Add missing chain field patching to Windows installer

Fix node crash: add missing chain/private_key_path to config, revert data dir change

Fix missing chain and private_key_path in official config

Fix test run: suppress stderr noise, fix env var assignment to fnn

Fix chain spec error: use dedicated data subdirectory for fnn

Fix silent prompts and hanging risks in installer

Pin ckb-cli to v1.9.0 — v2.0.0 breaks account export

Fix fnn download URL for Linux installer

v1.5.0: Light mode fix, balance tracking, cross-platform improvements

v1.4.3: Fix payment poller, improve fee UX, one-click update

v1.4.0: Server-side JSON store, invoice render fix

v1.3.0: Dashboard auto-update, invoice fix, graph discovery hint

Add pre-uninstall safety checklist to README

Dashboard v1.2.0: wallet transfers, graph actions, credits, design polish

Dashboard v1.1.0: monitor, onboarding, history, responsive, theme