Add AGR market trade flow roadmap

AGRARIAN_DEVELOPMENT_ROADMAP.md

@@ -1095,6 +1095,12 @@ Required order:
 
 - [ ] Add barter container.
 - [ ] Add simple trade UI.
+- [ ] Add local market listing model for player-produced crops, meat, wood,
+  stone, fiber, tools, animals, fuel, and other transferable resources.
+- [ ] Track market-facing item attributes: quantity, quality, freshness,
+  location, seller, ownership, storage condition, and pickup/delivery terms.
+- [ ] Add item reservation/lock rules so listed goods cannot be double-sold,
+  consumed, moved, spoiled invisibly, or transferred while a sale is pending.
 - [ ] Add ownership transfer.
 - [ ] Add local price notes if needed.
 - [x] Add AGR placeholder integration planning.
@@ -1167,6 +1173,10 @@ Goal: Let player communities form organically through trade, trust, conflict, la
 - [ ] Add secure trade window.
 - [ ] Add barter offer records.
 - [ ] Add basic contract data model.
+- [ ] Add market stall and settlement market board flows where sellers can list
+  produced goods and buyers can browse, reserve, and purchase them naturally.
+- [ ] Add direct player trade flow for face-to-face exchange of resources,
+  animals, crafted goods, tools, labor promises, or delivery contracts.
 - [ ] Add delivery contract.
 - [ ] Add labor contract.
 - [ ] Add rental contract placeholder.
@@ -1175,8 +1185,16 @@ Goal: Let player communities form organically through trade, trust, conflict, la
 - [ ] Add AGR payment request flow for player-to-player trade: seller creates a
   payment request, buyer pays through their own wallet, and the server verifies
   chain confirmation before marking the contract paid.
+- [ ] Add `Buy with AGR` market flow: reserve item, create payment request,
+  wait for confirmation, transfer ownership, release pickup/delivery rights, and
+  record seller/buyer receipts.
 - [ ] Add AGR transaction receipt records linked to game accounts, trades,
   contracts, timestamps, confirmations, and settlement/dispute state.
+- [ ] Add timeout and cancellation rules so unpaid or failed AGR purchases
+  unlock the item and return the listing to the market.
+- [ ] Add low-value fast-confirmation policy research for future UX, with fraud
+  limits and rollback/dispute handling before any pending-payment delivery is
+  allowed.
 - [ ] Decide whether player-to-player AGR trades use direct payment only,
   server-observed escrow, or a separate escrow service after legal and security
   review.
@@ -1363,6 +1381,8 @@ Goal: Enable cities, citizenship, taxation, diplomacy, organized law, warfare, a
 
 - [ ] Add treasury model.
 - [ ] Add tax rules.
+- [ ] Add settlement market fee rules for market stalls, board listings,
+  storage usage, delivery contracts, and public trade infrastructure.
 - [ ] Add public storage.
 - [ ] Add road funding.
 - [ ] Add public building funding.