[shaktimaan00]

Closes #7904

Change Description

Background

lakectl renders everything it prints through a small template engine: WriteTo with the red / yellow / blue / bold / table / paginate functions, plus the Table, Pagination and ColoredText types. That code lived in cmd/lakectl/cmd, so lakefs could not import it and kept its own printInfo / printNonFatalError / printMsgAndExit helpers that duplicated the same idea with direct go-pretty calls.

New Feature

No new user-facing behaviour. The renderer now lives in pkg/cmdutils/output.go, a package both binaries already use:

• pkg/cmdutils: WriteTo, Write, ColoredText/Colored, Table, Pagination, and DisableColors/Interactive for the terminal-vs-pipe rendering decision. The code is moved as-is, so lakectl output is unchanged.
• cmd/lakectl/cmd: keeps its lakectl-specific templates and Die/Warning/PrintTable helpers, with type aliases (Table, Pagination, ColoredText) and thin Write/WriteTo/DisableColors wrappers so its ~60 call sites are untouched.
• cmd/lakefs/cmd: printInfo, printNonFatalError and printMsgAndExit now render through cmdutils.WriteTo with the same templates lakectl uses, instead of hand-rolled fmt.Fprintln/text.Sprintf calls.

Messages printed by lakefs are byte-for-byte identical to before: I compared the old and new implementations for plain, multi-argument and error-valued arguments.

Testing Details

• go build ./cmd/... passes.
• go test ./pkg/cmdutils/... ./cmd/lakectl/cmd/... ./cmd/lakefs/cmd/... passes. TestColors moved with the renderer to pkg/cmdutils/output_test.go, and two tests were added for the non-interactive paths (tables rendered as tab-separated rows, pagination hint suppressed), which were previously untested.
• go vet is clean; gofmt -l is clean. go tool golangci-lint could not run locally — the pinned linter in go.mod cannot read Go 1.27 export data — so CI will be the first lint run.
• Parity check of lakefs output: old fmt.Fprintln(os.Stderr, "Error:", ...) vs the new template, and old text.FgHiBlue.Sprintf / text.FgHiRed.Sprintf vs {{.Message|blue}} / {{.Message|red}}, produced identical bytes for all printInfo / printNonFatalError / printMsgAndExit call shapes.

Breaking Change?

No. No API, CLI flag or output format changes. The only new exported surface is pkg/cmdutils, which is internal to this repository.

Additional info

The issue mentioned the basic helpers added in #7854 (cmd/lakefs/cmd/common_helpers.go); those are now the three callers of the shared renderer and no longer import go-pretty directly.