Add workspaces, conversation sessions, app-managed computers and pictures

- Rail: Add icon with stacked form modals (bot, workspace, computer),
  coordinator, recent bots with "See all bots", Workspaces section, and
  a workspace mode listing only its crew
- Workspaces: page for context, bots (per-workspace instructions and
  memory), computers (default, link, unlink), models and delete;
  conversations scoped per bot per workspace
- Sessions: conversations split into searchable, reopenable sessions
  with carry-over summaries; sessions and new-session header icons
- Computers: created and provisioned over the docker socket, home dir
  kept at DATA_DIR/computers/<id> after delete; super admins only
- Models: workspace settings win over a bot's own, then the defaults
- Pictures for bots and workspaces; bots editable from the header
- Coordinator tools: update_workspace, set_bot_workspace_instructions

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/functions/backend/db/workspaces/delete-workspace.ts

@@ -0,0 +1,36 @@
+import deleteMedia from "@/src/functions/backend/db/media/delete-media";
+import BunSQLite from "@moduletrace/bun-sqlite";
+import AppError from "@/src/utils/app-error";
+import grabUserWorkspace from "./grab-user-workspace";
+
+type Params = {
+    user_id: number | string;
+    workspace_id: number | string;
+};
+
+/**
+ * Deletes one of the user's workspaces with its conversations, its
+ * links and its models. Its bots and computers stay.
+ */
+export default async function deleteWorkspace({ user_id, workspace_id }: Params) {
+    const workspace = await grabUserWorkspace({ workspace_id, user_id });
+
+    if (!workspace?.id) {
+        throw new AppError(`Workspace not found.`);
+    }
+
+    const res = await BunSQLite.sql({
+        sql: `DELETE FROM workspaces WHERE id = ?`,
+        values: [workspace.id],
+    });
+
+    if (!res.success) {
+        throw new Error(`Couldn't delete the workspace: ${res.error}`);
+    }
+
+    if (workspace.image_media_id) {
+        await deleteMedia({ id: workspace.image_media_id, user_id: Number(user_id) }).catch(() => {});
+    }
+
+    return workspace;
+}