feat(cli): add login and logout

[Kikobeats]

Summary

• Add microlink login / logout so a purchased API key can be saved locally (~/.config/microlink/config.json).
• Login opens the dashboard /connect handshake, fetches keys, and shows a TTY picker. --api-key still wins over MICROLINK_API_KEY over the file.
• 429 responses point at microlink login.

Depends on the dashboard /connect PR in microlinkhq/gateway.

Test plan

• microlink login --help / microlink logout --help
• microlink logout removes ~/.config/microlink/config.json
• With a local dashboard: MICROLINK_DASHBOARD_URL=http://localhost:3000 microlink login saves a key
• After login, a product command uses the saved key (no --api-key / env)
• --api-key and MICROLINK_API_KEY still override the file

Made with Cursor

[coderabbitai]

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⚙️ Run configuration

Configuration used: defaults

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Run ID: dcbf6126-af53-4500-8053-eb7bb6462e26

📥 Commits

Reviewing files that changed from the base of the PR and between e2a1dae and 1ae44ce.

📒 Files selected for processing (7)

• README.md
• packages/core/bin/config.js
• packages/core/bin/help.js
• packages/core/bin/index.js
• packages/core/bin/login.js
• packages/core/bin/select.js
• packages/core/test/cli.mjs

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[coveralls]

Coverage Report for CI Build 32813496452

Warning

No base build found for commit e2a1dae on master.
Coverage changes can't be calculated without a base build.
If a base build is processing, this comment will update automatically when it completes.

Coverage: 76.285%

Details

• Patch coverage: 231 uncovered changes across 4 files (199 of 430 lines covered, 46.28%).

Uncovered Changes

File	Changed	Covered	%
packages/core/bin/login.js	148	24	16.22%
packages/core/bin/select.js	98	18	18.37%
packages/core/bin/index.js	89	72	80.9%
packages/core/bin/config.js	61	51	83.61%
Total (5 files)	430	199	46.28%

Coverage Regressions

Requires a base build to compare against. How to fix this →

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Coverage Stats

Relevant Lines:	4708
Covered Lines:	3596
Line Coverage:	76.38%
Relevant Branches:	719
Covered Branches:	544
Branch Coverage:	75.66%
Branches in Coverage %:	Yes
Coverage Strength:	13.77 hits per line

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💛 - Coveralls

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