Adds reviewer prompt compaction and automatic retry logic when the reviewer hits context-window limits, with matching test coverage and a changeset for `@runfusion/fusion`.
Fusion-Task-Id: FN-4082
The merge adds section-aware prompt compaction for task triage (reducing spec payload size by intelligently trimming planning context), enriches the Settings modal with GitHub tracking configuration, and improves the engine's self-healing behavior.
Fusion-Task-Id: FN-3877