release: add docs/REPRODUCIBILITY.md

docs/REPRODUCIBILITY.md

@@ -627,7 +627,7 @@ The live topology is **Cloudflare Pages → Render → outbound tunnel → GitHu
 | Layer | Role | Host |
 |---|---|---|
 | Cloudflare Pages | static frontend | `https://satquery.pages.dev` |
-| Render | orchestrator / API gateway (`/api/*`, CORS, wake flow) | `https://satquery-backend-m4yv.onrender.com` |
+| Render | orchestrator / API gateway (`/api/*`, CORS, wake flow) | `https://<backend-host>` |
 | GitHub Codespace | FastAPI inference host, CPU, port 8000 | `potential-space-trout-r4ppw969w45j2pvvw` |
 
 Deployed revisions (VERIFIED):
@@ -646,8 +646,8 @@ Deployed revisions (VERIFIED):
 ### 6.2 Health and capabilities
 
 ```bash
-curl --noproxy '*' https://satquery-backend-m4yv.onrender.com/api/health
-curl --noproxy '*' https://satquery-backend-m4yv.onrender.com/api/capabilities
+curl --noproxy '*' https://<backend-host>/api/health
+curl --noproxy '*' https://<backend-host>/api/capabilities
 ```
 
 The `/api/health` payload (recorded live, `docs/DEPLOYMENT.md §2`):
@@ -1094,7 +1094,7 @@ a third party does not rediscover them — and, more importantly, so that a revi
 **Fix.** Disable proxies for the call:
 
 ```bash
-curl --noproxy '*' https://satquery-backend-m4yv.onrender.com/api/health
+curl --noproxy '*' https://<backend-host>/api/health
 ```
 
 ```python