fix(library): surface comic vine api errors + sync summary transparency

tests/fixtures/comicvine-volume.json

@@ -1,4 +1,6 @@
 {
+	"error": "OK",
+	"status_code": 1,
 	"results": {
 		"id": 195824,
 		"name": "Absolute Batman",

tests/library-comic.test.ts

@@ -329,6 +329,16 @@ describe('comicSpec.resolve', () => {
 		const result = await comicSpec.resolve(ctx, deps);
 		expect(result).toBeNull();
 	});
+
+	test('Comic Vine error envelope (invalid key) -> null, logged', async () => {
+		const deps = makeDeps({
+			http: async () => ({ error: 'Invalid API Key', status_code: 100, results: [] }),
+			getKey: () => 'bad-key',
+		});
+		const result = await comicSpec.resolve(ctxFor({ title: 'Absolute Batman' }), deps);
+		expect(result).toBeNull();
+		expect(deps.logCalls.some(m => m.includes('Invalid API Key'))).toBe(true);
+	});
 });
 
 describe('comicSpec.sync — no id / no key', () => {
@@ -385,6 +395,17 @@ describe('comicSpec.sync — comicvine enrich', () => {
 		expect(deps.notifyCalls).toEqual([]);
 	});
 
+	test('Comic Vine error envelope (invalid key) -> null, notify + log', async () => {
+		const deps = makeDeps({
+			http: async () => ({ error: 'Invalid API Key', status_code: 100, results: [] }),
+			getKey: () => 'bad-key',
+		});
+		const result = await comicSpec.sync(ctxFor({ comicvine_id: '195824' }), deps);
+		expect(result).toBeNull();
+		expect(deps.notifyCalls.some(m => m.includes('Invalid API Key'))).toBe(true);
+		expect(deps.logCalls.some(m => m.includes('Invalid API Key'))).toBe(true);
+	});
+
 	test('fetches from GET /volume/4050-{id}/ with api_key + format=json', async () => {
 		let calledUrl = '';
 		const deps = makeDeps({

tests/library-controller.test.ts

@@ -1,4 +1,5 @@
 import { describe, expect, test } from 'bun:test';
+import type { MediaTypeSpec } from 'packages/obsidian/src/library/types';
 import { bookSpec } from 'packages/obsidian/src/library/book';
 import { gameSpec } from 'packages/obsidian/src/library/game';
 import { LibraryController } from 'packages/obsidian/src/library/LibraryController';
@@ -421,3 +422,42 @@ describe('dry-run notify suppression (minor)', () => {
 		expect(logs.some(m => m.includes('«Test Manga» ch. 5 out'))).toBe(true);
 	});
 });
+
+describe('sync summary transparency', () => {
+	test('scanned + no-data counts surface in summary notice, not hidden behind a silent-looking 0/0', async () => {
+		const c = new LibraryController(fakePlugin());
+		const notices: string[] = [];
+		(c as any).notify = (msg: string) => notices.push(msg);
+		(c as any).makeDeps = () => ({
+			listNotes: async () => [{ path: 'Mangas/Test.md' }],
+			readNote: async () => 'content',
+			writeNote: async () => {},
+			sleep: async () => {},
+			log: () => {},
+			specDeps: fakeSpecDeps(),
+		});
+
+		// simulates e.g. a Comic Vine error-envelope: fetch "succeeds" (no throw) but spec.sync
+		// has no usable data -> counted as skippedNoData rather than a written/errors change
+		const noDataSpec: MediaTypeSpec = {
+			typeName: 'manga',
+			itemType: 'manga_item',
+			folderSettingKey: 'libraryMangaFolder',
+			enabledSettingKey: 'libraryMangaEnabled',
+			throttleMs: 0,
+			hasId: () => true,
+			isActive: () => true,
+			resolve: async () => null,
+			sync: async () => null,
+		};
+
+		const report = await c.syncType(noDataSpec, false);
+
+		expect(report.scanned).toBe(1);
+		expect(report.skippedNoData).toBe(1);
+		expect(notices.length).toBe(1);
+		expect(notices[0]).toContain('1 scanned');
+		expect(notices[0]).toContain('0 ok');
+		expect(notices[0]).toContain('1 no-data (see console)');
+	});
+});