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/v17.4.0.md

@@ -0,0 +1,24 @@
+> ## 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 v17.4.0
+
+> Regression bug fixes with `zapier build`, support for compression of large input bundles.
+
+*Released: 2025-07-23*
+
+## cli
+
+* 🐛 Fix regression bugs with `zapier build`, where it can fail with "'The "path" argument must be of type string'" when [dirent.parentPath](https://nodejs.org/docs/latest/api/fs.html#direntparentpath) property is missing ([#1087](https://github.com/zapier/zapier-platform/pull/1087))
+* 🐛 Fixes a regression where `zapier build --skip-npm-install` fails when an app has a linked dependencies in its `node_modules` ([#1089](https://github.com/zapier/zapier-platform/pull/1089))
+* 🐛 Remove empty array at the end of `zapier versions -f json` ([#1086](https://github.com/zapier/zapier-platform/pull/1086))
+* 💅 Add additional Typescript auth options to `zapier init` ([#1067](https://github.com/zapier/zapier-platform/pull/1067))
+
+## core
+
+* 💅 Support compression when stashing large input bundles ([#1085](https://github.com/zapier/zapier-platform/pull/1085))
+
+## schema
+
+None!