issue 1858: record the acts that change no entry, and answer the action log (1858.4)

ADR 0517 §3 to §5: record writes one line for a mail opened, a mode chosen or the page opened (the last
looked list answers); every other line is its own verb's. actions answers the log newest first.

modules/mesh-mail-reader/module.json

@@ -6,7 +6,7 @@
     {
       "name": "mail-reading",
       "scope": "mesh",
-      "serves": ["entries", "groups", "correct", "lessons", "undo", "status", "list", "handle", "unhandle", "remind"]
+      "serves": ["entries", "groups", "correct", "lessons", "undo", "status", "list", "handle", "unhandle", "remind", "record", "actions"]
     }
   ],
   "consumes": [
@@ -52,6 +52,8 @@
     "mail-reading.handle",
     "mail-reading.unhandle",
     "mail-reading.remind",
+    "mail-reading.record",
+    "mail-reading.actions",
     "mail_reader_health"
   ],
   "runtime-health": {