Analytics credentials masked; media retention cleanup…

feat(preview): enable cloud AI features on PR previews by @LysanderKie in https://github.com/langfuse/langfuse/pull/15264
feat(api): reject dataset-run-item surface in events_only mode by @Steffen911 in https://github.com/langfuse/langfuse/pull/15313
feat(otel): expose uploaded media bytes by @hassiebp in https://github.com/langfuse/langfuse/pull/15354
feat(search-bar): detangle Ask AI system prompt from injected context (LFE-11003) by @nkabardin in https://github.com/langfuse/langfuse/pull/15292

fix(worker): bound media retention cleanup batches by @sumerman in https://github.com/langfuse/langfuse/pull/15226
fix(security): mask analytics integration credentials in get endpoints (LFE-14384) by @niklassemmler in https://github.com/langfuse/langfuse/pull/15296
fix(worker): route analytics score-export trace enrichment by v4 write mode (LFE-11009) by @niklassemmler in https://github.com/langfuse/langfuse/pull/15298
fix(agent): Instrument user info on in-app agent requests by @bezbac in https://github.com/langfuse/langfuse/pull/15317
fix(otel): decode Python bytes media by @hassiebp in https://github.com/langfuse/langfuse/pull/15347
fix(filter-sidebar): always show Clear when a filter is active (LFE-14402) by @nkabardin in https://github.com/langfuse/langfuse/pull/15314

chore(pricing): add gemini-3.6-flash and gemini-3.5-flash-lite pricing by @langfuse-bot in https://github.com/langfuse/langfuse/pull/15285
revert(deploy): remove ECS task_arn DD_TAGS tagging (LFE-11028) by @niklassemmler in https://github.com/langfuse/langfuse/pull/15335
chore(pricing): remove invalid cache pricing from gemini-3.5-flash-lite by @langfuse-bot in https://github.com/langfuse/langfuse/pull/15340
chore(deps): bump fast-uri to 3.1.4 by @nimarb in https://github.com/langfuse/langfuse/pull/15355
chore(deps): bump @vitest/browser to 4.1.10 by @nimarb in https://github.com/langfuse/langfuse/pull/15356
chore(deps): bump next to 16.2.11 by @nimarb in https://github.com/langfuse/langfuse/pull/15358
chore(deps): bump turbo to 2.10.5 by @nimarb in https://github.com/langfuse/langfuse/pull/15360
chore(deps): bump hono to 4.12.27 by @nimarb in https://github.com/langfuse/langfuse/pull/15363
chore(deps): bump dompurify to 3.4.12 by @nimarb in https://github.com/langfuse/langfuse/pull/15364

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.224.0...v3.224.1

Analytics credentials masked; media retention cleanup bounded