chore(main): release 1.6.0

[github-actions]

🤖 I have created a release beep boop

1.6.0 (2026-07-30)

Features

• add altertable duckdb command (#27) (e114b11)
• add doctor command for CLI diagnostics (#79) (57b1440)
• add schema command (#21) (f713a80)
• add first-class profile workflows and OAuth login profiles (#23) (3ce655f)
• add one-shot shell completion installer (#9) (3984fe8)
• allow to attach all available catalogs (#44) (d3b42c2)
• auto-provision ephemeral lakehouse credentials after login (#22) (d9d815f)
• avoid --statement flag for query (#26) (23c5dc8)
• cli: add origin-aware CLI update command (#18) (5077028)
• cli: redesign help across command tree (#53) (e35c2fe)
• cli: simplify the command API surface area (#75) (f3a1d4d)
• cli: support lakehouse upsert endpoint (#5) (d6ec3b8)
• docs: generate versioned CLI reference contract (#90) (15bc1f4)
• implement login command (#20) (1300577)
• improve human and agent experience (#8) (135414f)
• query: implement a few missing and useless options + fix query show (#89) (137ef20)
• refine shell completion UX (#33) (bd2c605)
• release: centralize and harden artifact publishing (#55) (8db771a)
• replace configure by profile --configure (#28) (fcf05b5)
• update: simplify update command behavior and API (#64) (310acdf)

Bug Fixes

• api: normalize api args to ensure the HTTP verb is optional (#11) (78b32df)
• api: prevent wide API tables from soft-wrapping (#13) (56fbeb6)
• ci: enable shell completion verification (#77) (db7c52f)
• ci: verify executable step path (#1) (4044001)
• clarify duckdb command requirements and isolate env/profile config (#84) (b5f6208)
• cli: ignore unrelated Altertable environment variables (#67) (8fe9041)
• cli: remove active context from usage output (#32) (9d2a4ad)
• compute_size: avoid parsing the compute size and trust the API to do it (#92) (e9130c5)
• forbid profile commands when config is env set (#48) (63a5fc4)
• harden profile reuse and uniformize profile display and reuse (#45) (23ca8f1)
• harden transport, JSON fidelity, and profile recovery (#80) (facdf90)
• keep COMMANDS.md version in sync with release-please (#87) (cbb8d65)
• lakehouse: allow append task without append row flags (#19) (6ded957)
• main concurrent merge issue (#37) (335252c)
• release: checkout merge commit for draft release verification (#58) (988c95d)
• release: narrow release workflow to published tags (#40) (f224328)
• release: run recovery with current publication code (#63) (eab2c4a)
• subsequent login mixing current profile (#46) (992aaee)
• sync --version output and wire release-please marker (#50) (a3e86e8)
• tighten body validation and stream timeout handling (#16) (4c4ce08)
• updater: make CLI updates resilient and actionable (#52) (5d0c0af)
• validate lakehouse upload files before streaming the payload (#15) (0e49b6e)

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