Merge UPH v3 to Develop

[Sendipad]

Merge UPH v3 to Develop

This Pull Request merges the v3 branch into develop, introducing major enhancements, fixes, and New features for the Unified Party Hub (UPH) app.

Key Updates & New Features

1. Setup Wizard & Onboarding

• [NEW] Comprehensive Setup Wizard for initial configuration.
• [NEW] Pre-defined templates for tree structures and settings.
• [NEW] Automatic redirection to setup if configuration is missing.

2. Data Quality Dashboard Enhancements

• Refactoring: Optimized backend logic for duplication detection and health checks.
• Performance: Resolved N+1 query issues and improved dashboard loading times.
• UI/UX: Refined dashboard layout and interactive elements.
• party_master_tree:fix filter party, allow scroll to target PM.
• Testing: Added comprehensive unit tests for Party Master Settings and dashboard metrics.

3. Unlinked Party Resolver & Issue System

• [NEW] Engine to identify and resolve unlinked roles (Customers/Suppliers/Employees).
• [NEW] Party Issue DocType for tracking and auditing resolution actions.
• [NEW] Automation for creating Party Masters from unlinked records.

4. Transaction Health Monitor

• [NEW] Background job framework to scan transactional integrity.
• Improved: Logic for parent document resolution and data alignment.

5. Internationalization (i18n)

• Arabic Translation: Complete Arabic locale support with updated .po and .pot files.
• Contextual Translation: Wrapped all user-facing strings in __() for both Python and JS.

6. CI/CD & Infrastructure

• Workflows: Updated GitHub Actions to use Node 24 and Python 3.12/3.14.
• Stability: Fixed UI test flaky behaviors and improved CI reliability.

Fixes

• Fixed missing address templates in CI environments.
• Corrected single doctype update issues.
• Refined fuzzy matching logic using rapidfuzz.
• Improved naming synchronization and tree-based views.

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