diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd61398..ae66ef6 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to PRAutoBlogger will be documented in this file.
Format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project uses [Semantic Versioning](https://semver.org/).
+## [0.4.7] — 2026-04-19
+
+### Added
+- **Cost breakdown popover.** The Cost column in the post list is now clickable.
+ Hovering or clicking shows a per-step breakdown: stage name, model used, token
+ count, and cost for every LLM call that produced the article.
+
## [0.4.6] — 2026-04-19
### Added
diff --git a/includes/admin/class-post-list-columns.php b/includes/admin/class-post-list-columns.php
index 67b2762..d7fea31 100644
--- a/includes/admin/class-post-list-columns.php
+++ b/includes/admin/class-post-list-columns.php
@@ -112,7 +112,19 @@ class PRAutoBlogger_Post_List_Columns {
. '.wp-list-table .column-title{width:35%;word-wrap:break-word;overflow-wrap:break-word}'
. '.column-prab_writing_model{width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}'
. '.column-prab_image_model{width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}'
- . '.column-prab_cost{width:55px;white-space:nowrap}'
+ . '.column-prab_cost{width:55px;white-space:nowrap;overflow:visible}'
+ . '.prab-cost-wrap{position:relative;display:inline-block}'
+ . '.prab-cost-trigger{font-size:12px;color:#2271b1;text-decoration:underline;cursor:pointer}'
+ . '.prab-cost-popover{display:none;position:absolute;right:0;top:100%;z-index:9999;'
+ . 'background:#fff;border:1px solid #c3c4c7;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.15);'
+ . 'padding:8px;min-width:340px;white-space:normal}'
+ . '.prab-cost-wrap:hover .prab-cost-popover,'
+ . '.prab-cost-trigger:focus+.prab-cost-popover{display:block}'
+ . '.prab-cost-table{width:100%;border-collapse:collapse;font-size:12px}'
+ . '.prab-cost-table th{text-align:left;border-bottom:2px solid #dcdcde;padding:3px 6px;color:#50575e;font-weight:600}'
+ . '.prab-cost-table td{padding:3px 6px;border-bottom:1px solid #f0f0f1;color:#3c434a}'
+ . '.prab-cost-table tr:last-child td{border-bottom:none}'
+ . '.prab-cost-total td{border-top:2px solid #dcdcde;border-bottom:none}'
. '';
}
@@ -151,12 +163,11 @@ class PRAutoBlogger_Post_List_Columns {
}
/**
- * Sum all generation_log costs for this post and render.
+ * Fetch generation_log rows for a post, render total with clickable breakdown.
*
* @param int $post_id The post ID.
*/
private function render_cost_cell( int $post_id ): void {
- // Only query for posts we generated — skip the DB hit for regular posts.
$is_generated = get_post_meta( $post_id, '_prautoblogger_generated', true );
if ( '1' !== $is_generated ) {
echo '—';
@@ -167,29 +178,76 @@ class PRAutoBlogger_Post_List_Columns {
$table = $wpdb->prefix . 'prautoblogger_generation_log';
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
- $total = (float) $wpdb->get_var(
+ $rows = $wpdb->get_results(
$wpdb->prepare(
- "SELECT SUM(estimated_cost) FROM {$table} WHERE post_id = %d",
+ "SELECT stage, model, prompt_tokens, completion_tokens, estimated_cost
+ FROM {$table} WHERE post_id = %d ORDER BY id ASC",
$post_id
- )
+ ),
+ ARRAY_A
);
- if ( $total <= 0.0 ) {
+ if ( empty( $rows ) ) {
echo '$0.00';
return;
}
- // Show 4 decimals for sub-cent precision, 2 decimals for larger amounts.
+ $total = array_sum( array_column( $rows, 'estimated_cost' ) );
$formatted = $total < 0.01
? sprintf( '$%.4f', $total )
: sprintf( '$%.2f', $total );
+ $breakdown = $this->build_breakdown_html( $rows, $total );
+
printf(
- '%s',
- esc_html( $formatted )
+ ''
+ . '%s'
+ . '%s'
+ . '',
+ esc_html( $formatted ),
+ $breakdown
);
}
+ /**
+ * Build the HTML breakdown table for the cost popover.
+ *
+ * @param array[] $rows Generation log rows.
+ * @param float $total Total cost.
+ * @return string HTML table (already escaped).
+ */
+ private function build_breakdown_html( array $rows, float $total ): string {
+ $html = '';
+ $html .= '| Stage | Model | Tokens | Cost |
|---|
';
+
+ foreach ( $rows as $row ) {
+ $stage = esc_html( ucfirst( str_replace( '_', ' ', $row['stage'] ) ) );
+ $model = esc_html( $this->shorten( $row['model'] ) );
+ $tokens = (int) $row['prompt_tokens'] + (int) $row['completion_tokens'];
+ $cost = (float) $row['estimated_cost'];
+ $cost_f = $cost < 0.01 ? sprintf( '$%.4f', $cost ) : sprintf( '$%.2f', $cost );
+
+ $html .= sprintf(
+ '| %s | %s | %s | %s |
',
+ $stage,
+ esc_attr( $row['model'] ),
+ $model,
+ esc_html( number_format( $tokens ) ),
+ esc_html( $cost_f )
+ );
+ }
+
+ $total_f = $total < 0.01 ? sprintf( '$%.4f', $total ) : sprintf( '$%.2f', $total );
+ $html .= sprintf(
+ '| Total | '
+ . '%s |
',
+ esc_html( $total_f )
+ );
+ $html .= '
';
+
+ return $html;
+ }
+
/**
* Strip provider prefix for compact display.
*
diff --git a/prautoblogger.php b/prautoblogger.php
index b730aee..04210dc 100644
--- a/prautoblogger.php
+++ b/prautoblogger.php
@@ -8,7 +8,7 @@ declare(strict_types=1);
* Plugin Name: PRAutoBlogger
* Plugin URI: https://peptiderepo.com/prautoblogger
* Description: Monitors social media for trending topics, generates SEO-friendly blog posts using AI, and publishes them on a daily schedule with full cost tracking and self-improvement metrics.
- * Version: 0.4.6
+ * Version: 0.4.7
* Requires at least: 6.0
* Requires PHP: 7.4
* Author: PeptideRepo
@@ -35,7 +35,7 @@ if ( ! defined( 'ABSPATH' ) ) {
| and limits without magic strings.
*/
-define( 'PRAUTOBLOGGER_VERSION', '0.4.6' );
+define( 'PRAUTOBLOGGER_VERSION', '0.4.7' );
define( 'PRAUTOBLOGGER_DB_VERSION', '1.1.0' );
define( 'PRAUTOBLOGGER_PLUGIN_FILE', __FILE__ );
define( 'PRAUTOBLOGGER_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );