centdix e44504c6e9 feat: add PDF input support to AI agent (#8525) ...

* feat: add PDF input support to AI agent with user_attachments field

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* test: add integration tests for PDF input and backward compat

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: add ContentPart::File variant for PDF support across all providers

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* refactor: address review feedback on PDF support

- Extract parse_data_url_bytes and mime_to_document_format helpers in Bedrock
- Add is_document_mime helper in ai_types for centralized MIME routing
- Extract s3_object_to_content_part helper to deduplicate image_handler/openai
- Rename AnthropicImageSource to AnthropicBase64Source
- Derive Bedrock DocumentFormat from MIME type instead of hardcoding Pdf

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: merge user message and attachments into single message for Bedrock

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-26 13:55:10 +00:00

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