Emdash source with visual editor image upload fix

Fixes:
1. media.ts: wrap placeholder generation in try-catch
2. toolbar.ts: check r.ok, display error message in popover

packages/plugins/atproto/tests/sandbox-entry.test.ts

@@ -0,0 +1,102 @@
+import { describe, it, expect, vi } from "vitest";
+
+vi.mock("emdash", () => ({
+	definePlugin: (definition: unknown) => definition,
+}));
+
+function createCtx() {
+	return {
+		kv: {
+			get: vi.fn(async () => undefined),
+			set: vi.fn(async () => undefined),
+		},
+		storage: {
+			records: {
+				get: vi.fn(async () => null),
+				put: vi.fn(async () => undefined),
+			},
+		},
+		http: {
+			fetch: vi.fn(),
+		},
+		log: {
+			info: vi.fn(),
+			warn: vi.fn(),
+			error: vi.fn(),
+		},
+	};
+}
+
+describe("sandbox hooks", () => {
+	it("does not create syndication records from afterSave when published content has not been synced", async () => {
+		const { default: plugin } = await import("../src/sandbox-entry.js");
+		const ctx = createCtx();
+		const handler = (plugin as any).hooks["content:afterSave"].handler;
+
+		await handler(
+			{
+				collection: "posts",
+				isNew: false,
+				content: {
+					id: "post-1",
+					status: "published",
+					title: "A published edit",
+				},
+			},
+			ctx,
+		);
+
+		expect(ctx.storage.records.get).toHaveBeenCalledWith("posts:post-1");
+		expect(ctx.storage.records.put).not.toHaveBeenCalled();
+		expect(ctx.http.fetch).not.toHaveBeenCalled();
+		expect(ctx.kv.get).not.toHaveBeenCalledWith("settings:siteUrl");
+	});
+
+	it("does not syndicate pages by default", async () => {
+		const { default: plugin } = await import("../src/sandbox-entry.js");
+		const ctx = createCtx();
+		const handler = (plugin as any).hooks["content:afterPublish"].handler;
+
+		await handler(
+			{
+				collection: "pages",
+				content: {
+					id: "page-1",
+					status: "published",
+					title: "About",
+				},
+			},
+			ctx,
+		);
+
+		expect(ctx.kv.get).toHaveBeenCalledWith("settings:collections");
+		expect(ctx.storage.records.get).not.toHaveBeenCalled();
+		expect(ctx.storage.records.put).not.toHaveBeenCalled();
+		expect(ctx.http.fetch).not.toHaveBeenCalled();
+	});
+
+	it("does not expose standard.site metadata for pages by default", async () => {
+		const { default: plugin } = await import("../src/sandbox-entry.js");
+		const ctx = createCtx();
+		ctx.storage.records.get.mockResolvedValueOnce({
+			atUri: "at://did:example/site.standard.document/abc",
+			status: "synced",
+		});
+
+		const result = await (plugin as any).hooks["page:metadata"](
+			{
+				page: {
+					content: {
+						collection: "pages",
+						id: "page-1",
+					},
+				},
+			},
+			ctx,
+		);
+
+		expect(result).toBeNull();
+		expect(ctx.kv.get).toHaveBeenCalledWith("settings:collections");
+		expect(ctx.storage.records.get).not.toHaveBeenCalled();
+	});
+});