agent-ecosystem/src/renderer/components/chat/SessionContextPanel/components/SessionContextHeader.tsx

294 lines
10 KiB
TypeScript

/**
* SessionContextHeader - Header component with title, help tooltip, and token stats.
*/
import React from 'react';
import { useAppTranslation } from '@features/localization/renderer';
import {
COLOR_BORDER,
COLOR_BORDER_SUBTLE,
COLOR_SURFACE_OVERLAY,
COLOR_TEXT,
COLOR_TEXT_MUTED,
COLOR_TEXT_SECONDARY,
} from '@renderer/constants/cssVariables';
import { formatCostUsd } from '@shared/utils/costFormatting';
import { ArrowDownWideNarrow, FileText, LayoutList, X } from 'lucide-react';
import { formatTokens } from '../utils/formatting';
import { SessionContextHelpTooltip } from './SessionContextHelpTooltip';
import type { ContextViewMode } from '../types';
import type { ContextPhaseInfo } from '@renderer/types/contextInjection';
import type { SessionMetrics } from '@shared/types';
import type { DerivedContextMetrics } from '@shared/utils/contextMetrics';
interface SessionContextHeaderProps {
injectionCount: number;
totalTokens: number;
contextMetrics?: DerivedContextMetrics;
sessionMetrics?: SessionMetrics;
subagentCostUsd?: number;
onClose?: () => void;
onViewReport?: () => void;
phaseInfo?: ContextPhaseInfo;
selectedPhase: number | null;
onPhaseChange: (phase: number | null) => void;
viewMode: ContextViewMode;
onViewModeChange: (mode: ContextViewMode) => void;
}
export const SessionContextHeader = ({
injectionCount,
totalTokens,
contextMetrics,
sessionMetrics,
subagentCostUsd,
onClose,
onViewReport,
phaseInfo,
selectedPhase,
onPhaseChange,
viewMode,
onViewModeChange,
}: Readonly<SessionContextHeaderProps>): React.ReactElement => {
const { t } = useAppTranslation('common');
const formatPercentLabel = (percent: number | null, suffix: string): string | null => {
if (percent === null) {
return null;
}
return `${percent.toFixed(1)}% ${suffix}`;
};
const renderMetricValue = (
label: string,
tokens: number | null,
percentLabel: string | null,
options?: {
approximate?: boolean;
unavailableLabel?: string;
}
): React.ReactElement => (
<div
className="flex items-center justify-between gap-3 rounded px-2 py-1.5"
style={{ backgroundColor: COLOR_SURFACE_OVERLAY }}
>
<span style={{ color: COLOR_TEXT_MUTED }}>{label}</span>
<div className="text-right">
<div className="font-medium tabular-nums" style={{ color: COLOR_TEXT_SECONDARY }}>
{tokens === null
? (options?.unavailableLabel ?? t('sessionContext.metrics.unavailable'))
: `${options?.approximate ? '~' : ''}${formatTokens(tokens)}`}
</div>
{percentLabel && (
<div className="text-[10px] tabular-nums" style={{ color: COLOR_TEXT_MUTED }}>
{percentLabel}
</div>
)}
</div>
</div>
);
const codexTelemetryUnavailable =
contextMetrics?.providerId === 'codex' && contextMetrics.promptInputSource === 'unavailable';
return (
<div className="shrink-0 px-4 py-3" style={{ borderBottom: `1px solid ${COLOR_BORDER}` }}>
{/* Title row */}
<div className="flex items-center justify-between">
<div className="flex items-center gap-2">
<FileText size={16} style={{ color: COLOR_TEXT_SECONDARY }} />
<h2 className="text-sm font-semibold" style={{ color: COLOR_TEXT }}>
{t('sessionContext.header.title')}
</h2>
<span
className="rounded px-1.5 py-0.5 text-xs"
style={{
backgroundColor: COLOR_SURFACE_OVERLAY,
color: COLOR_TEXT_SECONDARY,
}}
>
{injectionCount}
</span>
</div>
<div className="flex items-center gap-2">
<SessionContextHelpTooltip />
{onClose && (
<button
onClick={onClose}
className="rounded p-1 transition-colors hover:bg-white/10"
style={{ color: COLOR_TEXT_SECONDARY }}
aria-label={t('sessionContext.header.closePanel')}
>
<X size={16} />
</button>
)}
</div>
</div>
{/* Primary metrics */}
<div
className="mt-2 space-y-1.5 pt-2 text-xs"
style={{ borderTop: `1px solid ${COLOR_BORDER_SUBTLE}` }}
>
{renderMetricValue(
t('sessionContext.metrics.contextUsed'),
contextMetrics?.contextUsedTokens ?? null,
formatPercentLabel(
contextMetrics?.contextUsedPercentOfContextWindow ?? null,
t('sessionContext.metrics.ofContext')
)
)}
{renderMetricValue(
t('sessionContext.metrics.promptInput'),
contextMetrics?.promptInputTokens ?? null,
formatPercentLabel(
contextMetrics?.promptInputPercentOfContextWindow ?? null,
t('sessionContext.metrics.ofContext')
)
)}
{renderMetricValue(
t('sessionContext.metrics.visibleContext'),
totalTokens,
formatPercentLabel(
contextMetrics?.visibleContextPercentOfPromptInput ?? null,
t('sessionContext.metrics.ofPrompt')
),
{ approximate: true }
)}
</div>
{codexTelemetryUnavailable && (
<div
className="mt-2 rounded px-2 py-1.5 text-[10px]"
style={{
border: `1px solid ${COLOR_BORDER_SUBTLE}`,
color: COLOR_TEXT_MUTED,
}}
>
{t('sessionContext.metrics.codexTelemetryUnavailable')}
</div>
)}
{/* Session Metrics Breakdown */}
{sessionMetrics && (
<div
className="mt-2 grid grid-cols-2 gap-x-4 gap-y-1 pt-2 text-[10px]"
style={{ borderTop: `1px solid ${COLOR_BORDER_SUBTLE}` }}
>
{/* Cost */}
{sessionMetrics.costUsd !== undefined && sessionMetrics.costUsd > 0 && (
<div className="col-span-2">
<span style={{ color: COLOR_TEXT_MUTED }}>
{t('sessionContext.metrics.sessionCost')}{' '}
</span>
<span className="font-medium tabular-nums" style={{ color: COLOR_TEXT_SECONDARY }}>
{formatCostUsd(sessionMetrics.costUsd + (subagentCostUsd ?? 0))}
</span>
{subagentCostUsd !== undefined && subagentCostUsd > 0 && (
<span style={{ color: COLOR_TEXT_MUTED }}>
{' ('}
{formatCostUsd(sessionMetrics.costUsd)}
{` ${t('sessionContext.metrics.parentPlus')} `}
{formatCostUsd(subagentCostUsd)}
{` ${t('sessionContext.metrics.subagents')}`}
{onViewReport && (
<>
{' · '}
<button
onClick={onViewReport}
className="underline"
style={{ color: COLOR_TEXT_SECONDARY }}
>
{t('sessionContext.metrics.details')}
</button>
</>
)}
{')'}
</span>
)}
</div>
)}
</div>
)}
{/* Phase selector - only shown when compactions exist */}
{phaseInfo && phaseInfo.phases.length > 1 && (
<div
className="mt-2 flex flex-wrap items-center gap-1 pt-2"
style={{ borderTop: `1px solid ${COLOR_BORDER_SUBTLE}` }}
>
<span className="mr-1 text-[10px]" style={{ color: COLOR_TEXT_MUTED }}>
{t('sessionContext.header.phase')}
</span>
{phaseInfo.phases.map((phase) => (
<button
key={phase.phaseNumber}
onClick={() =>
onPhaseChange(phase.phaseNumber === selectedPhase ? null : phase.phaseNumber)
}
className="rounded px-1.5 py-0.5 text-[10px] transition-colors"
style={{
backgroundColor:
selectedPhase === phase.phaseNumber
? 'rgba(99, 102, 241, 0.2)'
: COLOR_SURFACE_OVERLAY,
color: selectedPhase === phase.phaseNumber ? '#818cf8' : COLOR_TEXT_MUTED,
}}
>
{phase.phaseNumber}
</button>
))}
<button
onClick={() => onPhaseChange(null)}
className="rounded px-1.5 py-0.5 text-[10px] transition-colors"
style={{
backgroundColor:
selectedPhase === null ? 'rgba(99, 102, 241, 0.2)' : COLOR_SURFACE_OVERLAY,
color: selectedPhase === null ? '#818cf8' : COLOR_TEXT_MUTED,
}}
>
{t('sessionContext.header.current')}
</button>
</div>
)}
{/* View mode toggle */}
<div
className="mt-2 flex items-center gap-1 pt-2"
style={{ borderTop: `1px solid ${COLOR_BORDER_SUBTLE}` }}
>
<span className="mr-1 text-[10px]" style={{ color: COLOR_TEXT_MUTED }}>
{t('sessionContext.header.view')}
</span>
<button
onClick={() => onViewModeChange('category')}
className="flex items-center gap-1 rounded px-1.5 py-0.5 text-[10px] transition-colors"
style={{
backgroundColor:
viewMode === 'category' ? 'rgba(99, 102, 241, 0.2)' : COLOR_SURFACE_OVERLAY,
color: viewMode === 'category' ? '#818cf8' : COLOR_TEXT_MUTED,
}}
>
<LayoutList size={10} />
{t('sessionContext.header.category')}
</button>
<button
onClick={() => onViewModeChange('ranked')}
className="flex items-center gap-1 rounded px-1.5 py-0.5 text-[10px] transition-colors"
style={{
backgroundColor:
viewMode === 'ranked' ? 'rgba(99, 102, 241, 0.2)' : COLOR_SURFACE_OVERLAY,
color: viewMode === 'ranked' ? '#818cf8' : COLOR_TEXT_MUTED,
}}
>
<ArrowDownWideNarrow size={10} />
{t('sessionContext.header.bySize')}
</button>
</div>
</div>
);
};