49d7d1baf2
Fills another common UI gap: the "here's an already-uploaded file"
row you see in email composers, chat attachments, and form upload
summaries. Compact horizontal layout: type-icon + filename (bold) +
optional muted size string + optional right-side × remove affordance.
Structure: horizontal frame (slate-50 bg, cornerRadius=8) with
three children:
1. attachment-icon — lucide file-* (caller picks: file / file-
text / file-image / file-video / file-audio / file-archive /
file-spreadsheet / file-code)
2. attachment-meta — vertical frame with filename + optional size
3. attachment-remove — × icon, suppressed via removable=false
Intentionally NOT embedding an upload-progress variant in v0. The
pen-core schema lacks percentage-width primitives, so a %-filled
progress bar would either need a fixed track width (brittle across
parents) or a caller-computed pixel value (awkward API). Callers
who need the uploading state compose `add_progress_bar_v0` directly
below the row — cleaner separation.
Wired through all standard points: schema into ext-1 (balanced
shards 23/23 after upload-dropzone landed there last commit) +
shim + SERVER_BUILDERS + parity CASES + contract allow-list +
elements.md decision tree + triggers + minimal usage.
Handler test covers 7 cases: registration + minimal (no size) +
size rendered + custom icon + removable=false + default icon +
bogus parent_id rejection.
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| .. | ||
| public | ||
| server | ||
| src | ||
| CLAUDE.md | ||
| components.json | ||
| dev.ts | ||
| package.json | ||
| tsconfig.json | ||
| vite.config.ts | ||