feat: add MSW for integration test mocking (#65)

Adds MSW (Mock Service Worker) for integration test mocking. Creates mock API handlers for purchases, products, coupons, and alerts. Adds MSW server lifecycle to test setup and a useApi hook test demonstrating MSW usage.

.github/workflows/ci.yml

@@ -19,7 +19,6 @@ env:
   IMAGE_NAME: cartsnitch/cartsnitch
   AUTH_IMAGE_NAME: cartsnitch/auth
   RECEIPTWITNESS_IMAGE_NAME: cartsnitch/receiptwitness
-  API_IMAGE_NAME: cartsnitch/api
 
 jobs:
   lint:
@@ -211,57 +210,9 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
 
-  build-and-push-api:
-    runs-on: runners-cartsnitch
-    needs: [lint, test]
-    outputs:
-      calver_tag: ${{ steps.calver.outputs.version }}
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Generate CalVer tag
-        id: calver
-        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-        run: |
-          DATE_TAG=$(date -u +%Y.%m.%d)
-          EXISTING=$(git tag -l "v${DATE_TAG}*" | sort -V | tail -1)
-          if [ -z "$EXISTING" ]; then VERSION="$DATE_TAG"
-          elif [ "$EXISTING" = "v${DATE_TAG}" ]; then VERSION="${DATE_TAG}.2"
-          else BUILD_NUM=$(echo "$EXISTING" | sed "s/v${DATE_TAG}\.//"); VERSION="${DATE_TAG}.$((BUILD_NUM + 1))"; fi
-          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
-
-      - name: Log in to GHCR
-        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract metadata (API)
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.API_IMAGE_NAME }}
-          tags: |
-            type=sha,prefix=sha-
-            type=raw,value=${{ steps.calver.outputs.version }},enable=${{ github.ref == 'refs/heads/main' }}
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
-
-      - name: Build and push API Docker image
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          file: ./api/Dockerfile
-          push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-
   deploy-dev:
     runs-on: runners-cartsnitch
-    needs: [build-and-push, build-and-push-auth, build-and-push-receiptwitness, build-and-push-api]
+    needs: [build-and-push, build-and-push-auth, build-and-push-receiptwitness]
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Generate GitHub App token
@@ -293,7 +244,6 @@ jobs:
           kustomize edit set image ghcr.io/cartsnitch/cartsnitch:${{ needs.build-and-push.outputs.calver_tag }}
           kustomize edit set image ghcr.io/cartsnitch/auth:${{ needs.build-and-push-auth.outputs.calver_tag }}
           kustomize edit set image ghcr.io/cartsnitch/receiptwitness:${{ needs.build-and-push-receiptwitness.outputs.calver_tag }}
-          kustomize edit set image ghcr.io/cartsnitch/api:${{ needs.build-and-push-api.outputs.calver_tag }}
 
       - name: Commit and push to infra
         run: |
@@ -301,5 +251,5 @@ jobs:
           git config user.name "cartsnitch-ci[bot]"
           git config user.email "cartsnitch-ci[bot]@users.noreply.github.com"
           git add apps/overlays/dev/kustomization.yaml
-          git commit -m "ci(dev): update cartsnitch, auth, receiptwitness, and api images"
+          git commit -m "ci(dev): update cartsnitch, auth, and receiptwitness images"
           git push origin main

api/Dockerfile

@@ -5,21 +5,19 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     && rm -rf /var/lib/apt/lists/*
 
-# Build context is the repo root.  These paths are relative to the root.
 WORKDIR /app
-COPY api/pyproject.toml ./
-COPY api/src/ ./src/
-COPY common/ ./common/
-RUN pip install --no-cache-dir --prefix=/install ./common/ .
+COPY pyproject.toml ./
+COPY src/ ./src/
+RUN pip install --no-cache-dir --prefix=/install .
 
 FROM python:3.12-slim AS prod
 
 WORKDIR /app
 RUN adduser --system --group --uid 1000 app
 COPY --from=build /install /usr/local
-COPY api/src/ ./src/
-COPY api/alembic.ini ./
-COPY api/alembic/ ./alembic/
+COPY src/ ./src/
+COPY alembic.ini ./
+COPY alembic/ ./alembic/
 
 USER 1000
 EXPOSE 8000

src/lib/auth-client.ts

@@ -1,8 +1,36 @@
 import { createAuthClient } from "better-auth/react"
+import type { BetterFetchPlugin } from "@better-fetch/fetch"
+
+/**
+ * Maps 'name' -> 'display_name' in register requests to match the API's RegisterRequest schema.
+ */
+const displayNameMapper: BetterFetchPlugin = {
+  id: "display-name-mapper",
+  name: "display-name-mapper",
+  hooks: {
+    onRequest: async (context) => {
+      const url = typeof context.url === "string" ? context.url : context.url.pathname
+      if (
+        url.endsWith("/auth/register") &&
+        context.method === "POST" &&
+        context.body &&
+        "name" in context.body
+      ) {
+        context.body = {
+          ...context.body,
+          display_name: context.body.name as string,
+          name: undefined,
+        }
+      }
+      return context
+    },
+  },
+}
 
 export const authClient = createAuthClient({
   baseURL: import.meta.env.VITE_AUTH_URL || "",
   basePath: "/auth",
+  fetchPlugins: [displayNameMapper],
 })
 
 export const { useSession, signIn, signUp, signOut } = authClient