- io/attendance: CSV-over-public-URL client + Fake for adult/junior tabs - io/drive: Drive v3 modifiedTime client + Fake - io/sheets: Sheets v4 client (GetValues/AppendValues/BatchUpdateValues/ WriteHeader/SortByDateColumn) + Fake with call-capture - io/cache: Drive-modifiedTime-gated FileCache; two TTL knobs; atomic writes; generic Get[T]; Python-compatible JSON format; Flush() - io/fio: Client interface backed by Fio REST API (apiClient) and HTML scraper (transparentClient); Fake; testdata fixtures - membership/sources: NewSources wires attendance CSV + Sheets + cache into LoadAdults/LoadJuniors/LoadTransactions/LoadExceptions; Czech month parsing + merged-month maps - banksync: SyncToSheets (SHA-256 dedup, optional sort) and InferPayments ([?] review prefix, dry-run) — tested with fakes - cmd/fuj: sync and infer subcommands wired; fees and reconcile use real NewSources; go.mod gains google.golang.org/api + x/net - gofumpt extra-rules applied across all packages; lint clean Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Stand up the Go project alongside the Python backend so both run independently during migration. `make web-go` builds and serves on :8080; `make web-py` (alias: `make web`) keeps the Python side on :5001. - go/: new module `fuj-management/go` (Go 1.26) - cmd/fuj: stdlib-flag dispatcher; `server` + `version` work, fees/reconcile/sync/infer stubbed for M2/M4 - internal/config: env loader mirroring scripts/config.py - internal/logging: slog setup, level taken from config - internal/web: net/http ServeMux + request-timer middleware - build/Dockerfile: golang:1.26 → alpine:3 multi-stage image - .golangci.yml: govet, staticcheck, errcheck, gofumpt, unused - Makefile: web→web-py alias; go-build/go-test/go-run/go-lint/web-go - CI: parallel build-go job in .gitea/workflows/build.yaml (<tag>-go image) - docs/plans/: M1 kickoff plan + progress tracker (M1 complete) - .claude/settings.json: gofumpt + golangci-lint permissions Gate: make go-build ✓ make go-lint ✓ make go-test ✓ curl :8080 ✓ Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>