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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697/** * formatSummary — render `SectionData` to the cache-friendly section doc * (pi-vcc core/format, verbatim port; ARCH §11, saga gy5n0k.5). * * Stable (merged/accumulated) sections come first so the prompt prefix stays cacheable * across compactions; volatile (always-fresh) sections come last. The brief transcript * follows the `---` separator, capped by `capBrief`. Long lines are wrapped for the TUI. * * Pure + deterministic. Consumes the named `SectionData` shipped in gy5n0k.4 by field name. */import type { SectionData } from '@/contracts/compactor';
const section = (title: string, items?: string[]): string => { if (!items || items.length === 0) return ''; const body = items.map((i) => `- ${i}`).join('\n'); return `[${title}]\n${body}`;};
const BRIEF_MAX_LINES = 120;const TUI_SAFE_LINE_CHARS = 120;
const wrapLine = (line: string, maxChars: number): string[] => { if (line.length <= maxChars) return [line];
const indent = line.match(/^\s*(?:[-*]\s+|\d+\.\s+)?/)?.[0] ?? ''; const continuationIndent = indent ? ' '.repeat(Math.min(indent.length, 8)) : ''; const wrapped: string[] = []; let remaining = line; let prefix = '';
while (prefix.length + remaining.length > maxChars) { const available = Math.max(20, maxChars - prefix.length); let splitAt = remaining.lastIndexOf(' ', available); if (splitAt < Math.floor(available * 0.5)) splitAt = available;
wrapped.push(prefix + remaining.slice(0, splitAt).trimEnd()); remaining = remaining.slice(splitAt).trimStart(); prefix = continuationIndent; }
if (remaining) wrapped.push(prefix + remaining); return wrapped;};
export const wrapLongLines = (text: string, maxChars = TUI_SAFE_LINE_CHARS): string => text.split('\n').flatMap((line) => wrapLine(line, maxChars)).join('\n');
export const capBrief = (text: string): string => { const lines = text.split('\n'); if (lines.length <= BRIEF_MAX_LINES) return text; const omitted = lines.length - BRIEF_MAX_LINES; const kept = lines.slice(-BRIEF_MAX_LINES); // Find first section header to avoid cutting mid-section const firstHeader = kept.findIndex((l) => /^\[.+\]/.test(l)); const clean = firstHeader > 0 ? kept.slice(firstHeader) : kept; const crumbLine = `...(${omitted} earlier lines omitted)`; return `${crumbLine}\n\n${clean.join('\n')}`;};
/** * Format the summary with cache-friendly section ordering. * * Stable (merged/accumulated) sections come first so the prompt prefix * stays cacheable across compactions. Volatile (always-fresh) sections * come last. */export const formatSummary = (data: SectionData): string => { // Cache-friendly ordering: stable first, volatile last const stableSections = [ section('Session Goal', data.sessionGoal), section('User Preferences', data.userPreferences), section('Files And Changes', data.filesAndChanges), section('Commits', data.commits), ].filter(Boolean);
const volatileSections = [ section('Type Catalog', data.typeCatalog), section('Outstanding Context', data.outstandingContext), section('Earlier Turns', data.turnSummaries), ].filter(Boolean);
// All header sections (stable + volatile) form the header block const allHeaders = [...stableSections, ...volatileSections];
const parts: string[] = []; if (allHeaders.length > 0) { parts.push(allHeaders.join('\n\n')); } if (data.briefTranscript) { parts.push(capBrief(data.briefTranscript)); }
if (parts.length === 0) return '';
return wrapLongLines(parts.join('\n\n---\n\n'));};