chore: import upstream snapshot with attribution

examples/integration-sharepoint/README.md

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+# integration-sharepoint (SharePoint Integration Example)
+
+This example demonstrates how to use promptfoo with Microsoft SharePoint to import test cases from CSV files stored in SharePoint.
+
+## Prerequisites
+
+1. Azure AD Application with certificate-based authentication
+2. SharePoint site with appropriate permissions
+3. Certificate PEM file containing both private key and certificate
+
+## Setup
+
+1. **Copy the environment variables template:**
+
+   ```bash
+   cp .env.example .env
+   ```
+
+2. **Fill in your SharePoint credentials in `.env`:**
+   - `SHAREPOINT_CLIENT_ID` - Your Azure AD application client ID
+   - `SHAREPOINT_TENANT_ID` - Your Azure AD tenant ID
+   - `SHAREPOINT_CERT_PATH` - Path to your certificate PEM file
+   - `SHAREPOINT_BASE_URL` - Your SharePoint base URL
+
+3. **Ensure your CSV file is in SharePoint** with the following format:
+
+   ```csv
+   language,input,__expected
+   French,Hello world,icontains: bonjour
+   German,I'm hungry,llm-rubric: is german
+   Swahili,Hello world,similar(0.8):hello world
+   ```
+
+4. **Update `promptfooconfig.yaml`** with your SharePoint URL:
+   ```yaml
+   tests: https://yourcompany.sharepoint.com/sites/yoursite/Shared%20Documents/test-cases.csv
+   ```
+
+## Running the Example
+
+```bash
+# Install dependencies
+npm install
+
+# Scaffold the example
+npx promptfoo@latest init --example integration-sharepoint
+
+# Run the eval
+npx promptfoo eval
+```

examples/integration-sharepoint/promptfooconfig.yaml

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+# yaml-language-server: $schema=https://promptfoo.dev/config-schema.json
+
+description: 'SharePoint CSV Import Example'
+
+prompts:
+  - 'Please translate the following text to {{language}}: {{input}}'
+
+providers:
+  - openai:chat:gpt-5.4
+  - openai:chat:gpt-5.4-mini
+  - anthropic:messages:claude-sonnet-4-6
+
+# Replace with your SharePoint URL to the CSV file
+tests: https://yourcompany.sharepoint.com/sites/yoursite/Shared%20Documents/test-cases.csv
+# Optional: Override the LLM grader for model-graded metrics
+# defaultTest:
+#   options:
+#     provider:
+#       text:
+#         id: openai:chat:gpt-5.4-mini