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fix: cost tracker $0.00 bug — add token estimation fallback for DeepSeek (v4.4.3)

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DeepSeek models on OpenRouter omit the usage object, causing all token
counts and costs to log as zero. Added character-based estimation
fallback (~3.75 chars/token), token_source column to distinguish
measured vs estimated data, and admin UI indicators (amber warnings,
~ prefix on estimates). Updated DeepSeek/Qwen pricing table.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-14 08:32:30 +07:00
parent 52a83439b1
commit 5d5019bda3
6 changed files with 138 additions and 12 deletions
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26
includes/class-psa-admin.php
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@@ -482,6 +482,7 @@ class PSA_Admin {
private static function render_usage_summary(): void {
$current_spend = PSA_Cost_Tracker::get_monthly_spend();
$current_tokens = PSA_Cost_Tracker::get_monthly_tokens();
$estimated_count = PSA_Cost_Tracker::get_monthly_estimated_count();
$budget = floatval( self::get_setting( 'monthly_budget', PSA_Config::DEFAULT_MONTHLY_BUDGET ) );
$budget_remaining = ( 0.0 === $budget ) ? __( 'Unlimited', 'peptide-search-ai' ) : '$' . number_format( max( 0, $budget - $current_spend ), 2 );
$recent_logs = PSA_Cost_Tracker::get_recent_logs( 20 );
@@ -490,7 +491,11 @@ class PSA_Admin {
<div style="background:#f5f5f5;padding:15px;border-radius:4px;margin-bottom:20px;">
<h3><?php esc_html_e( 'This Month', 'peptide-search-ai' ); ?></h3>
<p>
<strong><?php esc_html_e( 'Spend:', 'peptide-search-ai' ); ?></strong> $<?php echo esc_html( number_format( $current_spend, 2 ) ); ?><br />
<strong><?php esc_html_e( 'Spend:', 'peptide-search-ai' ); ?></strong> $<?php echo esc_html( number_format( $current_spend, 2 ) ); ?>
<?php if ( $estimated_count > 0 ) : ?>
<span style="color:#b45309;font-size:12px;" title="<?php echo esc_attr( $estimated_count ); ?> API calls used character-based token estimates because the model did not report usage data">&#9888; includes estimates</span>
<?php endif; ?>
<br />
<strong><?php esc_html_e( 'Tokens:', 'peptide-search-ai' ); ?></strong> <?php echo esc_html( number_format( $current_tokens ) ); ?><br />
<strong><?php esc_html_e( 'Budget Remaining:', 'peptide-search-ai' ); ?></strong> <?php echo esc_html( $budget_remaining ); ?>
</p>
@@ -512,11 +517,24 @@ class PSA_Admin {
</thead>
<tbody>
<?php foreach ( $recent_logs as $log ) : ?>
<tr>
<?php $is_estimated = ( isset( $log->token_source ) && 'estimated' === $log->token_source ); ?>
<tr<?php echo $is_estimated ? ' style="color:#92400e;"' : ''; ?>>
<td><?php echo esc_html( $log->created_at ); ?></td>
<td><code><?php echo esc_html( $log->model ); ?></code></td>
<td><?php echo esc_html( number_format( $log->total_tokens ) ); ?></td>
<td>$<?php echo esc_html( number_format( $log->estimated_cost_usd, 4 ) ); ?></td>
<td>
<?php if ( $is_estimated ) : ?>
<span title="Estimated from character length — model did not report token usage">~<?php echo esc_html( number_format( $log->total_tokens ) ); ?></span>
<?php else : ?>
<?php echo esc_html( number_format( $log->total_tokens ) ); ?>
<?php endif; ?>
</td>
<td>
<?php if ( $is_estimated ) : ?>
<span title="Cost estimated from approximate token count">~$<?php echo esc_html( number_format( $log->estimated_cost_usd, 4 ) ); ?></span>
<?php else : ?>
$<?php echo esc_html( number_format( $log->estimated_cost_usd, 4 ) ); ?>
<?php endif; ?>
</td>
<td><?php echo esc_html( $log->request_type ); ?></td>
<td><?php echo esc_html( $log->peptide_name ); ?></td>
<td><?php echo ( 1 === (int) $log->success ) ? '&#10003;' : '&#10007;'; ?></td>