Support non-containerized MCP servers via externalUrl field and add
streamable-http session management for HA MCP proof of concept.
- Add externalUrl, command, containerPort fields to McpServer schema
- Skip Docker orchestration for external servers (virtual instances)
- Implement streamable-http proxy with Mcp-Session-Id session management
- Parse SSE-framed responses from streamable-http endpoints
- Add command passthrough to Docker container creation
- Create HA MCP example manifest (examples/ha-mcp.yaml)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>