feat(formula): add wayfinder router

.github/workflows/test.yml

@@ -18,10 +18,18 @@ jobs:
           brew trust asdecided/tap
 
       - name: Audit formulas
-        run: brew audit --strict --online asdecided/tap/asdecided-core
+        run: |
+          brew audit --strict --online asdecided/tap/asdecided-core
+          brew audit --strict --online asdecided/tap/wayfinder-router
 
       - name: Install and test asdecided-core
         run: |
           brew install asdecided/tap/asdecided-core
           brew test asdecided/tap/asdecided-core
           decided --version
+
+      - name: Install and test wayfinder-router
+        run: |
+          brew install asdecided/tap/wayfinder-router
+          brew test asdecided/tap/wayfinder-router
+          wayfinder-router --version

Formula/wayfinder-router.rb

@@ -0,0 +1,19 @@
+class WayfinderRouter < Formula
+  desc "Local execution policy for AI model routing"
+  homepage "https://github.com/asdecided/WayfinderRouter"
+  url "https://github.com/asdecided/WayfinderRouter/archive/refs/tags/router-v2026.8.0.tar.gz"
+  sha256 "88da91e17fd06c329a6004649ecca672b8f9d87ae947491562c9be3bbba8ff56"
+  license "Apache-2.0"
+
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", *std_cargo_args(path: "rust/crates/wayfinder-cli")
+  end
+
+  test do
+    output = pipe_output("#{bin}/wayfinder-router route --json -", "Say hello")
+    assert_match '"schema_version": "3"', output
+    assert_match '"recommendation": "local"', output
+  end
+end

README.md

@@ -12,6 +12,17 @@ brew install asdecided/tap/asdecided-core
 server from signed-version GitHub Release archives published by
 [`asdecided/core`](https://github.com/asdecided/core).
 
+Install Wayfinder's local execution policy and model-routing gateway:
+
+```sh
+brew install asdecided/tap/wayfinder-router
+```
+
+`wayfinder-router` is built from the immutable tagged Rust source published by
+[`asdecided/WayfinderRouter`](https://github.com/asdecided/WayfinderRouter).
+Installation does not create a policy, start a service, or change provider
+credentials. Begin with `wayfinder-router init` and `wayfinder-router doctor`.
+
 `asdecided-full` is reserved for the complete ecosystem install. It will be
 added only when the SDK, connectors, editors, and other companions have
 independent release artifacts that this tap can install honestly.