feat: add appointments, campaigns, admin, storage, tests and various updates

- Add new routers: admin, appointments, campaigns
- Add storage service and logging config
- Add migrations directory and test suite with pytest config
- Add supabase_migration_features.sql
- Update models, dependencies, config, and existing routers
- Remove whatsapp_service (deleted)
- Update pyproject.toml and uv.lock dependencies

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

migrations/001_user_profiles.sql

@@ -0,0 +1,42 @@
+-- Migration 001: User profiles for admin flag and account suspension
+-- Run this in Supabase SQL editor
+
+CREATE TABLE IF NOT EXISTS user_profiles (
+    user_id UUID PRIMARY KEY REFERENCES auth.users(id) ON DELETE CASCADE,
+    is_admin BOOLEAN DEFAULT FALSE NOT NULL,
+    suspended_at TIMESTAMPTZ,
+    suspended_reason TEXT,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- Enable RLS: users can only read their own profile; service role bypasses RLS
+ALTER TABLE user_profiles ENABLE ROW LEVEL SECURITY;
+
+CREATE POLICY "users_read_own_profile" ON user_profiles
+    FOR SELECT USING (auth.uid() = user_id);
+
+-- Index for fast admin lookups
+CREATE INDEX IF NOT EXISTS idx_user_profiles_admin ON user_profiles(is_admin) WHERE is_admin = TRUE;
+
+-- Backfill existing users
+INSERT INTO user_profiles (user_id)
+SELECT id FROM auth.users
+ON CONFLICT (user_id) DO NOTHING;
+
+-- Trigger: auto-create profile row when a new user signs up
+CREATE OR REPLACE FUNCTION create_user_profile()
+RETURNS TRIGGER AS $$
+BEGIN
+    INSERT INTO user_profiles (user_id) VALUES (NEW.id) ON CONFLICT (user_id) DO NOTHING;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+
+DROP TRIGGER IF EXISTS on_auth_user_created ON auth.users;
+CREATE TRIGGER on_auth_user_created
+    AFTER INSERT ON auth.users
+    FOR EACH ROW EXECUTE FUNCTION create_user_profile();
+
+-- To grant admin to the first admin user (run separately after applying migration):
+-- UPDATE user_profiles SET is_admin = TRUE WHERE user_id = '<your-user-uuid>';