Stage-3: Multi-account UX #1384

Part of #1297. Depends on Stage-2 (#1386).

Commands and flags

• --profile <name|userId> on every command that hits the API. Injected by the command framework for commands that opt in, the same way enableJsonFlag injects --json. create, init and other offline commands do not get it.
• apify auth switch [name] — set the active profile. Prompts when called without an argument, errors in a non-interactive shell.
• apify auth list — all profiles with last login and storage backend, active one marked, organization profiles labeled from organizationOwnerUserId. --json form for scripts. No network calls, so it works offline and does not validate tokens.
• apify logout --profile <name> and apify logout --all. --all confirms first and takes the existing YesFlag for scripts.
• apify info gains --profile, and its existing token-source row covers the new source.

APIFY_TOKEN interaction

resolveAuth() resolves APIFY_TOKEN before the stored login (shipped in #1418). A profile selection cannot beat it, so the rule is an error rather than a silent override.

Wording follows the message login already uses: name the variable, say other commands ignore the change, say to unset it.

Other behavior

• --profile naming something that is not stored fails fast and lists the profiles that are, exit InvalidInput.
• auth switch checks the target profile still has a secret in the keyring before switching. Local read, no network.
• apify run --profile x passes that profile's token and proxy password to the Actor process.
• Auth failures name the profile. A 401 means re-authenticate that profile, not that the CLI is logged out (actors search fails with 401 when user has expired/invalid token #1051).
• Telemetry follows the active profile, so auth switch calls updateUserId(). --profile on a single command does not change it.
• A user with one profile sees no change apart from the new commands existing.

Not in this stage

No renaming profiles — names come from the token. No APIFY_PROFILE environment variable. No actor.json pin or directory overrides. mcp install keeps its own --token behavior and is not aligned with the rule above.

Verification

• --profile selects the right account for a command that hits the API, and does not appear on create or init
• --profile plus APIFY_TOKEN errors; so does auth switch with the variable set
• auth switch prompts interactively, errors when non-interactive, refuses a profile whose secret is gone
• auth list matches the file, works offline, --json is stable for scripts
• logout --profile leaves the active profile alone; logout --all clears everything and needs confirmation
• apify run --profile sends that profile's token and proxy password to the child
• docs regenerated with pnpm run update-docs

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