Method CheckPermissionChain

agent/loop.go:1395–1428

(tc coretools.ToolCall, tool coretools.Tool, state *AgentState)

			continue
		}
		e.cacheEditState.Pinned = append(e.cacheEditState.Pinned, edit)
		existing[edit.ToolUseID] = struct{}{}
	}
	e.cacheEditState.ConsumedInFlight = nil
}

func (e *CoreExecutionEngine) restoreInFlightCacheEdits() {
	if len(e.cacheEditState.ConsumedInFlight) == 0 {
		return
	}
	restored := make([]api.CacheEdit, 0, len(e.cacheEditState.ConsumedInFlight)+len(e.cacheEditState.Pending))
	restored = append(restored, e.cacheEditState.ConsumedInFlight...)
	restored = append(restored, e.cacheEditState.Pending...)
	e.cacheEditState.Pending = restored
	e.cacheEditState.ConsumedInFlight = nil
}

func filterVisibleCacheEdits(edits []api.CacheEdit, visibleToolResultIDs map[string]struct{}) []api.CacheEdit {
	if len(edits) == 0 {
		return nil
	}
	out := make([]api.CacheEdit, 0, len(edits))
	for _, edit := range edits {
		if _, ok := visibleToolResultIDs[edit.ToolUseID]; ok {
			out = append(out, edit)
		}
	}
	return out
}

func (e *CoreExecutionEngine) maybeCompressContext(ctx context.Context, state *AgentState) {
	if state == nil || len(state.Messages) == 0 {
		return
	}
	contextLimit := e.Config.CompressionContextLimit()
	threshold := e.Config.CompressionThreshold()
	compressionCheckMessages := state.Messages