fix(core): actionable error for stale better-sqlite3 native binary

[all3f0r1]

What does this PR do?

When Node.js is upgraded (or node_modules was built with a different Node version), better-sqlite3 fails to load with a NODE_MODULE_VERSION mismatch. Today, createDatabase catches this and surfaces a generic Failed to create database — the real cause is only visible if the user digs into the cause.

This PR detects the NODE_MODULE_VERSION string in the underlying error and throws an EmDashDatabaseError whose message tells the user exactly what to do: rebuild the native module with pnpm rebuild better-sqlite3 (or reinstall deps).

The helper is exported and covered by unit tests.

Closes #562

Type of change

• Bug fix
• Feature (requires maintainer-approved Discussion)
• Refactor (no behavior change)
• Translation
• Documentation
• Performance improvement
• Tests
• Chore (dependencies, CI, tooling)

Checklist

• I have read CONTRIBUTING.md
• pnpm typecheck passes
• pnpm lint passes
• pnpm test passes (or targeted tests for my change)
• pnpm format has been run
• I have added/updated tests for my changes (if applicable)
• User-visible strings in the admin UI are wrapped for translation and pnpm locale:extract has been run (if applicable)
• I have added a changeset (if this PR changes a published package)
• New features link to an approved Discussion: https://github.com/emdash-cms/emdash/discussions/...

AI-generated code disclosure

• This PR includes AI-generated code

Screenshots / test output

 ✓ tests/database/connection.test.ts (13 tests) 84ms
 Test Files  1 passed (1)
      Tests  13 passed (13)

[changeset-bot]

🦋 Changeset detected

Latest commit: 23d54cc

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

This PR includes changesets to release 9 packages

Name	Type
emdash	Patch
@emdash-cms/cloudflare	Patch
@emdash-cms/admin	Patch
@emdash-cms/auth	Patch
@emdash-cms/blocks	Patch
@emdash-cms/gutenberg-to-portable-text	Patch
@emdash-cms/x402	Patch
create-emdash	Patch
@emdash-cms/plugin-embeds	Patch

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commit: 23d54cc

[ascorbic]

Nice. Good catch