feat: implement Phase 1 Foundation for AutoScheduler GTD System

- Initialize npm workspaces monorepo (backend, frontend, shared-types)
- Scaffold NestJS backend with modules: Auth, Users, Tasks, Projects, Inbox, Health
- Create React frontend with Vite, TailwindCSS, Radix UI
- Implement TypeORM entities: User, InboxItem, Task, Project
- Add JWT authentication with Passport.js and bcrypt
- Build Inbox capture API (POST /inbox, GET /inbox, POST /inbox/:id/process)
- Create Inbox UI with quick-add form and GTD processing workflow modal
- Configure Docker Compose stack (postgres, redis, backend, frontend)
- Add health check endpoint with database/Redis status
- Write unit tests for auth and inbox services

Phase 1 features complete:
- GTD Inbox Capture: Manual tasks via web form quick-add
- GTD Processing Workflow: Interactive inbox processing interface

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/frontend/Dockerfile

@@ -0,0 +1,24 @@
+FROM node:20-alpine AS base
+RUN corepack enable && corepack prepare pnpm@9.0.0 --activate
+
+FROM base AS builder
+WORKDIR /app
+
+COPY package.json pnpm-workspace.yaml pnpm-lock.yaml* ./
+COPY packages/shared-types/package.json ./packages/shared-types/
+COPY packages/frontend/package.json ./packages/frontend/
+
+RUN pnpm install --frozen-lockfile || pnpm install
+
+COPY packages/shared-types ./packages/shared-types
+COPY packages/frontend ./packages/frontend
+
+RUN pnpm --filter @nick-tracker/shared-types build
+RUN pnpm --filter @nick-tracker/frontend build
+
+FROM nginx:alpine AS runner
+COPY --from=builder /app/packages/frontend/dist /usr/share/nginx/html
+COPY packages/frontend/nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]