- 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>
WordPress coding standards require tab indentation. All 12 PHP files
in includes/, admin/, and public/ were using 4-space indentation.
Converted to tabs to pass the Generic.WhiteSpace.DisallowSpaceIndent
PHPCS rule. Whitespace-only change — no logic modifications.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Security (7 fixes):
- SEC-001: Use wpdb->prepare() for COUNT query in REST API
- SEC-002: Set httponly=true on session cookie to prevent XSS
- SEC-003: Mask API keys in admin settings (show last 4 chars only)
- SEC-004: Check capability before nonce in manual fetch handler
- SEC-005: Validate redirect domains to prevent open redirects
- SEC-006: Escape all article fields before REST API response
- SEC-007: Add capability check to AJAX summary handler
Infrastructure (7 fixes):
- WPS-002: Clear cron schedule on plugin deactivation
- WPS-003: Bundle Chart.js locally instead of CDN without SRI
- WPS-004: Add uninstall.php for clean plugin removal
- DB-001: Add foreign key constraints with CASCADE deletes
- DB-002: Clamp pagination to valid page range
- CI-001: Use StrictHostKeyChecking=accept-new in deploy
- CI-002: Add security scanning step to CI pipeline
- CI-003: Add rollback workflow via workflow_dispatch
Performance & Quality (8 fixes):
- PHP-001: Validate widget $instance as array before access
- PHP-002: Return null from get_client_ip() for invalid IPs
- PHP-003: Process RSS feeds in chunked batches of 10
- PHP-004: Wire up clear_article_cache() in fetch cycle
- PERF-001: Cache source names in transient for strip_source_suffix
- PERF-002: Add server-side transient caching for REST API
- ARCH-002: Make LLM API URL configurable via WordPress options
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Introduces Peptide_News_Logger class with leveled logging (info, warning,
error, debug) to a custom DB table, auto-pruning at 2000 rows. Adds a
filterable, paginated log viewer to the admin settings page. Instruments
the LLM and Fetcher classes with structured log calls for fetch cycles,
AI processing, and error tracking. Version bumped to 2.1.0.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
DuckDuckGo's HTML search endpoint now requires vqd session tokens,
making server-side search-based URL resolution unreliable. Simplified
the thumbnail pipeline:
- OG scrape only for non-aggregator URLs (direct publisher pages)
- AI image generation via OpenRouter for aggregator articles (Google News)
- Added Image Model settings field in admin UI
- Added thumbnail_local column for AI-generated images
- Updated public/admin display to check thumbnail_local as fallback
- Removed all DuckDuckGo search code (find_article_url_via_search,
extract_ddg_url, resolve_article_for_scraping)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
