Fix Task Completed Data Not Populating Across

[roshini1212]

Description

Related PRS (if any):

This frontend PR is related to the (OneCommunityGlobal/HGNRest#2358) backend PR.

Main changes explained:

• Updated task statistics aggregation to calculate Assigned and Completed task counts independently.
  -Added support for completed tasks identified by:
  completedDatetime
  terminal task statuses such as Completed, Closed, Complete, Done, and Finished
  resources.completedTask
• Updated the weekly task trends endpoint to honor the selected start and end dates.
• Added assigned and completed values to weekly chart responses.
• Updated the task summary endpoint to use the same completion rules as the graph.
• Normalized dashboard date ranges using the America/Los_Angeles timezone.
• Preserved the existing YYYY-MM-DD date format for time-entry queries.
• Added regression tests covering assigned/completed counts, date filtering, and comparison periods.

How to test:

1. Checkout the backend branch
2. Do npm install
   npm run build
   npm start
3. Checkout the related frontend PR
4. Clear browser site data/cache.
5. Log in as a Manager, Admin, or Tester.
6. Navigate to: Dashboard → Total Org Summary
7. Verify that:
   The Task Completed summary card displays the correct value.
   The graph displays both Assigned and Completed labels.
   Assigned and Completed values are separate.
   The chart updates when the date-range filter changes.
   The behavior works on desktop and mobile layouts.

Screenshots or videos of changes:

Screen.Recording.2026-09-18.at.11.37.59.mov

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[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud