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hikari-desktop/src/lib/components/StatsDisplay.svelte
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naomi 1c45507cdf
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feat: massive overhaul to manage costs (#103)
### Explanation

_No response_

### Issue

Closes #102

### Attestations

- [ ] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [ ] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [ ] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [ ] I have pinned the dependencies to a specific patch version.

### Style

- [ ] I have run the linter and resolved any errors.
- [ ] My pull request uses an appropriate title, matching the conventional commit standards.
- [ ] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [ ] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

_No response_

### Versioning

_No response_

Reviewed-on: #103
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>
2026-02-04 19:58:43 -08:00

671 lines
17 KiB
Svelte

<script lang="ts">
import {
formattedStats,
contextWarning,
getContextWarningMessage,
stats,
checkBudget,
getBudgetStatusMessage,
getRemainingTokenBudget,
getRemainingCostBudget,
} from "$lib/stores/stats";
import { configStore } from "$lib/stores/config";
import { costTrackingStore, formattedCosts } from "$lib/stores/costTracking";
import { fade } from "svelte/transition";
import { onMount } from "svelte";
interface Props {
onRequestSummary?: () => void;
onStartFreshWithContext?: () => void;
isSummarising?: boolean;
}
let { onRequestSummary, onStartFreshWithContext, isSummarising = false }: Props = $props();
let showToolsBreakdown = $state(false);
let showHistoricalCosts = $state(false);
const historicalCosts = $derived($formattedCosts);
// Initialize cost tracking on mount
onMount(() => {
costTrackingStore.refresh();
});
// Subscribe to config store
const config = configStore.config;
const warning = $derived($contextWarning);
// Budget tracking - must be defined before showCompactionOptions
const budgetStatus = $derived(
checkBudget(
$stats,
$config.budget_enabled,
$config.session_token_budget,
$config.session_cost_budget,
$config.budget_warning_threshold
)
);
const budgetMessage = $derived(getBudgetStatusMessage(budgetStatus));
// Show compaction options when context or budget is at warning/critical levels
const showCompactionOptions = $derived(
warning === "high" ||
warning === "critical" ||
budgetStatus.type === "warning" ||
budgetStatus.type === "exceeded"
);
const remainingTokens = $derived(getRemainingTokenBudget($stats, $config.session_token_budget));
const remainingCost = $derived(getRemainingCostBudget($stats, $config.session_cost_budget));
// Calculate budget usage percentages for progress bars
const tokenBudgetPercent = $derived(() => {
const budget = $config.session_token_budget;
if (budget === null || budget === 0) return 0;
const used = $stats.session_input_tokens + $stats.session_output_tokens;
return Math.min(100, (used / budget) * 100);
});
const costBudgetPercent = $derived(() => {
const budget = $config.session_cost_budget;
if (budget === null || budget === 0) return 0;
return Math.min(100, ($stats.session_cost_usd / budget) * 100);
});
// Get the appropriate colour class for the progress bar
function getBudgetBarClass(percent: number, warningThreshold: number): string {
if (percent >= 100) return "budget-bar-exceeded";
if (percent >= warningThreshold * 100) return "budget-bar-warning";
return "budget-bar-ok";
}
</script>
<div class="stats-display" transition:fade={{ duration: 200 }}>
<div class="stats-row">
<span class="stat-label">Duration:</span>
<span class="stat-value">{$formattedStats.sessionDuration}</span>
</div>
<div class="stats-row">
<span class="stat-label">Messages:</span>
<span class="stat-value">{$formattedStats.messagesSession}</span>
</div>
<div class="stats-section">
<h3>Context Window</h3>
<div class="stat-row">
<span class="stat-label">Used:</span>
<span class="stat-value">{$formattedStats.contextUsed} / {$formattedStats.contextLimit}</span>
</div>
<div class="stat-row">
<span class="stat-label">Utilisation:</span>
<span class="stat-value context-util {warning ? `warning-${warning}` : ''}"
>{$formattedStats.contextUtilisation}</span
>
</div>
{#if warning}
<div class="context-warning warning-{warning}">
{getContextWarningMessage(warning)}
</div>
{/if}
{#if showCompactionOptions && (onRequestSummary || onStartFreshWithContext)}
<div class="compaction-actions">
{#if onRequestSummary}
<button
class="compaction-btn"
onclick={onRequestSummary}
disabled={isSummarising}
title="Compact conversation history to reduce context usage"
>
{#if isSummarising}
Compacting...
{:else}
Compact
{/if}
</button>
{/if}
{#if onStartFreshWithContext}
<button
class="compaction-btn compaction-btn-primary"
onclick={onStartFreshWithContext}
disabled={isSummarising}
title="Start a new conversation with context from this one"
>
Fresh Start
</button>
{/if}
</div>
{/if}
</div>
{#if $config.budget_enabled}
<div class="stats-section">
<h3>Budget</h3>
{#if $config.session_token_budget !== null}
<div class="budget-item">
<div class="stat-row">
<span class="stat-label">Tokens:</span>
<span
class="stat-value {budgetStatus.type !== 'ok' && budgetStatus.budget_type === 'token'
? `budget-${budgetStatus.type}`
: ''}"
>
{($stats.session_input_tokens + $stats.session_output_tokens).toLocaleString()} / {$config.session_token_budget.toLocaleString()}
</span>
</div>
<div class="budget-bar-container">
<div
class="budget-bar {getBudgetBarClass(
tokenBudgetPercent(),
$config.budget_warning_threshold
)}"
style="width: {tokenBudgetPercent()}%"
></div>
</div>
<div class="budget-remaining">
{remainingTokens?.toLocaleString() ?? 0} remaining ({(
100 - tokenBudgetPercent()
).toFixed(1)}%)
</div>
</div>
{/if}
{#if $config.session_cost_budget !== null}
<div class="budget-item">
<div class="stat-row">
<span class="stat-label">Cost:</span>
<span
class="stat-value {budgetStatus.type !== 'ok' && budgetStatus.budget_type === 'cost'
? `budget-${budgetStatus.type}`
: ''}"
>
${$stats.session_cost_usd.toFixed(4)} / ${$config.session_cost_budget.toFixed(2)}
</span>
</div>
<div class="budget-bar-container">
<div
class="budget-bar {getBudgetBarClass(
costBudgetPercent(),
$config.budget_warning_threshold
)}"
style="width: {costBudgetPercent()}%"
></div>
</div>
<div class="budget-remaining">
${remainingCost?.toFixed(4) ?? "0.0000"} remaining ({(
100 - costBudgetPercent()
).toFixed(1)}%)
</div>
</div>
{/if}
{#if budgetMessage}
<div class="budget-warning budget-{budgetStatus.type}">
{budgetMessage}
</div>
{/if}
</div>
{/if}
<div class="stats-section">
<h3>Tokens & Cost</h3>
<div class="stat-row">
<span class="stat-label">Session:</span>
<span class="stat-value">{$formattedStats.sessionTokens}</span>
<span class="stat-cost">{$formattedStats.sessionCost}</span>
</div>
<div class="stat-row stat-detail">
<span class="stat-label">Input:</span>
<span class="stat-value">{$formattedStats.sessionInputTokens}</span>
</div>
<div class="stat-row stat-detail">
<span class="stat-label">Output:</span>
<span class="stat-value">{$formattedStats.sessionOutputTokens}</span>
</div>
</div>
<div class="stats-section">
<h3>Activity</h3>
<div class="stat-row">
<span class="stat-label">Code blocks:</span>
<span class="stat-value">{$formattedStats.codeBlocksSession}</span>
</div>
<div class="stat-row">
<span class="stat-label">Files edited:</span>
<span class="stat-value">{$formattedStats.filesEditedSession}</span>
</div>
<div class="stat-row">
<span class="stat-label">Files created:</span>
<span class="stat-value">{$formattedStats.filesCreatedSession}</span>
</div>
</div>
{#if $formattedStats.sessionToolsFormatted.length > 0}
<div class="stats-section">
<h3 class="tools-header">
<button class="tools-toggle" onclick={() => (showToolsBreakdown = !showToolsBreakdown)}>
Tools Used
<span class="toggle-icon">{showToolsBreakdown ? "â–¼" : "â–¶"}</span>
</button>
</h3>
{#if showToolsBreakdown}
<div class="tools-breakdown">
{#each $formattedStats.sessionToolsFormatted.sort((a, b) => b.totalTokens - a.totalTokens) as tool (tool.name)}
<div class="stat-row stat-detail tool-row">
<span class="stat-label">{tool.name}:</span>
<span class="stat-value tool-stats">
<span class="tool-calls">{tool.callCount} calls</span>
{#if tool.totalTokens > 0}
<span class="tool-tokens">(~{tool.formattedTokens})</span>
{/if}
</span>
</div>
{/each}
<div class="tools-note">* Token estimates based on attribution</div>
</div>
{/if}
</div>
{/if}
<!-- Historical Costs Section -->
<div class="stats-section">
<h3 class="costs-header">
<button class="costs-toggle" onclick={() => (showHistoricalCosts = !showHistoricalCosts)}>
Historical Costs
<span class="toggle-icon">{showHistoricalCosts ? "â–¼" : "â–¶"}</span>
</button>
</h3>
{#if !showHistoricalCosts}
<div class="costs-quick-stats">
<span class="cost-badge" title="Today's cost">Today: {historicalCosts.today}</span>
<span class="cost-badge" title="This week's cost">Week: {historicalCosts.week}</span>
<span class="cost-badge" title="This month's cost">Month: {historicalCosts.month}</span>
</div>
{/if}
{#if showHistoricalCosts}
<div class="historical-costs-expanded">
<div class="stat-row">
<span class="stat-label">Today:</span>
<span class="stat-value cost-value">{historicalCosts.today}</span>
</div>
<div class="stat-row">
<span class="stat-label">This Week:</span>
<span class="stat-value cost-value">{historicalCosts.week}</span>
</div>
<div class="stat-row">
<span class="stat-label">This Month:</span>
<span class="stat-value cost-value">{historicalCosts.month}</span>
</div>
<p class="costs-note">Open Settings to view detailed cost history and set alerts.</p>
</div>
{/if}
</div>
<div class="model-info">
<span class="model-label">Model:</span>
<span class="model-value">{$formattedStats.model}</span>
</div>
</div>
<style>
.stats-display {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 0.75rem;
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: 8px;
font-size: 0.85rem;
box-shadow:
0 4px 6px rgba(0, 0, 0, 0.1),
0 1px 3px rgba(0, 0, 0, 0.08);
}
.stats-section {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.stats-section h3 {
font-size: 0.9rem;
font-weight: 600;
color: var(--text-primary);
margin: 0 0 0.25rem 0;
padding-bottom: 0.25rem;
border-bottom: 1px solid var(--border-color);
}
.stat-row {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.125rem 0;
}
.stat-detail {
margin-left: 1rem;
font-size: 0.8rem;
opacity: 0.8;
}
.stat-label {
color: var(--text-secondary, #9ca3af);
}
.stat-value {
font-family: var(--font-mono, monospace);
color: var(--text-primary, #e5e7eb);
}
.stat-cost {
font-family: var(--font-mono, monospace);
color: var(--accent-primary, #10b981);
font-size: 0.8rem;
margin-left: 0.5rem;
}
.stats-row {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.125rem 0;
}
.tools-header {
margin: 0 !important;
padding: 0 !important;
border: none !important;
}
.tools-toggle {
display: flex;
align-items: center;
gap: 0.5rem;
background: none;
border: none;
color: var(--text-primary);
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
padding: 0;
}
.tools-toggle:hover {
color: var(--accent-primary);
}
.toggle-icon {
font-size: 0.7rem;
opacity: 0.7;
}
.tools-breakdown {
margin-top: 0.25rem;
}
.tool-row {
flex-wrap: wrap;
}
.tool-stats {
display: flex;
gap: 0.5rem;
align-items: center;
}
.tool-calls {
color: var(--text-primary, #e5e7eb);
}
.tool-tokens {
color: var(--text-secondary, #9ca3af);
font-size: 0.75rem;
}
.tools-note {
margin-top: 0.5rem;
font-size: 0.65rem;
color: var(--text-secondary, #9ca3af);
font-style: italic;
opacity: 0.8;
}
.model-info {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.5rem;
background: var(--bg-primary);
border-radius: 4px;
font-size: 0.8rem;
}
.model-label {
color: var(--text-secondary, #9ca3af);
font-weight: 600;
}
.model-value {
font-family: var(--font-mono, monospace);
color: var(--text-primary, #e5e7eb);
font-size: 0.75rem;
}
.context-util {
font-weight: 600;
}
.context-util.warning-moderate {
color: #f59e0b;
}
.context-util.warning-high {
color: #f97316;
}
.context-util.warning-critical {
color: #ef4444;
}
.context-warning {
margin-top: 0.5rem;
padding: 0.5rem;
border-radius: 4px;
font-size: 0.75rem;
line-height: 1.3;
}
.context-warning.warning-moderate {
background: rgba(245, 158, 11, 0.15);
border: 1px solid rgba(245, 158, 11, 0.3);
color: #fbbf24;
}
.context-warning.warning-high {
background: rgba(249, 115, 22, 0.15);
border: 1px solid rgba(249, 115, 22, 0.3);
color: #fb923c;
}
.context-warning.warning-critical {
background: rgba(239, 68, 68, 0.15);
border: 1px solid rgba(239, 68, 68, 0.3);
color: #f87171;
}
/* Budget progress bar styles */
.budget-item {
margin-bottom: 0.75rem;
}
.budget-item:last-child {
margin-bottom: 0;
}
.budget-bar-container {
width: 100%;
height: 6px;
background: var(--bg-primary);
border-radius: 3px;
margin-top: 0.25rem;
overflow: hidden;
}
.budget-bar {
height: 100%;
border-radius: 3px;
transition:
width 0.3s ease,
background-color 0.3s ease;
}
.budget-bar-ok {
background: linear-gradient(90deg, #10b981, #34d399);
}
.budget-bar-warning {
background: linear-gradient(90deg, #f59e0b, #fbbf24);
}
.budget-bar-exceeded {
background: linear-gradient(90deg, #ef4444, #f87171);
}
.budget-remaining {
font-size: 0.7rem;
color: var(--text-secondary);
margin-top: 0.125rem;
text-align: right;
}
/* Budget warning styles */
.budget-warning {
margin-top: 0.5rem;
padding: 0.5rem;
border-radius: 4px;
font-size: 0.75rem;
line-height: 1.3;
}
.budget-warning.budget-warning {
background: rgba(245, 158, 11, 0.15);
border: 1px solid rgba(245, 158, 11, 0.3);
color: #fbbf24;
}
.budget-warning.budget-exceeded {
background: rgba(239, 68, 68, 0.15);
border: 1px solid rgba(239, 68, 68, 0.3);
color: #f87171;
}
.stat-value.budget-warning {
color: #f59e0b;
font-weight: 600;
}
.stat-value.budget-exceeded {
color: #ef4444;
font-weight: 600;
}
/* Compaction action buttons */
.compaction-actions {
display: flex;
gap: 0.5rem;
margin-top: 0.5rem;
}
.compaction-btn {
flex: 1;
padding: 0.375rem 0.5rem;
font-size: 0.75rem;
font-weight: 500;
border-radius: 4px;
border: 1px solid var(--border-color);
background: var(--bg-primary);
color: var(--text-primary);
cursor: pointer;
transition: all 0.15s ease;
}
.compaction-btn:hover:not(:disabled) {
border-color: var(--accent-primary);
background: rgba(233, 69, 96, 0.1);
}
.compaction-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.compaction-btn-primary {
background: var(--accent-primary);
border-color: var(--accent-primary);
color: white;
}
.compaction-btn-primary:hover:not(:disabled) {
background: var(--accent-secondary);
border-color: var(--accent-secondary);
}
/* Historical costs styles */
.costs-header {
margin: 0 !important;
padding: 0 !important;
border: none !important;
}
.costs-toggle {
display: flex;
align-items: center;
gap: 0.5rem;
background: none;
border: none;
color: var(--text-primary);
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
padding: 0;
}
.costs-toggle:hover {
color: var(--accent-primary);
}
.costs-quick-stats {
display: flex;
gap: 0.5rem;
margin-top: 0.5rem;
flex-wrap: wrap;
}
.cost-badge {
font-size: 0.7rem;
padding: 0.2rem 0.4rem;
background: rgba(16, 185, 129, 0.1);
border: 1px solid rgba(16, 185, 129, 0.3);
border-radius: 3px;
color: #10b981;
font-family: var(--font-mono, monospace);
}
.historical-costs-expanded {
margin-top: 0.5rem;
}
.cost-value {
color: #10b981;
}
.costs-note {
margin: 0.5rem 0 0 0;
font-size: 0.65rem;
color: var(--text-secondary);
font-style: italic;
opacity: 0.8;
}
</style>