feat: implements identityRequestProcessor to internal/llminternal

agent/llmagent/llmagent_test.go

@@ -36,7 +36,7 @@ import (
 	"google.golang.org/adk/tool/functiontool"
 )
 
-const modelName = "gemini-2.0-flash"
+const modelName = "gemini-2.5-flash"
 
 //go:generate go test -httprecord=Test
 
@@ -696,7 +696,13 @@ func TestInstructionProvider(t *testing.T) {
 						genai.NewContentFromText("user input", genai.RoleUser),
 					},
 					Config: &genai.GenerateContentConfig{
-						SystemInstruction: genai.NewContentFromText("instruction custom_value test", genai.RoleUser),
+						SystemInstruction: &genai.Content{
+							Parts: []*genai.Part{
+								genai.NewPartFromText("instruction custom_value test"),
+								genai.NewPartFromText(`You are an agent. Your internal name is "test_agent".`),
+							},
+							Role: genai.RoleUser,
+						},
 					},
 				},
 			},
@@ -723,7 +729,13 @@ func TestInstructionProvider(t *testing.T) {
 						genai.NewContentFromText("user input", genai.RoleUser),
 					},
 					Config: &genai.GenerateContentConfig{
-						SystemInstruction: genai.NewContentFromText("instruction provider template {var} not evaluated", genai.RoleUser),
+						SystemInstruction: &genai.Content{
+							Parts: []*genai.Part{
+								genai.NewPartFromText("instruction provider template {var} not evaluated"),
+								genai.NewPartFromText(`You are an agent. Your internal name is "test_agent".`),
+							},
+							Role: genai.RoleUser,
+						},
 					},
 				},
 			},
@@ -750,7 +762,13 @@ func TestInstructionProvider(t *testing.T) {
 						genai.NewContentFromText("user input", genai.RoleUser),
 					},
 					Config: &genai.GenerateContentConfig{
-						SystemInstruction: genai.NewContentFromText("global instruction provider template {var} not evaluated", genai.RoleUser),
+						SystemInstruction: &genai.Content{
+							Parts: []*genai.Part{
+								genai.NewPartFromText("global instruction provider template {var} not evaluated"),
+								genai.NewPartFromText(`You are an agent. Your internal name is "test_agent".`),
+							},
+							Role: genai.RoleUser,
+						},
 					},
 				},
 			},
@@ -783,6 +801,7 @@ func TestInstructionProvider(t *testing.T) {
 							Parts: []*genai.Part{
 								genai.NewPartFromText("global instruction provider {var}"),
 								genai.NewPartFromText("instruction provider {var}"),
+								genai.NewPartFromText(`You are an agent. Your internal name is "test_agent".`),
 							},
 							Role: genai.RoleUser,
 						},

agent/llmagent/testdata/TestFunctionTool.httprr

@@ -1,12 +1,12 @@
 httprr trace v1
-824 1140
-POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent HTTP/1.1
+931 1140
+POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent HTTP/1.1
 Host: generativelanguage.googleapis.com
 User-Agent: Go-http-client/1.1
-Content-Length: 592
+Content-Length: 699
 Content-Type: application/json
 
-{"contents":[{"parts":[{"text":"what is the sum of 1 + 2?"}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"output ONLY the result computed by the provided function"}],"role":"user"},"tools":[{"functionDeclarations":[{"description":"computes the sum of two numbers","name":"sum","parametersJsonSchema":{"additionalProperties":false,"properties":{"a":{"type":"integer"},"b":{"type":"integer"}},"required":["a","b"],"type":"object"},"responseJsonSchema":{"additionalProperties":false,"properties":{"sum":{"type":"integer"}},"required":["sum"],"type":"object"}}]}]}HTTP/2.0 200 OK
+{"contents":[{"parts":[{"text":"what is the sum of 1 + 2?"}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"output ONLY the result computed by the provided function"},{"text":"You are an agent. Your internal name is \"agent\". The description about you is \"math agent\"."}],"role":"user"},"tools":[{"functionDeclarations":[{"description":"computes the sum of two numbers","name":"sum","parametersJsonSchema":{"additionalProperties":false,"properties":{"a":{"type":"integer"},"b":{"type":"integer"}},"required":["a","b"],"type":"object"},"responseJsonSchema":{"additionalProperties":false,"properties":{"sum":{"type":"integer"}},"required":["sum"],"type":"object"}}]}]}HTTP/2.0 200 OK
 Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Content-Type: application/json; charset=UTF-8
 Date: Fri, 05 Sep 2025 16:15:32 GMT
@@ -60,14 +60,14 @@ X-Xss-Protection: 0
   "modelVersion": "gemini-2.0-flash",
   "responseId": "pAy7aJbkIe2m1MkPgbz0iAo"
 }
-987 1007
-POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent HTTP/1.1
+1094 1007
+POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent HTTP/1.1
 Host: generativelanguage.googleapis.com
 User-Agent: Go-http-client/1.1
-Content-Length: 755
+Content-Length: 862
 Content-Type: application/json
 
-{"contents":[{"parts":[{"text":"what is the sum of 1 + 2?"}],"role":"user"},{"parts":[{"functionCall":{"args":{"a":1,"b":2},"name":"sum"}}],"role":"model"},{"parts":[{"functionResponse":{"name":"sum","response":{"sum":3}}}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"output ONLY the result computed by the provided function"}],"role":"user"},"tools":[{"functionDeclarations":[{"description":"computes the sum of two numbers","name":"sum","parametersJsonSchema":{"additionalProperties":false,"properties":{"a":{"type":"integer"},"b":{"type":"integer"}},"required":["a","b"],"type":"object"},"responseJsonSchema":{"additionalProperties":false,"properties":{"sum":{"type":"integer"}},"required":["sum"],"type":"object"}}]}]}HTTP/2.0 200 OK
+{"contents":[{"parts":[{"text":"what is the sum of 1 + 2?"}],"role":"user"},{"parts":[{"functionCall":{"args":{"a":1,"b":2},"name":"sum"}}],"role":"model"},{"parts":[{"functionResponse":{"name":"sum","response":{"sum":3}}}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"output ONLY the result computed by the provided function"},{"text":"You are an agent. Your internal name is \"agent\". The description about you is \"math agent\"."}],"role":"user"},"tools":[{"functionDeclarations":[{"description":"computes the sum of two numbers","name":"sum","parametersJsonSchema":{"additionalProperties":false,"properties":{"a":{"type":"integer"},"b":{"type":"integer"}},"required":["a","b"],"type":"object"},"responseJsonSchema":{"additionalProperties":false,"properties":{"sum":{"type":"integer"}},"required":["sum"],"type":"object"}}]}]}HTTP/2.0 200 OK
 Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Content-Type: application/json; charset=UTF-8
 Date: Fri, 05 Sep 2025 16:15:33 GMT

agent/llmagent/testdata/TestLLMAgentStreamingModeSSE.httprr

@@ -1,12 +1,12 @@
 httprr trace v1
-537 8297
+656 8297
 POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:streamGenerateContent?alt=sse HTTP/1.1
 Host: generativelanguage.googleapis.com
 User-Agent: Go-http-client/1.1
-Content-Length: 291
+Content-Length: 410
 Content-Type: application/json
 
-{"contents":[{"parts":[{"text":"What is the sum of the first 50 prime numbers?"}],"role":"user"}],"generationConfig":{"thinkingConfig":{"includeThoughts":true}},"systemInstruction":{"parts":[{"text":"Think deep. Always double check the answer before making the conclusion."}],"role":"user"}}HTTP/2.0 200 OK
+{"contents":[{"parts":[{"text":"What is the sum of the first 50 prime numbers?"}],"role":"user"}],"generationConfig":{"thinkingConfig":{"includeThoughts":true}},"systemInstruction":{"parts":[{"text":"Think deep. Always double check the answer before making the conclusion."},{"text":"You are an agent. Your internal name is \"calculator\". The description about you is \"calculating agent\"."}],"role":"user"}}HTTP/2.0 200 OK
 Connection: close
 Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
 Content-Disposition: attachment

agent/llmagent/testdata/TestLLMAgent_healthy_backend.httprr

@@ -1,12 +1,12 @@
 httprr trace v1
-508 945
-POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent HTTP/1.1
+634 945
+POST https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent HTTP/1.1
 Host: generativelanguage.googleapis.com
 User-Agent: Go-http-client/1.1
-Content-Length: 276
+Content-Length: 402
 Content-Type: application/json
 
-{"contents":[{"parts":[{"text":"Handle the requests as specified in the System Instruction."}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"Answer as precisely as possible."},{"text":"Roll the dice and report only the result."}],"role":"user"}}HTTP/2.0 200 OK
+{"contents":[{"parts":[{"text":"Handle the requests as specified in the System Instruction."}],"role":"user"}],"generationConfig":{},"systemInstruction":{"parts":[{"text":"Answer as precisely as possible."},{"text":"Roll the dice and report only the result."},{"text":"You are an agent. Your internal name is \"hello_world_agent\". The description about you is \"hello world agent\"."}],"role":"user"}}HTTP/2.0 200 OK
 Content-Type: application/json; charset=UTF-8
 Date: Mon, 29 Sep 2025 08:03:49 GMT
 Server: scaffolding on HTTPServer2