[PUT-1478] Add KV commands to CLI

[reynaldichernando]

No description provided.

[Copilot]

Pull request overview

This PR extends the Puter CLI by adding an interactive puter kv connect <app> REPL that scopes puter.kv operations to a chosen app’s KV store, while also centralizing access to the SDK’s apps module and updating CLI metadata/docs to reflect the broader tooling scope.

Changes:

• Add puter kv connect <app> command that launches a Node REPL with awaited results and one-line error output.
• Introduce bindApp() KV wrappers to reliably inject optConfig: { appUuid } across kv method call forms.
• Extract a shared appsApi() guard and update CLI messaging/version/docs for the new KV functionality.

Reviewed changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/cli/src/lib/ui.js	Adds red() helper used for REPL error formatting.
src/cli/src/lib/kvbind.js	New helper to bind puter.kv calls to a specific app UUID across varied signatures.
src/cli/src/lib/apps.js	New shared accessor/guard for puter.apps / legacy variants.
src/cli/src/commands/kv.js	Implements the interactive KV REPL command (kv connect).
src/cli/src/commands/app.js	Reuses shared appsApi() instead of duplicating logic.
src/cli/README.md	Documents puter kv connect usage and behavior.
src/cli/package.json	Bumps version and updates description to match expanded scope.
src/cli/bin/puter.js	Registers the new kv connect command and updates CLI description.

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