Add changelog fragment

Jimbo4350 · Jimbo4350 · commit 9f7b1df82103 · 2026-04-20T08:54:38.000-04:00
diff --git a/.changes/20260414_cardano_api_has_callstack.yml b/.changes/20260414_cardano_api_has_callstack.yml
@@ -0,0 +1,6 @@
+project: cardano-api
+pr: 1175
+kind:
+  - compatible
+description: |
+  Add `HasCallStack` constraints to standalone functions that call error directly or indirectly, improving stack traces. Dijkstra-era placeholder error messages are also improved.
