Add cpl-mail project

cpl.workspace.json

@@ -3,7 +3,7 @@
   "projects": [
     "src/cli/cpl.project.json",
     "src/core/cpl.project.json",
-    "test/cpl.project.json"
+    "src/mail/cpl.project.json"
   ],
   "defaultProject": "cpl-cli",
   "scripts": {

src/cli/cpl/cli/model/workspace.py

@@ -1,3 +1,4 @@
+from pathlib import Path
 from typing import Optional, List, Dict
 
 from cpl.cli.model.cpl_structure_model import CPLStructureModel
@@ -28,6 +29,20 @@ class Workspace(CPLStructureModel):
         self._name = name
         self._projects = projects
         self._default_project = default_project
+
+        self._actual_projects = []
+        self._project_names = []
+        for project in projects:
+            if Path(project).is_dir() or not Path(project).exists():
+                raise ValueError(f"Project path '{project}' does not exist or is a directory.")
+
+            p = Project.from_file(project)
+            self._actual_projects.append(p)
+            self._project_names.append(p.name)
+
+        if default_project is not None and default_project not in self._project_names:
+            raise ValueError(f"Default project '{default_project}' not found in workspace projects.")
+
         self._scripts = scripts
 
     @property
@@ -48,11 +63,11 @@ class Workspace(CPLStructureModel):
 
     @property
     def actual_projects(self) -> List[Project]:
-        return [Project.from_file(p) for p in self._projects]
+        return self._actual_projects
 
     @property
     def project_names(self) -> List[str]:
-        return [Project.from_file(p).name for p in self._projects]
+        return self._project_names
 
     @property
     def default_project(self) -> Optional[str]:

src/mail/cpl.project.json

@@ -0,0 +1,23 @@
+{
+  "name": "cpl-mail",
+  "version": "0.1.0",
+  "type": "library",
+  "license": "",
+  "author": "",
+  "description": "",
+  "homepage": "",
+  "keywords": [],
+  "dependencies": {
+    "cpl-core": "~2024.7.0"
+  },
+  "devDependencies": {
+    "cpl-cli": ">2024.7.0"
+  },
+  "references": [],
+  "main": null,
+  "directory": "./",
+  "build": {
+    "include": [],
+    "exclude": []
+  }
+}