chore: clean CHANGELOG.md

The old code had a bug that highlighted a socket from a node to which a
edge already exists which could not be connected to

.dprint.jsonc

@@ -13,16 +13,12 @@
   "markdown": {},
   "toml": {},
   "dockerfile": {},
-  "ruff": {},
-  "jupyter": {},
-  "malva": {},
   "markup": {
     // https://dprint.dev/plugins/markup_fmt/config/
     "scriptIndent": true,
     "styleIndent": true,
   },
   "yaml": {},
-  "graphql": {},
   "exec": {
     "cwd": "${configDir}",
     "commands": [
@@ -53,13 +49,8 @@
     "https://plugins.dprint.dev/markdown-0.20.0.wasm",
     "https://plugins.dprint.dev/toml-0.7.0.wasm",
     "https://plugins.dprint.dev/dockerfile-0.3.3.wasm",
-    "https://plugins.dprint.dev/ruff-0.6.11.wasm",
-    "https://plugins.dprint.dev/jupyter-0.2.1.wasm",
-    "https://plugins.dprint.dev/g-plane/malva-v0.15.1.wasm",
     "https://plugins.dprint.dev/g-plane/markup_fmt-v0.25.3.wasm",
     "https://plugins.dprint.dev/g-plane/pretty_yaml-v0.5.1.wasm",
-    "https://plugins.dprint.dev/g-plane/pretty_graphql-v0.2.3.wasm",
     "https://plugins.dprint.dev/exec-0.6.0.json@a054130d458f124f9b5c91484833828950723a5af3f8ff2bd1523bd47b83b364",
-    "https://plugins.dprint.dev/biome-0.11.10.wasm",
   ],
 }

.gitea/scripts/build.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+mkdir -p app/static
+
+cp CHANGELOG.md app/static/CHANGELOG.md
+
+# Derive branch/tag info
+REF_TYPE="${GITHUB_REF_TYPE:-branch}"
+REF_NAME="${GITHUB_REF_NAME:-$(basename "$GITHUB_REF")}"
+BRANCH="${GITHUB_HEAD_REF:-}"
+if [[ -z "$BRANCH" && "$REF_TYPE" == "branch" ]]; then
+  BRANCH="$REF_NAME"
+fi
+
+# Determine last tag and commits since
+LAST_TAG="$(git describe --tags --abbrev=0 2>/dev/null || true)"
+if [[ -n "$LAST_TAG" ]]; then
+  COMMITS_SINCE_LAST_RELEASE="$(git rev-list --count "${LAST_TAG}..HEAD")"
+else
+  COMMITS_SINCE_LAST_RELEASE="0"
+fi
+
+cat >app/static/git.json <<EOF
+{
+  "ref": "${GITHUB_REF:-}",
+  "ref_name": "${REF_NAME}",
+  "ref_type": "${REF_TYPE}",
+  "sha": "${GITHUB_SHA:-}",
+  "run_number": "${GITHUB_RUN_NUMBER:-}",
+  "event_name": "${GITHUB_EVENT_NAME:-}",
+  "workflow": "${GITHUB_WORKFLOW:-}",
+  "job": "${GITHUB_JOB:-}",
+  "commit_message": "$(git log -1 --pretty=%B)",
+  "commit_timestamp": "$(git log -1 --pretty=%cI)",
+  "branch": "${BRANCH}",
+  "commits_since_last_release": "${COMMITS_SINCE_LAST_RELEASE}"
+}
+EOF
+
+pnpm build
+
+cp -R packages/ui/build app/build/ui

.gitea/scripts/ci-checks.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+pnpm build
+
+pnpm lint &
+LINT_PID=$!
+pnpm format:check &
+FORMAT_PID=$!
+pnpm check &
+TYPE_PID=$!
+xvfb-run --auto-servernum --server-args="-screen 0 1280x1024x24" pnpm test &
+TEST_PID=$!
+
+wait $LINT_PID
+wait $FORMAT_PID
+wait $TYPE_PID
+wait $TEST_PID

.gitea/scripts/create-release.sh

@@ -5,16 +5,21 @@ TAG="$GITHUB_REF_NAME"
 VERSION=$(echo "$TAG" | sed 's/^v//')
 DATE=$(date +%Y-%m-%d)
 
-echo "🚀 Creating release for $TAG (safe mode)"
+echo "🚀 Creating release for $TAG"
 
 # -------------------------------------------------------------------
 # 1. Extract release notes from annotated tag
 # -------------------------------------------------------------------
 
+# Ensure the local git knows this is an annotated tag with metadata
+git fetch origin "refs/tags/$TAG:refs/tags/$TAG" --force
+
+# %(contents) gets the whole message.
+# If you want ONLY what you typed after the first line, use %(contents:body)
 NOTES=$(git tag -l "$TAG" --format='%(contents)')
 
-if [ -z "$NOTES" ]; then
-  echo "❌ Tag message is empty"
+if [ -z "$(echo "$NOTES" | tr -d '[:space:]')" ]; then
+  echo "❌ Tag message is empty or tag is not annotated"
   exit 1
 fi
 
@@ -23,25 +28,39 @@ git checkout main
 # -------------------------------------------------------------------
 # 2. Update all package.json versions
 # -------------------------------------------------------------------
-
 echo "🔧 Updating package.json versions to $VERSION"
-
-find . -name package.json ! -path "*/node_modules/*" | while read file; do
+find . -name package.json ! -path "*/node_modules/*" | while read -r file; do
   tmp_file="$file.tmp"
   jq --arg v "$VERSION" '.version = $v' "$file" >"$tmp_file"
   mv "$tmp_file" "$file"
 done
 
 # -------------------------------------------------------------------
-# 3. Update CHANGELOG.md (prepend)
+# 3. Generate commit list since last release
 # -------------------------------------------------------------------
+LAST_TAG=$(git tag --sort=-creatordate | grep -v "^$TAG$" | head -n 1 || echo "")
 
+if [ -n "$LAST_TAG" ]; then
+  # Filter out previous 'chore(release)' commits so the list stays clean
+  COMMITS=$(git log "$LAST_TAG"..HEAD --pretty=format:'* [%h](https://git.max-richter.dev/max/nodarium/commit/%H) %s' | grep -v "chore(release)")
+else
+  COMMITS=$(git log HEAD --pretty=format:'* [%h](https://git.max-richter.dev/max/nodarium/commit/%H) %s' | grep -v "chore(release)")
+fi
+
+# -------------------------------------------------------------------
+# 4. Update CHANGELOG.md (prepend)
+# -------------------------------------------------------------------
 tmp_changelog="CHANGELOG.tmp"
 {
   echo "## $TAG ($DATE)"
   echo ""
   echo "$NOTES"
   echo ""
+  if [ -n "$COMMITS" ]; then
+    echo "### All Commits in this version:"
+    echo "$COMMITS"
+    echo ""
+  fi
   echo "---"
   echo ""
   if [ -f CHANGELOG.md ]; then
@@ -51,27 +70,22 @@ tmp_changelog="CHANGELOG.tmp"
 
 mv "$tmp_changelog" CHANGELOG.md
 
-# -------------------------------------------------------------------
-# 4. Create release commit
-# -------------------------------------------------------------------
+pnpm exec dprint fmt CHANGELOG.md
 
+# -------------------------------------------------------------------
+# 5. Create release commit
+# -------------------------------------------------------------------
 git config user.name "release-bot"
 git config user.email "release-bot@ci"
 
 git add CHANGELOG.md $(find . -name package.json ! -path "*/node_modules/*")
 
-# Skip commit if nothing changed
 if git diff --cached --quiet; then
   echo "No changes to commit for release $TAG"
-  exit 0
+else
+  git commit -m "chore(release): $TAG"
+  git push origin main
 fi
 
-git commit -m "chore(release): $TAG"
-
-# -------------------------------------------------------------------
-# 5. Push changes
-# -------------------------------------------------------------------
-
-git push origin main
-
-echo "✅ Release commit for $TAG created successfully (tag untouched)"
+cp CHANGELOG.md app/static/CHANGELOG.md
+echo "✅ Release process for $TAG complete"

.gitea/scripts/deploy-files.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Configuring rclone"
+
+KEY_FILE="$(mktemp)"
+echo "${SSH_PRIVATE_KEY}" >"${KEY_FILE}"
+chmod 600 "${KEY_FILE}"
+
+mkdir -p ~/.config/rclone
+cat >~/.config/rclone/rclone.conf <<EOF
+[sftp-remote]
+type = sftp
+host = ${SSH_HOST}
+user = ${SSH_USER}
+port = ${SSH_PORT}
+key_file = ${KEY_FILE}
+EOF
+
+if [[ "${GITHUB_REF_TYPE:-}" == "tag" ]]; then
+  TARGET_DIR="${REMOTE_DIR}"
+elif [[ "${GITHUB_EVENT_NAME:-}" == "pull_request" ]]; then
+  SAFE_PR_NAME="${GITHUB_HEAD_REF//\//-}"
+  TARGET_DIR="${REMOTE_DIR}_${SAFE_PR_NAME}"
+elif [[ "${GITHUB_REF_NAME:-}" == "main" ]]; then
+  TARGET_DIR="${REMOTE_DIR}_main"
+else
+  SAFE_REF="${GITHUB_REF_NAME//\//-}"
+  TARGET_DIR="${REMOTE_DIR}_${SAFE_REF}"
+fi
+
+echo "Deploying to ${TARGET_DIR}"
+
+rclone sync \
+  --update \
+  --verbose \
+  --progress \
+  --exclude _astro/** \
+  --stats 2s \
+  --stats-one-line \
+  --transfers 4 \
+  ./app/build/ \
+  "sftp-remote:${TARGET_DIR}"

.gitea/workflows/build-ci-image.yaml

@@ -0,0 +1,39 @@
+name: Build & Push CI Image
+
+on:
+  push:
+    paths:
+      - "Dockerfile.ci"
+      - ".gitea/workflows/build-ci-image.yaml"
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker BuildX
+        uses: docker/setup-buildx-action@v2
+        with:
+          config-inline: |
+            [registry."git.max-richter.dev"]
+              https = true
+              insecure = false
+
+      - name: Login to Gitea Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.max-richter.dev
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+
+      - name: Build and Push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile.ci
+          push: true
+          tags: |
+            git.max-richter.dev/${{ gitea.repository }}-ci:latest
+            git.max-richter.dev/${{ gitea.repository }}-ci:${{ github.sha }}

.gitea/workflows/release.yaml

@@ -1,24 +1,28 @@
-name: 🚀 Release
+name: 🚀 Lint & Test & Deploy
 
 on:
   push:
     branches: ["*"]
     tags: ["*"]
+  pull_request:
+    branches: ["*"]
 
 env:
-  PNPM_CACHE_FOLDER: ~/.pnpm-store
+  PNPM_CACHE_FOLDER: /.pnpm-store
+  CARGO_HOME: /.cargo
+  CARGO_TARGET_DIR: target
 
 jobs:
   release:
     runs-on: ubuntu-latest
-    container: jimfx/nodes:latest
+    container: git.max-richter.dev/max/nodarium-ci:fd7268d6208aede435e1685817ae6b271c68bd83
 
     steps:
       - name: 📑 Checkout Code
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GITEA_TOKEN }}
 
       - name: 💾 Setup pnpm Cache
         uses: actions/cache@v4
@@ -28,31 +32,45 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pnpm-
 
+      - name: 🦀 Cache Cargo
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-
+
       - name: 📦 Install Dependencies
         run: pnpm install --frozen-lockfile --store-dir ${{ env.PNPM_CACHE_FOLDER }}
 
-      - name: 🧹 Lint
-        run: pnpm lint
-
-      - name: 🎨 Format Check
-        run: pnpm format:check
-
-      - name: 🧬 Type Check
-        run: pnpm check
+      - name: 🧹 Quality Control
+        run: ./.gitea/scripts/ci-checks.sh
 
       - name: 🛠️ Build
-        run: pnpm build:deploy
+        run: ./.gitea/scripts/build.sh
 
       - name: 🚀 Create Release Commit
-        if: github.ref_type == 'tag'
+        if: gitea.ref_type == 'tag'
         run: ./.gitea/scripts/create-release.sh
 
       - name: 🏷️ Create Gitea Release
-        if: github.ref_type == 'tag'
+        if: gitea.ref_type == 'tag'
         uses: akkuman/gitea-release-action@v1
         with:
-          tag_name: ${{ github.ref_name }}
-          release_name: Release ${{ github.ref_name }}
+          tag_name: ${{ gitea.ref_name }}
+          release_name: Release ${{ gitea.ref_name }}
           body_path: CHANGELOG.md
           draft: false
           prerelease: false
+
+      - name: 🚀 Deploy Changed Files via rclone
+        run: ./.gitea/scripts/deploy-files.sh
+        env:
+          REMOTE_DIR: ${{ vars.REMOTE_DIR }}
+          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
+          SSH_HOST: ${{ vars.SSH_HOST }}
+          SSH_PORT: ${{ vars.SSH_PORT }}
+          SSH_USER: ${{ vars.SSH_USER }}

CHANGELOG.md

@@ -0,0 +1,13 @@
+## v0.0.2 (2026-02-04)
+
+fix(ci): actually deploy on tags
+fix(app): correctly handle false value in settings
+-> This caused a bug where random seed could not be false.
+
+---
+
+## v0.0.1 (2026-02-03)
+
+chore: format
+
+---

Dockerfile

@@ -1,19 +0,0 @@
-FROM node:24-alpine
-
-# Install all required packages in one layer
-RUN apk add --no-cache curl git jq g++ make
-
-# Set Rust paths
-ENV RUSTUP_HOME=/usr/local/rustup \
-    CARGO_HOME=/usr/local/cargo \
-    PATH=/usr/local/cargo/bin:$PATH
-
-# Install Rust, wasm target, and pnpm
-RUN curl --silent --show-error --location --fail --retry 3 \
-      --proto '=https' --tlsv1.2 \
-      --output /tmp/rustup-init.sh https://sh.rustup.rs \
-    && sh /tmp/rustup-init.sh -y --no-modify-path --profile minimal \
-    && rm /tmp/rustup-init.sh \
-    && rustup target add wasm32-unknown-unknown \
-    && rm -rf /usr/local/rustup/toolchains/*/share/doc \
-    && npm i -g pnpm

Dockerfile.ci

@@ -0,0 +1,30 @@
+FROM node:25-bookworm-slim
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+  CARGO_HOME=/usr/local/cargo \
+  PATH=/usr/local/cargo/bin:$PATH
+
+RUN apt-get update && apt-get install -y \
+  ca-certificates=20230311+deb12u1 \
+  curl=7.88.1-10+deb12u14 \
+  git=1:2.39.5-0+deb12u3 \
+  jq=1.6-2.1+deb12u1 \
+  g++=4:12.2.0-3 \
+  rclone=1.60.1+dfsg-2+b5 \
+  xvfb=2:21.1.7-3+deb12u11 \
+  xauth=1:1.1.2-1 \
+  --no-install-recommends \
+  # Install Rust
+  && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y \
+  --default-toolchain stable \
+  --profile minimal \
+  && rustup target add wasm32-unknown-unknown \
+  # Setup Playwright
+  && npm i -g pnpm \
+  && pnpm dlx playwright install --with-deps firefox \
+  # Final Cleanup
+  && rm -rf /usr/local/rustup/downloads /usr/local/rustup/tmp \ 
+  && rm -rf /usr/local/cargo/registry/index /usr/local/cargo/registry/cache \ 
+  && rm -rf /usr/local/rustup/toolchains/*/share/doc \ 
+  && apt-get purge -y --auto-remove \ 
+  && rm -rf /var/lib/apt/lists/*

app/.gitignore

@@ -27,3 +27,5 @@ dist-ssr
 *.sln
 *.sw?
 build/
+
+test-results/

app/e2e/main.test.ts

@@ -0,0 +1,62 @@
+import { expect, test } from '@playwright/test';
+
+test('test', async ({ page }) => {
+  // Listen for console messages
+  page.on('console', msg => {
+    console.log(`[Browser Console] ${msg.type()}: ${msg.text()}`);
+  });
+
+  await page.goto('http://localhost:4173', { waitUntil: 'load' });
+
+  // await expect(page).toHaveScreenshot();
+  await expect(page.locator('.graph-wrapper')).toHaveScreenshot();
+
+  await page.getByRole('button', { name: 'projects' }).click();
+  await page.getByRole('button', { name: 'New', exact: true }).click();
+  await page.getByRole('combobox').selectOption('2');
+  await page.getByRole('textbox', { name: 'Project name' }).click();
+  await page.getByRole('textbox', { name: 'Project name' }).fill('Test Project');
+  await page.getByRole('button', { name: 'Create' }).click();
+
+  const expectedNodes = [
+    {
+      id: '10',
+      type: 'max/plantarium/stem',
+      props: {
+        amount: 50,
+        length: 4,
+        thickness: 1
+      }
+    },
+    {
+      id: '11',
+      type: 'max/plantarium/noise',
+      props: {
+        scale: 0.5,
+        strength: 5
+      }
+    },
+    {
+      id: '9',
+      type: 'max/plantarium/output'
+    }
+  ];
+
+  for (const node of expectedNodes) {
+    const wrapper = page.locator(
+      `div.wrapper[data-node-id="${node.id}"][data-node-type="${node.type}"]`
+    );
+    await expect(wrapper).toBeVisible();
+    if ('props' in node) {
+      const props = node.props as unknown as Record<string, number>;
+      for (const propId in node.props) {
+        const expectedValue = props[propId];
+        const inputElement = page.locator(
+          `div.wrapper[data-node-type="${node.type}"][data-node-input="${propId}"] input[type="number"]`
+        );
+        const value = parseFloat(await inputElement.inputValue());
+        expect(value).toBe(expectedValue);
+      }
+    }
+  }
+});

app/package.json

@@ -1,12 +1,14 @@
 {
   "name": "@nodarium/app",
   "private": true,
-  "version": "0.0.0",
+  "version": "0.0.3",
   "type": "module",
   "scripts": {
     "dev": "vite dev",
     "build": "svelte-kit sync && vite build",
-    "test": "vitest",
+    "test:unit": "vitest",
+    "test": "npm run test:unit -- --run && npm run test:e2e",
+    "test:e2e": "playwright test",
     "preview": "vite preview",
     "format": "dprint fmt -c '../.dprint.jsonc' .",
     "format:check": "dprint check -c '../.dprint.jsonc' .",
@@ -16,7 +18,7 @@
   "dependencies": {
     "@nodarium/ui": "workspace:*",
     "@nodarium/utils": "workspace:*",
-    "@sveltejs/kit": "^2.50.0",
+    "@sveltejs/kit": "^2.50.2",
     "@tailwindcss/vite": "^4.1.18",
     "@threlte/core": "8.3.1",
     "@threlte/extras": "9.7.1",
@@ -25,26 +27,27 @@
     "idb": "^8.0.3",
     "jsondiffpatch": "^0.7.3",
     "tailwindcss": "^4.1.18",
-    "three": "^0.182.0",
-    "wabt": "^1.0.39"
+    "three": "^0.182.0"
   },
   "devDependencies": {
     "@eslint/compat": "^2.0.2",
     "@eslint/js": "^9.39.2",
     "@iconify-json/tabler": "^1.2.26",
     "@iconify/tailwind4": "^1.2.1",
-    "@nodarium/types": "workspace:",
+    "@nodarium/types": "workspace:^",
+    "@playwright/test": "^1.58.1",
     "@sveltejs/adapter-static": "^3.0.10",
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
-    "@tsconfig/svelte": "^5.0.6",
+    "@tsconfig/svelte": "^5.0.7",
     "@types/file-saver": "^2.0.7",
     "@types/three": "^0.182.0",
+    "@vitest/browser-playwright": "^4.0.18",
     "dprint": "^0.51.1",
     "eslint": "^9.39.2",
     "eslint-plugin-svelte": "^3.14.0",
     "globals": "^17.3.0",
-    "svelte": "^5.46.4",
-    "svelte-check": "^4.3.5",
+    "svelte": "^5.49.2",
+    "svelte-check": "^4.3.6",
     "tslib": "^2.8.1",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.54.0",
@@ -52,6 +55,7 @@
     "vite-plugin-comlink": "^5.3.0",
     "vite-plugin-glsl": "^1.5.5",
     "vite-plugin-wasm": "^3.5.0",
-    "vitest": "^4.0.17"
+    "vitest": "^4.0.18",
+    "vitest-browser-svelte": "^2.0.2"
   }
 }

app/playwright.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from '@playwright/test';
+
+export default defineConfig({
+  webServer: { command: 'pnpm build && pnpm preview', port: 4173 },
+  testDir: 'e2e',
+  use: {
+    browserName: 'firefox',
+    launchOptions: {
+      firefoxUserPrefs: {
+        // Force WebGL even without a GPU
+        'webgl.force-enabled': true,
+        'webgl.disabled': false,
+        // Use software rendering (Mesa) instead of hardware
+        'layers.acceleration.disabled': true,
+        'gfx.webrender.software': true,
+        'webgl.enable-webgl2': true
+      }
+    }
+  }
+});

app/src/app.css

@@ -2,7 +2,7 @@
 @source "../../packages/ui/**/*.svelte";
 @plugin "@iconify/tailwind4" {
   prefix: "i";
-  icon-sets: from-folder(custom, "./src/lib/icons");
+  icon-sets: from-folder("custom", "./src/lib/icons");
 }
 
 body * {

app/src/lib/graph-interface/graph-manager.svelte.test.ts

@@ -0,0 +1,265 @@
+import { describe, expect, it } from 'vitest';
+import { GraphManager } from './graph-manager.svelte';
+import {
+  createMockNodeRegistry,
+  mockFloatInputNode,
+  mockFloatOutputNode,
+  mockGeometryOutputNode,
+  mockPathInputNode,
+  mockVec3OutputNode
+} from './test-utils';
+
+describe('GraphManager', () => {
+  describe('getPossibleSockets', () => {
+    describe('when dragging an output socket', () => {
+      it('should return compatible input sockets based on type', () => {
+        const registry = createMockNodeRegistry([
+          mockFloatOutputNode,
+          mockFloatInputNode,
+          mockGeometryOutputNode,
+          mockPathInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const floatInputNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        const floatOutputNode = manager.createNode({
+          type: 'test/node/output',
+          position: [0, 0],
+          props: {}
+        });
+
+        expect(floatInputNode).toBeDefined();
+        expect(floatOutputNode).toBeDefined();
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: floatOutputNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        expect(possibleSockets.length).toBe(1);
+        const socketNodeIds = possibleSockets.map(([node]) => node.id);
+        expect(socketNodeIds).toContain(floatInputNode!.id);
+      });
+
+      it('should exclude self node from possible sockets', () => {
+        const registry = createMockNodeRegistry([
+          mockFloatOutputNode,
+          mockFloatInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const floatInputNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        expect(floatInputNode).toBeDefined();
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: floatInputNode!,
+          index: 'value',
+          position: [0, 0]
+        });
+
+        const socketNodeIds = possibleSockets.map(([node]) => node.id);
+        expect(socketNodeIds).not.toContain(floatInputNode!.id);
+      });
+
+      it('should exclude parent nodes from possible sockets when dragging output', () => {
+        const registry = createMockNodeRegistry([
+          mockFloatOutputNode,
+          mockFloatInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const parentNode = manager.createNode({
+          type: 'test/node/output',
+          position: [0, 0],
+          props: {}
+        });
+
+        const childNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        expect(parentNode).toBeDefined();
+        expect(childNode).toBeDefined();
+
+        if (parentNode && childNode) {
+          manager.createEdge(parentNode, 0, childNode, 'value');
+        }
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: parentNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        const socketNodeIds = possibleSockets.map(([node]) => node.id);
+        expect(socketNodeIds).not.toContain(childNode!.id);
+      });
+
+      it('should return sockets compatible with accepts property', () => {
+        const registry = createMockNodeRegistry([
+          mockGeometryOutputNode,
+          mockPathInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const geometryOutputNode = manager.createNode({
+          type: 'test/node/geometry',
+          position: [0, 0],
+          props: {}
+        });
+
+        const pathInputNode = manager.createNode({
+          type: 'test/node/path',
+          position: [100, 100],
+          props: {}
+        });
+
+        expect(geometryOutputNode).toBeDefined();
+        expect(pathInputNode).toBeDefined();
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: geometryOutputNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        const socketNodeIds = possibleSockets.map(([node]) => node.id);
+        expect(socketNodeIds).toContain(pathInputNode!.id);
+      });
+
+      it('should return empty array when no compatible sockets exist', () => {
+        const registry = createMockNodeRegistry([
+          mockVec3OutputNode,
+          mockFloatInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const vec3OutputNode = manager.createNode({
+          type: 'test/node/vec3',
+          position: [0, 0],
+          props: {}
+        });
+
+        const floatInputNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        expect(vec3OutputNode).toBeDefined();
+        expect(floatInputNode).toBeDefined();
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: vec3OutputNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        const socketNodeIds = possibleSockets.map(([node]) => node.id);
+        expect(socketNodeIds).not.toContain(floatInputNode!.id);
+        expect(possibleSockets.length).toBe(0);
+      });
+
+      it('should return socket info with correct socket key for inputs', () => {
+        const registry = createMockNodeRegistry([
+          mockFloatOutputNode,
+          mockFloatInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const floatOutputNode = manager.createNode({
+          type: 'test/node/output',
+          position: [0, 0],
+          props: {}
+        });
+
+        const floatInputNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        expect(floatOutputNode).toBeDefined();
+        expect(floatInputNode).toBeDefined();
+
+        const possibleSockets = manager.getPossibleSockets({
+          node: floatOutputNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        const matchingSocket = possibleSockets.find(([node]) => node.id === floatInputNode!.id);
+        expect(matchingSocket).toBeDefined();
+        expect(matchingSocket![1]).toBe('value');
+      });
+
+      it('should return multiple compatible sockets', () => {
+        const registry = createMockNodeRegistry([
+          mockFloatOutputNode,
+          mockFloatInputNode,
+          mockGeometryOutputNode,
+          mockPathInputNode
+        ]);
+
+        const manager = new GraphManager(registry);
+
+        const floatOutputNode = manager.createNode({
+          type: 'test/node/output',
+          position: [0, 0],
+          props: {}
+        });
+
+        const geometryOutputNode = manager.createNode({
+          type: 'test/node/geometry',
+          position: [200, 0],
+          props: {}
+        });
+
+        const floatInputNode = manager.createNode({
+          type: 'test/node/input',
+          position: [100, 100],
+          props: {}
+        });
+
+        const pathInputNode = manager.createNode({
+          type: 'test/node/path',
+          position: [300, 100],
+          props: {}
+        });
+
+        expect(floatOutputNode).toBeDefined();
+        expect(geometryOutputNode).toBeDefined();
+        expect(floatInputNode).toBeDefined();
+        expect(pathInputNode).toBeDefined();
+
+        const possibleSocketsForFloat = manager.getPossibleSockets({
+          node: floatOutputNode!,
+          index: 0,
+          position: [0, 0]
+        });
+
+        expect(possibleSocketsForFloat.length).toBe(1);
+        expect(possibleSocketsForFloat.map(([n]) => n.id)).toContain(floatInputNode!.id);
+      });
+    });
+  });
+});

app/src/lib/graph-interface/graph-manager.svelte.ts

@@ -757,12 +757,16 @@ export class GraphManager extends EventEmitter<{
         (n) => n.id !== node.id && !parents.has(n.id)
       );
 
-      // get edges from this socket
-      const edges = new SvelteMap(
-        this.getEdgesFromNode(node)
-          .filter((e) => e[1] === index)
-          .map((e) => [e[2].id, e[3]])
-      );
+      const edges = new SvelteMap<number, string[]>();
+      this.getEdgesFromNode(node)
+        .filter((e) => e[1] === index)
+        .forEach((e) => {
+          if (edges.has(e[2].id)) {
+            edges.get(e[2].id)?.push(e[3]);
+          } else {
+            edges.set(e[2].id, [e[3]]);
+          }
+        });
 
       const ownType = nodeType.outputs?.[index];
 
@@ -775,7 +779,7 @@ export class GraphManager extends EventEmitter<{
 
           if (
             areSocketsCompatible(ownType, otherType)
-            && edges.get(node.id) !== key
+            && !edges.get(node.id)?.includes(key)
           ) {
             sockets.push([node, key]);
           }

app/src/lib/graph-interface/graph/mouse.events.ts

@@ -265,7 +265,7 @@ export class MouseEventManager {
         }
       }
 
-      if (_socket && smallestDist < 0.9) {
+      if (_socket && smallestDist < 1.5) {
         this.state.mousePosition = _socket.position;
         this.state.hoveredSocket = _socket;
       } else {

app/src/lib/graph-interface/node/NodeHeader.svelte

@@ -35,8 +35,8 @@
   );
   const pathHover = $derived(
     createNodePath({
-      depth: 8.5,
-      height: 50,
+      depth: 7,
+      height: 40,
       y: 49,
       cornerTop,
       rightBump,
@@ -113,6 +113,9 @@
     stroke: var(--stroke);
     stroke-width: var(--stroke-width);
     d: var(--path);
+
+    stroke-linejoin: round;
+    shape-rendering: geometricPrecision;
   }
 
   .content {

app/src/lib/graph-interface/node/NodeParameter.svelte

@@ -39,16 +39,6 @@
   const aspectRatio = 0.5;
 
   const path = $derived(
-    createNodePath({
-      depth: 7,
-      height: 20,
-      y: 50.5,
-      cornerBottom,
-      leftBump,
-      aspectRatio
-    })
-  );
-  const pathDisabled = $derived(
     createNodePath({
       depth: 6,
       height: 18,
@@ -60,8 +50,8 @@
   );
   const pathHover = $derived(
     createNodePath({
-      depth: 8,
-      height: 25,
+      depth: 7,
+      height: 20,
       y: 50.5,
       cornerBottom,
       leftBump,
@@ -74,7 +64,7 @@
   class="wrapper"
   data-node-type={node.type}
   data-node-input={id}
-  class:disabled={!graphState?.possibleSocketIds.has(socketId)}
+  class:possible-socket={graphState?.possibleSocketIds.has(socketId)}
 >
   {#key id && graphId}
     <div class="content" class:disabled={graph?.inputSockets?.has(socketId)}>
@@ -91,10 +81,9 @@
     </div>
 
     {#if node?.state?.type?.inputs?.[id]?.internal !== true}
-      <div data-node-socket class="large target"></div>
       <div
         data-node-socket
-        class="small target"
+        class="target"
         onmousedown={handleMouseDown}
         role="button"
         tabindex="0"
@@ -112,7 +101,6 @@
     style={`
       --path: path("${path}");
       --hover-path: path("${pathHover}");
-      --hover-path-disabled: path("${pathDisabled}");
     `}
   >
     <path vector-effect="non-scaling-stroke"></path>
@@ -128,28 +116,22 @@
   }
 
   .target {
+    width: 30px;
+    height: 30px;
     position: absolute;
     border-radius: 50%;
     top: 50%;
     transform: translateY(-50%) translateX(-50%);
-    /* background: red; */
-    /* opacity: 0.1; */
   }
 
-  .small.target {
-    width: 30px;
-    height: 30px;
+  .possible-socket .target {
+    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.5);
+    background-color: rgba(255, 255, 255, 0.2);
+    z-index: -10;
   }
 
-  .large.target {
-    width: 60px;
-    height: 60px;
-    cursor: unset;
-    pointer-events: none;
-  }
-
-  :global(.hovering-sockets) .large.target {
-    pointer-events: all;
+  .target:hover ~ svg path{
+    d: var(--hover-path);
   }
 
   .content {
@@ -179,19 +161,16 @@
     stroke: var(--stroke);
     stroke-width: var(--stroke-width);
     d: var(--path);
-  }
 
-  :global {
-    .hovering-sockets .large:hover ~ svg path {
-      d: var(--hover-path);
-    }
+    stroke-linejoin: round;
+    shape-rendering: geometricPrecision;
   }
 
   .content.disabled {
     opacity: 0.2;
   }
 
-  .disabled svg path {
-    d: var(--hover-path-disabled) !important;
+  .possible-socket svg path {
+     d: var(--hover-path);
   }
 </style>

app/src/lib/graph-interface/test-utils.ts

@@ -0,0 +1,86 @@
+import type { NodeDefinition, NodeId, NodeRegistry } from '@nodarium/types';
+
+export function createMockNodeRegistry(nodes: NodeDefinition[]): NodeRegistry {
+  const nodesMap = new Map(nodes.map(n => [n.id, n]));
+  return {
+    status: 'ready' as const,
+    load: async (nodeIds: NodeId[]) => {
+      const loaded: NodeDefinition[] = [];
+      for (const id of nodeIds) {
+        if (nodesMap.has(id)) {
+          loaded.push(nodesMap.get(id)!);
+        }
+      }
+      return loaded;
+    },
+    getNode: (id: string) => nodesMap.get(id as NodeId),
+    getAllNodes: () => Array.from(nodesMap.values()),
+    register: async () => {
+      throw new Error('Not implemented in mock');
+    }
+  };
+}
+
+export const mockFloatOutputNode: NodeDefinition = {
+  id: 'test/node/output',
+  inputs: {},
+  outputs: ['float'],
+  meta: { title: 'Float Output' },
+  execute: () => new Int32Array()
+};
+
+export const mockFloatInputNode: NodeDefinition = {
+  id: 'test/node/input',
+  inputs: { value: { type: 'float' } },
+  outputs: [],
+  meta: { title: 'Float Input' },
+  execute: () => new Int32Array()
+};
+
+export const mockGeometryOutputNode: NodeDefinition = {
+  id: 'test/node/geometry',
+  inputs: {},
+  outputs: ['geometry'],
+  meta: { title: 'Geometry Output' },
+  execute: () => new Int32Array()
+};
+
+export const mockPathInputNode: NodeDefinition = {
+  id: 'test/node/path',
+  inputs: { input: { type: 'path', accepts: ['geometry'] } },
+  outputs: [],
+  meta: { title: 'Path Input' },
+  execute: () => new Int32Array()
+};
+
+export const mockVec3OutputNode: NodeDefinition = {
+  id: 'test/node/vec3',
+  inputs: {},
+  outputs: ['vec3'],
+  meta: { title: 'Vec3 Output' },
+  execute: () => new Int32Array()
+};
+
+export const mockIntegerInputNode: NodeDefinition = {
+  id: 'test/node/integer',
+  inputs: { value: { type: 'integer' } },
+  outputs: [],
+  meta: { title: 'Integer Input' },
+  execute: () => new Int32Array()
+};
+
+export const mockBooleanOutputNode: NodeDefinition = {
+  id: 'test/node/boolean',
+  inputs: {},
+  outputs: ['boolean'],
+  meta: { title: 'Boolean Output' },
+  execute: () => new Int32Array()
+};
+
+export const mockBooleanInputNode: NodeDefinition = {
+  id: 'test/node/boolean-input',
+  inputs: { value: { type: 'boolean' } },
+  outputs: [],
+  meta: { title: 'Boolean Input' },
+  execute: () => new Int32Array()
+};

app/src/lib/graph-templates.test.ts

@@ -0,0 +1,110 @@
+import { grid } from '$lib/graph-templates/grid';
+import { tree } from '$lib/graph-templates/tree';
+import { describe, expect, it } from 'vitest';
+
+describe('graph-templates', () => {
+  describe('grid', () => {
+    it('should create a grid graph with nodes and edges', () => {
+      const result = grid(2, 3);
+      expect(result.nodes.length).toBeGreaterThan(0);
+      expect(result.edges.length).toBeGreaterThan(0);
+    });
+
+    it('should have output node at the end', () => {
+      const result = grid(1, 1);
+      const outputNode = result.nodes.find(n => n.type === 'max/plantarium/output');
+      expect(outputNode).toBeDefined();
+    });
+
+    it('should create nodes based on grid dimensions', () => {
+      const result = grid(2, 2);
+      const mathNodes = result.nodes.filter(n => n.type === 'max/plantarium/math');
+      expect(mathNodes.length).toBeGreaterThan(0);
+      const outputNode = result.nodes.find(n => n.type === 'max/plantarium/output');
+      expect(outputNode).toBeDefined();
+    });
+
+    it('should have output node at the end', () => {
+      const result = grid(1, 1);
+      const outputNode = result.nodes.find(n => n.type === 'max/plantarium/output');
+      expect(outputNode).toBeDefined();
+    });
+
+    it('should create nodes based on grid dimensions', () => {
+      const result = grid(2, 2);
+      const mathNodes = result.nodes.filter(n => n.type === 'max/plantarium/math');
+      expect(mathNodes.length).toBeGreaterThan(0);
+      const outputNode = result.nodes.find(n => n.type === 'max/plantarium/output');
+      expect(outputNode).toBeDefined();
+    });
+
+    it('should have valid node positions', () => {
+      const result = grid(3, 2);
+
+      result.nodes.forEach(node => {
+        expect(node.position).toHaveLength(2);
+        expect(typeof node.position[0]).toBe('number');
+        expect(typeof node.position[1]).toBe('number');
+      });
+    });
+
+    it('should generate valid graph structure', () => {
+      const result = grid(2, 2);
+
+      result.nodes.forEach(node => {
+        expect(typeof node.id).toBe('number');
+        expect(node.type).toBeTruthy();
+      });
+
+      result.edges.forEach(edge => {
+        expect(edge).toHaveLength(4);
+      });
+    });
+  });
+
+  describe('tree', () => {
+    it('should create a tree graph with specified depth', () => {
+      const result = tree(0);
+
+      expect(result.nodes.length).toBeGreaterThan(0);
+      expect(result.edges.length).toBeGreaterThan(0);
+    });
+
+    it('should have root output node', () => {
+      const result = tree(2);
+
+      const outputNode = result.nodes.find(n => n.type === 'max/plantarium/output');
+      expect(outputNode).toBeDefined();
+      expect(outputNode?.id).toBe(0);
+    });
+
+    it('should increase node count with depth', () => {
+      const tree0 = tree(0);
+      const tree1 = tree(1);
+      const tree2 = tree(2);
+
+      expect(tree0.nodes.length).toBeLessThan(tree1.nodes.length);
+      expect(tree1.nodes.length).toBeLessThan(tree2.nodes.length);
+    });
+
+    it('should create binary tree structure', () => {
+      const result = tree(2);
+
+      const mathNodes = result.nodes.filter(n => n.type === 'max/plantarium/math');
+      expect(mathNodes.length).toBeGreaterThan(0);
+
+      const edgeCount = result.edges.length;
+      expect(edgeCount).toBe(result.nodes.length - 1);
+    });
+
+    it('should have valid node positions', () => {
+      const result = tree(3);
+
+      result.nodes.forEach(node => {
+        expect(node.position).toHaveLength(2);
+        expect(typeof node.position[0]).toBe('number');
+        expect(typeof node.position[1]).toBe('number');
+      });
+    });
+  });
+});

app/src/lib/graph-templates/index.ts

@@ -4,4 +4,5 @@ export { default as lottaFaces } from './lotta-faces.json';
 export { default as lottaNodesAndFaces } from './lotta-nodes-and-faces.json';
 export { default as lottaNodes } from './lotta-nodes.json';
 export { plant } from './plant';
+export { default as simple } from './simple.json';
 export { tree } from './tree';

app/src/lib/graph-templates/simple.json

@@ -0,0 +1,63 @@
+{
+  "id": 0,
+  "settings": {
+    "resolution.circle": 54,
+    "resolution.curve": 20,
+    "randomSeed": true
+  },
+  "meta": {
+    "title": "New Project",
+    "lastModified": "2026-02-03T16:56:40.375Z"
+  },
+  "nodes": [
+    {
+      "id": 9,
+      "position": [
+        215,
+        85
+      ],
+      "type": "max/plantarium/output",
+      "props": {}
+    },
+    {
+      "id": 10,
+      "position": [
+        165,
+        72.5
+      ],
+      "type": "max/plantarium/stem",
+      "props": {
+        "amount": 50,
+        "length": 4,
+        "thickness": 1
+      }
+    },
+    {
+      "id": 11,
+      "position": [
+        190,
+        77.5
+      ],
+      "type": "max/plantarium/noise",
+      "props": {
+        "plant": 0,
+        "scale": 0.5,
+        "strength": 5
+      }
+    }
+  ],
+  "edges": [
+    [
+      10,
+      0,
+      11,
+      "plant"
+    ],
+    [
+      11,
+      0,
+      9,
+      "input"
+    ]
+  ]
+}

app/src/lib/helpers.test.ts

@@ -0,0 +1,145 @@
+import { clone, debounce, humanizeDuration, humanizeNumber, lerp, snapToGrid } from '$lib/helpers';
+import { describe, expect, it } from 'vitest';
+
+describe('helpers', () => {
+  describe('snapToGrid', () => {
+    it('should snap to nearest grid point', () => {
+      expect(snapToGrid(5, 10)).toBe(10);
+      expect(snapToGrid(15, 10)).toBe(20);
+      expect(snapToGrid(0, 10)).toBe(0);
+      expect(snapToGrid(-10, 10)).toBe(-10);
+    });
+
+    it('should snap exact midpoint values', () => {
+      expect(snapToGrid(5, 10)).toBe(10);
+    });
+
+    it('should use default grid size of 10', () => {
+      expect(snapToGrid(5)).toBe(10);
+      expect(snapToGrid(15)).toBe(20);
+    });
+
+    it('should handle values exactly on grid', () => {
+      expect(snapToGrid(10, 10)).toBe(10);
+      expect(snapToGrid(20, 10)).toBe(20);
+    });
+  });
+
+  describe('lerp', () => {
+    it('should linearly interpolate between two values', () => {
+      expect(lerp(0, 100, 0)).toBe(0);
+      expect(lerp(0, 100, 0.5)).toBe(50);
+      expect(lerp(0, 100, 1)).toBe(100);
+    });
+
+    it('should handle negative values', () => {
+      expect(lerp(-50, 50, 0.5)).toBe(0);
+      expect(lerp(-100, 0, 0.5)).toBe(-50);
+    });
+
+    it('should handle t values outside 0-1 range', () => {
+      expect(lerp(0, 100, -0.5)).toBe(-50);
+      expect(lerp(0, 100, 1.5)).toBe(150);
+    });
+  });
+
+  describe('humanizeNumber', () => {
+    it('should return unchanged numbers below 1000', () => {
+      expect(humanizeNumber(0)).toBe('0');
+      expect(humanizeNumber(999)).toBe('999');
+    });
+
+    it('should add K suffix for thousands', () => {
+      expect(humanizeNumber(1000)).toBe('1K');
+      expect(humanizeNumber(1500)).toBe('1.5K');
+      expect(humanizeNumber(999999)).toBe('1000K');
+    });
+
+    it('should add M suffix for millions', () => {
+      expect(humanizeNumber(1000000)).toBe('1M');
+      expect(humanizeNumber(2500000)).toBe('2.5M');
+    });
+
+    it('should add B suffix for billions', () => {
+      expect(humanizeNumber(1000000000)).toBe('1B');
+    });
+  });
+
+  describe('humanizeDuration', () => {
+    it('should return ms for very short durations', () => {
+      expect(humanizeDuration(100)).toBe('100ms');
+      expect(humanizeDuration(999)).toBe('999ms');
+    });
+
+    it('should format seconds', () => {
+      expect(humanizeDuration(1000)).toBe('1s');
+      expect(humanizeDuration(1500)).toBe('1s500ms');
+      expect(humanizeDuration(59000)).toBe('59s');
+    });
+
+    it('should format minutes', () => {
+      expect(humanizeDuration(60000)).toBe('1m');
+      expect(humanizeDuration(90000)).toBe('1m 30s');
+    });
+
+    it('should format hours', () => {
+      expect(humanizeDuration(3600000)).toBe('1h');
+      expect(humanizeDuration(3661000)).toBe('1h 1m 1s');
+    });
+
+    it('should format days', () => {
+      expect(humanizeDuration(86400000)).toBe('1d');
+      expect(humanizeDuration(90061000)).toBe('1d 1h 1m 1s');
+    });
+
+    it('should handle zero', () => {
+      expect(humanizeDuration(0)).toBe('0ms');
+    });
+  });
+
+  describe('debounce', () => {
+    it('should return a function', () => {
+      const fn = debounce(() => {}, 100);
+      expect(typeof fn).toBe('function');
+    });
+
+    it('should only call once when invoked multiple times within delay', () => {
+      let callCount = 0;
+      const fn = debounce(() => {
+        callCount++;
+      }, 100);
+      fn();
+      const firstCall = callCount;
+      fn();
+      fn();
+      expect(callCount).toBe(firstCall);
+    });
+  });
+
+  describe('clone', () => {
+    it('should deep clone objects', () => {
+      const original = { a: 1, b: { c: 2 } };
+      const cloned = clone(original);
+
+      expect(cloned).toEqual(original);
+      expect(cloned).not.toBe(original);
+      expect(cloned.b).not.toBe(original.b);
+    });
+
+    it('should handle arrays', () => {
+      const original = [1, 2, [3, 4]];
+      const cloned = clone(original);
+
+      expect(cloned).toEqual(original);
+      expect(cloned).not.toBe(original);
+      expect(cloned[2]).not.toBe(original[2]);
+    });
+
+    it('should handle primitives', () => {
+      expect(clone(42)).toBe(42);
+      expect(clone('hello')).toBe('hello');
+      expect(clone(true)).toBe(true);
+      expect(clone(null)).toBe(null);
+    });
+  });
+});

app/src/lib/helpers/deepMerge.test.ts

@@ -0,0 +1,72 @@
+import { isObject, mergeDeep } from '$lib/helpers/deepMerge';
+import { describe, expect, it } from 'vitest';
+
+describe('deepMerge', () => {
+  describe('isObject', () => {
+    it('should return true for plain objects', () => {
+      expect(isObject({})).toBe(true);
+      expect(isObject({ a: 1 })).toBe(true);
+    });
+
+    it('should return false for non-objects', () => {
+      expect(isObject([])).toBe(false);
+      expect(isObject('string')).toBe(false);
+      expect(isObject(42)).toBe(false);
+      expect(isObject(undefined)).toBe(false);
+    });
+  });
+
+  describe('mergeDeep', () => {
+    it('should merge two flat objects', () => {
+      const target = { a: 1, b: 2 };
+      const source = { b: 3, c: 4 };
+      const result = mergeDeep(target, source);
+
+      expect(result).toEqual({ a: 1, b: 3, c: 4 });
+    });
+
+    it('should deeply merge nested objects', () => {
+      const target = { a: { x: 1 }, b: { y: 2 } };
+      const source = { a: { y: 2 }, c: { z: 3 } };
+      const result = mergeDeep(target, source);
+
+      expect(result).toEqual({
+        a: { x: 1, y: 2 },
+        b: { y: 2 },
+        c: { z: 3 }
+      });
+    });
+
+    it('should handle multiple sources', () => {
+      const target = { a: 1 };
+      const source1 = { b: 2 };
+      const source2 = { c: 3 };
+      const result = mergeDeep(target, source1, source2);
+
+      expect(result).toEqual({ a: 1, b: 2, c: 3 });
+    });
+
+    it('should return target if no sources provided', () => {
+      const target = { a: 1 };
+      const result = mergeDeep(target);
+
+      expect(result).toBe(target);
+    });
+
+    it('should overwrite non-object values', () => {
+      const target = { a: { b: 1 } };
+      const source = { a: 'string' };
+      const result = mergeDeep(target, source);
+
+      expect(result.a).toBe('string');
+    });
+
+    it('should handle arrays by replacing', () => {
+      const target = { a: [1, 2] };
+      const source = { a: [3, 4] };
+      const result = mergeDeep(target, source);
+
+      expect(result.a).toEqual([3, 4]);
+    });
+  });
+});

app/src/lib/project-manager/ProjectManager.svelte

@@ -1,13 +1,13 @@
 <script lang="ts">
-  import { defaultPlant, lottaFaces, plant } from '$lib/graph-templates';
+  import { defaultPlant, lottaFaces, plant, simple } from '$lib/graph-templates';
   import type { Graph } from '$lib/types';
+  import { InputSelect } from '@nodarium/ui';
   import type { ProjectManager } from './project-manager.svelte';
 
   const { projectManager } = $props<{ projectManager: ProjectManager }>();
 
   let showNewProject = $state(false);
   let newProjectName = $state('');
-  let selectedTemplate = $state('defaultPlant');
 
   const templates = [
     {
@@ -16,25 +16,27 @@
       graph: defaultPlant as unknown as Graph
     },
     { name: 'Plant', value: 'plant', graph: plant as unknown as Graph },
+    { name: 'Simple', value: 'simple', graph: simple as unknown as Graph },
     {
       name: 'Lotta Faces',
       value: 'lottaFaces',
       graph: lottaFaces as unknown as Graph
     }
   ];
+  let selectedTemplateIndex = $state(0);
 
   function handleCreate() {
-    const template = templates.find((t) => t.value === selectedTemplate) || templates[0];
+    const template = templates[selectedTemplateIndex] || templates[0];
     projectManager.handleCreateProject(template.graph, newProjectName);
     newProjectName = '';
     showNewProject = false;
   }
 </script>
 
-<header class="flex justify-between px-4 h-[70px] border-b-1 border-outline items-center">
+<header class="flex justify-between px-4 h-[70px] border-b-1 border-outline items-center bg-layer-2">
   <h3>Project</h3>
   <button
-    class="px-3 py-1 bg-layer-0 rounded"
+    class="px-3 py-1 bg-layer-1 rounded"
     onclick={() => (showNewProject = !showNewProject)}
   >
     New
@@ -42,24 +44,17 @@
 </header>
 
 {#if showNewProject}
-  <div class="flex flex-col px-4 py-3 border-b-1 border-outline gap-2">
+  <div class="flex flex-col px-4 py-3.5 mt-[1px] border-b-1 border-outline gap-3">
     <input
       type="text"
       bind:value={newProjectName}
       placeholder="Project name"
-      class="w-full px-2 py-2 bg-gray-800 border border-gray-700 rounded"
+      class="w-full px-2 py-2 bg-layer-2 rounded"
       onkeydown={(e) => e.key === 'Enter' && handleCreate()}
     />
-    <select
-      bind:value={selectedTemplate}
-      class="w-full px-2 py-2 bg-gray-800 border border-gray-700 rounded"
-    >
-      {#each templates as template (template.name)}
-        <option value={template.value}>{template.name}</option>
-      {/each}
-    </select>
+    <InputSelect options={templates.map(t => t.name)} bind:value={selectedTemplateIndex} />
     <button
-      class="cursor-pointer self-end px-3 py-1 bg-blue-600 rounded"
+      class="cursor-pointer self-end px-3 py-1 bg-selected rounded"
       onclick={() => handleCreate()}
     >
       Create
@@ -67,20 +62,22 @@
   </div>
 {/if}
 
-<div class="p-4 text-white min-h-screen">
+<div class="text-white min-h-screen">
   {#if projectManager.loading}
     <p>Loading...</p>
   {/if}
 
-  <ul class="space-y-2">
+  <ul>
     {#each projectManager.projects as project (project.id)}
       <li>
         <div
           class="
-            w-full text-left px-3 py-2 rounded cursor-pointer {projectManager
+            h-[70px] border-b-1 border-b-outline
+            flex
+            w-full text-left px-3 py-2 cursor-pointer {projectManager
             .activeProjectId.value === project.id
-            ? 'bg-blue-600'
-            : 'bg-gray-800 hover:bg-gray-700'}
+            ? 'border-l-2 border-l-selected pl-2.5!'
+            : ''}
           "
           onclick={() => projectManager.handleSelectProject(project.id!)}
           role="button"
@@ -89,10 +86,10 @@
           e.key === 'Enter'
           && projectManager.handleSelectProject(project.id!)}
         >
-          <div class="flex justify-between items-center">
+          <div class="flex justify-between items-center grow">
             <span>{project.meta?.title || 'Untitled'}</span>
             <button
-              class="text-red-400 hover:text-red-300"
+              class="text-layer-1! bg-red-500 w-7 text-xl rounded-sm cursor-pointer opacity-20 hover:opacity-80"
               onclick={() => {
                 projectManager.handleDeleteProject(project.id!);
               }}

app/src/lib/project-manager/project-manager.svelte.ts

@@ -54,7 +54,7 @@ export class ProjectManager {
 
     g.id = id;
     if (!g.meta) g.meta = {};
-    if (!g.meta.title) g.meta.title = title;
+    g.meta.title = title;
 
     db.saveGraph(g);
     this.projects = [...this.projects, g];

app/src/lib/settings/NestedSettings.svelte

@@ -56,6 +56,10 @@
       return 0;
     }
 
+    if (Array.isArray(inputValue) && node.type === 'vec3') {
+      return inputValue;
+    }
+
     // If the component is supplied with a default value use that
     if (inputValue !== undefined && typeof inputValue !== 'object') {
       return inputValue;
@@ -98,7 +102,7 @@
       && typeof internalValue === 'number'
     ) {
       value[key] = node?.options?.[internalValue];
-    } else if (internalValue) {
+    } else if (internalValue !== undefined) {
       value[key] = internalValue;
     }
   });
@@ -124,7 +128,6 @@
 
 {#if key && isNodeInput(type?.[key])}
   {@const inputType = type[key]}
-  <!-- Leaf input -->
   <div class="input input-{inputType.type}" class:first-level={depth === 1}>
     {#if inputType.type === 'button'}
       <button onclick={handleClick}>
@@ -138,7 +141,6 @@
     {/if}
   </div>
 {:else if depth === 0}
-  <!-- Root: iterate over top-level keys -->
   {#each Object.keys(type ?? {}).filter((k) => k !== 'title') as childKey (childKey)}
     <NestedSettings
       id={`${id}.${childKey}`}
@@ -150,7 +152,6 @@
   {/each}
   <hr />
 {:else if key && type?.[key]}
-  <!-- Group -->
   {#if depth > 0}
     <hr />
   {/if}

app/src/lib/sidebar/Panel.svelte

@@ -34,7 +34,7 @@
   <div class="wrapper" class:hidden>
     {#if title}
       <header class="bg-layer-2">
-        <h3 class="font-bold">{title}</h3>
+        <h3>{title}</h3>
       </header>
     {/if}
     {@render children?.()}

app/src/lib/sidebar/panels/ActiveNodeSettings.svelte

@@ -12,7 +12,7 @@
 </script>
 
 <div class='{node?"border-l-2 pl-3.5!":""} bg-layer-2 flex items-center h-[70px] border-b-1 border-l-selected border-b-outline pl-4'>
-  <h3 class="font-bold">Node Settings</h3>
+  <h3>Node Settings</h3>
 </div>
 
 {#if node}

app/src/lib/sidebar/panels/Changelog.svelte

@@ -0,0 +1,110 @@
+<script lang="ts">
+  type Change = { type: string; content: string };
+
+  const typeMap: Record<string, string> = {
+    fix: 'bg-layer-2 bg-red-800',
+    feat: 'bg-layer-2 bg-green-800',
+    chore: 'bg-layer-2 bg-gray-800',
+    docs: 'bg-layer-2 bg-blue-800',
+    refactor: 'bg-layer-2 bg-purple-800',
+    default: 'bg-layer-2 text-text'
+  };
+
+  async function fetchChangelog() {
+    const res = await fetch('/CHANGELOG.md');
+    return await res.text();
+  }
+
+  async function fetchGitInfo() {
+    const res = await fetch('/git.json');
+    return await res.json();
+  }
+
+  function parseChangelog(md: string) {
+    const lines = md.split('\n');
+    const parsed: (string | Change)[] = [];
+
+    for (let line of lines) {
+      line = line.trim();
+      if (!line) continue;
+
+      if (line === '---') {
+        parsed.push({ type: 'hr', content: '' });
+        continue;
+      }
+
+      // Headers
+      if (line.startsWith('## ')) {
+        parsed.push(line.replace('## ', ''));
+        continue;
+      }
+
+      // Commit type
+      const match = line.match(/^(fix|feat|chore|docs|refactor)(\(|:)/i);
+      if (match) {
+        parsed.push({ type: match[1].toLowerCase(), content: line });
+        continue;
+      }
+
+      // Other lines
+      parsed.push({ type: 'default', content: line });
+    }
+
+    // Remove trailing horizontal rule
+    let lastLine = parsed.at(-1);
+    if (
+      lastLine !== undefined
+      && typeof lastLine !== 'string'
+      && lastLine.type === 'hr'
+    ) {
+      parsed.pop();
+    }
+
+    return parsed;
+  }
+</script>
+
+<div class="p-4 font-mono text-text">
+  {#await Promise.all([fetchChangelog(), fetchGitInfo()])}
+    <p>Loading...</p>
+  {:then [md, git]}
+    <div class="mb-4 p-3 bg-layer-2 text-xs">
+      <p><strong>Branch:</strong> {git.branch}</p>
+      <p>
+        <strong>Commit:</strong>
+        {git.sha.slice(0, 7)} – {git.commit_message}
+      </p>
+      <p>
+        <strong>Commits since last release:</strong>
+        {git.commits_since_last_release}
+      </p>
+      <p>
+        <strong>Timestamp:</strong>
+        {new Date(git.commit_timestamp).toLocaleString()}
+      </p>
+    </div>
+
+    {#each parseChangelog(md) as item (item)}
+      {#if typeof item === 'string'}
+        <h2 class="text-xl font-semibold mt-4 mb-4 text-layer-1">{item}</h2>
+      {:else if item.type === 'hr'}{:else}
+        <p class="py-1 mb-1 leading-8 border-b border-b-outline last:border-b-0">
+          {#if item.type !== 'default'}
+            <span
+              class="
+                p-1 rounded-sm opacity-80 font-semibold {typeMap[
+                item.type
+                ]}
+              "
+            >
+              {item.content.split(':')[0]}
+            </span>
+            {item.content.split(':').slice(1).join(':').trim()}
+          {:else}
+            {item.content}
+          {/if}
+        </p>
+      {/if}
+    {/each}
+  {/await}
+</div>

app/src/lib/sidebar/panels/GraphSource.svelte

@@ -7,7 +7,7 @@
     return JSON.stringify(
       {
         ...g,
-        nodes: g.nodes.map((n: object) => ({ ...n, tmp: undefined }))
+        nodes: g.nodes.map((n: object) => ({ ...n, tmp: undefined, state: undefined }))
       },
       null,
       2

app/src/routes/+page.svelte

@@ -17,6 +17,7 @@
   import Panel from '$lib/sidebar/Panel.svelte';
   import ActiveNodeSettings from '$lib/sidebar/panels/ActiveNodeSettings.svelte';
   import BenchmarkPanel from '$lib/sidebar/panels/BenchmarkPanel.svelte';
+  import Changelog from '$lib/sidebar/panels/Changelog.svelte';
   import ExportSettings from '$lib/sidebar/panels/ExportSettings.svelte';
   import GraphSource from '$lib/sidebar/panels/GraphSource.svelte';
   import Keymap from '$lib/sidebar/panels/Keymap.svelte';
@@ -249,6 +250,13 @@
           />
           <ActiveNodeSettings {manager} bind:node={activeNode} />
         </Panel>
+        <Panel
+          id="changelog"
+          title="Changelog"
+          icon="i-[tabler--file-text-spark] bg-green-400"
+        >
+          <Changelog />
+        </Panel>
       </Sidebar>
     </Grid.Cell>
   </Grid.Row>

app/src/routes/dev/+page.svelte

@@ -7,7 +7,6 @@
   import Sidebar from '$lib/sidebar/Sidebar.svelte';
   import { type NodeId, type NodeInstance } from '@nodarium/types';
   import { concatEncodedArrays, createWasmWrapper, encodeNestedArray } from '@nodarium/utils';
-  import Code from './Code.svelte';
 
   const registryCache = new IndexDBCache('node-registry');
   const nodeRegistry = new RemoteNodeRegistry('', registryCache);
@@ -78,11 +77,7 @@
   </Grid.Cell>
 
   <Grid.Cell>
-    <div class="h-screen w-[80vw] overflow-y-auto">
-      {#if nodeWasm}
-        <Code wasm={nodeWasm} />
-      {/if}
-    </div>
+    <div class="h-screen w-[80vw] overflow-y-auto"></div>
   </Grid.Cell>
 </Grid.Row>
 

app/src/routes/dev/Code.svelte

@@ -1,26 +0,0 @@
-<script lang="ts">
-  import wabtInit from 'wabt';
-
-  const { wasm } = $props<{ wasm: ArrayBuffer }>();
-
-  async function toWat(arrayBuffer: ArrayBuffer) {
-    const wabt = await wabtInit();
-
-    const module = wabt.readWasm(new Uint8Array(arrayBuffer), {
-      readDebugNames: true
-    });
-
-    module.generateNames();
-    module.applyNames();
-
-    return module.toText({ foldExprs: false, inlineExport: false });
-  }
-</script>
-
-{#await toWat(wasm)}
-  <p>Converting to WAT</p>
-{:then c}
-  <pre>
-    <code class="text-gray-50">{c}</code>
-  </pre>
-{/await}

app/static/.gitignore

@@ -1 +1,2 @@
 nodes/
+CHANGELOG.md

app/vite.config.ts

@@ -1,9 +1,10 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import tailwindcss from '@tailwindcss/vite';
-import { defineConfig } from 'vite';
+import { playwright } from '@vitest/browser-playwright';
 import comlink from 'vite-plugin-comlink';
 import glsl from 'vite-plugin-glsl';
 import wasm from 'vite-plugin-wasm';
+import { defineConfig } from 'vitest/config';
 
 export default defineConfig({
   plugins: [
@@ -20,5 +21,36 @@ export default defineConfig({
   },
   ssr: {
     noExternal: ['three']
+  },
+  build: {
+    chunkSizeWarningLimit: 2000
+  },
+  test: {
+    expect: { requireAssertions: true },
+    projects: [
+      {
+        extends: './vite.config.ts',
+        test: {
+          name: 'client',
+          browser: {
+            enabled: true,
+            provider: playwright(),
+            instances: [{ browser: 'firefox', headless: true }]
+          },
+          include: ['src/**/*.svelte.{test,spec}.{js,ts}'],
+          exclude: ['src/lib/server/**']
+        }
+      },
+
+      {
+        extends: './vite.config.ts',
+        test: {
+          name: 'server',
+          environment: 'node',
+          include: ['src/**/*.{test,spec}.{js,ts}'],
+          exclude: ['src/**/*.svelte.{test,spec}.{js,ts}']
+        }
+      }
+    ]
   }
 });

package.json

@@ -1,15 +1,15 @@
 {
+  "version": "0.0.3",
   "scripts": {
     "postinstall": "pnpm run -r --filter 'ui' build",
-    "build": "pnpm build:nodes && pnpm build:app",
     "lint": "pnpm run -r --parallel lint",
     "format": "pnpm dprint fmt",
     "format:check": "pnpm dprint check",
+    "test": "pnpm run -r test",
     "check": "pnpm run -r check",
-    "build:story": "pnpm -r --filter 'ui' story:build",
+    "build": "pnpm build:nodes && pnpm build:app",
     "build:app": "BASE_PATH=/ui pnpm -r --filter 'ui' build && pnpm -r --filter 'app' build",
     "build:nodes": "cargo build --workspace --target wasm32-unknown-unknown --release && rm -rf ./app/static/nodes/max/plantarium/ && mkdir -p ./app/static/nodes/max/plantarium/ && cp -R ./target/wasm32-unknown-unknown/release/*.wasm ./app/static/nodes/max/plantarium/",
-    "build:deploy": "pnpm build && cp -R packages/ui/build app/build/ui",
     "dev:nodes": "chokidar './nodes/**' --initial -i '/pkg/' -c 'pnpm build:nodes'",
     "dev:app_ui": "pnpm -r --parallel --filter 'app' --filter './packages/ui' dev",
     "dev_ui": "pnpm -r --filter 'ui' dev:ui",

packages/types/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nodarium/types",
-  "version": "0.0.0",
+  "version": "0.0.3",
   "description": "",
   "main": "src/index.ts",
   "scripts": {
@@ -17,7 +17,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "zod": "^4.3.5"
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "dprint": "^0.51.1"

packages/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nodarium/ui",
-  "version": "0.0.1",
+  "version": "0.0.3",
   "scripts": {
     "dev": "vite",
     "build": "vite build && npm run package",
@@ -33,28 +33,32 @@
     "@eslint/compat": "^2.0.2",
     "@eslint/eslintrc": "^3.3.3",
     "@eslint/js": "^9.39.2",
-    "@nodarium/types": "workspace:",
+    "@nodarium/types": "workspace:^",
+    "@playwright/test": "^1.58.1",
     "@sveltejs/adapter-static": "^3.0.10",
-    "@sveltejs/kit": "^2.50.0",
+    "@sveltejs/kit": "^2.50.2",
     "@sveltejs/package": "^2.5.7",
     "@sveltejs/vite-plugin-svelte": "^6.2.4",
+    "@testing-library/svelte": "^5.3.1",
     "@types/eslint": "^9.6.1",
     "@types/three": "^0.182.0",
-    "@typescript-eslint/eslint-plugin": "^8.53.0",
-    "@typescript-eslint/parser": "^8.53.0",
+    "@typescript-eslint/eslint-plugin": "^8.54.0",
+    "@typescript-eslint/parser": "^8.54.0",
+    "@vitest/browser-playwright": "^4.0.18",
     "dprint": "^0.51.1",
     "eslint": "^9.39.2",
     "eslint-plugin-svelte": "^3.14.0",
     "globals": "^17.3.0",
-    "publint": "^0.3.16",
-    "svelte": "^5.46.4",
-    "svelte-check": "^4.3.5",
+    "publint": "^0.3.17",
+    "svelte": "^5.49.2",
+    "svelte-check": "^4.3.6",
     "svelte-eslint-parser": "^1.4.1",
     "tslib": "^2.8.1",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.54.0",
     "vite": "^7.3.1",
-    "vitest": "^4.0.17"
+    "vitest": "^4.0.18",
+    "vitest-browser-svelte": "^2.0.2"
   },
   "svelte": "./dist/index.js",
   "types": "./dist/index.d.ts",

packages/ui/src/lib/Details.svelte.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import Details from './Details.svelte';
+
+describe('Details', () => {
+  it('should render summary element', async () => {
+    render(Details, { title: 'Click me' });
+
+    const summary = page.getByText('Click me');
+    await expect.element(summary).toBeInTheDocument();
+  });
+});

packages/ui/src/lib/ShortCut.svelte.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import ShortCut from './ShortCut.svelte';
+
+describe('ShortCut', () => {
+  it('should render with key label', async () => {
+    render(ShortCut, { key: 'S' });
+
+    const shortcut = page.getByText('S');
+    await expect.element(shortcut).toBeInTheDocument();
+  });
+
+  it('should render ctrl modifier', async () => {
+    render(ShortCut, { ctrl: true, key: 'S' });
+
+    const shortcut = page.getByText(/Ctrl/);
+    await expect.element(shortcut).toBeInTheDocument();
+  });
+
+  it('should render alt modifier', async () => {
+    render(ShortCut, { alt: true, key: 'F4' });
+
+    const shortcut = page.getByText(/Alt/);
+    await expect.element(shortcut).toBeInTheDocument();
+  });
+
+  it('should render multiple modifiers', async () => {
+    render(ShortCut, { ctrl: true, alt: true, key: 'Delete' });
+
+    const shortcut = page.getByText(/Ctrl/);
+    await expect.element(shortcut).toBeInTheDocument();
+  });
+});

packages/ui/src/lib/helpers/getBoundingValue.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from 'vitest';
+import { getBoundingValue } from './getBoundingValue';
+
+describe('getBoundingValue', () => {
+  it('should return 1 for values between 0 and 1', () => {
+    expect(getBoundingValue(0)).toBe(1);
+    expect(getBoundingValue(0.5)).toBe(1);
+    expect(getBoundingValue(1)).toBe(1);
+  });
+
+  it('should return 2 for values between 1 and 2', () => {
+    expect(getBoundingValue(1.1)).toBe(2);
+    expect(getBoundingValue(1.5)).toBe(2);
+    expect(getBoundingValue(2)).toBe(2);
+  });
+
+  it('should return 4 for values between 2 and 4', () => {
+    expect(getBoundingValue(2.1)).toBe(4);
+    expect(getBoundingValue(3)).toBe(4);
+    expect(getBoundingValue(4)).toBe(4);
+  });
+
+  it('should return positive level for positive input', () => {
+    expect(getBoundingValue(5)).toBe(10);
+    expect(getBoundingValue(15)).toBe(20);
+    expect(getBoundingValue(50)).toBe(50);
+    expect(getBoundingValue(150)).toBe(200);
+  });
+
+  it('should return negative level for negative input', () => {
+    expect(getBoundingValue(-5)).toBe(-10);
+    expect(getBoundingValue(-15)).toBe(-20);
+    expect(getBoundingValue(-50)).toBe(-50);
+    expect(getBoundingValue(-150)).toBe(-200);
+  });
+
+  it('should return correct level for boundary values', () => {
+    expect(getBoundingValue(10)).toBe(10);
+    expect(getBoundingValue(20)).toBe(20);
+    expect(getBoundingValue(50)).toBe(50);
+    expect(getBoundingValue(100)).toBe(100);
+    expect(getBoundingValue(200)).toBe(200);
+  });
+
+  it('should handle large values', () => {
+    expect(getBoundingValue(1000)).toBe(1000);
+    expect(getBoundingValue(1500)).toBe(1000);
+    expect(getBoundingValue(-1000)).toBe(-1000);
+  });
+
+  it('should handle very small values', () => {
+    expect(getBoundingValue(0.001)).toBe(1);
+    expect(getBoundingValue(-0.001)).toBe(-1);
+  });
+});

packages/ui/src/lib/inputs/InputCheckbox.svelte.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import InputCheckbox from './InputCheckbox.svelte';
+
+describe('InputCheckbox', () => {
+  it('should render checkbox label', async () => {
+    render(InputCheckbox, { value: false });
+
+    const checkbox = page.getByRole('checkbox');
+    await expect.element(checkbox).toBeInTheDocument();
+  });
+
+  it('should be unchecked when value is false', async () => {
+    render(InputCheckbox, { value: false });
+
+    const input = page.getByRole('checkbox');
+    await expect.element(input).not.toBeChecked();
+  });
+
+  it('should be checked when value is true', async () => {
+    render(InputCheckbox, { value: true });
+
+    const input = page.getByRole('checkbox');
+    await expect.element(input).toBeChecked();
+  });
+});

packages/ui/src/lib/inputs/InputNumber.svelte

@@ -19,7 +19,6 @@
 
   // normalize bounds
   if (min > max) [min, max] = [max, min];
-  if (value > max) max = value;
 
   let inputEl: HTMLInputElement | undefined = $state();
 
@@ -27,11 +26,18 @@
     return Math.min(max, Math.max(min, v));
   }
 
-  function snap(v: number) {
-    if (step) v = Math.round(v / step) * step;
+  function snap(v: number, s = step) {
+    if (s) v = Math.round(v / s) * s;
     return +v.toFixed(3);
   }
 
+  function getAutoStep(v: number): number {
+    const abs = Math.abs(v);
+    if (abs === 0) return 0.1; // fallback for 0
+    const exponent = Math.floor(Math.log10(abs));
+    return Math.pow(10, exponent);
+  }
+
   let dragging = $state(false);
   let startValue = 0;
   let rect: DOMRect;
@@ -59,7 +65,8 @@
     value = snap(
       e.ctrlKey
         ? startValue + delta
-        : clamp(startValue + delta)
+        : clamp(startValue + delta),
+      (e.altKey && !step) ? getAutoStep(value) : step
     );
   }
 
@@ -105,7 +112,7 @@
   }
 
   onMount(() => {
-    value = snap(clamp(value));
+    value = snap(value);
   });
 </script>
 
@@ -130,7 +137,7 @@
     <div
       class="absolute inset-y-0 left-0 bg-layer-3 opacity-30 pointer-events-none transition-[width]"
       class:transition-none={dragging}
-      style={`width: ${Math.min((value - min) / (max - min), 1) * 100}%`}
+      style={`width: ${Math.max(0, Math.min((value - min) / (max - min), 1) * 100)}%`}
     >
     </div>
 

packages/ui/src/lib/inputs/InputNumber.svelte.ts

@@ -0,0 +1,59 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import InputNumber from './InputNumber.svelte';
+
+describe('InputNumber', () => {
+  it('should render input element', async () => {
+    render(InputNumber, { value: 0.5 });
+
+    const input = page.getByRole('spinbutton');
+    await expect.element(input).toBeInTheDocument();
+  });
+
+  it('should render with step buttons when step is provided', async () => {
+    render(InputNumber, { value: 0.5, step: 0.1 });
+
+    const decrementBtn = page.getByRole('button', { name: 'step down' });
+    const incrementBtn = page.getByRole('button', { name: 'step up' });
+    await expect.element(decrementBtn).toBeInTheDocument();
+    await expect.element(incrementBtn).toBeInTheDocument();
+  });
+
+  it('should not render step buttons when step is undefined', async () => {
+    const screen = render(InputNumber, { value: 0.5 });
+
+    const buttons = screen.locator.getByRole('button');
+    const count = buttons.all().length;
+    expect(count).toBe(0);
+  });
+
+  it('should accept numeric value', async () => {
+    render(InputNumber, { value: 42 });
+
+    const input = page.getByRole('spinbutton');
+    await expect.element(input).toHaveValue(42);
+  });
+
+  it('should accept min and max bounds', async () => {
+    render(InputNumber, { value: 5, min: 0, max: 10 });
+
+    const input = page.getByRole('spinbutton');
+    await expect.element(input).toHaveAttribute('min', '0');
+    await expect.element(input).toHaveAttribute('max', '10');
+  });
+
+  it('should not clamp value on init when value exceeds min/max', async () => {
+    render(InputNumber, { value: 100, min: 0, max: 10 });
+
+    const input = page.getByRole('spinbutton');
+    await expect.element(input).toHaveValue(100);
+  });
+
+  it('should not clamp value on init when value is below min', async () => {
+    render(InputNumber, { value: -50, min: 0, max: 10 });
+
+    const input = page.getByRole('spinbutton');
+    await expect.element(input).toHaveValue(-50);
+  });
+});

packages/ui/src/lib/inputs/InputSelect.svelte.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import InputSelect from './InputSelect.svelte';
+
+describe('InputSelect', () => {
+  it('should render select element', async () => {
+    render(InputSelect, { options: ['a', 'b', 'c'], value: 0 });
+
+    const select = page.getByRole('combobox');
+    await expect.element(select).toBeInTheDocument();
+  });
+
+  it('should render all options', async () => {
+    render(InputSelect, { options: ['apple', 'banana', 'cherry'], value: 0 });
+
+    const select = page.getByRole('combobox');
+    await expect.element(select).toHaveTextContent('applebananacherry');
+  });
+
+  it('should select correct option by index', async () => {
+    render(InputSelect, { options: ['first', 'second', 'third'], value: 1 });
+
+    const select = page.getByRole('combobox');
+    await expect.element(select).toHaveTextContent('second');
+  });
+});

packages/ui/src/lib/inputs/InputVec3.svelte.ts

@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import InputVec3 from './InputVec3.svelte';
+
+describe('InputVec3', () => {
+  it('should render with correct initial values', async () => {
+    const value = $state([1.5, 2.5, 3.5]);
+    render(InputVec3, { value });
+
+    const inputs = page.getByRole('spinbutton');
+    await expect.element(inputs.first()).toBeInTheDocument();
+
+    expect(inputs.nth(0)).toHaveValue(1.5);
+    expect(inputs.nth(1)).toHaveValue(2.5);
+    expect(inputs.nth(2)).toHaveValue(3.5);
+  });
+
+  it('should have step attribute', async () => {
+    const value = $state([0, 0, 0]);
+    render(InputVec3, { value });
+
+    const input = page.getByRole('spinbutton').first();
+    await expect.element(input).toHaveAttribute('step', '0.01');
+  });
+});

packages/ui/svelte.config.js

@@ -11,7 +11,7 @@ const config = {
 
   kit: {
     paths: {
-      base: BASE_URL
+      base: BASE_URL === '/' ? '' : BASE_URL
     },
     // adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
     // If your environment is not supported, or you settled on a specific environment, switch out the adapter.

packages/ui/vite.config.ts

@@ -1,5 +1,6 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import tailwindcss from '@tailwindcss/vite';
+import { playwright } from '@vitest/browser-playwright';
 import { exec } from 'node:child_process';
 import { readFileSync } from 'node:fs';
 import { defineConfig } from 'vitest/config';
@@ -21,6 +22,31 @@ const postDevPackagePlugin = () => {
 export default defineConfig({
   plugins: [tailwindcss(), sveltekit(), postDevPackagePlugin()],
   test: {
-    include: ['src/**/*.{test,spec}.{js,ts}']
+    expect: { requireAssertions: true },
+    projects: [
+      {
+        extends: './vite.config.ts',
+        test: {
+          name: 'client',
+          browser: {
+            enabled: true,
+            provider: playwright(),
+            instances: [{ browser: 'firefox', headless: true }]
+          },
+          include: ['src/**/*.svelte.ts'],
+          exclude: ['src/lib/server/**']
+        }
+      },
+
+      {
+        extends: './vite.config.ts',
+        test: {
+          name: 'server',
+          environment: 'node',
+          include: ['src/**/*.{test,spec}.{js,ts}'],
+          exclude: ['src/**/*.svelte.{test,spec}.{js,ts}']
+        }
+      }
+    ]
   }
 });

packages/utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nodarium/utils",
-  "version": "0.0.1",
+  "version": "0.0.3",
   "description": "",
   "main": "src/index.ts",
   "scripts": {
@@ -12,11 +12,11 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@nodarium/types": "workspace:"
+    "@nodarium/types": "workspace:^"
   },
   "devDependencies": {
     "dprint": "^0.51.1",
     "vite": "^7.3.1",
-    "vitest": "^4.0.17"
+    "vitest": "^4.0.18"
   }
 }

packages/utils/src/encoding.test.ts

@@ -5,7 +5,6 @@ test('encode_float', () => {
   const input = 1.23;
   const encoded = encodeFloat(input);
   const output = decodeFloat(encoded);
-  console.log(input, output);
   expect(output).toBeCloseTo(input);
 });
 

packages/utils/src/fastHash.test.ts

@@ -21,24 +21,6 @@ test('fastHashArray doesnt product collisions', () => {
   expect(hash_a).not.toEqual(hash_b);
 });
 
-test('fastHashArray is fast(ish) < 20ms', () => {
-  const a = new Int32Array(10_000);
-
-  const t0 = performance.now();
-  fastHashArrayBuffer(a);
-
-  const t1 = performance.now();
-
-  a[0] = 1;
-
-  fastHashArrayBuffer(a);
-
-  const t2 = performance.now();
-
-  expect(t1 - t0).toBeLessThan(20);
-  expect(t2 - t1).toBeLessThan(20);
-});
-
 // test if the fastHashArray function is deterministic
 test('fastHashArray is deterministic', () => {
   const a = new Int32Array(1000);

packages/utils/src/flatTree.test.ts

@@ -8,8 +8,6 @@ test('it correctly concats nested arrays', () => {
 
   const output = concatEncodedArrays([input_a, input_b, input_c]);
 
-  console.log('Output', output);
-
   const decoded = decodeNestedArray(output);
 
   expect(decoded[0]).toEqual([1, 2, 3]);

packages/utils/src/flatTree.ts

@@ -88,7 +88,7 @@ function decode_recursive(dense: number[] | Int32Array, index = 0) {
           dense,
           index
         );
-        decoded.push(...p);
+        decoded.push(p as number[]);
         index = nextIndex + 1;
         nextBracketIndex = _nextBracketIndex;
       } else {