feat: convert network-topology to a full plugin (B1)

src/backend/database/db/index.ts

@@ -1745,30 +1745,6 @@ const migrateSchema = () => {
     }
   }
 
-  try {
-    sqlite
-      .prepare("SELECT id FROM network_topology LIMIT 1")
-      .get();
-  } catch {
-    try {
-      sqlite.exec(`
-        CREATE TABLE IF NOT EXISTS network_topology (
-          id INTEGER PRIMARY KEY AUTOINCREMENT,
-          user_id TEXT NOT NULL,
-          topology TEXT,
-          created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
-          updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
-          FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
-        );
-      `);
-    } catch (createError) {
-      databaseLogger.warn("Failed to create network_topology table", {
-        operation: "schema_migration",
-        error: createError,
-      });
-    }
-  }
-
   try {
     sqlite.prepare("SELECT role_id FROM host_access LIMIT 1").get();
   } catch {

src/backend/database/db/schema.mysql.ts

@@ -718,20 +718,6 @@ export const commandHistory = mysqlTable(
   ],
 );
 
-export const networkTopology = mysqlTable("network_topology", {
-  id: int("id").autoincrement().primaryKey(),
-  userId: varchar("user_id", { length: 255 })
-    .notNull()
-    .references(() => users.id, { onDelete: "cascade" }),
-  topology: text("topology"),
-  createdAt: varchar("created_at", { length: 255 })
-    .notNull()
-    .default(sql`(CURRENT_TIMESTAMP)`),
-  updatedAt: varchar("updated_at", { length: 255 })
-    .notNull()
-    .default(sql`(CURRENT_TIMESTAMP)`),
-});
-
 export const hostAccess = mysqlTable(
   "host_access",
   {

src/backend/database/db/schema.pg.ts

@@ -719,20 +719,6 @@ export const commandHistory = pgTable(
   ],
 );
 
-export const networkTopology = pgTable("network_topology", {
-  id: serial("id").primaryKey(),
-  userId: varchar("user_id", { length: 255 })
-    .notNull()
-    .references(() => users.id, { onDelete: "cascade" }),
-  topology: text("topology"),
-  createdAt: varchar("created_at", { length: 255 })
-    .notNull()
-    .default(sql`CURRENT_TIMESTAMP`),
-  updatedAt: varchar("updated_at", { length: 255 })
-    .notNull()
-    .default(sql`CURRENT_TIMESTAMP`),
-});
-
 export const hostAccess = pgTable(
   "host_access",
   {

src/backend/database/db/schema.ts

@@ -711,20 +711,6 @@ export const commandHistory = sqliteTable(
   ],
 );
 
-export const networkTopology = sqliteTable("network_topology", {
-  id: integer("id").primaryKey({ autoIncrement: true }),
-  userId: text("user_id")
-    .notNull()
-    .references(() => users.id, { onDelete: "cascade" }),
-  topology: text("topology"),
-  createdAt: text("created_at")
-    .notNull()
-    .default(sql`CURRENT_TIMESTAMP`),
-  updatedAt: text("updated_at")
-    .notNull()
-    .default(sql`CURRENT_TIMESTAMP`),
-});
-
 export const hostAccess = sqliteTable(
   "host_access",
   {