BrowserClaw Server - v0.0.21

• chore(release): bump BrowserOS to v0.49.0 (#2091) (ea4bee8)
• feat(browserclaw): rebrand browser as BrowserOS neo (#2090) (ec1836a)
• chore: drop Rust from claw server release name (#2089) (ed02a5f)
• feat(claw-app): replace first-run demo with a how-to video bento (#2052) (b0203cf)
• Revert "chore: update onboarding recording (#2087)" (3854678)
• chore: update onboarding recording (#2087) (a88bca8)
• feat(claw-server): close finished-agent tabs via reconciliation sweep (#2085) (434cf7d)
• feat(claw): live per-tab session preview over rrweb SSE (server + running card) (#2083) (1af938c)
• fix(app): buffer the active conversation so it survives navigation (#559) (#2049) (c4700a7)
• chore: sync bun.lock trustedDependencies after dropping lefthook (#2084) (d70026d)
• fix: install lefthook hooks at repo level, not a global core.hooksPath (#2074) (0ed426e)
• fix(claw): sync history tool catalog tests (#2075) (5a4a9ef)