fixup! diigo-cache: invalidate the last N days of cached pages

Docs per the docs-files-api skill: a 1–2 line @file; what a declaration is or does in JSDoc on it, not in // comments or the file header.

Generated-by: Claude Opus 5.5

diigo-cache/src/cache-page.ts

@@ -1,17 +1,17 @@
-/**
- * @file the webkey page at /cache/ — a skeleton, identical for every key
- * (docs/webkeys.md): the key rides the URL fragment, which browsers never
- * send to the server or in a Referer. The inline module reads it, trades
- * it for a capability (`api.cache(key)`, Cap'n Web over /api, in-band),
- * and drives the fill job. Each round trip is its own HTTP batch session:
- * calls made before an await travel together.
- *
- * Without a fragment, the page is a login form a password manager fills
- * (petname as username, cache id as password). Its inputs have no
- * `name`, so a native submit (script failed) sends nothing; the key
- * stays in memory, out of the address bar and history.
- */
+/** @file the webkey page at /cache/: a skeleton the key's holder drives over /api. */
 
+/**
+ * the webkey page, identical for every key (docs/webkeys.md): the key
+ * rides the URL fragment, which browsers never send to the server or in a
+ * Referer. Its script reads it, trades it for a capability
+ * (`api.cache(key)`, Cap'n Web over /api, in-band), and drives the fill
+ * job. Each round trip is its own HTTP batch session.
+ *
+ * Without a fragment it is a login form a password manager fills
+ * (petname as username, cache id as password). The inputs have no
+ * `name`, so a native submit (script failed) sends nothing; the key stays
+ * in memory, out of the address bar and history.
+ */
 export const CACHE_PAGE_HTML = `<!doctype html>
 <html><head><meta charset="utf-8"><meta name="referrer" content="no-referrer">
 <title>diigo cache</title></head>