refactor(core): migrate channel identity and binding across app

Align channel identity and bind flow across backend and app-facing layers, including generated swagger artifacts and package lock updates while excluding docs content changes.

db/queries/users.sql

@@ -1,20 +1,38 @@
 -- name: CreateUser :one
-INSERT INTO users (username, email, password_hash, role, display_name, avatar_url, is_active, data_root)
-VALUES (
-  sqlc.arg(username),
-  sqlc.arg(email),
-  sqlc.arg(password_hash),
-  sqlc.arg(role)::user_role,
-  sqlc.arg(display_name),
-  sqlc.arg(avatar_url),
-  sqlc.arg(is_active),
-  sqlc.arg(data_root)
-)
+INSERT INTO users (is_active, metadata)
+VALUES ($1, $2)
 RETURNING *;
 
--- name: UpsertUserByUsername :one
-INSERT INTO users (username, email, password_hash, role, display_name, avatar_url, is_active, data_root)
+-- name: GetUserByID :one
+SELECT *
+FROM users
+WHERE id = $1;
+
+-- name: UpdateUserStatus :one
+UPDATE users
+SET is_active = $2,
+    updated_at = now()
+WHERE id = $1
+RETURNING *;
+
+-- name: CreateAccount :one
+UPDATE users
+SET username = sqlc.arg(username),
+    email = sqlc.arg(email),
+    password_hash = sqlc.arg(password_hash),
+    role = sqlc.arg(role)::user_role,
+    display_name = sqlc.arg(display_name),
+    avatar_url = sqlc.arg(avatar_url),
+    is_active = sqlc.arg(is_active),
+    data_root = sqlc.arg(data_root),
+    updated_at = now()
+WHERE id = sqlc.arg(user_id)
+RETURNING *;
+
+-- name: UpsertAccountByUsername :one
+INSERT INTO users (id, username, email, password_hash, role, display_name, avatar_url, is_active, data_root, metadata)
 VALUES (
+  sqlc.arg(user_id),
   sqlc.arg(username),
   sqlc.arg(email),
   sqlc.arg(password_hash),
@@ -22,7 +40,8 @@ VALUES (
   sqlc.arg(display_name),
   sqlc.arg(avatar_url),
   sqlc.arg(is_active),
-  sqlc.arg(data_root)
+  sqlc.arg(data_root),
+  '{}'::jsonb
 )
 ON CONFLICT (username) DO UPDATE SET
   email = EXCLUDED.email,
@@ -35,39 +54,27 @@ ON CONFLICT (username) DO UPDATE SET
   updated_at = now()
 RETURNING *;
 
--- name: GetUserByUsername :one
+-- name: GetAccountByUsername :one
 SELECT * FROM users WHERE username = sqlc.arg(username);
 
--- name: GetUserByIdentity :one
+-- name: GetAccountByIdentity :one
 SELECT * FROM users WHERE username = sqlc.arg(identity) OR email = sqlc.arg(identity);
 
--- name: GetUserByID :one
-SELECT * FROM users WHERE id = sqlc.arg(id);
+-- name: GetAccountByUserID :one
+SELECT * FROM users WHERE id = sqlc.arg(user_id);
 
--- name: CreateUserWithID :one
-INSERT INTO users (id, username, email, password_hash, role, display_name, avatar_url, is_active, data_root)
-VALUES (
-  sqlc.arg(id),
-  sqlc.arg(username),
-  sqlc.arg(email),
-  sqlc.arg(password_hash),
-  sqlc.arg(role)::user_role,
-  sqlc.arg(display_name),
-  sqlc.arg(avatar_url),
-  sqlc.arg(is_active),
-  sqlc.arg(data_root)
-)
-RETURNING *;
+-- name: CountAccounts :one
+SELECT COUNT(*)::bigint AS count
+FROM users
+WHERE username IS NOT NULL
+  AND password_hash IS NOT NULL;
 
--- name: CountUsers :one
-SELECT COUNT(*)::bigint AS count FROM users;
-
--- name: ListUsers :many
+-- name: ListAccounts :many
 SELECT * FROM users
+WHERE username IS NOT NULL
 ORDER BY created_at DESC;
 
-
--- name: UpdateUserProfile :one
+-- name: UpdateAccountProfile :one
 UPDATE users
 SET display_name = $2,
     avatar_url = $3,
@@ -76,27 +83,26 @@ SET display_name = $2,
 WHERE id = $1
 RETURNING *;
 
--- name: UpdateUserAdmin :one
+-- name: UpdateAccountAdmin :one
 UPDATE users
 SET role = sqlc.arg(role)::user_role,
     display_name = sqlc.arg(display_name),
     avatar_url = sqlc.arg(avatar_url),
     is_active = sqlc.arg(is_active),
     updated_at = now()
-WHERE id = sqlc.arg(id)
+WHERE id = sqlc.arg(user_id)
 RETURNING *;
 
--- name: UpdateUserPassword :one
+-- name: UpdateAccountPassword :one
 UPDATE users
 SET password_hash = $2,
     updated_at = now()
 WHERE id = $1
 RETURNING *;
 
--- name: UpdateUserLastLogin :one
+-- name: UpdateAccountLastLogin :one
 UPDATE users
 SET last_login_at = now(),
     updated_at = now()
 WHERE id = $1
 RETURNING *;
-