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encrypt read ~/.ssh and the tmp directory, and decrypt read <vault>/keys, with no existsSync between them. main.ts created vaultRoot and tmpDir but never keysDir, so decrypt on a fresh vault threw ENOENT instead of printing the "no encrypted keys" message it already had — the message was unreachable until something else created the directory. Both functions now fall through to their warning. main.ts creates all three directories, 0700: the vault holds the age identity and tmp holds plaintext private keys. age spawns go through runTool, which separates "not installed" (ENOENT, whose message is `spawn age ENOENT`) from "age refused" (whose reason is on stderr and nowhere in the thrown message). Tested against real processes, not a mocked execa — the shape of the failure is the point. list.ts kept statSync rather than switching to withFileTypes as planned: withFileTypes reports a symlinked key directory as a link and would have silently dropped it. `throwIfNoEntry: false` fixes the dangling-symlink throw and keeps following the good ones. Both cases now have a test. Also deletes the three debug logs (encrypt.ts printed both key arrays, decrypt.ts printed every candidate path from inside a filter). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>