Release v1.8.9

What's Changed

• feat(wework)：打包ios app by @Micro66 in #1358
• feat(sandbox): archive workspace before cleanup by @FicoHu in #1366
• fix(executor): 允许 ClaudeCode 对话任务加载默认知识库 by @sunnights in #1367
• refactor(tasks): consolidate runtime recovery state machine by @qdaxb in #1365
• [codex] fix startup internal service token bootstrap by @qdaxb in #1371
• refactor(frontend): unify runtime instability probe by @qdaxb in #1372
• Wegent/refactor task subtask store boundary by @feifei325 in #1370
• fix(user): handle null quick access preferences by @feifei325 in #1373
• [codex] Support Wework image attachments in Codex by @icycrystal4 in #1374

Full Changelog: v1.8.8...v1.8.9