flowchart LR
    A[Raw Grounded Response] --> B{Provider Parser}
    B -->|Google Gemini| C[Parse groundingChunks & supports]
    B -->|OpenAI GPT| D[Parse web_search_call & annotations]
    B -->|Anthropic Claude| E[Parse web_search_tool_result & citations]
    C --> F[Resolve Redirects]
    D --> G[Tag Selected vs Unselected]
    E --> G
    F --> G
    G --> H[Normalized Citation Output]