ci: publish experimental snapshots from the experimental branch

- release-experimental.yml publishes better-call@0.0.0-experimental.<sha>
  under the 'experimental' dist-tag on pushes to the experimental branch
- run CI on the experimental branch
- drop unused deps and dead ./client and ./node exports from the
  experimental package
- remove the example app and its references

Author: Bekacru

.cspell.jsonc

@@ -13,6 +13,7 @@
 		"attw",
 		"bumpp",
 		"arktype",
+		"nvmrc",
 
 		// auth words
 		"scim",

.github/workflows/ci.yml

@@ -5,10 +5,12 @@ on:
         branches:
             - main
             - v*.x
+            - experimental
     push:
         branches:
             - main
             - v*.x
+            - experimental
     merge_group: {}
 
 jobs:

.github/workflows/release-experimental.yml

@@ -0,0 +1,51 @@
+name: Release Experimental
+
+on:
+  push:
+    branches:
+      - experimental
+    paths:
+      - 'packages/experimental/**'
+      - '.github/workflows/release-experimental.yml'
+  workflow_dispatch: {}
+
+permissions: {}
+
+concurrency:
+  group: release-experimental
+  cancel-in-progress: false
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    environment: release
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          fetch-depth: 0
+
+      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
+
+      - uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
+        with:
+          node-version-file: '.nvmrc'
+          registry-url: 'https://registry.npmjs.org'
+          cache: pnpm
+
+      - run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: pnpm --filter ./packages/experimental build
+
+      - name: Stamp snapshot version
+        working-directory: packages/experimental
+        run: |
+          VERSION="0.0.0-experimental.$(git rev-parse --short=8 HEAD)"
+          npm pkg set version="$VERSION"
+          echo "Publishing better-call@$VERSION under the 'experimental' dist-tag"
+
+      - name: Publish to npm
+        run: pnpm --filter ./packages/experimental publish --provenance --access public --no-git-checks --tag experimental

example/package.json

@@ -1,17 +1,17 @@
 {
 	"$schema": "https://unpkg.com/knip@5/schema-jsonc.json",
 	"workspaces": {
-		"./example": {
-			"project": ["example/**/*.ts!"],
+		"./packages/*": {
+			"project": ["src/**/*.ts!"],
 			"ignoreDependencies": [
-				"better-call",
-				"zod",
-				"arktype",
-				"effect",
-				"valibot"
+				// implicit dependencies
+				"zod"
 			]
 		},
-		"./packages/*": {
+		// WIP package: treat all sources as entries so the settling export
+		// surface isn't policed; unused dependencies are still reported.
+		"./packages/experimental": {
+			"entry": ["src/**/*.ts!"],
 			"project": ["src/**/*.ts!"],
 			"ignoreDependencies": [
 				// implicit dependencies