fix: correct Home Assistant MCP sidecar command for SSE mode

The Home Assistant MCP was failing with 'fastmcp-sse.json not found' error.
Updated command to use proper fastmcp arguments for SSE transport mode
without requiring a configuration file.

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

chart/templates/deployment.yaml

@@ -151,7 +151,7 @@ spec:
         - name: homeassistant-mcp
           image: "{{ .Values.mcpSidecars.homeassistant.image.repository }}:{{ .Values.mcpSidecars.homeassistant.image.tag }}"
           imagePullPolicy: Always
-          command: ["fastmcp", "run", "fastmcp-sse.json"]
+          command: ["fastmcp", "run", "ha_mcp.main:app", "--transport", "sse", "--sse-server-host", "0.0.0.0", "--sse-server-port", "{{ .Values.mcpSidecars.homeassistant.port }}"]
           ports:
             - name: homeassistant
               containerPort: {{ .Values.mcpSidecars.homeassistant.port }}