fix(docs): move Documentation to database context menu

apps/desktop/src/components/objects/__tests__/docsMenuPlacement.spec.ts

@@ -0,0 +1,38 @@
+import { readFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+import { describe, expect, it } from "vitest";
+
+function source(relative: string): string {
+  return readFileSync(fileURLToPath(new URL(relative, import.meta.url)), "utf8");
+}
+
+/**
+ * Slices the body of one sidebar menu builder out of SidebarTreeRuntimeHost.vue.
+ * Matching the builder rather than a formatted line keeps this guard indifferent
+ * to how oxfmt lays the menu pushes out.
+ */
+function sidebarMenuBuilder(name: string): string {
+  const text = source("../../sidebar/SidebarTreeRuntimeHost.vue");
+  const start = text.indexOf(`function ${name}(`);
+  expect(start, `${name} not found`).toBeGreaterThan(-1);
+  const next = text.indexOf("\nfunction ", start + 1);
+  return text.slice(start, next === -1 ? undefined : next);
+}
+
+describe("documentation menu placement", () => {
+  it("registers the entry on database and schema nodes", () => {
+    // The docs viewer documents a database or a schema, so it belongs on the
+    // tree nodes that name one. buildDatabaseSidebarMenu serves both types.
+    expect(sidebarMenuBuilder("buildDatabaseSidebarMenu")).toContain("docs.title");
+  });
+
+  it("keeps the entry off the sidebar's per-object menu", () => {
+    expect(sidebarMenuBuilder("buildObjectSidebarMenu")).not.toContain("docs.title");
+  });
+
+  it("keeps the entry off the object browser's menus", () => {
+    // openDocs never read the row's table: a table-level entry advertised a
+    // scope the viewer cannot render.
+    expect(source("../ObjectBrowser.vue")).not.toContain("docs.title");
+  });
+});