feat: initial commit — HermesMessages SaaS platform

Backend (FastAPI + Python 3.12):
- Multi-tenant auth with JWT: login, register, refresh, Meta OAuth
- Business & BusinessConfig management
- WhatsApp webhook with HMAC signature verification
- Bot engine powered by Claude AI
- Calendar availability with Redis caching
- Reservations CRUD with status management
- Dashboard analytics (stats, agenda, peak hours)
- Billing & plan management
- Admin panel with platform-wide stats
- Async bcrypt via asyncio.to_thread
- IntegrityError handling for concurrent registration race conditions

Frontend (React 18 + Vite + Tailwind CSS):
- Multi-step guided registration form with helper text on every field
- Login page with show/hide password toggle
- Protected routes with AuthContext
- Dashboard with stats cards, bar chart, and daily agenda
- Reservations list with search, filters, and inline status actions
- Calendar with weekly view, slot availability, and date blocking
- Config page: business info, schedules, bot personality
- Billing page with plan comparison and usage bar

Design system:
- Bricolage Grotesque + DM Sans typography
- Emerald primary palette with semantic color tokens
- scale(0.97) button press feedback, ease-out animations
- Skeleton loaders, stagger animations, prefers-reduced-motion support
- Accessible: aria-labels, visible focus rings, 4.5:1 contrast

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/modules/dashboard/router.py

@@ -0,0 +1,35 @@
+from datetime import date
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_db
+from app.core.dependencies import get_current_business
+from app.modules.dashboard import schemas, service
+
+router = APIRouter()
+
+
+@router.get("/stats", response_model=schemas.ReservationStats)
+async def get_stats(
+    business_id: int = Depends(get_current_business),
+    db: AsyncSession = Depends(get_db),
+):
+    return await service.get_stats(db, business_id)
+
+
+@router.get("/agenda", response_model=list[schemas.AgendaItem])
+async def get_agenda(
+    date: date,
+    business_id: int = Depends(get_current_business),
+    db: AsyncSession = Depends(get_db),
+):
+    return await service.get_agenda(db, business_id, date)
+
+
+@router.get("/peak-hours", response_model=list[schemas.PeakHour])
+async def get_peak_hours(
+    business_id: int = Depends(get_current_business),
+    db: AsyncSession = Depends(get_db),
+):
+    return await service.get_peak_hours(db, business_id)

backend/app/modules/dashboard/schemas.py

@@ -0,0 +1,26 @@
+from datetime import date as Date, time as Time
+
+from pydantic import BaseModel
+
+
+class ReservationStats(BaseModel):
+    today: int
+    this_week: int
+    this_month: int
+
+
+class AgendaItem(BaseModel):
+    id: int
+    client_name: str
+    client_phone: str
+    time_start: Time
+    time_end: Time
+    party_size: int
+    status: str
+
+    model_config = {"from_attributes": True}
+
+
+class PeakHour(BaseModel):
+    hour: int
+    total: int

backend/app/modules/dashboard/service.py

@@ -0,0 +1,65 @@
+from datetime import date, timedelta
+
+from sqlalchemy import and_, extract, func, select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.modules.dashboard.schemas import AgendaItem, PeakHour, ReservationStats
+from app.modules.reservations.models import Reservation
+
+
+async def get_stats(db: AsyncSession, business_id: int) -> ReservationStats:
+    today = date.today()
+    week_start = today - timedelta(days=today.weekday())
+    month_start = today.replace(day=1)
+
+    async def count(start: date, end: date) -> int:
+        result = await db.execute(
+            select(func.count(Reservation.id)).where(
+                and_(
+                    Reservation.business_id == business_id,
+                    Reservation.date >= start,
+                    Reservation.date <= end,
+                    Reservation.status.in_(["pending", "confirmed"]),
+                )
+            )
+        )
+        return result.scalar_one()
+
+    return ReservationStats(
+        today=await count(today, today),
+        this_week=await count(week_start, today),
+        this_month=await count(month_start, today),
+    )
+
+
+async def get_agenda(db: AsyncSession, business_id: int, target_date: date) -> list[AgendaItem]:
+    result = await db.execute(
+        select(Reservation)
+        .where(
+            and_(
+                Reservation.business_id == business_id,
+                Reservation.date == target_date,
+                Reservation.status.in_(["pending", "confirmed"]),
+            )
+        )
+        .order_by(Reservation.time_start)
+    )
+    return result.scalars().all()
+
+
+async def get_peak_hours(db: AsyncSession, business_id: int) -> list[PeakHour]:
+    result = await db.execute(
+        select(
+            extract("hour", Reservation.time_start).label("hour"),
+            func.count(Reservation.id).label("total"),
+        )
+        .where(
+            and_(
+                Reservation.business_id == business_id,
+                Reservation.status.in_(["confirmed", "no_show"]),
+            )
+        )
+        .group_by("hour")
+        .order_by("hour")
+    )
+    return [PeakHour(hour=int(row.hour), total=row.total) for row in result.all()]