docs: agents.instacloud.com is the canonical onboarding one-liner (#31)

CloudFront edge cache of agents.sh (rate-limit-proof vs raw.github);
raw URL stays documented as the transparent fallback. Repo skill gains
the cache-invalidation note per its keep-true rule.


Claude-Session: https://claude.ai/code/session_01GMbAe5K1RfwaAcge5inX7P

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: tonychang04

.claude/skills/developing-insta-cli/SKILL.md

@@ -52,6 +52,13 @@ npx tsx src/index.ts --help   # run the CLI from source
 | `npx insta@latest` behind the GH release | `publish-npm` job failed (OIDC trust/config?) — see step 4 |
 | CLI hits the wrong server in tests | Persisted `~/.insta/config.json` apiUrl; set `INSTA_API_URL` (≥0.0.7) or move the config aside |
 
+## agents.instacloud.com
+
+The onboarding domain is a CloudFront distribution edge-caching `agents.sh` from this repo's
+main branch (origin `raw.githubusercontent.com`, path rewrite → `/agents.sh`). After editing
+`agents.sh`, the edge can serve the old copy for up to ~24h — invalidate it:
+`aws cloudfront create-invalidation --distribution-id <the agents distro> --paths '/*'`.
+
 ## Keep this skill true
 
 Before you finish work in this repo: if anything you did or discovered changed the flows above —

agents.sh

@@ -2,7 +2,10 @@
 #
 # InstaCloud agent setup installer — the one-liner for coding agents:
 #
-#     curl -fsSL https://raw.githubusercontent.com/InsForge/insta-cli/main/agents.sh | sh
+#     curl -fsSL agents.instacloud.com | sh
+#
+# (agents.instacloud.com is a CloudFront edge cache of this file — same bytes, rate-limit-proof.
+#  The raw fallback also works: curl -fsSL https://raw.githubusercontent.com/InsForge/insta-cli/main/agents.sh | sh)
 #
 # Thin shim (the Railway agents.sh pattern): exactly equivalent to
 #