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Merged
jeff-r2026 merged 1 commit into from
Jul 2, 2026
Merged

feat(stats): show session metrics in teamai stats #122

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123 changes: 102 additions & 21 deletions src/stats.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,10 @@ import path from 'node:path';
import { readUsageEvents } from './usage-tracker.js';
import { readFileSafe } from './utils/fs.js';
import { loadLocalConfig, detectProjectConfig } from './config.js';
import type { UsageEvent, UserStats } from './types.js';
import { readEvents, aggregateSessionMetrics } from './dashboard-collector.js';
import { totalTokens, addTokenUsage, emptyTokenUsage } from './types.js';
import { formatTokenCount } from './digest.js';
import type { UsageEvent, UserStats, TokenUsage, SessionMetrics } from './types.js';

interface SkillStats {
name: string;
Expand Down Expand Up @@ -108,41 +111,119 @@ function formatRelativeTime(date: Date): string {
return date.toISOString().slice(0, 10);
}

interface AggregatedDashboardStats {
sessions: number;
prompts: number;
tokens: TokenUsage;
interrupt: number;
toolReject: number;
correction: number;
}

function aggregateDashboardStats(metrics: Map<string, SessionMetrics>): AggregatedDashboardStats {
let prompts = 0, interrupt = 0, toolReject = 0, correction = 0;
let tokens = emptyTokenUsage();
for (const m of metrics.values()) {
prompts += m.prompts;
interrupt += m.interrupt;
toolReject += m.toolReject;
correction += m.correction;
tokens = addTokenUsage(tokens, m.tokens);
}
return { sessions: metrics.size, prompts, tokens, interrupt, toolReject, correction };
}

function mergeDashboardAndReported(
local: AggregatedDashboardStats,
reported: UserStats | null,
): AggregatedDashboardStats {
const merged = { ...local };
if (reported?.interventions) {
merged.sessions += reported.interventions.sessions;
merged.interrupt += reported.interventions.interrupt;
merged.toolReject += reported.interventions.toolReject;
merged.correction += reported.interventions.correction;
}
if (reported?.prompts) merged.prompts += reported.prompts;
if (reported?.tokens) merged.tokens = addTokenUsage(merged.tokens, reported.tokens);
return merged;
}

/**
* CLI: Show skill usage statistics.
* CLI: Show skill usage and session/token statistics.
* Merges local unreported events with reported team stats for a complete view.
*/
export async function showStats(): Promise<void> {
const events = await readUsageEvents();
const localStats = aggregateUsage(events);
const reported = await loadReportedStats();

const stats = mergeLocalAndReported(localStats, reported);

if (stats.length === 0) {
console.log('No skill usage data yet.');
console.log('Usage tracking starts automatically via PostToolUse hook.');
const dashboardEvents = await readEvents();
const metricsMap = aggregateSessionMetrics(dashboardEvents);
const localDashboard = aggregateDashboardStats(metricsMap);
const dashboard = mergeDashboardAndReported(localDashboard, reported);
const hasDashboardData =
dashboard.sessions > 0 || dashboard.prompts > 0 || totalTokens(dashboard.tokens) > 0;

if (stats.length === 0 && !hasDashboardData) {
console.log('No usage data yet.');
console.log('Usage tracking starts automatically via hooks.');
return;
}

console.log('');
console.log('Skill Usage Statistics:');
console.log('');
// ─── Skill usage section ───
if (stats.length > 0) {
console.log('');
console.log('Skill Usage Statistics:');
console.log('');

const maxNameLen = Math.max(...stats.map((s) => s.name.length), 4);
const maxCountLen = Math.max(...stats.map((s) => String(s.count).length), 4);

const maxNameLen = Math.max(...stats.map((s) => s.name.length), 4);
const maxCountLen = Math.max(...stats.map((s) => String(s.count).length), 4);
for (const stat of stats) {
const name = stat.name.padEnd(maxNameLen);
const count = String(stat.count).padStart(maxCountLen);
const recency = formatRelativeTime(stat.lastUsed);
console.log(` ${name} ${count} uses last: ${recency}`);
}

for (const stat of stats) {
const name = stat.name.padEnd(maxNameLen);
const count = String(stat.count).padStart(maxCountLen);
const recency = formatRelativeTime(stat.lastUsed);
console.log(` ${name} ${count} uses last: ${recency}`);
const totalEvents = stats.reduce((sum, s) => sum + s.count, 0);
console.log('');
console.log(`Total: ${totalEvents} events across ${stats.length} skill(s)`);
if (events.length > 0) {
console.log(` (${events.length} pending upload)`);
}
}

const totalEvents = stats.reduce((sum, s) => sum + s.count, 0);
console.log('');
console.log(`Total: ${totalEvents} events across ${stats.length} skill(s)`);
if (events.length > 0) {
console.log(` (${events.length} pending upload)`);
// ─── Session & usage section ───
if (hasDashboardData) {
console.log('');
console.log('Session & Usage Statistics:');
console.log('');
console.log(` Sessions: ${dashboard.sessions}`);
console.log(` Conversation turns: ${dashboard.prompts}`);

const total = totalTokens(dashboard.tokens);
if (total > 0) {
console.log(` Tokens (total): ${formatTokenCount(total)}`);
console.log(` Input: ${formatTokenCount(dashboard.tokens.input)}`);
console.log(` Output: ${formatTokenCount(dashboard.tokens.output)}`);
if (dashboard.tokens.cacheRead > 0) {
console.log(` Cache read: ${formatTokenCount(dashboard.tokens.cacheRead)}`);
}
if (dashboard.tokens.cacheCreation > 0) {
console.log(` Cache creation: ${formatTokenCount(dashboard.tokens.cacheCreation)}`);
}
}

const totalInterventions = dashboard.interrupt + dashboard.toolReject + dashboard.correction;
if (totalInterventions > 0) {
console.log('');
console.log(` Interventions: ${totalInterventions}`);
if (dashboard.interrupt > 0) console.log(` Interrupts: ${dashboard.interrupt}`);
if (dashboard.toolReject > 0) console.log(` Tool rejects: ${dashboard.toolReject}`);
if (dashboard.correction > 0) console.log(` Corrections: ${dashboard.correction}`);
}
}
}
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