chore: pull protos from BSR module instead of vendoring

.github/workflows/ci.yaml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+
+      - name: Generate protos from BSR
+        run: bun run generate
+
+      - name: Check generated code is in sync
+        run: |
+          git add -N src/generated/
+          if ! git diff --exit-code src/generated/; then
+            echo "::error::src/generated/ is out of sync with buf.build/photon-hq/whatsapp — run 'bun run generate' and commit the result."
+            exit 1
+          fi
+
+      - name: Type-check
+        run: bun run check
+
+      - name: Lint
+        run: bun run lint
+
+      - name: Test
+        run: bun test
+
+      - name: Build
+        run: bun run build

README.md

@@ -64,7 +64,7 @@ The webhook endpoint is free, public, and shared across all developers. You don'
 
 ```bash
 bun install          # install dependencies
-bun run generate     # regenerate protobuf types
+bun run generate     # regenerate protobuf types from buf.build/photon-hq/whatsapp
 bun run build        # generate + bundle with tsup
 bun run check        # type-check
 bun run lint         # lint with Biome

buf.gen.yaml

@@ -1,4 +1,8 @@
 version: v2
+inputs:
+  # Pinned BSR commit (main @ spectrum-whatsapp-business 17e7e9c).
+  # To pick up schema changes: update the ref, run `bun run generate`, commit both.
+  - module: buf.build/photon-hq/whatsapp:b218d3336d65421c8b215137797db344
 plugins:
   - local: protoc-gen-ts_proto
     out: src/generated

package.json

@@ -11,8 +11,7 @@
     }
   },
   "files": [
-    "dist",
-    "proto"
+    "dist"
   ],
   "engines": {
     "node": ">=18"