feat: rebuild workspaces as the reference plugin

src/backend/database/db/index.ts

@@ -2839,36 +2839,6 @@ const migrateSchema = () => {
   }
   // --- fleets end ---
 
-  // --- workspaces begin ---
-  try {
-    sqlite.prepare("SELECT id FROM user_workspaces LIMIT 1").get();
-  } catch {
-    try {
-      sqlite.exec(`
-        CREATE TABLE IF NOT EXISTS user_workspaces (
-          id INTEGER PRIMARY KEY AUTOINCREMENT,
-          user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
-          name TEXT NOT NULL,
-          color TEXT,
-          icon TEXT,
-          kind TEXT NOT NULL DEFAULT 'manual',
-          is_default INTEGER NOT NULL DEFAULT 0,
-          payload TEXT NOT NULL DEFAULT '{}',
-          sync_id TEXT UNIQUE,
-          created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
-          updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
-          last_used_at TEXT
-        );
-      `);
-    } catch (createError) {
-      databaseLogger.warn("Failed to create user_workspaces table", {
-        operation: "schema_migration",
-        error: createError,
-      });
-    }
-  }
-  // --- workspaces end ---
-
   // --- sync begin ---
   // Stable per-row identity used to match rows across two independently-
   // seeded databases (the embedded desktop backend and a connected remote

src/backend/database/db/performance-indexes.ts

@@ -152,11 +152,6 @@ export const PERFORMANCE_INDEXES: PerformanceIndex[] = [
     table: "user_open_tabs",
     columns: "user_id",
   },
-  {
-    name: "idx_user_workspaces_user_id",
-    table: "user_workspaces",
-    columns: "user_id",
-  },
   {
     name: "idx_homepage_items_user_id",
     table: "homepage_items",

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

@@ -1780,36 +1780,7 @@ export const fleetInventory = mysqlTable(
 );
 // --- fleets end ---
 
-// --- workspaces begin ---
-export const userWorkspaces = mysqlTable(
-  "user_workspaces",
-  {
-    id: int("id").autoincrement().primaryKey(),
-    userId: varchar("user_id", { length: 255 })
-      .notNull()
-      .references(() => users.id, { onDelete: "cascade" }),
-    name: varchar("name", { length: 255 }).notNull(),
-    color: text("color"),
-    icon: text("icon"),
-    // "manual" | "last_session" - exactly one last_session row per user.
-    kind: text("kind").notNull().default("manual"),
-    isDefault: boolean("is_default")
-      .notNull()
-      .default(false),
-    // JSON-encoded WorkspacePayload: tabs, splitMode, paneTabIds, rowSizes, rowColSizes
-    payload: text("payload").notNull().default("{}"),
-    syncId: varchar("sync_id", { length: 255 }).unique(),
-    createdAt: varchar("created_at", { length: 255 })
-      .notNull()
-      .default(sql`(CURRENT_TIMESTAMP)`),
-    updatedAt: varchar("updated_at", { length: 255 })
-      .notNull()
-      .default(sql`(CURRENT_TIMESTAMP)`),
-    lastUsedAt: text("last_used_at"),
-  },
-  (table) => [index("idx_user_workspaces_user_id").on(table.userId)],
-);
-// --- workspaces end ---
+
 
 // --- sync begin ---
 // Records a delete for a synced entity type so the other side of a sync

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

@@ -1781,36 +1781,7 @@ export const fleetInventory = pgTable(
 );
 // --- fleets end ---
 
-// --- workspaces begin ---
-export const userWorkspaces = pgTable(
-  "user_workspaces",
-  {
-    id: serial("id").primaryKey(),
-    userId: varchar("user_id", { length: 255 })
-      .notNull()
-      .references(() => users.id, { onDelete: "cascade" }),
-    name: varchar("name", { length: 255 }).notNull(),
-    color: text("color"),
-    icon: text("icon"),
-    // "manual" | "last_session" - exactly one last_session row per user.
-    kind: text("kind").notNull().default("manual"),
-    isDefault: boolean("is_default")
-      .notNull()
-      .default(false),
-    // JSON-encoded WorkspacePayload: tabs, splitMode, paneTabIds, rowSizes, rowColSizes
-    payload: text("payload").notNull().default("{}"),
-    syncId: varchar("sync_id", { length: 255 }).unique(),
-    createdAt: varchar("created_at", { length: 255 })
-      .notNull()
-      .default(sql`CURRENT_TIMESTAMP`),
-    updatedAt: varchar("updated_at", { length: 255 })
-      .notNull()
-      .default(sql`CURRENT_TIMESTAMP`),
-    lastUsedAt: text("last_used_at"),
-  },
-  (table) => [index("idx_user_workspaces_user_id").on(table.userId)],
-);
-// --- workspaces end ---
+
 
 // --- sync begin ---
 // Records a delete for a synced entity type so the other side of a sync

src/backend/database/db/schema.ts

@@ -1779,36 +1779,7 @@ export const fleetInventory = sqliteTable(
 );
 // --- fleets end ---
 
-// --- workspaces begin ---
-export const userWorkspaces = sqliteTable(
-  "user_workspaces",
-  {
-    id: integer("id").primaryKey({ autoIncrement: true }),
-    userId: text("user_id")
-      .notNull()
-      .references(() => users.id, { onDelete: "cascade" }),
-    name: text("name").notNull(),
-    color: text("color"),
-    icon: text("icon"),
-    // "manual" | "last_session" - exactly one last_session row per user.
-    kind: text("kind").notNull().default("manual"),
-    isDefault: integer("is_default", { mode: "boolean" })
-      .notNull()
-      .default(false),
-    // JSON-encoded WorkspacePayload: tabs, splitMode, paneTabIds, rowSizes, rowColSizes
-    payload: text("payload").notNull().default("{}"),
-    syncId: text("sync_id").unique(),
-    createdAt: text("created_at")
-      .notNull()
-      .default(sql`CURRENT_TIMESTAMP`),
-    updatedAt: text("updated_at")
-      .notNull()
-      .default(sql`CURRENT_TIMESTAMP`),
-    lastUsedAt: text("last_used_at"),
-  },
-  (table) => [index("idx_user_workspaces_user_id").on(table.userId)],
-);
-// --- workspaces end ---
+
 
 // --- sync begin ---
 // Records a delete for a synced entity type so the other side of a sync