v0.19.0

What's Changed

• Remove SQLite support; PostgreSQL is now the only database backend by @jinglemansweep in #371
• Add Playwright e2e job to CI and upload test report artifacts by @jinglemansweep in #372
• fix(compose): keep bundled postgres out of the core profile in production by @jinglemansweep in #373
• ci: add consolidated job summary with test results and artifacts by @jinglemansweep in #374
• chore(deps): update actions/download-artifact action to v8 by @renovate[bot] in #375
• test(e2e): expand Playwright coverage for UI regression protection by @jinglemansweep in #376
• feat(web): cluster map markers for large node counts by @jinglemansweep in #377

Full Changelog: v0.18.0...v0.19.0