feat: execute durable core agent runs

Author: openai0229

Cargo.lock

@@ -9,6 +9,7 @@ license-file.workspace = true
 repository.workspace = true
 
 [dependencies]
+async-trait.workspace = true
 base64.workspace = true
 chat2db-agent = { path = "../chat2db-agent" }
 chat2db-contract = { path = "../chat2db-contract" }
@@ -23,6 +24,7 @@ tracing.workspace = true
 uuid.workspace = true
 
 [dev-dependencies]
+futures-util.workspace = true
 tempfile = "3"
 
 [[test]]