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-rw-r--r--packages/kernel/src/contracts/runtime.ts11
-rw-r--r--packages/kernel/src/contracts/tool.ts12
2 files changed, 23 insertions, 0 deletions
diff --git a/packages/kernel/src/contracts/runtime.ts b/packages/kernel/src/contracts/runtime.ts
index 02fc446..03e62c2 100644
--- a/packages/kernel/src/contracts/runtime.ts
+++ b/packages/kernel/src/contracts/runtime.ts
@@ -85,6 +85,17 @@ export interface RunTurnInput {
readonly cwd?: string;
/**
+ * The computer to execute this turn's tools on (SSH support). Omitted/undefined
+ * = LOCAL (today's behavior). When set, it is an SSH config alias; the kernel
+ * does NOT interpret it โ€” it forwards the value verbatim to each
+ * `ToolExecuteContext.computerId`, exactly like `cwd`. It never enters the
+ * model prompt, so it does not affect prompt caching. Tools resolve their
+ * execution backend (local vs. remote) from this; see
+ * `notes/ssh-support-plan.md`.
+ */
+ readonly computerId?: string;
+
+ /**
* Optional logger for structured span instrumentation. The runtime opens
* turn/step/tool-call spans using this logger. If omitted, no spans are
* emitted (backward-compatible with callers that don't yet pass a logger).
diff --git a/packages/kernel/src/contracts/tool.ts b/packages/kernel/src/contracts/tool.ts
index d5a835c..589fbd0 100644
--- a/packages/kernel/src/contracts/tool.ts
+++ b/packages/kernel/src/contracts/tool.ts
@@ -78,6 +78,18 @@ export interface ToolExecuteContext {
* a tool has no conversation scope (e.g. a global tool).
*/
readonly conversationId?: string;
+
+ /**
+ * The computer this tool-call executes on (SSH support). When
+ * omitted/undefined, execution is LOCAL (today's behavior โ€” the tool uses
+ * the local node fs/child_process). When set, it is an SSH config alias
+ * (see `notes/ssh-support-plan.md` ยง3); a tool resolves a remote
+ * `ExecBackend` for it via its injected resolver. The kernel never
+ * interprets it โ€” it forwards the value verbatim from
+ * `RunTurnInput.computerId`, exactly like `cwd`. It never enters the model
+ * prompt, so it does not affect prompt caching.
+ */
+ readonly computerId?: string;
}
/**