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Fix: Expire image cache after 90 days

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multipleof4
2026-09-10 18:20:48 -07:00
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@@ -98,9 +98,10 @@ Use images to complement your responses, powered by Brave.
## Caching
- Images are cached for **30 days**
- Images are cached for **90 days**
- After expiry, the next request triggers a fresh search
- Images are stored in their original format as fetched from source
- A matching R2 lifecycle rule deletes stored objects after 90 days
## Support
@@ -169,9 +170,11 @@ Fork this repo, connect to Cloudflare Pages, deploy.
**Key:** `<sha256-of-normalized-query>` — derived from query, no lookup needed. Stored with original content type from source.
Add an object lifecycle rule in **R2 → direct-img-store → Settings** that applies to all prefixes and deletes uploaded objects after **90 days**. This removes expired objects even when their query is never requested again.
### KV: `DIRECT_IMG_CACHE`
**Key:** normalized query (lowercase, trimmed, max 200 chars) → **Value:** `{"t":1719000000,"ct":"image/jpeg"}` — **TTL:** 30 days
**Key:** normalized query (lowercase, trimmed, max 200 chars) → **Value:** `{"t":1719000000,"ct":"image/jpeg"}` — **TTL:** 90 days
### Database: `SurrealDB` (Rate Limiting)