feat(REL-12779): Add a command to sign up that directs the user to the sign up page

[LindseyB]

Requirements

• I have added test coverage for new or changed functionality
• I have followed the repository's pull request submission guidelines
• I have validated my changes against all supported platform versions

Related issues

https://launchdarkly.atlassian.net/browse/REL-12779

Describe the solution you've provided

This pull request adds a new signup command to the CLI, allowing users to easily open a browser and create a new LaunchDarkly account. The implementation includes the command itself, integration into the CLI, updates to help text, and a basic test for the new command.

New Signup Command Integration

• Added a new signup command in cmd/signup/signup.go, which opens the user's browser to the LaunchDarkly signup page and tracks analytics for the command run.
• Integrated the new signup command into the CLI by importing it, registering it in the root command, and including it in the list of commands that disable flag parsing when used as a parent. (cmd/root.go) [1] [2] [3]

User Experience Improvements

• Updated the CLI help templates to include the new signup command in the list of available commands. (cmd/templates.go)

Testing

• Added a unit test for the signup command to verify its attributes and ensure it is created correctly. (cmd/signup/signup_test.go)

Describe alternatives you've considered

Not adding this at all? But fundamentally we need to get the data.

Additional context

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Note

Low Risk
Low risk: adds a small, isolated CLI command and help text with minimal interaction with existing logic. Main risk is minor UX/platform behavior differences when auto-opening a browser or constructing the signup URL from base-uri.

Overview
Adds a new top-level ldcli signup command that opens the user’s browser to the /signup page (based on the configured base-uri) and emits the standard command-run analytics event.

Wires signup into the root command (including disabling required flag parsing for it as a parent) and updates the usage template to list it; includes a basic unit test asserting the command metadata and handlers are set.

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Related Jira issue: REL-12779: Add signup command to CLI to determine usage and to point folks to signup

[Copilot]

Pull request overview

Adds a new top-level signup command to the LaunchDarkly CLI to open the user’s browser to a signup page, while integrating the command into the root command registration and CLI help output.

Changes:

• Introduced cmd/signup package with signup Cobra command and analytics tracking hook.
• Registered signup in the root command and in the “disable flag parsing” list.
• Updated the CLI usage template to list signup, and added a basic unit test for command construction.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
cmd/signup/signup.go	New signup command implementation (browser open + analytics event).
cmd/signup/signup_test.go	Unit test asserting command attributes are set as expected.
cmd/root.go	Wires the new command into the CLI and adjusts flag parsing behavior list.
cmd/templates.go	Adds signup to the rendered help/usage command list.

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[ldhenry]

Thanks for taking the initiative here, @LindseyB 🥇

[ari-launchdarkly]

LGTM. I wonder if we'll be able to simplify our sign-up process so that users could theoretically just set the required data in the CLI rather than being sent to the signup URL