Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

deps/db-sync/worker/migrations/0001_init.sql

@@ -0,0 +1,42 @@
+create table if not exists graphs (
+  graph_id text primary key,
+  graph_name text,
+  user_id text,
+  schema_version text,
+  created_at integer,
+  updated_at integer
+);
+
+create table if not exists users (
+  id text primary key,
+  email text,
+  email_verified integer,
+  username text
+);
+
+create table if not exists user_rsa_keys (
+  user_id text primary key,
+  public_key text,
+  encrypted_private_key text,
+  created_at integer,
+  updated_at integer
+);
+
+create table if not exists graph_members (
+  user_id text,
+  graph_id text,
+  role text,
+  invited_by text,
+  created_at integer,
+  primary key (user_id, graph_id),
+  check (role in ('manager', 'member'))
+);
+
+create table if not exists graph_aes_keys (
+  graph_id text,
+  user_id text,
+  encrypted_aes_key text,
+  created_at integer,
+  updated_at integer,
+  primary key (graph_id, user_id)
+);