OpenSparrow Files

Added

• Automation email queue (Admin → System → Cron) — a new admin module listing queued automation emails from the existing spw_automation_emails table: status filter (pending / sent / error), per-status counters, bulk requeue (resets attempts and error message) and bulk delete for up to 500 rows at once, plus purge by status with an optional retention window.
• RAG document preview — a Preview button in the documents list opens a modal showing the stored document content (filename, tags, size, dates) without having to download it.

Changed

• RAG admin section renamed to Centrum AI — the sidebar, breadcrumbs, demo copy and guidance docs use the new naming, and the RAG settings fields gained explanatory tooltips (context-file limits, upload size, timeout).
• Admin UI unified around section cards — every settings form, data table and log now renders inside a buildSectionCard section with a consistent header style; section cards are never nested, and all settings tabs share one width via the .admin-page wrapper (per-panel max-width inline styles were removed).
• Statistics tiles unified — Usage / Log / Statistics tabs (External API, Click Statistics, Cron email queue, Users) follow the same tile-grid pattern as Centrum AI → Query Statistics.
• Admin typography unified — three sizes and two weights via CSS tokens; .adm-sec-hdr styling now lives in the stylesheet instead of inline overrides.
• RAG documents table respects container width; file and RAG action buttons stack vertically, and the rechunk action shows success feedback.

Removed

• Nothing.

Fixed

• Admin tab renderers no longer wipe section descriptions when re-rendering a tab — content is now rendered into the inner content div.

Upgrade notes

• No database migration and no configuration keys are removed by this release. The email queue module operates on the existing spw_automation_emails table (created by earlier releases); if the table does not exist, the queue tab reports it instead of failing.

Full changelog: https://github.com/wrobeltomasz/OpenSparrow/compare/3.6...3.7