feat: support compact and luggage relation tags

src/App.tsx

@@ -181,7 +181,7 @@ export function App() {
       setLinkFrom(null); setThreadDraft(existing); setStatus('THREAD ALREADY EXISTS · EDITING TAG')
       return
     }
-    setThreadDraft({ id: uid('connection'), fromEvidenceId: linkFrom, toEvidenceId: targetId, tightness: 65 })
+    setThreadDraft({ id: uid('connection'), fromEvidenceId: linkFrom, toEvidenceId: targetId, tightness: 65, tagStyle: 'luggage' })
     setLinkFrom(null)
     if (caseState.evidence.some(item => item.id === targetId)) setSelected(targetId)
   }
@@ -517,7 +517,7 @@ function Board({ state, selected, linkFrom, recentlyCreatedExhibitId, recentlyCr
         {state.connections.map(connection => { const p1 = pointForId(connection.fromEvidenceId), p2 = pointForId(connection.toEvidenceId); if (!p1 || !p2) return null; return <g className={recentlyCreatedConnectionId === connection.id ? 'tightening' : ''} key={connection.id}><path d={threadCurve(p1, p2, connection.tightness).path}/><circle cx={p1.x} cy={p1.y} r="4"/><circle cx={p2.x} cy={p2.y} r="4"/></g> })}
         {previewOrigin && threadPointer && <g className="thread-preview"><path d={threadCurve(previewOrigin, threadPointer, 35).path}/><circle cx={previewOrigin.x} cy={previewOrigin.y} r="4"/><circle cx={threadPointer.x} cy={threadPointer.y} r="3"/></g>}
       </svg>
-      {state.connections.map(connection => { const p1 = pointForId(connection.fromEvidenceId), p2 = pointForId(connection.toEvidenceId); if (!p1 || !p2) return null; const midpoint = threadCurve(p1, p2, connection.tightness).midpoint; const expanded = expandedThreadTagId === connection.id; return <button key={`tag:${connection.id}`} aria-expanded={connection.label ? expanded : undefined} aria-label={connection.label ? `Relation tag: ${connection.label}` : 'Edit untagged red thread'} className={`thread-tag ${connection.label ? 'labelled luggage-tag' : 'untagged'} ${expanded ? 'expanded' : ''}`} style={{ left: midpoint.x, top: midpoint.y }} title={connection.label ? expanded ? 'Click again to edit this thread' : 'Rotate relation tag to read' : 'Edit thread tag and tightness'} onPointerDown={event => event.stopPropagation()} onClick={event => { event.stopPropagation(); if (!connection.label || expanded) onEditConnection(connection); else setExpandedThreadTagId(connection.id) }}><i/>{connection.label && <span className="thread-tag-content"><small>RELATION TAG</small><b>{connection.label}</b>{expanded && <em>CLICK AGAIN TO EDIT THREAD</em>}</span>}</button> })}
+      {state.connections.map(connection => { const p1 = pointForId(connection.fromEvidenceId), p2 = pointForId(connection.toEvidenceId); if (!p1 || !p2) return null; const midpoint = threadCurve(p1, p2, connection.tightness).midpoint; const compact = connection.tagStyle === 'compact'; const expanded = !compact && expandedThreadTagId === connection.id; return <button key={`tag:${connection.id}`} aria-expanded={connection.label && !compact ? expanded : undefined} aria-label={connection.label ? `Relation tag: ${connection.label}` : 'Edit untagged red thread'} className={`thread-tag ${connection.label ? `labelled ${compact ? 'compact' : 'luggage luggage-tag'}` : 'untagged'} ${expanded ? 'expanded' : ''}`} style={{ left: midpoint.x, top: midpoint.y }} title={connection.label ? compact ? 'Edit compact relation tag' : expanded ? 'Click again to edit this thread' : 'Rotate relation tag to read' : 'Edit thread tag and tightness'} onPointerDown={event => event.stopPropagation()} onClick={event => { event.stopPropagation(); if (!connection.label || compact || expanded) { setExpandedThreadTagId(null); onEditConnection(connection) } else setExpandedThreadTagId(connection.id) }}><i/>{connection.label && (compact ? <span className="thread-tag-compact-label">{connection.label}</span> : <span className="thread-tag-content"><small>RELATION TAG</small><b>{connection.label}</b>{expanded && <em>CLICK AGAIN TO EDIT THREAD</em>}</span>)}</button> })}
       <svg className="event-support-lines" width={BOARD_W} height={BOARD_H}>
         {state.evidence.filter(event => event.type === 'event').flatMap(event => (event.supportingEvidenceIds || []).flatMap(evidenceId => {
           const evidence = byId.get(evidenceId)
@@ -637,12 +637,14 @@ function TimelineRangeEditor({ range, dates, onClose, onSave }: { range?: Timeli
 function ThreadEditor({ connection, sourceName, targetName, isNew, onClose, onSave, onRemove }: { connection: Connection; sourceName: string; targetName: string; isNew: boolean; onClose: () => void; onSave: (connection: Connection) => void; onRemove: () => void }) {
   const [label, setLabel] = useState(connection.label || '')
   const [tightness, setTightness] = useState(connection.tightness ?? 65)
-  const save = (tag = label) => onSave({ ...connection, label: tag.trim() || undefined, tightness })
+  const [tagStyle, setTagStyle] = useState<'luggage' | 'compact'>(connection.tagStyle === 'compact' ? 'compact' : 'luggage')
+  const save = (tag = label) => onSave({ ...connection, label: tag.trim() || undefined, tightness, tagStyle })
   return <div className="modal-shade"><form className="window thread-editor" onSubmit={event => { event.preventDefault(); save() }}>
     <header><Link2 size={16}/><b>{isNew ? 'Add relation tag' : 'Edit red thread'}</b><span/><button type="button" aria-label="Close thread editor" onClick={onClose}><X size={14}/></button></header>
     <div><small>RED THREAD · INVESTIGATOR RELATION</small><div className="thread-endpoints"><b>{sourceName}</b><i/><b>{targetName}</b></div>
       <p>What does this connection mean? Add a short tag if the thread represents a specific claim.</p>
       <label className="field"><span>RELATION TAG · OPTIONAL</span><input aria-label="Thread tag" autoFocus placeholder="e.g. Proof Elias is the driver" value={label} onChange={event => setLabel(event.target.value)}/></label>
+      <fieldset className="tag-style-picker"><legend>TAG PRESENTATION</legend><label className={tagStyle === 'luggage' ? 'selected' : ''}><input type="radio" name="tag-style" value="luggage" checked={tagStyle === 'luggage'} onChange={() => setTagStyle('luggage')}/><span className="tag-style-luggage"><i/>LUGGAGE</span><small>Expressive · rotates to read</small></label><label className={tagStyle === 'compact' ? 'selected' : ''}><input type="radio" name="tag-style" value="compact" checked={tagStyle === 'compact'} onChange={() => setTagStyle('compact')}/><span className="tag-style-compact"><i/>COMPACT</span><small>Quiet · less board clutter</small></label></fieldset>
       <label className="field thread-tightness"><span>THREAD TIGHTNESS <output>{tightness}%</output></span><input aria-label="Thread tightness" type="range" min="0" max="100" step="5" value={tightness} onChange={event => setTightness(Number(event.target.value))}/><small><span>SLACK</span><span>TAUT</span></small></label>
       <div className="folder-editor-actions">{!isNew && <button className="danger" type="button" onClick={onRemove}>REMOVE THREAD</button>}<span/>{isNew && <button type="button" onClick={() => save('')}>SKIP TAG</button>}<button className="primary" type="submit">{isNew ? 'ADD TAG & TIGHTEN' : 'SAVE THREAD'}</button></div>
     </div>