LOcal date formate issue fix

Author: Ravikirana-Microsoft

src/backend/app_kernel.py

@@ -4,6 +4,8 @@
 import os
 import uuid
 from typing import Dict, List, Optional
+import uvicorn
+import locale
 
 # Semantic Kernel imports
 from app_config import config
@@ -676,6 +678,16 @@ async def get_plans(
         plan_with_steps.update_step_counts()
         list_of_plans_with_steps.append(plan_with_steps)
 
+    # Print local system preference date format, selected language, and language code
+
+    # Get system locale settings
+    system_locale = locale.getdefaultlocale()
+    language_code = system_locale[0] if system_locale else "unknown"
+    
+    # Add "local_system_language_selecetd" to each plan
+    for plan in list_of_plans_with_steps:
+      plan.user_locale = language_code.replace("_", "-")
+    
     return list_of_plans_with_steps
 
 
@@ -1185,10 +1197,5 @@ async def get_task_examples():
         "examples": examples,
         "usage": "POST /api/tasks with any of the example payloads to see locale-specific date formatting"
     }
-
-
-# Run the app
 if __name__ == "__main__":
-    import uvicorn
-
-    uvicorn.run("app_kernel:app", host="127.0.0.1", port=8000, reload=True)
+  uvicorn.run("app_kernel:app", host="127.0.0.1", port=8000, reload=True)

src/frontend/src/models/plan.tsx

@@ -99,6 +99,7 @@ export interface PlanWithSteps extends Plan {
     completed: number;
     /** Count of steps failed */
     failed: number;
+    user_locale?: string; // Added to store the user's locale for date formatting
 }
 
 

src/frontend/src/services/TaskService.tsx

@@ -31,7 +31,7 @@ export class TaskService {
         completed_steps: plan.completed,
         total_steps: plan.total_steps,
         status: apiService.isPlanComplete(plan) ? "completed" : "inprogress",
-        date: new Intl.DateTimeFormat(undefined, {
+        date: new Intl.DateTimeFormat(plan?.user_locale, {
           dateStyle: "long",
           // timeStyle: "short",
         }).format(new Date(plan.timestamp)),