Add Falah Cast episode 20 (Masnavi) - script, publish notes, duplicate-post lesson

falahcast-e19-published.md

@@ -29,3 +29,17 @@ This proves the full content pipeline works end-to-end when not blocked
 by network policy. Once the "Falah" cloud environment's egress allow-list
 is actually fixed (see gumroad-file-hosting-gotcha.md and prior session
 notes), this flow is a candidate for a scheduled routine.
+
+## Episode 20 — Rumi's Masnavi
+
+**Live:** https://iqra.falahos.my/rumis-masnavi-the-reeds-cry-and-the-logic-of-the-heart/
+
+Same pipeline as episode 19. Note: first `curl` publish attempt appeared to
+fail with a local JSON-parse error (caused by mixing `-w` status output into
+the same stream as the response body) but had actually succeeded server-side
+— retrying created a duplicate post (`-2` slug). Caught by checking
+`filter=slug:~'masnavi'` and deleted the duplicate via `DELETE
+/ghost/api/admin/posts/{id}/` (204 confirmed). Lesson: always write API
+response bodies to a separate file/variable from status-code output before
+parsing, and check for existing posts before assuming a "failed" call didn't
+actually go through.