Adopt cached Nx CI and automated releases

.changeset/README.md

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+# Changesets
+
+Add a changeset for every user-visible package change:
+
+```sh
+pnpm changeset
+```
+
+All ten public Charts packages release as one fixed version. Documentation,
+tests, benchmarks, and build-only changes do not need a changeset unless they
+change the published package contract.

.changeset/compact-axis-titles.md

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+---
+'@tanstack/charts': patch
+---
+
+Keep long Cartesian axis titles contained on compact charts.

.changeset/config.json

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+{
+  "$schema": "https://unpkg.com/@changesets/config@3.1.2/schema.json",
+  "changelog": [
+    "@changesets/changelog-github",
+    {
+      "repo": "TanStack/charts",
+      "disableThanks": true
+    }
+  ],
+  "commit": false,
+  "access": "public",
+  "baseBranch": "main",
+  "updateInternalDependencies": "patch",
+  "privatePackages": false,
+  "fixed": [
+    [
+      "@tanstack/charts",
+      "@tanstack/react-charts",
+      "@tanstack/octane-charts",
+      "@tanstack/preact-charts",
+      "@tanstack/vue-charts",
+      "@tanstack/solid-charts",
+      "@tanstack/svelte-charts",
+      "@tanstack/angular-charts",
+      "@tanstack/lit-charts",
+      "@tanstack/alpine-charts"
+    ]
+  ],
+  "linked": [],
+  "ignore": [],
+  "___experimentalUnsafeOptions_WILL_CHANGE_IN_PATCH": {
+    "onlyUpdatePeerDependentsWhenOutOfRange": true
+  }
+}

.github/actions/setup/action.yml

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+name: Setup Charts
+description: Install the workspace and restore local Nx and Playwright caches
+
+inputs:
+  playwright:
+    description: Install the Chromium runtime used by browser checks
+    required: false
+    default: 'false'
+
+runs:
+  using: composite
+  steps:
+    - name: Setup tools
+      uses: TanStack/config/.github/setup@e4b48f16568324f76f467aa4c2aac2f05db632c3
+
+    - name: Restore Nx cache
+      uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+      with:
+        path: .nx/cache
+        key: ${{ runner.os }}-nx-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.job }}-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-nx-${{ hashFiles('pnpm-lock.yaml') }}-${{ github.job }}-
+          ${{ runner.os }}-nx-${{ hashFiles('pnpm-lock.yaml') }}-
+
+    - name: Restore Playwright
+      if: inputs.playwright == 'true'
+      id: playwright-cache
+      uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+      with:
+        path: ~/.cache/ms-playwright
+        key: ${{ runner.os }}-playwright-${{ hashFiles('pnpm-lock.yaml') }}
+
+    - name: Install Chromium
+      if: inputs.playwright == 'true' && steps.playwright-cache.outputs.cache-hit != 'true'
+      shell: bash
+      run: pnpm exec playwright install --only-shell chromium
+
+    - name: Install Chromium system dependencies
+      if: inputs.playwright == 'true'
+      shell: bash
+      run: pnpm exec playwright install-deps chromium