* fix(javascript): read spawn env as Node reads it
Node's normalizeSpawnArguments starts with `const env = options.env ||
{ ...process.env }`, so a falsy env is replaced by a copy of the parent
environment. A child started with env: null, undefined, 0, "" or false
therefore inherits everything, exactly as if no env were passed.
REA tested the key's presence alone, so every one of those reported
environment_supplied: true and the graph emitted a resolved supplies-env
relation. The presence test also missed the opposite direction: an env
supplied through an inline object spread reported false although Node uses
it.
Read the declared value the way stdioMode already reads stdio: an explicit
property whose statically known value is falsy does not supply an
environment, and an inline spread that carries env does.
Verified on Node v24.22.1 with a child that prints a parent marker variable:
no options, env: null, undefined, void 0, 0, "" and false all print the
marker, while env: {} prints nothing and env: { A: "1" } prints only that.
* fix(javascript): read falsy numeric literals as Node does
greptile flagged that environmentSupplied still reported a supplied environment for
`env: -0` and `env: 0n`: staticJavaScriptTruthiness recognized neither form, so it
returned undefined and `!== false` turned that into true. Node's
normalizeSpawnArguments uses `options.env || { ...process.env }`, so both inherit.
Extend the shared truthiness reader to cover a BigInt literal and a negated numeric
literal, and add regression cases for `-0`, `0n` and `0.0`.
The reader is shared with the route scan and the state tracker; both treat
`undefined` as "unknown", so a more precise `false` only strengthens them.
* fix(javascript): report fork's silent stdio as piped
Node's child_process.fork pipes stdin, stdout and stderr when options.silent is truthy and options.stdio is neither a string nor an array, and inherits them otherwise. REA never read silent, so fork("worker.js", { silent: true }) was reported with stdio_mode default (inherited). The unset-stdio case of fork now reads silent: truthy gives pipe, falsy or missing gives default, and an unresolved value gives dynamic.
* fix(javascript): apply fork's silent rule to other known stdio values
吴佳浩Alben