Milestone 0: import zappier billing, Verae middleware, and Zapier research

Compose-ready workspace: packages/zappier (rate card, portal, Stripe),
packages/verae-zapier-middleware (timestamp + NATS), packages/verae-zapier
(CLI app), vendor/zapier-platform, and research/zapier vendor corpus.

Gate 0 structure checks pass. Product code and research are not yet wired.

research/zapier/raw/docs/integrations/news/2025/v17.9.1.md

@@ -0,0 +1,27 @@
+> ## Documentation Index
+> Fetch the complete documentation index at: https://docs.zapier.com/llms.txt
+> Use this file to discover all available pages before exploring further.
+
+# What's changed in v17.9.1
+
+> Bug fix for zapier push and dependency updates.
+
+*Released: 2025-10-28*
+
+This release addresses a bug in the `zapier push` command and includes dependency updates.
+
+## cli
+
+* 🐛 Fix issue where zapier push fail if the app wasn't built already (may have affected ESM builds) ([#1187](https://github.com/zapier/zapier-platform/pull/1187))
+
+## core
+
+None!
+
+## schema
+
+None!
+
+## misc
+
+* 🔨 Bump vite from 6.3.6 to 6.4.1 ([#1185](https://github.com/zapier/zapier-platform/pull/1185))