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a7bfade7eb
Rename the six model-facing tools pty_* -> terminal_* and align every description, guidance section, ACP card title, and rendered result to terminal terminology. Package and service internals keep their technical PTY names (PtyService, "unknown PTY session", node-pty). Harden the local backend teardown: - a failed close is retryable: drop the memoized rejection so a later terminal_close re-runs against the live process table - service disposal clears the backend, reservation, and owner-cleanup registries even when a close fails - stop readiness polling before teardown so an in-flight send settles as session_exit instead of a mis-inferred wait reason - bound the sanitizer's pending buffer against unterminated escape runs Update the tool catalog, package READMEs, the bilingual Agent Note, and the acp/headless pty-tools snapshots to match.
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pty/ — persistent PTY capability family
PTY stands for Pseudo-Terminal（伪终端）. This capability provides persistent, owner-scoped terminal sessions for workflows that require state across tool calls or interactive stdin. PTY complements the one-shot bash and filesystem tools; it does not replace their stronger per-operation contracts.
| Package | Role | ctx key |
|---|---|---|
pty (@deepseek-ai/dsh-pty) |
Backend registry, branded ids, exact-Agent ownership, session operations, and awaited cleanup | ctx.pty |
pty-local (@deepseek-ai/dsh-pty-local) |
Local node-pty backend, readiness detection, bounded terminal state, sandboxing, and process-session supervision |
registers on ctx.pty |
tool-pty (@deepseek-ai/dsh-tool-pty) |
Six model-facing tools and generic task integration for background sends | registers on ctx.tools |
The design and deferred boundaries live in the persistent PTY Agent Note.