Fix build example site auth secret error

[KyleAMathews]

Copy .env.example to .env during CI build to provide required BETTER_AUTH_SECRET that better-auth now enforces.

🎯 Changes

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

⚠️ No Changeset found

Latest commit: ccd6c4b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[pkg-pr-new]

More templates

• todos
• tanstack-start-example-basic
• @tanstack/db-example-paced-mutations-demo
• tanstack-start-db-projects-example
• @tanstack/db-example-react-todo
• @tanstack/db-example-solid-todo

@tanstack/angular-db

npm i https://pkg.pr.new/@tanstack/angular-db@988

@tanstack/db

npm i https://pkg.pr.new/@tanstack/db@988

@tanstack/db-ivm

npm i https://pkg.pr.new/@tanstack/db-ivm@988

@tanstack/electric-db-collection

npm i https://pkg.pr.new/@tanstack/electric-db-collection@988

@tanstack/offline-transactions

npm i https://pkg.pr.new/@tanstack/offline-transactions@988

@tanstack/powersync-db-collection

npm i https://pkg.pr.new/@tanstack/powersync-db-collection@988

@tanstack/query-db-collection

npm i https://pkg.pr.new/@tanstack/query-db-collection@988

@tanstack/react-db

npm i https://pkg.pr.new/@tanstack/react-db@988

@tanstack/rxdb-db-collection

npm i https://pkg.pr.new/@tanstack/rxdb-db-collection@988

@tanstack/solid-db

npm i https://pkg.pr.new/@tanstack/solid-db@988

@tanstack/svelte-db

npm i https://pkg.pr.new/@tanstack/svelte-db@988

@tanstack/trailbase-db-collection

npm i https://pkg.pr.new/@tanstack/trailbase-db-collection@988

@tanstack/vue-db

npm i https://pkg.pr.new/@tanstack/vue-db@988

commit: ccd6c4b

[github-actions]

Size Change: 0 B

Total Size: 88.2 kB

ℹ️ View Unchanged

Filename	Size
./packages/db/dist/esm/collection/change-events.js	1.39 kB
./packages/db/dist/esm/collection/changes.js	977 B
./packages/db/dist/esm/collection/events.js	388 B
./packages/db/dist/esm/collection/index.js	3.24 kB
./packages/db/dist/esm/collection/indexes.js	1.1 kB
./packages/db/dist/esm/collection/lifecycle.js	1.67 kB
./packages/db/dist/esm/collection/mutations.js	2.31 kB
./packages/db/dist/esm/collection/state.js	3.42 kB
./packages/db/dist/esm/collection/subscription.js	2.71 kB
./packages/db/dist/esm/collection/sync.js	2.37 kB
./packages/db/dist/esm/deferred.js	207 B
./packages/db/dist/esm/errors.js	4.19 kB
./packages/db/dist/esm/event-emitter.js	748 B
./packages/db/dist/esm/index.js	2.66 kB
./packages/db/dist/esm/indexes/auto-index.js	742 B
./packages/db/dist/esm/indexes/base-index.js	766 B
./packages/db/dist/esm/indexes/btree-index.js	1.93 kB
./packages/db/dist/esm/indexes/lazy-index.js	1.1 kB
./packages/db/dist/esm/indexes/reverse-index.js	513 B
./packages/db/dist/esm/local-only.js	837 B
./packages/db/dist/esm/local-storage.js	2.1 kB
./packages/db/dist/esm/optimistic-action.js	359 B
./packages/db/dist/esm/paced-mutations.js	496 B
./packages/db/dist/esm/proxy.js	3.75 kB
./packages/db/dist/esm/query/builder/functions.js	733 B
./packages/db/dist/esm/query/builder/index.js	3.96 kB
./packages/db/dist/esm/query/builder/ref-proxy.js	917 B
./packages/db/dist/esm/query/compiler/evaluators.js	1.35 kB
./packages/db/dist/esm/query/compiler/expressions.js	430 B
./packages/db/dist/esm/query/compiler/group-by.js	1.8 kB
./packages/db/dist/esm/query/compiler/index.js	1.96 kB
./packages/db/dist/esm/query/compiler/joins.js	2 kB
./packages/db/dist/esm/query/compiler/order-by.js	1.46 kB
./packages/db/dist/esm/query/compiler/select.js	1.07 kB
./packages/db/dist/esm/query/expression-helpers.js	1.43 kB
./packages/db/dist/esm/query/ir.js	673 B
./packages/db/dist/esm/query/live-query-collection.js	360 B
./packages/db/dist/esm/query/live/collection-config-builder.js	5.33 kB
./packages/db/dist/esm/query/live/collection-registry.js	264 B
./packages/db/dist/esm/query/live/collection-subscriber.js	1.74 kB
./packages/db/dist/esm/query/live/internal.js	130 B
./packages/db/dist/esm/query/optimizer.js	2.56 kB
./packages/db/dist/esm/query/predicate-utils.js	2.91 kB
./packages/db/dist/esm/query/subset-dedupe.js	921 B
./packages/db/dist/esm/scheduler.js	1.3 kB
./packages/db/dist/esm/SortedMap.js	1.3 kB
./packages/db/dist/esm/strategies/debounceStrategy.js	247 B
./packages/db/dist/esm/strategies/queueStrategy.js	428 B
./packages/db/dist/esm/strategies/throttleStrategy.js	246 B
./packages/db/dist/esm/transactions.js	2.9 kB
./packages/db/dist/esm/utils.js	881 B
./packages/db/dist/esm/utils/browser-polyfills.js	304 B
./packages/db/dist/esm/utils/btree.js	5.61 kB
./packages/db/dist/esm/utils/comparison.js	852 B
./packages/db/dist/esm/utils/cursor.js	457 B
./packages/db/dist/esm/utils/index-optimization.js	1.51 kB
./packages/db/dist/esm/utils/type-guards.js	157 B

_{compressed-size-action::db-package-size}

[github-actions]

Size Change: 0 B

Total Size: 3.35 kB

ℹ️ View Unchanged

Filename	Size
./packages/react-db/dist/esm/index.js	225 B
./packages/react-db/dist/esm/useLiveInfiniteQuery.js	1.17 kB
./packages/react-db/dist/esm/useLiveQuery.js	1.12 kB
./packages/react-db/dist/esm/useLiveSuspenseQuery.js	431 B
./packages/react-db/dist/esm/usePacedMutations.js	401 B

_{compressed-size-action::react-db-package-size}