refactor: add table primitive and migrations by date; feat: add mcp connectors

backend/migrations/20260613_02_projects_overview_rpc.sql

@@ -0,0 +1,81 @@
+-- Migration date: 2026-06-13
+
+-- Projects overview read model.
+-- Returns the project list, owner display name, and per-project counts in one
+-- database call for the /projects table.
+
+create or replace function public.get_projects_overview(
+  p_user_id text,
+  p_user_email text default null
+)
+returns table (
+  id uuid,
+  user_id text,
+  name text,
+  cm_number text,
+  shared_with jsonb,
+  created_at timestamptz,
+  updated_at timestamptz,
+  is_owner boolean,
+  owner_display_name text,
+  owner_email text,
+  document_count integer,
+  chat_count integer,
+  review_count integer
+)
+language sql
+stable
+as $$
+  with visible_projects as (
+    select p.*
+    from public.projects p
+    where p.user_id = p_user_id
+       or (
+        coalesce(p_user_email, '') <> ''
+        and p.user_id <> p_user_id
+        and p.shared_with @> jsonb_build_array(p_user_email)
+      )
+  ),
+  document_counts as (
+    select d.project_id, count(*)::integer as document_count
+    from public.documents d
+    where d.project_id in (select vp.id from visible_projects vp)
+    group by d.project_id
+  ),
+  chat_counts as (
+    select c.project_id, count(*)::integer as chat_count
+    from public.chats c
+    where c.project_id in (select vp.id from visible_projects vp)
+    group by c.project_id
+  ),
+  review_counts as (
+    select tr.project_id, count(*)::integer as review_count
+    from public.tabular_reviews tr
+    where tr.project_id in (select vp.id from visible_projects vp)
+    group by tr.project_id
+  )
+  select
+    vp.id,
+    vp.user_id,
+    vp.name,
+    vp.cm_number,
+    vp.shared_with,
+    vp.created_at,
+    vp.updated_at,
+    vp.user_id = p_user_id as is_owner,
+    nullif(trim(up.display_name), '') as owner_display_name,
+    null::text as owner_email,
+    coalesce(dc.document_count, 0) as document_count,
+    coalesce(cc.chat_count, 0) as chat_count,
+    coalesce(rc.review_count, 0) as review_count
+  from visible_projects vp
+  left join public.user_profiles up
+    on up.user_id::text = vp.user_id
+  left join document_counts dc
+    on dc.project_id = vp.id
+  left join chat_counts cc
+    on cc.project_id = vp.id
+  left join review_counts rc
+    on rc.project_id = vp.id
+  order by vp.created_at desc;
+$$;