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asking a model (v4.6.135)
`[ -f "/qt.txt" ] && echo exists` — the probe that closed the v4.6.132 batch — was not a shell test
at all: both commands were unregistered, so the line fell through to the AI fallback and a model was
asked whether a file exists. `_evalTest()` has implemented `-f -d -e -z -n ! = !=` for the if/while
parser since the script runner was written; only the command was missing.
* `test` and `[` registered in ShellModule. Success resolves silently; false rejects with a
`silent` error so `&&`/`||` skip it — POSIX prints nothing on exit 1.
* `[` requires the closing bracket (`[ : missing ']'`), and that message is NOT silent.
* `test` already names the on-demand regression-suite runner ("test auto" / "test list" in
help.html). A argv that does not look like a test expression (`-f`/`-d`/`-e`/`-z`/`-n`/`!`,
or `a = b` / `a != b`) is delegated to the handler registered before us, so `test auto`
still runs the suite and the two meanings cannot collide.
* terminal.dispatchCommand() now honours `err.silent` — without it a top-level `test -f /nope`
printed `Error in ShellModule.test:` (measured on v4.6.134, fixed in v4.6.135).
* help.html documents the bracket form next to the existing `test` row.
Three tags were minted minutes apart — v4.6.133 (commands), v4.6.134 (suite delegation),
v4.6.135 (silent top-level) — each a real cache-bust for a fix that superseded the previous build;
the net change is this commit.
Verification
node modules/test/test-shell-test-cmd.js -> 24/24 pass (RED against HEAD: "test command
registered" fails, "m.commands.test is not a function")
node modules/test/test-pipe-guard.js -> all seven flags true
node modules/test/test-parse-args.js -> 28/28 · daily job -> node tests 22/22 pass
newos4-maintain.py -> atlas 355 commands (was 354), modules-index 349, help 364/364
live v4.6.135, read from the terminal DOM:
[ -f /qt.txt ] && echo F135 -> F135
test -f /nope || echo M135 -> M135
[ -d /nope ] && echo BAD || echo N134-> N134 (false branch skipped, nothing printed)
test -> no output (suite not loaded; POSIX false)
test -f /nope -> no output
js "a b".length | wc -c -> 1 (v4.6.132 pipe fix still intact)
The AI fallback is no longer reachable for a bracketed file test.
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