feat(attachments): pre-submit cost preview for images and PDFs [GET-24]#56

Merged

DevanshuNEU merged 7 commits into

OpenCodeIntel:mainfrom

DevanshuNEU:feat/lco-24-attachment-cost-preview

Apr 28, 2026

Commits on Apr 26, 2026

docs(attachments): pin Anthropic image+PDF formulas as drift source [GET-24]
DevanshuNEU
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feat(lib): attachment-cost agent + PDF page-count parser [GET-24]
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feat(pre-submit): accept attachment tokens, breakdown, warnings [GET-24]
DevanshuNEU
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feat(content): track attachments via file-input change events [GET-24]
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feat(overlay): render attachment breakdown, range, hard warnings [GET-24]
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fix(content): document-level file-change listener + unknown-PDF fallback [GET-24]
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feat(coach): context-overrun + request-size warnings; context % preview [GET-24]
DevanshuNEU
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