feat: lazysecrets list's JSON says when an entry was last used, and how often

internal/listing/listing.go

@@ -40,9 +40,11 @@ type Entry struct {
 	// AccountLabel names the az account, when there are several.
 	AccountLabel string `json:"accountLabel,omitempty"`
 	// Starred is starred for this account; Recent is used lately (Recent,
-	// R, in the TUI).
-	Starred bool `json:"starred"`
-	Recent  bool `json:"recent"`
+	// R, in the TUI): LastUsed is when, Uses how often.
+	Starred  bool      `json:"starred"`
+	Recent   bool      `json:"recent"`
+	LastUsed time.Time `json:"lastUsed,omitzero"`
+	Uses     int       `json:"uses,omitempty"`
 	// Error says why a source's vaults or a vault's secrets couldn't be
 	// listed. The entry is then that source or vault, again, or with an
 	// account's sources unreadable, the account without a link.
@@ -61,9 +63,10 @@ type Options struct {
 	// Lists only needed for other kinds aren't loaded: sources and vaults
 	// alone don't load any secrets. Lists that fail are always listed.
 	Kinds []string
-	// Mark tells whether the entry with link is starred for account, and
-	// used lately; nil marks nothing.
-	Mark    func(link, account string) (starred, recent bool)
+	// Mark tells whether the entry with link is starred for account,
+	// and when it was last used and how often (zero: not lately); nil
+	// marks nothing.
+	Mark    func(link, account string) (starred bool, lastUsed time.Time, uses int)
 	Timeout func(provider.Kind) time.Duration
 	Now     func() time.Time
 }
@@ -225,7 +228,8 @@ func (l *lister) put(p provider.Provider, e Entry) {
 	}
 	e.Account = p.ID()
 	if l.o.Mark != nil && e.Link != "" {
-		e.Starred, e.Recent = l.o.Mark(e.Link, e.Account)
+		e.Starred, e.LastUsed, e.Uses = l.o.Mark(e.Link, e.Account)
+		e.Recent = !e.LastUsed.IsZero()
 	}
 	id := p.ID() + "\x00" + e.Link + "\x00" + e.Error
 	if l.stopped != nil || l.seen[id] {