Detailed plan for Security + Testing phase (2 weeks): - Task 1.1-1.2: Test framework setup (Vitest) - Task 2.1-2.2: Crypto utilities module - Task 3.1: Secure storage encryption enhancement - Task 4.1: WSS enforcement - Task 5.1: ChatStore unit tests - Task 6.1-6.4: Integration and verification Each task has bite-sized steps with exact commands and expected output. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>