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stats: per-bucket turns-by-model chart

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each turn_stats row already records the model; roll it up per bucket
so the /stats page can show which model ran when. model choice
greatly affects token cost, so the new stacked-bar chart sits right
under the cost chart for eyeball correlation across the window.

Snapshot gains a sorted `models` series list; each Bucket carries a
`model_counts` map.
This commit is contained in:
müde 2026-05-20 10:58:14 +02:00
parent 24b10becc9
commit f13c3dff8f
3 changed files with 71 additions and 9 deletions
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30
hive-ag3nt/assets/stats.js
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@ -226,6 +226,34 @@
});
}
function renderModelChart(s) {
const id = 'chart-model';
destroy(id);
const models = s.models || [];
if (!models.length) { paintEmpty(id, 'no turns in window'); return; }
const labels = s.buckets.map((b) => bucketLabel(b.ts, s.bucket_seconds));
// One stacked series per model. Model choice drives token cost,
// so this lines up against the cost chart above it.
const datasets = models.map((m, i) => ({
label: m,
data: s.buckets.map((b) => (b.model_counts && b.model_counts[m]) || 0),
backgroundColor: wheel[i % wheel.length],
}));
charts[id] = new Chart(document.getElementById(id), {
type: 'bar',
data: { labels, datasets },
options: {
responsive: true, maintainAspectRatio: false,
plugins: { legend: { position: 'top', labels: { boxWidth: 12 } } },
scales: {
x: { stacked: true, grid: { color: palette.border } },
y: { stacked: true, beginAtZero: true,
grid: { color: palette.border }, ticks: { precision: 0 } },
},
},
});
}
function renderKeyCount(canvasId, items, emptyMsg) {
destroy(canvasId);
if (!items || items.length === 0) {
@ -252,6 +280,7 @@
paintEmpty('chart-duration', 'no turns in window');
paintEmpty('chart-ctx', 'no turns in window');
paintEmpty('chart-cost', 'no turns in window');
paintEmpty('chart-model', 'no turns in window');
paintEmpty('chart-tools', 'no tool calls');
paintEmpty('chart-wake', 'no wakes');
paintEmpty('chart-result', 'no results');
@ -261,6 +290,7 @@
renderDurationChart(s);
renderCtxChart(s);
renderCostChart(s);
renderModelChart(s);
renderKeyCount('chart-tools', s.tool_breakdown, 'no tool calls');
renderKeyCount('chart-wake', s.wake_mix, 'no wakes');
renderKeyCount('chart-result', s.result_mix, 'no results');