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fix(build): stage platform-specific PTY artifacts

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Tianyi Cui
2026-07-29 22:44:19 +08:00
parent 7fdde06cf9
commit c0bd88430a
14 changed files with 141 additions and 105 deletions
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.agents/notes/implemented/feature/2026-07-29-persistent-bash-str-replace-editor.md
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@@ -16,7 +16,7 @@ Some deployments need a one-call Bash schema whose shell state survives across m
`dsh-system-prompt` accepts `includeHarnessIdentity: false`, while `dsh-agent-spine-demo` forwards that setting and accepts `toolBash: false`. A deployment can therefore own an exact persona and replace the spine's native Bash without duplicate prompt or tool registrations. Existing defaults remain unchanged.
Both plugins are included in the Python runtime closure. The persistent Bash closure also includes the PTY service/local backend and the sandbox services required by that backend. Because `node-pty` executes a native `spawn-helper`, each packaged runtime executable ships with an architecture-matched `-spawn-helper` sibling. A pinned `node-pty` patch resolves that sibling only when present, preserving upstream lookup in ordinary Node runs. The explicit `DSH_NODE_PTY_SPAWN_HELPER` override remains for a current external consumer that supplies a non-sibling helper. The executable and runtime-wheel builders inspect ELF or thin Mach-O headers and fail before publication when the helper is absent, mismatched, or not executable.
Both plugins are included in the Python runtime closure. The persistent Bash closure also includes the PTY service/local backend and the sandbox services required by that backend. Because `node-pty` executes a native `spawn-helper` on macOS, each packaged macOS runtime executable ships with an architecture-matched `-spawn-helper` sibling; Linux uses `forkpty` directly. A pinned `node-pty` patch resolves the sibling only when present, preserving upstream lookup in ordinary Node runs. The explicit `DSH_NODE_PTY_SPAWN_HELPER` override remains for a current external consumer that supplies a non-sibling helper. The macOS executable and runtime-wheel builders inspect the thin Mach-O header and fail before publication when the helper is absent, mismatched, or not executable.
## Alternatives considered
@@ -30,4 +30,4 @@ Both plugins are included in the Python runtime closure. The persistent Bash clo
## Consequences
Profiles can reproduce an external agent by configuring persona and descriptions while the underlying packages remain general. Persistent Bash requires an owning Agent and real PTY backend. Shell exit, timeout, or cancellation loses state. The editor delegates security and mutation policy to the mounted filesystem stack. Runtime-wheel consumers still need no Node installation, but the wheel now contains a main executable plus its private native helper rather than one physical file.
Profiles can reproduce an external agent by configuring persona and descriptions while the underlying packages remain general. Persistent Bash requires an owning Agent and real PTY backend. Shell exit, timeout, or cancellation loses state. The editor delegates security and mutation policy to the mounted filesystem stack. Runtime-wheel consumers still need no Node installation; Linux wheels contain one executable, while macOS wheels also contain its private native helper.