Refactor runtime executor integration and introduce eino package

- Replaced the existing runtime executor with a new eino package for better modularity.
- Updated Service struct to use the new RuntimeExecutor from eino.
- Adjusted Run and Resume methods to accommodate changes in input types and execution logic.
- Introduced new types in the eino package to align with the previous executor's functionality.
- Refactored tooling preparation logic to streamline tool definitions and improve clarity.
- Added new context builders and event consumers to enhance runtime event handling.
- Removed legacy executor code and ensured all references are updated to the new eino package.

internal/ai/application/runtime/summary_builder.go

@@ -3,10 +3,10 @@ package runtime
 import (
 	"strings"
 
-	runtimeexecutor "cs-agent/internal/ai/runtime/executor"
+	runtimeeino "cs-agent/internal/ai/infra/eino"
 )
 
-func toSummary(summary *runtimeexecutor.RunResult) *Summary {
+func toSummary(summary *runtimeeino.RunResult) *Summary {
 	if summary == nil {
 		return nil
 	}