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backend/migrations/000_one_shot_schema.sql

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+-- Mike one-shot Supabase schema
+-- Based on supabase-migration.sql plus the later backend/migrations/*.sql files.
+-- Use this for a fresh Supabase database. Existing deployments should continue
+-- to apply the incremental migration files instead.
+
+create extension if not exists "pgcrypto";
+
+-- ---------------------------------------------------------------------------
+-- User profiles
+-- ---------------------------------------------------------------------------
+
+create table if not exists public.user_profiles (
+  id uuid primary key default gen_random_uuid(),
+  user_id uuid not null unique references auth.users(id) on delete cascade,
+  display_name text,
+  organisation text,
+  tier text not null default 'Free',
+  message_credits_used integer not null default 0,
+  credits_reset_date timestamptz not null default (now() + interval '30 days'),
+  tabular_model text not null default 'gemini-3-flash-preview',
+  claude_api_key text,
+  gemini_api_key text,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_user_profiles_user
+  on public.user_profiles(user_id);
+
+alter table public.user_profiles enable row level security;
+
+drop policy if exists "Users can view their own profile" on public.user_profiles;
+create policy "Users can view their own profile"
+  on public.user_profiles for select
+  using (auth.uid() = user_id);
+
+drop policy if exists "Users can update their own profile" on public.user_profiles;
+create policy "Users can update their own profile"
+  on public.user_profiles for update
+  using (auth.uid() = user_id);
+
+create or replace function public.handle_new_user()
+returns trigger
+language plpgsql
+security definer
+set search_path = public
+as $$
+begin
+  insert into public.user_profiles (user_id)
+  values (new.id)
+  on conflict (user_id) do nothing;
+  return new;
+exception when others then
+  -- Never block signup if the profile insert fails.
+  return new;
+end;
+$$;
+
+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 procedure public.handle_new_user();
+
+-- ---------------------------------------------------------------------------
+-- Projects and documents
+-- ---------------------------------------------------------------------------
+
+create table if not exists public.projects (
+  id uuid primary key default gen_random_uuid(),
+  user_id text not null,
+  name text not null,
+  cm_number text,
+  visibility text not null default 'private',
+  shared_with jsonb not null default '[]'::jsonb,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_projects_user
+  on public.projects(user_id);
+
+create index if not exists projects_shared_with_idx
+  on public.projects using gin (shared_with);
+
+create table if not exists public.project_subfolders (
+  id uuid primary key default gen_random_uuid(),
+  project_id uuid not null references public.projects(id) on delete cascade,
+  user_id text not null,
+  name text not null,
+  parent_folder_id uuid references public.project_subfolders(id) on delete cascade,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_project_subfolders_project
+  on public.project_subfolders(project_id);
+
+create table if not exists public.documents (
+  id uuid primary key default gen_random_uuid(),
+  project_id uuid references public.projects(id) on delete cascade,
+  user_id text not null,
+  filename text not null,
+  file_type text,
+  size_bytes integer not null default 0,
+  page_count integer,
+  structure_tree jsonb,
+  status text not null default 'pending',
+  folder_id uuid references public.project_subfolders(id) on delete set null,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_documents_user_project
+  on public.documents(user_id, project_id);
+
+create index if not exists idx_documents_project_folder
+  on public.documents(project_id, folder_id);
+
+create table if not exists public.document_versions (
+  id uuid primary key default gen_random_uuid(),
+  document_id uuid not null references public.documents(id) on delete cascade,
+  storage_path text not null,
+  pdf_storage_path text,
+  source text not null default 'upload',
+  version_number integer,
+  display_name text,
+  created_at timestamptz not null default now(),
+  constraint document_versions_source_check
+    check (source = any (array[
+      'upload'::text,
+      'user_upload'::text,
+      'assistant_edit'::text,
+      'user_accept'::text,
+      'user_reject'::text,
+      'generated'::text
+    ]))
+);
+
+create index if not exists document_versions_document_id_idx
+  on public.document_versions(document_id, created_at desc);
+
+create index if not exists document_versions_doc_vnum_idx
+  on public.document_versions(document_id, version_number);
+
+alter table public.documents
+  add column if not exists current_version_id uuid
+  references public.document_versions(id) on delete set null;
+
+create table if not exists public.document_edits (
+  id uuid primary key default gen_random_uuid(),
+  document_id uuid not null references public.documents(id) on delete cascade,
+  chat_message_id uuid,
+  version_id uuid not null references public.document_versions(id) on delete cascade,
+  change_id text not null,
+  del_w_id text,
+  ins_w_id text,
+  deleted_text text not null default '',
+  inserted_text text not null default '',
+  context_before text,
+  context_after text,
+  status text not null default 'pending'
+    check (status = any (array[
+      'pending'::text,
+      'accepted'::text,
+      'rejected'::text
+    ])),
+  created_at timestamptz not null default now(),
+  resolved_at timestamptz
+);
+
+create index if not exists document_edits_document_id_idx
+  on public.document_edits(document_id, created_at desc);
+
+create index if not exists document_edits_message_id_idx
+  on public.document_edits(chat_message_id);
+
+create index if not exists document_edits_version_id_idx
+  on public.document_edits(version_id);
+
+-- ---------------------------------------------------------------------------
+-- Workflows
+-- ---------------------------------------------------------------------------
+
+create table if not exists public.workflows (
+  id uuid primary key default gen_random_uuid(),
+  user_id text,
+  title text not null,
+  type text not null,
+  prompt_md text,
+  columns_config jsonb,
+  practice text,
+  is_system boolean not null default false,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_workflows_user
+  on public.workflows(user_id);
+
+create table if not exists public.hidden_workflows (
+  id uuid primary key default gen_random_uuid(),
+  user_id text not null,
+  workflow_id text not null,
+  created_at timestamptz not null default now(),
+  unique(user_id, workflow_id)
+);
+
+create index if not exists idx_hidden_workflows_user
+  on public.hidden_workflows(user_id);
+
+create table if not exists public.workflow_shares (
+  id uuid primary key default gen_random_uuid(),
+  workflow_id uuid not null references public.workflows(id) on delete cascade,
+  shared_by_user_id text not null,
+  shared_with_email text not null,
+  allow_edit boolean not null default false,
+  created_at timestamptz not null default now(),
+  constraint workflow_shares_workflow_email_unique
+    unique(workflow_id, shared_with_email)
+);
+
+create index if not exists workflow_shares_workflow_id_idx
+  on public.workflow_shares(workflow_id);
+
+create index if not exists workflow_shares_email_idx
+  on public.workflow_shares(shared_with_email);
+
+-- ---------------------------------------------------------------------------
+-- Assistant chats
+-- ---------------------------------------------------------------------------
+
+create table if not exists public.chats (
+  id uuid primary key default gen_random_uuid(),
+  project_id uuid references public.projects(id) on delete cascade,
+  user_id text not null,
+  title text,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_chats_user
+  on public.chats(user_id);
+
+create index if not exists idx_chats_project
+  on public.chats(project_id);
+
+create table if not exists public.chat_messages (
+  id uuid primary key default gen_random_uuid(),
+  chat_id uuid not null references public.chats(id) on delete cascade,
+  role text not null,
+  content jsonb,
+  files jsonb,
+  annotations jsonb,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_chat_messages_chat
+  on public.chat_messages(chat_id);
+
+do $$
+begin
+  if not exists (
+    select 1
+    from pg_constraint
+    where conname = 'document_edits_chat_message_id_fkey'
+      and conrelid = 'public.document_edits'::regclass
+  ) then
+    alter table public.document_edits
+      add constraint document_edits_chat_message_id_fkey
+      foreign key (chat_message_id)
+      references public.chat_messages(id)
+      on delete set null;
+  end if;
+end;
+$$;
+
+-- ---------------------------------------------------------------------------
+-- Tabular reviews
+-- ---------------------------------------------------------------------------
+
+create table if not exists public.tabular_reviews (
+  id uuid primary key default gen_random_uuid(),
+  project_id uuid references public.projects(id) on delete cascade,
+  user_id text not null,
+  title text,
+  columns_config jsonb,
+  workflow_id uuid references public.workflows(id) on delete set null,
+  practice text,
+  shared_with jsonb not null default '[]'::jsonb,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_tabular_reviews_user
+  on public.tabular_reviews(user_id);
+
+create index if not exists idx_tabular_reviews_project
+  on public.tabular_reviews(project_id);
+
+create index if not exists tabular_reviews_shared_with_idx
+  on public.tabular_reviews using gin (shared_with);
+
+create table if not exists public.tabular_cells (
+  id uuid primary key default gen_random_uuid(),
+  review_id uuid not null references public.tabular_reviews(id) on delete cascade,
+  document_id uuid not null references public.documents(id) on delete cascade,
+  column_index integer not null,
+  content text,
+  citations jsonb,
+  status text not null default 'pending',
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_tabular_cells_review
+  on public.tabular_cells(review_id, document_id, column_index);
+
+create table if not exists public.tabular_review_chats (
+  id uuid primary key default gen_random_uuid(),
+  review_id uuid not null references public.tabular_reviews(id) on delete cascade,
+  user_id text not null,
+  title text,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+create index if not exists tabular_review_chats_review_idx
+  on public.tabular_review_chats(review_id, updated_at desc);
+
+create index if not exists tabular_review_chats_user_idx
+  on public.tabular_review_chats(user_id);
+
+create table if not exists public.tabular_review_chat_messages (
+  id uuid primary key default gen_random_uuid(),
+  chat_id uuid not null references public.tabular_review_chats(id) on delete cascade,
+  role text not null,
+  content jsonb,
+  annotations jsonb,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists tabular_review_chat_messages_chat_idx
+  on public.tabular_review_chat_messages(chat_id, created_at);