feat(discord): add document caching and text-file injection - #2503
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- Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR #784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack).
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outsourc-e
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Mar 26, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
angelburgosrosado
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Apr 27, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
02356abc
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May 14, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
gweeteve
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Jun 2, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
waefrebeorn
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Jul 2, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
melon-xf
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Sep 3, 2026
…arch#2503) - Download and cache .pdf, .docx, .xlsx, .pptx attachments locally instead of passing expiring CDN URLs to the agent - Inject .txt and .md content (≤100 KB) into event.text so the agent sees file content without needing to fetch the URL - Add 20 MB size guard and SUPPORTED_DOCUMENT_TYPES allowlist - Fix: unsupported types (.zip etc.) no longer get MessageType.DOCUMENT - Add 9 unit tests in test_discord_document_handling.py Mirrors the Slack implementation from PR NousResearch#784. Discord CDN URLs are publicly accessible so no auth header is needed (unlike Slack). Co-authored-by: Dilee <uzmpsk.dilekakbas@gmail.com>
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Summary
Brings Discord's document handling in line with Telegram, Slack, Signal, Mattermost, and Email adapters. Discord was the only platform still passing expiring CDN URLs through instead of caching documents locally.
What changed
Cherry-picked from PR #2408 by @dlkakbs with authorship preserved.
Test plan