BrowserOS Server - v0.0.158

• fix(mcp): stop emitting null inside nullable enum tool schemas (#2585) (41ca3ed)
• fix(app): don't require re-entering saved credentials when editing a provider (#2590) (f1f0b79)
• fix(app): restore tsconfig paths so bun test resolves @/ aliases (#2589) (63ae901)
• feat(providers): add custom headers with conversation IDs (#2579) (1b09aea)
• chore: appcast updates (528056e)
• feat(claw-server): let stateless agents declare their own name (#2581) (a6f2b31)
• chore: bump agent extension version to 0.0.151.0 (#2576) (752aa59)
• chore(release): update extension alpha feeds to 0.0.151.0 (b2aa7f2)
• chore: bump server version to 0.0.157 (#2574) (a4723c5)
• chore(release): snapshot browseros server alpha v0.0.157 (25e6250)