documentation and env changes

docs/reviews-and-albums.md

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+# Reviews & Albums
+
+## Album page
+- Artwork, metadata, average rating, and review count
+- Full Spotify tracklist when available
+- Reviews list (newest first)
+- Inline new review form for logged‑in users
+
+## Writing a review
+- Rating slider from 1–10
+- Title (max 160 chars) and body (20–5000 chars)
+- Server-side validation provides inline errors on failure
+- Successful submissions persist, flash a success message, and reload the album page
+
+## Editing & deleting reviews
+- Authors can edit/delete their own reviews
+- Moderators/Admins can edit/delete any review
+- CSRF protection is required for deletion
+
+## Aggregates
+- The album page computes:
+  - Total number of reviews for the album
+  - Average rating rounded to one decimal
+
+## Demo data
+```bash
+docker compose exec tonehaus php bin/console app:seed-demo-albums --count=40 --attach-users
+docker compose exec tonehaus php bin/console app:seed-demo-reviews --cover-percent=70 --max-per-album=8
+```
+- Use `--only-empty` to focus on albums that currently have no reviews.
+