0.5.0

• feat: enhance SidAudioEngine with context management and disposal
• Merge pull request #82 from chrisgleissner/feat/prod-hardening-1
• feat(cli): add station demo CLI and related tests
• Update similarity export schema to version 1; enhance export functionality and improve CLI output paths
• Update similarity export schema to version 2; enhance export functionality and improve CLI output paths
• Enhance similarity export functionality; recover orphaned feature-phase rows and improve export summary logging
• Enhance performance tests and playback session data; update k6 latency thresholds and improve playlist UI assertions
• Merge remote-tracking branch 'origin/feat/prod-hardening-1' into feat/prod-hardening-1
• Fix CI classification failures and enhance export reliability; update rate limiter persistence and add run lock to export script
• Add new playback sessions for "Lully Marche Ceremonie Turcs Wip" and "10 Orbyte"
• Add tracing and playback session data, enhance test server setup
• Stabilize async perf timing test
• Enhance WAV render settings management and analysis timing accuracy
• Fix Playwright Node test discovery
• Fix production Playwright harness
• Fix web build typing regressions
• Address follow-up PR review feedback
• Fix admin metrics job timestamp typing
• Address PR review feedback on admin auth fallback
• Refactor code structure for improved readability and maintainability
• feat: enhance classification job with limit parameter and update related files
• feat: add similarity export script and classification job manifest
• feat: add similarity export functionality and CLI support
• Add security runtime validation and configuration checks
• Disable nightly performance test schedule
• Revise README with new project details and features
• chore: update CHANGES.md for 0.4.0

Docker image: ghcr.io/chrisgleissner/sidflow:0.5.0