refactored: to utilise the google adk and production grade agent

app/adk/__init__.py

@@ -0,0 +1,31 @@
+"""ADK package for GCP Solution Architecture Agent."""
+
+from .agents import (
+    ArchitectureDesignAgent,
+    DiscoveryAgent,
+    OrchestratorLoopAgent,
+    PackagingAgent,
+    ValidationReviewAgent,
+    build_adk_multi_agent_system,
+)
+from .artifacts import PostgresArtifactRepository
+from .evaluation import ADKEvaluator
+from .runners import ADKAgentRunner
+from .sessions import PostgresSessionService
+from .tools import ADK_TOOLS
+from .workflows import create_gcp_adk_workflow
+
+__all__ = [
+    "DiscoveryAgent",
+    "ArchitectureDesignAgent",
+    "ValidationReviewAgent",
+    "PackagingAgent",
+    "OrchestratorLoopAgent",
+    "build_adk_multi_agent_system",
+    "PostgresArtifactRepository",
+    "PostgresSessionService",
+    "ADKAgentRunner",
+    "ADKEvaluator",
+    "ADK_TOOLS",
+    "create_gcp_adk_workflow",
+]