Add sdk progress tracking

[mateeullahmalik]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors event type usage in SDK progress tracking and updates task status handling throughout the codebase. Key changes include:

• Replacement of legacy event type names with new SDK-specific event types in tests, task routines, and event mapping.
• Introduction of a new progress tracking mechanism in the event package with updated status and percentage computations.
• Updates to supernode adapter tests and cache status assignments to align with the new event and progress patterns.

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tests/system/e2e_cascade_test.go	Updated event type checks to use new SDK event types.
sdk/task/task.go	Renamed EmitEvent to emitEvent and adjusted LogEvent calls to use sdk events.
sdk/task/manager.go	Modified task status updates and switched event types for task life cycle.
sdk/task/cascade.go	Updated SDK log events during cascade task execution and registration.
sdk/task/cache.go	Consistently uses event package status constants in task cache management.
sdk/event/types.go	Replaced old event types with new SDK event types; introduced new supernode events.
sdk/event/progress.go	Added comprehensive progress reporting logic with percentage mapping.
sdk/adapters/supernodeservice/types_test.go	Adjusted tests to expect new event type mappings for supernode events.
sdk/adapters/supernodeservice/adapter.go	Updated event mapping to align with new event names.