feat(video): add configurable VIDEO_JOB_TIMEOUT_MS

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/config.js

@@ -22,6 +22,7 @@ export function loadConfig() {
     workerPollIntervalMs: Number(process.env.WORKER_POLL_INTERVAL_MS ?? 1500),
     workerConcurrency: Number(process.env.WORKER_CONCURRENCY ?? 3),
     ebookJobTimeoutMs: Number(process.env.EBOOK_JOB_TIMEOUT_MS ?? 180000),
+    videoJobTimeoutMs: Number(process.env.VIDEO_JOB_TIMEOUT_MS ?? 300000),
     rateLimitMaxJobs: Number(process.env.RATE_LIMIT_MAX_JOBS ?? 20),
     rateLimitWindowMinutes: Number(process.env.RATE_LIMIT_WINDOW_MINUTES ?? 10),
   };

test/config.test.js

@@ -63,6 +63,20 @@ describe('loadConfig', () => {
     expect(loadConfig().ebookJobTimeoutMs).toBe(240000);
   });
 
+  it('defaults videoJobTimeoutMs to 300000ms and reads VIDEO_JOB_TIMEOUT_MS when set', () => {
+    process.env.STORAGE_DIR = './storage';
+    process.env.DB_HOST = 'localhost';
+    process.env.DB_USER = 'user';
+    process.env.DB_PASSWORD = 'pass';
+    process.env.DB_NAME = 'db';
+    delete process.env.VIDEO_JOB_TIMEOUT_MS;
+
+    expect(loadConfig().videoJobTimeoutMs).toBe(300000);
+
+    process.env.VIDEO_JOB_TIMEOUT_MS = '400000';
+    expect(loadConfig().videoJobTimeoutMs).toBe(400000);
+  });
+
   it('throws listing every missing required variable', () => {
     for (const key of REQUIRED_VARS) delete process.env[key];