#3360 model validate: false "Template syntax passed through" warning on vault.get with unquoted arguments

swamp model validate warns "Template syntax passed through" on ${{ vault.get(t, KEY) }} (unquoted arguments), saying the text "is not a swamp expression and is passed to the method unchanged". That isn't true: the runtime resolves it to the secret, the same as the quoted form. Bare-token arguments are supported by the runtime (see #1786), so the check is a false positive.

Seen on swamp 20261013.025835.0-sha.1b6f0c59, Ubuntu (WSL2).

Repro

mkdir vt && cd vt && swamp repo init .
swamp vault create local_encryption t
swamp vault put t KEY not-a-secret-123

Three command/shell models, identical except for env.X:

type: command/shell
typeVersion: 2026.02.09.1
id: a7b15a3c-297c-4f16-a1c9-ec1e23231250
name: unq
version: 1
tags: {}
globalArguments: {}
methods:
  execute:
    arguments:
      run: 'if [ "$X" = not-a-secret-123 ]; then echo MATCH; else echo "NOMATCH len=${#X}"; fi'
      env:
        X: ${{ vault.get(t, KEY) }}

• unq: X: ${{ vault.get(t, KEY) }}
• q: X: ${{ vault.get("t", "KEY") }}
• inl: X: "pre-${{ vault.get(t, KEY) }}"

Result

Expected

No warning for vault.get with bare-token arguments, since the runtime resolves them. The validator's expression check should accept the same argument forms as the runtime's vault.get handling.

Workaround: quote the arguments, vault.get("t", "KEY").