peptide-repo/peptide-news-plugin
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feat: add LLM cost tracking with budget enforcement and admin dashboard

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- New Cost_Tracker class: logs every API call (model, tokens, cost), enforces
  monthly budgets with hard-stop mode, provides aggregated reporting
- New llm_costs database table with indexes on created_at, model, operation
- Modified LLM class: call_openrouter_with_usage() extracts token usage from
  OpenRouter responses; budget gate checks before each API call
- Admin settings: monthly budget (USD), enforcement mode (disabled/warn/hard-stop),
  cost log retention period
- Admin cost dashboard: budget progress bar, daily cost chart (Chart.js),
  per-model and per-operation breakdowns, recent API call log
- PHPUnit tests: 16 tests covering cost calculation, pricing lookups,
  budget enforcement logic, and model validation
- Updated ARCHITECTURE.md with new table schema, data flow, and key decisions
- Updated CONVENTIONS.md with "how to add cost tracking for a new operation"
- Version bump to 2.4.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Terence
2026-04-13 04:18:30 +07:00
parent 6796121003
commit b7da4f42b9
47 changed files with 2192 additions and 164 deletions
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13
peptide-news-plugin.php Normal file → Executable file
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@@ -1,9 +1,10 @@
<?php
declare( strict_types=1 );
/**
* Plugin Name: Peptide News Aggregator
* Plugin URI: https://github.com/peptiderepo/peptide-news-plugin
* Description: Aggregates and displays the latest peptide research news from multiple sources with click analytics and trend reporting.
* Version: 2.2.0
* Version: 2.4.0
* Author: Peptide News Team
* Author URI: https://github.com/peptiderepo
* License: GPL-2.0+
@@ -22,7 +23,7 @@ if ( ! defined( 'WPINC' ) ) {
/**
* Current plugin version — follows SemVer.
*/
define( 'PEPTIDE_NEWS_VERSION', '2.2.0' );
define( 'PEPTIDE_NEWS_VERSION', '2.4.0' );
define( 'PEPTIDE_NEWS_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
define( 'PEPTIDE_NEWS_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
define( 'PEPTIDE_NEWS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
@@ -30,7 +31,7 @@ define( 'PEPTIDE_NEWS_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
/**
* Runs during plugin activation.
*/
function peptide_news_activate() {
function peptide_news_activate(): void {
require_once PEPTIDE_NEWS_PLUGIN_DIR . 'includes/class-peptide-news-activator.php';
Peptide_News_Activator::activate();
}
@@ -38,7 +39,7 @@ function peptide_news_activate() {
/**
* Runs during plugin deactivation.
*/
function peptide_news_deactivate() {
function peptide_news_deactivate(): void {
require_once PEPTIDE_NEWS_PLUGIN_DIR . 'includes/class-peptide-news-deactivator.php';
Peptide_News_Deactivator::deactivate();
}
@@ -56,7 +57,7 @@ require_once PEPTIDE_NEWS_PLUGIN_DIR . 'includes/class-peptide-news.php';
* This handles existing installs that upgrade from 1.0.0 to 1.1.0
* without re-activating the plugin.
*/
function peptide_news_check_db_upgrade() {
function peptide_news_check_db_upgrade(): void {
$installed_version = get_option( 'peptide_news_db_version', '1.0.0' );
if ( version_compare( $installed_version, PEPTIDE_NEWS_VERSION, '<' ) ) {
require_once PEPTIDE_NEWS_PLUGIN_DIR . 'includes/class-peptide-news-activator.php';
@@ -69,7 +70,7 @@ add_action( 'plugins_loaded', 'peptide_news_check_db_upgrade' );
/**
* Begins execution of the plugin.
*/
function peptide_news_run() {
function peptide_news_run(): void {
$plugin = new Peptide_News();
$plugin->run();
}