fix: fix inconsistencies in sample paper content and naming

Merge https://github.com/google/adk-python/pull/6654

Add a second paper for contrasting purposes and update references and display names to Gemini instead of Gemma.

Fixes #6651

PiperOrigin-RevId: 962264486

contributing/samples/multimodal/static_non_text_content/README.md

@@ -22,8 +22,8 @@ The agent includes:
 3\. **Contributing guide**: A sample document uploaded to Gemini Files API and referenced via file_data
 
 **Vertex AI:**
-3\. **Research paper**: Gemma research paper from Google Cloud Storage via GCS file reference
-4\. **AI research paper**: Same research paper accessed via HTTPS URL for comparison
+3\. **Research paper**: Gemini research paper from Google Cloud Storage via GCS file reference
+4\. **AI research paper**: Another Gemini research paper accessed via HTTPS URL for comparison
 
 ## Content Used
 
@@ -40,14 +40,14 @@ The agent includes:
 
 **Vertex AI:**
 
-- **Gemma Research Paper**: Research paper accessed via GCS URI (as `file_data`)
-  - GCS URI: `gs://cloud-samples-data/generative-ai/pdf/2403.05530.pdf`
+- **Gemini Research Paper**: Research paper accessed via GCS URI (as `file_data`)
+  - GCS URI: `gs://cloud-samples-data/generative-ai/pdf/2507.06261.pdf`
   - Demonstrates native GCS file access in Vertex AI
   - PDF format with technical AI research content about Gemini 1.5
-- **AI Research Paper**: Same research paper accessed via HTTPS URL (as `file_data`)
+- **AI Research Paper**: Another research paper accessed via HTTPS URL (as `file_data`)
   - HTTPS URL: `https://storage.googleapis.com/cloud-samples-data/generative-ai/pdf/2403.05530.pdf`
   - Demonstrates HTTPS file access in Vertex AI
-  - Agent can discover these are the same document and compare access methods
+  - Agent can compare documents and selectively provide information from different documents
 
 ## Setup
 
@@ -103,7 +103,7 @@ python -m static_non_text_content.main --prompt "What reference materials do you
 
 ```bash
 cd contributing/samples
-python -m static_non_text_content.main --debug --prompt "What is the Gemma research paper about?"
+python -m static_non_text_content.main --debug --prompt "What is the Gemini research paper about?"
 ```
 
 ## Default Test Prompts
@@ -120,7 +120,7 @@ The sample automatically runs test prompts when no `--prompt` is specified:
 4\. "What does the contributing guide document say about best practices?"
 
 **Vertex AI only (additional prompts):**
-5\. "What is the Gemma research paper about and what are its key contributions?"
+5\. "What is the Gemini research paper about and what are its key contributions?"
 6\. "Can you compare the research papers you have access to? Are they related or different?"
 
 **Gemini Developer API** tests: `inline_data` (image) + Files API `file_data` (uploaded document)

contributing/samples/multimodal/static_non_text_content/agent.py

@@ -82,10 +82,10 @@ def create_static_instruction_with_file_upload():
         types.Part(
             file_data=types.FileData(
                 file_uri=(
-                    "gs://cloud-samples-data/generative-ai/pdf/2403.05530.pdf"
+                    "gs://cloud-samples-data/generative-ai/pdf/2507.06261.pdf"
                 ),
                 mime_type="application/pdf",
-                display_name="Gemma Research Paper",
+                display_name="Gemini Research Paper",
             )
         )
     )
@@ -96,14 +96,14 @@ def create_static_instruction_with_file_upload():
             file_data=types.FileData(
                 file_uri="https://storage.googleapis.com/cloud-samples-data/generative-ai/pdf/2403.05530.pdf",
                 mime_type="application/pdf",
-                display_name="AI Research Paper (HTTPS)",
+                display_name="Gemini Research Paper (HTTPS)",
             )
         )
     )
 
     additional_text = (
-        " You also have access to a Gemma research paper from GCS"
-        " and an AI research paper from HTTPS URL."
+        " You also have access to a Gemini research paper from GCS"
+        " and another Gemini research paper from HTTPS URL."
     )
 
   else:
@@ -187,8 +187,8 @@ def create_static_instruction_with_file_upload():
     instruction_text = """
 When users ask questions, you should:
 1. Use the reference chart above to provide context when discussing visual data or charts
-2. Reference the Gemma research paper (from GCS) when discussing AI research, model architectures, or technical details
-3. Reference the AI research paper (from HTTPS) when discussing research topics
+2. Reference the Gemini research paper (from GCS) when discussing AI research, model architectures, or technical details
+3. Reference the other Gemini research paper (from HTTPS) when discussing research topics
 4. Be helpful and informative in your responses
 5. Explain how the provided reference materials relate to their questions"""
   else: