Apply the selected project license and align public metadata

[eimexdev]

Part of OpenBeat v0.1.0 public launch map.

Question

What concrete repository changes apply the license selected by Choose the project license for the public launch and make every public license claim accurate?

Completion signal

• The canonical license file is present.
• GitHub detects the selected license.
• Package metadata and public documentation use consistent license language.
• Any provenance or third-party notice dependencies are linked rather than silently assumed.