0.4.0: map (N) that fills in as you explore and a compass (closes #1); Old Tam's seam and Cove tips (voiced); the journey and sea fish in the guide; trailer with the tunnel and the Cove; protocol 16

data/hints.json

@@ -1,6 +1,6 @@
 {
   "guide": "Old Tam",
-  "_doc": "T4 (docs/TUTORIAL_DESIGN.md §5): one-off tips in normal worlds, each shown once per player (user://hints.json), in list order when several are due. 'when' is kind:value, with | for alternatives: status (a survival status, by prefix), weather (a state), has (an item in your bag), event (howl, died), or a plain check (night, stamina_low, wolf_moon, hard_winter). 'hold' is how long it must stay true first (seconds, default 1).",
+  "_doc": "T4 (docs/TUTORIAL_DESIGN.md §5): one-off tips in normal worlds, each shown once per player (user://hints.json), in list order when several are due. 'when' is kind:value, with | for alternatives: status (a survival status, by prefix), weather (a state), has (an item in your bag), event (howl, died), worldlet (where you are on the journey), or a plain check (night, stamina_low, wolf_moon, hard_winter, seam: holding the antler pickaxe with the cliff tunnel's seam still to dig). 'hold' is how long it must stay true first (seconds, default 1).",
   "hints": [
     {"id": "died", "when": "event:died", "title": "Back on your feet",
      "text": "Dying's not the end out here. Whatever you carried is waiting where you fell, so go back for it before anything else. Sleep in a bed once and that's where you'll wake."},
@@ -33,6 +33,10 @@
     {"id": "stamina", "when": "stamina_low", "title": "Out of breath",
      "text": "You're spent. Stop swinging and running a moment and your stamina comes back. Rested by a fire, it comes back faster."},
     {"id": "sheltered", "when": "status:Sheltered", "hold": 3, "title": "A proper shelter",
-     "text": "Roof and walls: the weather can't touch you here. Sit by a fire in here a little while and you'll be Rested."}
+     "text": "Roof and walls: the weather can't touch you here. Sit by a fire in here a little while and you'll be Rested."},
+    {"id": "seam", "when": "seam", "hold": 3, "title": "The cracked seam",
+     "text": "That antler pick bites rock iron only scratches. Out on the clifftop, near the edge, there's a seam of cracked rock, and a way down to the sea behind it if you dig. Take wood to prop it as you go, and lights: it's black as pitch in there."},
+    {"id": "cove", "when": "worldlet:cove", "hold": 3, "title": "The Cove",
+     "text": "You made it down. Sand, salt and sea fish. Fish off the end of the pier: mackerel bite close in, cod further out where it's deep. The sea cave takes you back up the tunnel, and home's waiting at the top."}
   ]
 }