upgrade: date package upgrade for Solid 2.0

[davedbase]

Bumps peer dependencies to solid-js@^2.0.0-beta.10 and @solidjs/web@^2.0.0-beta.10

• Drops @solid-primitives/timer and @solid-primitives/memo deps; inlines TimeoutSource type
• createDateNow — converts createEffect to the required split (compute, apply) two-argument form
• createCountdown — replaces removed createComputed with createRenderEffect(compute, apply)
• createDate — replaces removed createWritableMemo with createSignal(fn) writable-computed overload
• createStore import moved from solid-js/store to solid-js; isServer import moved to @solidjs/web
• Tests updated: flush() after signal writes (pull-based reactivity requires explicit flush outside tracking contexts), signals created outside createRoot to avoid SIGNAL_WRITE_IN_OWNED_SCOPE
• New test/server.test.ts for SSR safety across all five primitives

Summary by CodeRabbit

• New Features

  • Added server-side rendering support with enhanced SSR test coverage.

• Chores

  • Updated to Solid.js 2.0-beta.10 and @solidjs/web 2.0-beta.10.
  • Updated peer dependencies to align with Solid.js v2 beta releases.

• Documentation

  • Added pnpm as an installation option in the README.

[changeset-bot]

🦋 Changeset detected

Latest commit: 01fc319

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@solid-primitives/date	Major

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Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@packages/date/package.json`:
- Around line 57-59: Update packages/date/package.json to align its Solid 2 beta
versions with the workspace baseline: change the "`@solidjs/web`" and "solid-js"
entries (both devDependencies and peerDependencies) from 2.0.0-beta.10 /
^2.0.0-beta.10 to 2.0.0-beta.14 / ^2.0.0-beta.14 respectively (or add a short
comment in the package.json describing why this package must remain on beta.10
if intentional); ensure you update both the devDependencies keys "`@solidjs/web`"
and "solid-js" and any peerDependencies that reference "^2.0.0-beta.10" so
versions are consistent with the root workspace.

In `@packages/date/src/primitives.ts`:
- Around line 77-81: The current scheduling code only treats false as disabled
which allows setInterval(update, 0) when interval resolves to 0; update the
condition that disables scheduling to also treat 0 as disabled by checking the
resolved ms value (the variable named interval and the resolved ms used with
setInterval/clearInterval): change the guard so that if ms === false || ms === 0
the function returns without creating the interval, ensuring no busy-loop timer
is created for ms = 0.

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Fix all unresolved CodeRabbit comments on this PR:

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📥 Commits

Reviewing files that changed from the base of the PR and between 76d6f2e and 9479fd9.

⛔ Files ignored due to path filters (1)

• pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml

📒 Files selected for processing (9)

• .changeset/date-solid2-migration.md
• packages/date/README.md
• packages/date/package.json
• packages/date/src/primitives.ts
• packages/date/src/types.ts
• packages/date/test/date-difference.test.ts
• packages/date/test/date-now.test.ts
• packages/date/test/server.test.ts
• packages/date/tsconfig.json

💤 Files with no reviewable changes (1)

• packages/date/tsconfig.json