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

lunaria.config.ts

@@ -0,0 +1,28 @@
+import { defineConfig } from "@lunariajs/core/config";
+
+import { SOURCE_LOCALE, TARGET_LOCALES } from "./packages/admin/src/locales/locales.js";
+
+export default defineConfig({
+	repository: {
+		name: "emdash-cms/emdash",
+		branch: "main",
+	},
+	sourceLocale: {
+		label: SOURCE_LOCALE.label,
+		lang: SOURCE_LOCALE.code,
+	},
+	// Lunaria requires a non-empty tuple; TARGET_LOCALES is authored with 10+ entries.
+	/* eslint-disable typescript-eslint(no-unsafe-type-assertion) -- non-empty by construction (see packages/admin/src/locales/locales.ts) */
+	locales: TARGET_LOCALES.map((l) => ({
+		label: l.label,
+		lang: l.code,
+	})) as [{ label: string; lang: string }, ...{ label: string; lang: string }[]],
+	/* eslint-enable typescript-eslint(no-unsafe-type-assertion) */
+	files: [
+		{
+			include: ["packages/admin/src/locales/en/messages.po"],
+			pattern: "packages/admin/src/locales/@lang/messages.po",
+			type: "dictionary",
+		},
+	],
+});