Angular CLI: v22.0.0-next.4 Release

@angular/cli

| Commit | Description | | -- | -- | | | support custom port in MCP devserver start tool | | | fix sourceRoot resolution for MCP projects tool |

@angular/build

| Commit | Description | | -- | -- | | | ensure transitive SCSS partial errors are tracked in watch mode | | | ensure Vitest mock patching is executed only once | | | preserve error stack traces during prerendering | | | scope CHROME_BIN executable path to individual playwright instances |

@angular/ssr

| Commit | Description | | -- | -- | | | allow underscores in host validation | | | patch Headers.forEach in cloneRequestAndPatchHeaders |