Add Weixin bridge support and docs

fix: Feishu setup two-phase publish flow and upgrade guide

fix: auto-rebuild dist when upstream claude-to-im dependency changes

fix: update claude-to-im to 18c3673 (fix permission shortcut deadlock)

fix: update claude-to-im to a035613 (NFKC normalization for permission shortcuts)

feat: add listPendingPermissionLinksByChat for numeric permission shortcuts

fix: harden CLI resolution, error handling, and daemon env passthrough

fix: skip passing model to CLI unless CTI_DEFAULT_MODEL is set

debug: enable SDK debug mode to capture full CLI spawn output

debug: add query params and stderr buffer logging for exit code 1 diagnosis

fix: change default env isolation to inherit mode

fix: detect auth errors and cross-runtime stale model in CLI subprocess

improve: optimize skill description, disambiguation, and eval coverage

feat: add QQ platform support (C2C private chat)

fix: config.env load order, AUTH_TOKEN passthrough, and CLI path discovery