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Jason
4afa68eac6
This commit introduces fail-fast error handling for config loading failures, replacing the previous silent fallback to default config which could cause data loss (e.g., all user providers disappearing). Key changes: Backend (Rust): - Replace AppState::new() with AppState::try_new() to explicitly propagate errors - Remove Default trait to prevent accidental empty state creation - Add init_status module as global error cache (OnceLock + RwLock) - Implement dual-channel error notification: 1. Event emission (low-latency, may race with frontend subscription) 2. Command-based polling (reliable, guaranteed delivery) - Remove unconditional save on startup to prevent overwriting corrupted config Frontend (TypeScript): - Add event listener for "configLoadError" (fast path) - Add bootstrap-time polling via get_init_error command (reliable path) - Display detailed error dialog with recovery instructions - Prompt user to exit for manual repair Impact: - First-time users: No change (load() returns Ok(default) when file missing) - Corrupted config: Application shows error and exits gracefully - Prevents accidental config overwrite during initialization Fixes the only critical issue identified in previous code review (silent fallback causing data loss).