": "chrome",
+      "request": "launch",
+      "name": "Debug source (Chrome + dev server)",
+      "url": "http://localhost:8000/index.html",
+      "webRoot": "${workspaceFolder}",
+      "preLaunchTask": "serve"
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug scene → SVG (Node)",
+      "program": "${workspaceFolder}/tools/render-svg.mjs",
+      "args": ["BEBC Archival", "BEBC-1973"],
+      "skipFiles": ["<node_internals>/**"],
+      "console": "integratedTerminal"
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug scene → PDF (Node)",
+      "program": "${workspaceFolder}/tools/render-pdf.mjs",
+      "args": ["BEBC Archival", "BEBC-1973"],
+      "skipFiles": ["<node_internals>/**"],
+      "console": "integratedTerminal"
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Debug build (Node)",
+      "program": "${workspaceFolder}/build.mjs",
+      "skipFiles": ["<node_internals>/**"],
+      "console": "integratedTerminal"
+    }
+  ]
+}

.vscode/tasks.json

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+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "build",
+      "type": "shell",
+      "command": "node build.mjs",
+      "problemMatcher": [],
+      "group": { "kind": "build", "isDefault": true },
+      "presentation": { "reveal": "silent", "panel": "shared" }
+    },
+    {
+      // Static dev server for source-level debugging. Reuses an existing
+      // server on :8000 if one is already up, otherwise starts one.
+      "label": "serve",
+      "type": "shell",
+      "command": "curl -s localhost:8000 >/dev/null 2>&1 && echo 'Serving HTTP (already up)' || python3 -m http.server 8000",
+      "isBackground": true,
+      "problemMatcher": {
+        "pattern": { "regexp": "^$" },
+        "background": {
+          "activeOnStart": true,
+          "beginsPattern": "Serving HTTP",
+          "endsPattern": "Serving HTTP"
+        }
+      },
+      "presentation": { "reveal": "silent", "panel": "dedicated" }
+    }
+  ]
+}