lane: sync lobby-cell memory

Author: iamnbutler

.lane/memory/services/directory/src/lobby.ts/01M4YSA7C9D4AD1GN5TQP2JYZ7-presence-must-never-reach-sq.md

@@ -3,9 +3,10 @@ id: 01M4YSA7C9D4AD1GN5TQP2JYZ7
 anchor: type Attachment
 created: 2026-10-15T03:22:25Z
 norm: '1'
-sig: 45dd921510c04b58
+sig: 1b055bbb637ab6c2
 body_hash: e3b0c44298fc1c14
-raw_hash: 75ed21516899ac2f
+raw_hash: 0a365dc77261089b
+vouched: 2026-10-15T04:07:57Z
 lines: 28-28
 ---
 

.lane/memory/services/directory/src/lobby.ts/01M4YSWEM54B8WRTBBHRP331GE-seq-lives-in-kv-apart-from-t.md

@@ -4,8 +4,9 @@ anchor: method webSocketMessage
 created: 2026-10-15T03:32:22Z
 norm: '1'
 sig: ba8d2f921d2933e4
-body_hash: e61a3caa001d6503
-raw_hash: 046f6f76edba75b0
+body_hash: ed970d004b996e65
+raw_hash: e8f7fe94b6c60eb8
+vouched: 2026-10-15T04:07:57Z
 lines: 63-98
 ---
 

.lane/memory/services/directory/src/lobby.ts/01M4YVXHY7HPE7NG8FJ3HY2291-a-joining-host-must-re-arm-t.md

@@ -0,0 +1,8 @@
+---
+id: 01M4YVXHY7HPE7NG8FJ3HY2291
+anchor: method fetch
+created: 2026-10-15T04:07:55Z
+norm: '1'
+---
+
+a joining host must re-arm the sweep when the alarm is further than SWEEP away, or silent sockets stay here until the oldest event expires

.lane/memory/services/directory/src/lobby.ts/01M4YVXHYES1JA1G03YKYBV47S-serializeattachment-throws-a.md

@@ -0,0 +1,8 @@
+---
+id: 01M4YVXHYES1JA1G03YKYBV47S
+anchor: function fit
+created: 2026-10-15T04:07:55Z
+norm: '1'
+---
+
+serializeAttachment throws above 2 KiB, so presence must be trimmed to fit before every serialize

.lane/memory/services/directory/src/lobby.ts/01M4YVXHYN15MPDM4TPR658TT7-the-events-at-column-is-the.md

@@ -0,0 +1,8 @@
+---
+id: 01M4YVXHYN15MPDM4TPR658TT7
+anchor: method webSocketMessage
+created: 2026-10-15T04:07:55Z
+norm: '1'
+---
+
+the events.at column is the lobby's receipt time, never the host's clock, since retention and resync depend on it