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feat(execution): propagate trigger context from CLI, HTTP, and MCP hosts #6

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feat(execution): propagate trigger context from CLI, HTTP, and MCP hosts #6

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1 change: 1 addition & 0 deletions apps/cli/src/main.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -394,6 +394,7 @@ const executeCode = (input: {
payload: {
code: input.code,
},
headers: { "x-executor-trigger": "cli" },
});

if (response.status === "paused") {
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11 changes: 11 additions & 0 deletions packages/core/api/src/executions/api.ts
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Expand Up @@ -11,6 +11,16 @@ const ExecuteRequest = Schema.Struct({
code: Schema.String,
});

/**
* Optional header naming the surface that triggered this execution —
* `"cli"`, `"http"`, `"mcp"`, etc. Persisted on the execution row so
* the runs UI can facet by trigger kind. Defaults to `"http"` when
* absent.
*/
const ExecuteHeaders = Schema.Struct({
"x-executor-trigger": Schema.optional(Schema.String),
});

const CompletedResult = Schema.Struct({
status: Schema.Literal("completed"),
text: Schema.String,
Expand Down Expand Up @@ -55,6 +65,7 @@ export class ExecutionsApi extends HttpApiGroup.make("executions")
.add(
HttpApiEndpoint.post("execute")`/executions`
.setPayload(ExecuteRequest)
.setHeaders(ExecuteHeaders)
.addSuccess(ExecuteResponse),
)
.add(
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9 changes: 7 additions & 2 deletions packages/core/api/src/handlers/executions.ts
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Expand Up @@ -8,10 +8,15 @@ import { capture, captureEngineError } from "@executor/api";

export const ExecutionsHandlers = HttpApiBuilder.group(ExecutorApi, "executions", (handlers) =>
handlers
.handle("execute", ({ payload }) =>
.handle("execute", ({ payload, headers }) =>
capture(Effect.gen(function* () {
const engine = yield* ExecutionEngineService;
const outcome = yield* captureEngineError(engine.executeWithPause(payload.code));
const triggerKind = headers["x-executor-trigger"] ?? "http";
const outcome = yield* captureEngineError(
engine.executeWithPause(payload.code, {
trigger: { kind: triggerKind },
}),
);

if (outcome.status === "completed") {
const formatted = formatExecuteResult(outcome.result);
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5 changes: 4 additions & 1 deletion packages/hosts/mcp/src/server.ts
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Expand Up @@ -297,10 +297,13 @@ export const createExecutorMcpServer = <E extends Cause.YieldableError>(
if (supportsManagedElicitation(server)) {
const result = yield* engine.execute(code, {
onElicitation: makeMcpElicitationHandler(server, debugLog),
trigger: { kind: "mcp" },
});
return toMcpResult(formatExecuteResult(result));
}
const outcome = yield* engine.executeWithPause(code);
const outcome = yield* engine.executeWithPause(code, {
trigger: { kind: "mcp" },
});
debugLog("execute.paused_flow_result", {
status: outcome.status,
executionId: outcome.status === "paused" ? outcome.execution.id : undefined,
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