fix: crash on requesting to delete building blocks

src/codius/graph/nodes/apply_changes.py

@@ -26,20 +26,20 @@ def apply_changes(state: dict) -> dict:
     deleted_paths = []
     for plan_item in state.get("plan", []):
         if plan_item["type"] == "delete_directory":
-            dir_path = Path(plan_item["path"])
+            dir_path = project_root / plan_item["path"]
             if dir_path.exists() and dir_path.is_dir():
                 shutil.rmtree(dir_path)
                 deleted_paths.append(dir_path)
         elif plan_item["type"] == "delete_file":
-            file_path = Path(plan_item["path"])
+            file_path = project_root / plan_item["path"]
             if file_path.exists() and file_path.is_file():
                 file_path.unlink()
                 deleted_paths.append(file_path)
 
     file_list = "\n".join([
         f"✅ {str(f.relative_to(generated_dir))}" for f in generated_files
     ] + [
-        f"❌️ {str(p)}" for p in deleted_paths
+        f"❌️ {str(p.relative_to(project_root))}" for p in deleted_paths
     ])
 
     state["final_output"] = f"Applied changes:\n\n{file_list}"

src/codius/graph/nodes/preview.py

@@ -22,6 +22,7 @@ def preview(state: dict) -> dict:
 
     session_id = state.get('session_id')
     generated_dir = metadata_service.get_generated_path(session_id)
+    project_root = Path(state["project_metadata"]["project_root"])
 
     console = Console()
     session = PromptSession()
@@ -41,7 +42,7 @@ def preview(state: dict) -> dict:
 
     # Show deletions
     for item in deletions:
-        file_path = Path(item["path"])
+        file_path = project_root / item["path"]
         if file_path.exists():
             try:
                 content = file_path.read_text()

src/codius/infrastructure/services/code_generator/code_generator_service.py

@@ -24,8 +24,7 @@ def __init__(self, convention_service: OpenDddConventionService, tree_sitter_ser
     def create_file(self, file_plan: dict, output_dir: Path, project_root: Path) -> Optional[dict]:
         template_name = file_plan.get("template")
         context = file_plan.get("context", {})
-        absolute_path = Path(file_plan["path"]).resolve()
-        relative_path = absolute_path.relative_to(project_root)
+        relative_path = Path(file_plan["path"])
 
         try:
             template = self.jinja_env.get_template(f"{template_name}.cs.j2")
@@ -55,12 +54,11 @@ def modify_file(
         project_root: Path,
         created_files_map: dict[str, str]
     ) -> Optional[dict]:
-        absolute_path = Path(path).resolve()
-        relative_path = absolute_path.relative_to(project_root)
-        file_path_str = str(project_root / relative_path)
+        relative_path = Path(path)
+        relative_path_str = str(relative_path)
 
-        if file_path_str in created_files_map:
-            current_code = created_files_map[file_path_str]
+        if relative_path_str in created_files_map:
+            current_code = created_files_map[relative_path_str]
         else:
             try:
                 current_code = (project_root / relative_path).read_text(encoding="utf-8")