chore(scripts): expose missing workspace test and typecheck aliases at the root

[leocagli]

Closes #247

Adds the seven root aliases that were missing. Each one delegates to the workspace script with the same pnpm --filter form the rest of the manifest already uses.

What was missing

I walked every workspace manifest and compared its test / typecheck scripts against the root. An alias was added only where the workspace already defines the script and the root did not expose it:

workspace	missing alias
@sub-rosa/tlock	tlock:typecheck
@sub-rosa/keeper	keeper:typecheck
@sub-rosa/drand-tools	drand:test, drand:typecheck
@sub-rosa/receipt-cli	receipt:test, receipt:typecheck
@sub-rosa/auction-template	template:test

That matches the workspaces named in the issue. tlock:test and keeper:test already existed, which is exactly the inconsistency described: some workspaces had one half of the pair and not the other.

Naming

template: is the prefix the root already uses for auction-template (template:fixture, template:testnet, template:typecheck), so template:test follows it. drand: and receipt: are new but keep the same <short>:<script> shape as every other entry.

Each alias was run

OK    tlock:typecheck
OK    keeper:typecheck
OK    drand:test
OK    drand:typecheck
OK    receipt:test
OK    receipt:typecheck
OK    template:test

No alias resolves to a script that does not exist.

Scope

Diff is the root manifest only. No workspace package.json and no source file was touched, and no existing root command changed. New entries are appended rather than sorted in, to keep the diff readable.

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