content(creation): the eleven origin fragments

race.fragment + calling.fragment compose the DM origin panel on the creation
screen. Authored prose, not stubs — this is the first sentence the player reads.
Parity-tested: a missing or empty fragment fails the suite.

content/world/callings/sellsword.json

@@ -1 +1 @@
-{ "id": "sellsword", "name": "Sellsword", "blurb": "You fight for money. You are good at it, and the work has never once run out." }
+{ "id": "sellsword", "name": "Sellsword", "blurb": "You fight for money. You are good at it, and the work has never once run out.", "fragment": "you sell the swing and let the man paying keep the reasons." }