{"version":"2.1.221","anchor":"sandbox-prompt-lists-temp-directories-per-mode","canonical_anchor":"sandbox-prompt-lists-temp-directories-per-mode","heading":"Sandbox prompt lists temp directories per mode","tier":"notice","area":"Sandbox","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221\/e\/sandbox-prompt-lists-temp-directories-per-mode","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.221","markdown":"### Sandbox prompt lists temp directories per mode\n\nSandbox instructions now hide or collapse temp directory paths depending on your platform and sandbox mode.\n\n**What**\n\nThe sandbox system-prompt block substitutes `$TMPDIR` for the temp directories only on Windows or when the sandbox mode is something other than relaxed; otherwise the temp directories are filtered out of the listed write-allow paths entirely.\n\n**Details**\n\n- Gate is the platform check plus the sandbox mode check, not a config flag.\n- Relaxed mode on non-Windows: temp paths simply do not appear in the write-allow list shown to the model.\n- Windows or non-relaxed: the paths collapse into the single `$TMPDIR` placeholder.\n\n**Evidence**\n\n`$TMPDIR`\n\n- Area: Sandbox\n- Names: `$TMPDIR`\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 0\/5"}