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/races/elf.json

@@ -1 +1 @@
-{ "id": "elf", "name": "Elf", "blurb": "You see in the dark and you notice things. Neither has made you popular in a town that would rather not be noticed." }
+{ "id": "elf", "name": "Elf", "blurb": "You see in the dark and you notice things. Neither has made you popular in a town that would rather not be noticed.", "fragment": "You come from a people the Margreave tolerates from a distance, and you have never been in a room where that was not clear." }