v1.49.2

What's Changed

• fix(agent-server): preserve legacy conversations in Docker catalogs by @neubig in #5128
• fix(agent-server): stop rescanning Docker conversations by @neubig in #5137
• feat(plugin): add the Agent Plugins mcp.json loader by @VascoSch92 in #5093
• fix(agent-server): preserve Docker proxy root paths by @neubig in #5140
• fix(deps): hold fastmcp below 4 so browser tools keep working in unlocked installs by @simonrosenberg in #5153
• fix(plugin): enforce package path containment in plugin formats by @VascoSch92 in #5101
• fix(agent-server): create Docker conversation workspaces by @neubig in #5130
• fix(agent-server): block Docker restarts during deletion by @neubig in #5132
• test(plugin): end-to-end tests for the Agent Plugins package format by @VascoSch92 in #5160
• Release v1.49.2 by @all-hands-bot in #5161

Full Changelog: v1.49.1...v1.49.2