v8.6.1-dev.2

• Merge pull request #1596 from kaitranntt/kai/feat/1595-bar-multi-profile-quota
• Merge pull request #1598 from kaitranntt/kai/fix/1597-codex-responses-404
• fix(bar): short-TTL parked rows + keep valid codex subs active
• fix(codex): route codex CLI to /backend-api/codex on original CLIProxy backend
• fix(bar): keep is_default on cache-fallback rows
• feat(bar): make the profile carousel mouse-navigable
• fix(bar): cache expired profiles and gate codex local fallback to the default
• chore(bar): drop low-value PR screenshot asset
• fix(bar): tighten subscription carousel spacing
• chore(bar): refresh PR screenshot with live ccs + ccsx defaults
• fix(bar): show the active default ccs login as the leading Claude account
• chore(bar): refresh PR screenshot for default-first carousel
• fix(bar): lead carousel with default account, label it as the base command
• chore(bar): add PR evidence screenshot for multi-profile carousel
• feat(bar): per-provider profile carousel with ccs/ccsx surface tags