• chore(server): upgrade go 1.24 => 1.26
• chore(ci): bump github actions
• chore(server): update go deps
• chore(server): migrate fiber v2 => v3
• chore(docs): add .env.example
• chore(ui): update node 22.15 => 24.14, update deps
• feat(tooling): delegate stack running to goreman, better alternative to subshell/stream-aggregation workaround
• chore(ui): refactor components to composition api