fix: update project path handling to use relative paths in workspace.json

Author: BernardXiong

src/project/cmd.ts

@@ -1,6 +1,7 @@
 import * as os from 'os';
 import * as fs from 'fs';
 import * as vscode from 'vscode';
+import * as path from 'path';
 
 import { getWorkspaceFolder } from '../api';
 import { executeCommand } from '../terminal';
@@ -55,7 +56,14 @@ export function setCurrentProject(arg: any) {
         // update workspace.json file
         let workspaceJson = readWorkspaceJson();
         if (workspaceJson) {
-            workspaceJson.currentProject = arg.fn;
+            const workspaceFolder = getWorkspaceFolder();
+            let relativeProject = arg.fn;
+            if (workspaceFolder && typeof arg.fn === 'string' && arg.fn.length > 0) {
+                if (path.isAbsolute(arg.fn)) {
+                    relativeProject = path.relative(workspaceFolder, arg.fn);
+                }
+            }
+            workspaceJson.currentProject = relativeProject;
             writeWorkspaceJson(workspaceJson);
         }
     }

src/webviews/project.ts

@@ -192,7 +192,13 @@ export function writeWorkspaceJson(data: any) {
 export function setCurrentProjectInWorkspace(project: string) {
     let workspaceJson = readWorkspaceJson();
     if (workspaceJson) {
-        workspaceJson.currentProject = project;
+        const workspaceFolder = getWorkspaceFolder();
+        let relativeProject = project;
+        if (workspaceFolder && path.isAbsolute(project)) {
+            relativeProject = path.relative(workspaceFolder, project);
+        }
+
+        workspaceJson.currentProject = relativeProject;
         writeWorkspaceJson(workspaceJson);
     }
 }
@@ -201,7 +207,20 @@ export function setCurrentProjectInWorkspace(project: string) {
 export function getCurrentProjectInWorkspace() {
     let workspaceJson = readWorkspaceJson();
     if (workspaceJson) {
-        return workspaceJson.currentProject;
+        const project = workspaceJson.currentProject;
+        if (!project) {
+            return null;
+        }
+
+        // Backward compatible: if absolute, return it; if relative, resolve to absolute
+        if (path.isAbsolute(project)) {
+            return project;
+        }
+
+        const workspaceFolder = getWorkspaceFolder();
+        if (workspaceFolder) {
+            return path.resolve(workspaceFolder, project);
+        }
     }
     return null;
 }