Combat HP, food and retreat; armour, leatherworking, fishing, tools

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -9,8 +9,14 @@ Alpha. One season, bandit raids plus two friendly events, six buildings.
 
 ## What's in it
 
-- **Skills:** mining, woodcutting, farming, hunting, smithing, masonry,
-  cooking, combat, plus the scout's reconnaissance.
+- **Skills:** mining, woodcutting, farming, hunting, fishing, smithing,
+  masonry, cooking, leatherworking, combat, plus the scout's reconnaissance.
+- **Combat:** fights cost HP (less when out-levelled or armoured); below half
+  health you eat food from your bank, and out of food you retreat, losing
+  nothing but the fight. HP recovers 25% an hour.
+- **Gear and tools:** smiths make weapons, copper and iron armour, and tools
+  (pickaxe, axe, hoe, fishing rod, hunting knife) that make gathering 15–30%
+  faster; leatherworkers turn hides into leather armour.
 - **Classes:** warrior, scout, artisan, pioneer. Every class can train every
   skill; a class makes some skills 20% faster and has one signature ability.
 - **Bank:** 12 slots of up to 1,000 each to start. When something doesn't