base red: revert 010ffb95c155 (Cloud Tunnel extension does not compile on the macOS 26.5 SDK)

Merged
LA
2d ago
+31-5189

Summary

The full app build of feat-cmux-next is red. Fleet job a565ad1d55c788476e604c39 (feat 7fd393100087, Xcode 26.6, MacOSX26.5 SDK, Release, arm64 and x86_64) fails:

CloudTunnelExtension/PacketTunnelProvider.swift:50:35: error: value of type 'PacketTunnelProvider' has no member 'defaultPath'

010ffb95c155 added the CloudTunnelExtension target. It came in one direct push to feat-cmux-next at 19:09Z (ad2c76731f28..cc33e089376e, 14 commits, no PR). The 11 commits after it build on it, so this PR reverts all 12 (010ffb95c155..cc33e089376e). The two cmux-wg-tun Rust commits before them (b4f6d32a9a37, d2b1b1c70ac5) stay; they do not change the app build.

Team rule: revert first, re-land with the fix second. The re-land (path observation on NWPathMonitor) follows in its own PR.

Packages/macOS/CmuxNext/ci-target-graph.json is generated; the autofix regenerates it (no hand edit).

Takes back the direct push 010ffb95c155..cc33e089376e (no PR number): its extension does not compile on the macOS 26.5 SDK, which makes every full app build red.

Changelog

none

Testing

  • python3 scripts/cmux-next/prepush-gate.py: no new violations.
  • Full Release app build on the fleet: see the comment with the job ID.

Observed / Not run

  • Observed: the prepush gate; the fleet build result (comment).
  • Not run: Swift package tests (the revert only removes code and tests).

Autofix with [code]smith
Open in [code]smith · Need help on this PR? Tag @codesmith-bot with what you need.

Summary by cubic

Reverts the Cloud Tunnel extension push that broke every full app build on feat-cmux-next — PacketTunnelProvider references defaultPath, which doesn't exist on the macOS 26.5 SDK.

  • Removes the CloudTunnelExtension target, the CmuxNextCloudTunnel package and its tests, the cloud tunnel settings, CLI verbs, and signing/CI scripts, plus the design doc and arch exceptions.
  • Keeps the two cmux-wg-tun Rust commits, which don't touch the app build.
  • A re-land with a NWPathMonitor-based path observation follows in a separate PR.