Merge pull request 'refactor(core): restore type-safe workflow automaton from Pulse design' (#81) from refactor/workflow-type-safety into main

This commit was merged in pull request #81.
This commit is contained in:
2026-04-24 11:02:23 +00:00
35 changed files with 677 additions and 471 deletions
+1 -3
View File
@@ -10,9 +10,7 @@
},
"main": "dist/index.js",
"types": "dist/index.d.ts",
"files": [
"dist"
],
"files": ["dist"],
"publishConfig": {
"access": "public"
},
+10 -2
View File
@@ -234,7 +234,11 @@ describe("logsCommand negative offset", () => {
it("exits with code 1 and writes to stderr when offset is negative", async () => {
await expect(
logsCommand.run!({ args: { n: "50", offset: "-5", follow: false }, rawArgs: [], cmd: logsCommand as never }),
logsCommand.run!({
args: { n: "50", offset: "-5", follow: false },
rawArgs: [],
cmd: logsCommand as never,
}),
).rejects.toThrow("process.exit(1)");
expect(exitCode).toBe(1);
expect(stderrOutput).toContain("--offset must be a non-negative integer");
@@ -243,7 +247,11 @@ describe("logsCommand negative offset", () => {
it("exits with code 1 for offset=-1", async () => {
await expect(
logsCommand.run!({ args: { n: "10", offset: "-1", follow: false }, rawArgs: [], cmd: logsCommand as never }),
logsCommand.run!({
args: { n: "10", offset: "-1", follow: false },
rawArgs: [],
cmd: logsCommand as never,
}),
).rejects.toThrow("process.exit(1)");
expect(exitCode).toBe(1);
});
+11 -15
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@@ -16,15 +16,15 @@ import { createLogStore } from "@uncaged/nerve-daemon";
import { afterEach, beforeEach, describe, expect, it } from "vitest";
import {
DEFAULT_THREAD_BUDGET_CHARS,
buildInspectOutput,
buildListOutput,
buildThreadCommandOutput,
DEFAULT_THREAD_BUDGET_CHARS,
formatThreadRoundBlock,
formatTs,
getAllWorkflowRuns,
partitionCommandEvent,
parseIntArg,
partitionWorkflowMessage,
statusIcon,
} from "../commands/workflow.js";
import { triggerWorkflowViaDaemon } from "../daemon-client.js";
@@ -330,22 +330,20 @@ describe("workflow list — integration with real store", () => {
// nerve workflow thread — formatting helpers
// ---------------------------------------------------------------------------
describe("partitionCommandEvent", () => {
it("splits reserved type, role, content from rest", () => {
const p = partitionCommandEvent({
type: "scan_done",
describe("partitionWorkflowMessage", () => {
it("extracts role, content, and meta", () => {
const p = partitionWorkflowMessage({
role: "scanner",
content: "ok",
items: [1, 2],
meta: { items: [1, 2] },
});
expect(p.typeStr).toBe("scan_done");
expect(p.roleStr).toBe("scanner");
expect(p.contentBody).toBe("ok");
expect(p.rest).toEqual({ items: [1, 2] });
expect(p.meta).toEqual({ items: [1, 2] });
});
it("uses fallback role and stringifies non-string content", () => {
const p = partitionCommandEvent({ type: "x", content: { n: 1 } });
const p = partitionWorkflowMessage({ content: { n: 1 } });
expect(p.roleStr).toBe("?");
expect(p.contentBody).toBe('{"n":1}');
});
@@ -356,17 +354,15 @@ describe("formatThreadRoundBlock", () => {
round: 2,
logId: 99,
ts: new Date("2026-01-02T03:04:05.006Z").getTime(),
event: { type: "reply", role: "bot", content: "hi", score: 0.5 },
message: { role: "bot", content: "hi", meta: { score: 0.5 }, timestamp: 1735783445006 },
};
it("includes header, YAML frontmatter for rest, and body", () => {
it("includes header, YAML frontmatter for meta, and body", () => {
const text = formatThreadRoundBlock(row);
expect(text).toContain("[#2 bot]");
expect(text).toContain("type=reply");
expect(text).toContain("---\n");
expect(text).toContain("score: 0.5");
expect(text).toContain("hi");
expect(text).not.toContain("role:");
});
});
@@ -376,7 +372,7 @@ describe("buildThreadCommandOutput", () => {
round: n,
logId: 10 + n,
ts: 1000 + n,
event: { type: "ev", role: "r", content, extra: n },
message: { role: "r", content, meta: { extra: n }, timestamp: 1000 + n },
};
}
+23 -25
View File
@@ -183,45 +183,43 @@ export function buildInspectOutput(
// nerve workflow thread <runId> — agent-oriented role rounds
// ---------------------------------------------------------------------------
export type PartitionedEvent = {
typeStr: string;
export type PartitionedMessage = {
roleStr: string;
contentBody: string;
rest: Record<string, unknown>;
meta: Record<string, unknown>;
};
/**
* Split a CommandEvent: `type`, `role`, and `content` are reserved for the
* header / body; all other fields are serialized as YAML frontmatter.
* Extract display fields from a WorkflowMessage-shaped object.
* `role` and `content` are used for header/body; `meta` is serialized as YAML frontmatter.
*/
export function partitionCommandEvent(event: Record<string, unknown>): PartitionedEvent {
const typeStr =
typeof event.type === "string" ? event.type : String(event.type === undefined ? "?" : event.type);
const roleStr = typeof event.role === "string" ? event.role : "?";
const contentRaw = event.content;
export function partitionWorkflowMessage(msg: Record<string, unknown>): PartitionedMessage {
const roleStr = typeof msg.role === "string" ? msg.role : "?";
const contentRaw = msg.content;
const contentBody =
contentRaw === undefined || contentRaw === null
? ""
: typeof contentRaw === "string"
? contentRaw
: JSON.stringify(contentRaw);
const rest: Record<string, unknown> = {};
for (const key of Object.keys(event)) {
if (key === "type" || key === "role" || key === "content") continue;
rest[key] = event[key];
}
return { typeStr, roleStr, contentBody, rest };
const meta: Record<string, unknown> =
msg.meta !== null && msg.meta !== undefined && typeof msg.meta === "object"
? (msg.meta as Record<string, unknown>)
: {};
return { roleStr, contentBody, meta };
}
/**
* One role round as plain text: header line, YAML frontmatter (`rest` only), body (`content`).
* One role round as plain text: header line, YAML frontmatter (meta only), body (content).
*/
export function formatThreadRoundBlock(row: ThreadRoundRow): string {
const { typeStr, roleStr, contentBody, rest } = partitionCommandEvent(row.event);
const { roleStr, contentBody, meta } = partitionWorkflowMessage(
row.message as unknown as Record<string, unknown>,
);
const yamlBlock =
Object.keys(rest).length === 0 ? "{}\n" : `${stringify(rest, { lineWidth: 100 })}\n`;
Object.keys(meta).length === 0 ? "{}\n" : `${stringify(meta, { lineWidth: 100 })}\n`;
return (
`[#${row.round} ${roleStr}] ${formatTs(row.ts)} type=${typeStr}\n` +
`[#${row.round} ${roleStr}] ${formatTs(row.ts)}\n` +
`---\n` +
yamlBlock +
`---\n` +
@@ -259,13 +257,13 @@ export function buildThreadCommandOutput(
continue;
}
if (picked.length === 0) {
const { typeStr, roleStr, contentBody, rest } = partitionCommandEvent(row.event);
const { roleStr, contentBody, meta } = partitionWorkflowMessage(
row.message as unknown as Record<string, unknown>,
);
const yamlBlock =
Object.keys(rest).length === 0
? "{}\n"
: `${stringify(rest, { lineWidth: 100 })}\n`;
Object.keys(meta).length === 0 ? "{}\n" : `${stringify(meta, { lineWidth: 100 })}\n`;
const header =
`[#${row.round} ${roleStr}] ${formatTs(row.ts)} type=${typeStr}\n` + `---\n` + yamlBlock + `---\n`;
`[#${row.round} ${roleStr}] ${formatTs(row.ts)}\n` + `---\n` + yamlBlock + `---\n`;
const maxBody = Math.max(0, remaining - header.length - `[truncated]\n`.length);
const truncated =
maxBody > 0 && contentBody.length > maxBody
+1 -1
View File
@@ -63,7 +63,7 @@ export type ThreadRoundRow = {
round: number;
logId: number;
ts: number;
event: { type: string; [key: string]: unknown };
message: { role: string; content: string; meta: unknown; timestamp: number };
};
/** Keep in sync with daemon `log-store` `GetThreadRoundsParams`. */
+1 -3
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@@ -3,9 +3,7 @@
"version": "0.3.0",
"type": "module",
"main": "dist/index.js",
"files": [
"dist"
],
"files": ["dist"],
"publishConfig": {
"access": "public"
},
+1 -9
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@@ -18,9 +18,6 @@ reflexes:
- sense: memory
on:
- high_usage
- workflow: alert
on:
- cpu
workflows:
alert:
@@ -48,7 +45,7 @@ describe("parseNerveConfig", () => {
timeout: 10_000,
gracePeriod: 3000,
});
expect(result.value.reflexes).toHaveLength(3);
expect(result.value.reflexes).toHaveLength(2);
expect(result.value.reflexes[0]).toEqual({
kind: "sense",
sense: "cpu",
@@ -61,11 +58,6 @@ describe("parseNerveConfig", () => {
interval: null,
on: ["high_usage"],
});
expect(result.value.reflexes[2]).toEqual({
kind: "workflow",
workflow: "alert",
on: ["cpu"],
});
expect(result.value.workflows?.alert).toEqual({
concurrency: 2,
overflow: "queue",
+28 -36
View File
@@ -4,6 +4,8 @@ import type { Result } from "./result.js";
import { err, ok } from "./result.js";
import type { NerveConfig, ReflexConfig, SenseConfig, WorkflowConfig } from "./types.js";
const DEFAULT_ENGINE_MAX_ROUNDS = 100;
const DURATION_RE = /^(\d+)([smh])$/;
const DURATION_MULTIPLIERS: Record<string, number> = {
@@ -112,26 +114,6 @@ function parseSenseReflex(
});
}
function parseWorkflowReflex(
index: number,
obj: Record<string, unknown>,
on: string[] | null,
): Result<ReflexConfig> {
if (typeof obj.workflow !== "string") {
return err(new Error(`reflexes[${index}].workflow: must be a string`));
}
if (obj.interval !== undefined) {
return err(
new Error(`reflexes[${index}]: workflow reflex does not support "interval" (use "on")`),
);
}
return ok({
kind: "workflow" as const,
workflow: obj.workflow,
on,
});
}
function validateReflexConfig(
index: number,
raw: unknown,
@@ -143,22 +125,37 @@ function validateReflexConfig(
const obj = raw as Record<string, unknown>;
const hasSense = obj.sense !== undefined;
const hasWorkflow = obj.workflow !== undefined;
const hasWorkflowKey = Object.hasOwn(obj, "workflow");
if (hasSense && hasWorkflow) {
return err(new Error(`reflexes[${index}]: cannot have both "sense" and "workflow"`));
if (hasWorkflowKey) {
return err(
new Error(
`reflexes[${index}]: YAML "workflow" entries are not supported — start workflows from a Sense compute return value using a "workflow" string field (format: name|maxRounds|prompt)`,
),
);
}
if (!hasSense && !hasWorkflow) {
return err(new Error(`reflexes[${index}]: must have either "sense" or "workflow"`));
if (!hasSense) {
return err(new Error(`reflexes[${index}]: must include "sense"`));
}
const onResult = parseOnField(index, obj);
if (!onResult.ok) return onResult;
if (hasSense) {
return parseSenseReflex(index, obj, senseNames, onResult.value);
return parseSenseReflex(index, obj, senseNames, onResult.value);
}
function parseEngineMaxRounds(obj: Record<string, unknown>): Result<number> {
if (obj.max_rounds === undefined || obj.max_rounds === null) {
return ok(DEFAULT_ENGINE_MAX_ROUNDS);
}
return parseWorkflowReflex(index, obj, onResult.value);
if (
typeof obj.max_rounds !== "number" ||
!Number.isInteger(obj.max_rounds) ||
obj.max_rounds < 1
) {
return err(new Error("max_rounds: must be a positive integer"));
}
return ok(obj.max_rounds);
}
function validateWorkflowConfig(name: string, raw: unknown): Result<WorkflowConfig> {
@@ -295,16 +292,11 @@ export function parseNerveConfig(raw: string): Result<NerveConfig> {
const workflowsResult = parseWorkflows(obj);
if (!workflowsResult.ok) return workflowsResult;
// Cross-validate: workflow reflexes must reference defined workflows
const workflowNames = new Set(workflowsResult.value ? Object.keys(workflowsResult.value) : []);
for (let i = 0; i < reflexesResult.value.length; i++) {
const reflex = reflexesResult.value[i];
if (reflex.kind === "workflow" && !workflowNames.has(reflex.workflow)) {
return err(new Error(`reflexes[${i}].workflow: "${reflex.workflow}" not found in workflows`));
}
}
const maxRoundsResult = parseEngineMaxRounds(obj);
if (!maxRoundsResult.ok) return maxRoundsResult;
return ok({
maxRounds: maxRoundsResult.value,
senses,
reflexes: reflexesResult.value,
workflows: workflowsResult.value,
+18 -7
View File
@@ -3,21 +3,32 @@ export type {
SenseConfig,
SenseInfo,
SenseReflexConfig,
WorkflowReflexConfig,
ReflexConfig,
DropOverflowConfig,
QueueOverflowConfig,
WorkflowConfig,
NerveConfig,
CommandEvent,
ThreadState,
ModerateResult,
WorkflowContext,
RoleExecuteFn,
WorkflowMessage,
RoleResult,
Role,
ModerateFn,
RoleMeta,
StartSignal,
RoleSignal,
Moderator,
WorkflowDefinition,
SenseResult,
} from "./types.js";
export { START, END } from "./types.js";
export type { Result } from "./result.js";
export { ok, err } from "./result.js";
export { parseNerveConfig } from "./config.js";
export function parseWorkflowField(field: string): { name: string; maxRounds: number; prompt: string } {
const [name, rounds, ...rest] = field.split("|");
const prompt = rest.join("|");
const maxRounds = parseInt(rounds, 10);
return { name: name ?? "", maxRounds, prompt };
}
export type { ParsedSenseWorkflowDirective, SenseComputeRoute } from "./sense-workflow-directive.js";
export { parseSenseWorkflowDirective, routeSenseComputeOutput } from "./sense-workflow-directive.js";
@@ -0,0 +1,76 @@
import type { Result } from "./result.js";
import { err, ok } from "./result.js";
/** Parsed `workflow-name|maxRounds|prompt` from a Sense compute return value. */
export type ParsedSenseWorkflowDirective = {
workflowName: string;
maxRounds: number;
prompt: string;
};
/**
* Parses the pipe-separated `workflow` field from a Sense compute result.
* `prompt` may contain `|` — only the first two pipes delimit name and rounds.
*/
export function parseSenseWorkflowDirective(field: string): Result<ParsedSenseWorkflowDirective> {
const trimmed = field.trim();
if (trimmed.length === 0) {
return err(new Error("workflow directive is empty"));
}
const parts = trimmed.split("|");
if (parts.length < 3) {
return err(
new Error(
`workflow directive must be "name|maxRounds|prompt" (got ${String(parts.length)} segment(s))`,
),
);
}
const workflowName = (parts[0] ?? "").trim();
if (workflowName.length === 0) {
return err(new Error("workflow directive: empty workflow name"));
}
const roundsRaw = (parts[1] ?? "").trim();
const maxRounds = Number.parseInt(roundsRaw, 10);
if (!Number.isInteger(maxRounds) || maxRounds < 1) {
return err(new Error(`workflow directive: invalid maxRounds "${roundsRaw}"`));
}
const prompt = parts.slice(2).join("|");
return ok({ workflowName, maxRounds, prompt });
}
export type SenseComputeRoute =
| { kind: "launch"; launch: ParsedSenseWorkflowDirective }
| { kind: "signal"; payload: unknown };
function stripWorkflowKey(payload: Record<string, unknown>): Record<string, unknown> {
const { workflow: _drop, ...rest } = payload;
return rest;
}
/**
* Interprets a Sense compute non-null return value for the engine:
* - `workflow` missing → normal signal with full payload
* - `workflow: null` or `""` → normal signal; `workflow` key stripped from emitted payload
* - `workflow: "name|n|prompt"` → launch workflow; no Signal is emitted to the bus
*/
export function routeSenseComputeOutput(payload: unknown): SenseComputeRoute {
if (payload === null || typeof payload !== "object" || Array.isArray(payload)) {
return { kind: "signal", payload };
}
const obj = payload as Record<string, unknown>;
if (!Object.hasOwn(obj, "workflow")) {
return { kind: "signal", payload };
}
const w = obj.workflow;
if (w === null || w === "") {
return { kind: "signal", payload: stripWorkflowKey(obj) };
}
if (typeof w !== "string") {
return { kind: "signal", payload };
}
const parsed = parseSenseWorkflowDirective(w);
if (!parsed.ok) {
return { kind: "signal", payload: stripWorkflowKey(obj) };
}
return { kind: "launch", launch: parsed.value };
}
+51 -43
View File
@@ -28,13 +28,8 @@ export type SenseReflexConfig = {
on: string[] | null;
};
export type WorkflowReflexConfig = {
kind: "workflow";
workflow: string;
on: string[] | null;
};
export type ReflexConfig = SenseReflexConfig | WorkflowReflexConfig;
/** Reflexes only schedule Senses; workflow launches come from Sense return values. */
export type ReflexConfig = SenseReflexConfig;
export type DropOverflowConfig = {
concurrency: number;
@@ -50,62 +45,75 @@ export type QueueOverflowConfig = {
export type WorkflowConfig = DropOverflowConfig | QueueOverflowConfig;
export type NerveConfig = {
/** Engine-wide default max moderator rounds (e.g. CLI workflow trigger when omitted). */
maxRounds: number;
senses: Record<string, SenseConfig>;
reflexes: ReflexConfig[];
workflows: Record<string, WorkflowConfig> | null;
};
// ---------------------------------------------------------------------------
// Workflow Engine types (RFC-002)
// Workflow Automaton types (issue #80)
// ---------------------------------------------------------------------------
/** A single event in the command event stream that drives a workflow thread. */
export type CommandEvent = {
type: string;
[key: string]: unknown;
};
export const START = "__start__" as const;
export const END = "__end__" as const;
export type START = typeof START;
export type END = typeof END;
/** Accumulated state of a running thread — the event history for moderate(). */
export type ThreadState = {
runId: string;
/** All events so far, including the initial thread_start event. */
events: CommandEvent[];
};
/** The result of moderate() — which role to hand to next, and what prompt to pass. */
export type ModerateResult = {
/** A single message in the workflow conversation chain (runtime, type-erased). */
export type WorkflowMessage = {
role: string;
prompt: unknown;
content: string;
meta: unknown;
timestamp: number;
};
/** Context injected into every role execute() call. */
export type WorkflowContext = {
runId: string;
workflowName: string;
/** Emit a log message back to the parent process. */
log: (message: string) => void;
};
/** The typed output of a Role execution. */
export type RoleResult<Meta> = { content: string; meta: Meta };
/**
* A role's execute function. Has side effects (API calls, file I/O, etc.).
* Returns a CommandEvent that is fed back into moderate().
* A Role is a pure async function: receives the full message chain,
* returns typed content + meta. Implementation can be an agent, LLM call,
* script, HTTP request, etc.
*/
export type RoleExecuteFn = (prompt: unknown, ctx: WorkflowContext) => Promise<CommandEvent>;
export type Role<Meta> = (messages: WorkflowMessage[]) => Promise<RoleResult<Meta>>;
/** A role in a workflow — a named unit of execution with side effects. */
export type Role = {
execute: RoleExecuteFn;
/** Maps role names to their meta types — the single generic that drives all inference. */
export type RoleMeta = Record<string, Record<string, unknown>>;
/** First message in the thread chain (`messages[0]`) — passed to the moderator on start. */
export type StartSignal = {
role: START;
content: string;
meta: { maxRounds: number };
timestamp: number;
};
/** A discriminated union of signals from each role, derived from the meta map. */
export type RoleSignal<M extends RoleMeta> = {
[K in keyof M & string]: { role: K; meta: M[K] };
}[keyof M & string];
/**
* The moderator function — pure, no side effects.
* Decides which role to pass control to next.
* Returns null to signal thread completion.
* The moderator — a pure routing function. Receives the last signal,
* current round, and maxRounds. Returns the next role name or END.
*/
export type ModerateFn = (thread: ThreadState, event: CommandEvent) => ModerateResult | null;
export type Moderator<M extends RoleMeta> = (
signal: StartSignal | RoleSignal<M>,
round: number,
maxRounds: number,
) => (keyof M & string) | END;
/** The complete definition of a workflow, as authored by users. */
export type WorkflowDefinition = {
roles: Record<string, Role>;
moderate: ModerateFn;
export type WorkflowDefinition<M extends RoleMeta> = {
name: string;
roles: { [K in keyof M & string]: Role<M[K]> };
moderator: Moderator<M>;
};
/** The result of a Sense compute — payload plus optional workflow directive. */
export type SenseResult = {
payload: unknown;
workflow: string | null;
};
+1 -3
View File
@@ -4,9 +4,7 @@
"type": "module",
"main": "dist/index.js",
"types": "dist/index.d.ts",
"files": [
"dist"
],
"files": ["dist"],
"publishConfig": {
"access": "public"
},
@@ -64,6 +64,7 @@ function makeConfig(workflows: Record<string, WorkflowConfig> = {}): NerveConfig
senses: {},
reflexes: [],
workflows,
maxRounds: 10,
};
}
@@ -90,7 +91,14 @@ function makeLogStore(
return activeRuns;
}),
getTriggerPayload: vi.fn((): unknown => ({ value: 42 })),
getThreadEvents: vi.fn((): Array<{ type: string; [key: string]: unknown }> => [{ type: "thread_start", triggerPayload: {} }]),
getThreadEvents: vi.fn(
(): Array<{ type: string; [key: string]: unknown }> => [
{ type: "thread_start", triggerPayload: {} },
],
),
getThreadMessages: vi.fn(
(): Array<{ role: string; content: string; meta: unknown; timestamp: number }> => [],
),
getThreadRoundCount: vi.fn(() => 0),
getThreadRounds: vi.fn(() => []),
archiveLogs: vi.fn(() => ({ days: [], vacuumed: false })),
@@ -119,8 +127,8 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", { n: 1 });
mgr.startWorkflow("my-wf", { n: 2 });
mgr.startWorkflow("my-wf", { prompt: "test 1", maxRounds: 10 });
mgr.startWorkflow("my-wf", { prompt: "test 2", maxRounds: 10 });
expect(mgr.activeCount("my-wf")).toBe(2);
// Simulate unexpected exit (not shutdown)
@@ -146,8 +154,8 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mgr.activeCount("my-wf")).toBe(2);
const child = mockChildren[0];
@@ -171,7 +179,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
const child = mockChildren[0];
@@ -194,9 +202,8 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
{ runId: "run-started-1", workflow: "my-wf", status: "started" as const, ts: 1000 },
];
const logStore = makeLogStore(activeRuns);
logStore.getThreadEvents.mockReturnValue([
{ type: "thread_start", triggerPayload: {} },
{ type: "scan_complete", items: ["a"] },
logStore.getThreadMessages.mockReturnValue([
{ role: "scanner", content: "done", meta: { items: ["a"] }, timestamp: 1000 },
]);
logStore.getTriggerPayload.mockReturnValue({ trigger: "initial" });
@@ -205,7 +212,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const firstChild = mockChildren[0];
firstChild.exitCode = 1;
firstChild.connected = false;
@@ -230,7 +237,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
runId: "run-started-1",
triggerPayload: { trigger: "initial" },
});
expect(Array.isArray((resumeCalls[0][0] as Record<string, unknown>).events)).toBe(true);
expect(Array.isArray((resumeCalls[0][0] as Record<string, unknown>).messages)).toBe(true);
const stopPromise = mgr.stop();
await vi.runAllTimersAsync();
@@ -250,7 +257,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
const mgr = createWorkflowManager("/nerve-root", config, logStore);
// Start one thread to fill the concurrency slot (so queued run stays queued on respawn)
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const firstChild = mockChildren[0];
firstChild.exitCode = 1;
firstChild.connected = false;
@@ -267,34 +274,33 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
});
describe("command events are persisted (for crash recovery replay)", () => {
it("persists thread_command_event when worker sends thread-command-event IPC", async () => {
describe("workflow messages are persisted (for crash recovery replay)", () => {
it("persists thread_workflow_message when worker sends thread-workflow-message IPC", async () => {
const logStore = makeLogStore();
const config = makeConfig({
"my-wf": { concurrency: 1, overflow: "drop" },
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", { x: 1 });
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const child = mockChildren[0];
const startCall = (child.send as ReturnType<typeof vi.fn>).mock.calls[0];
const runId = (startCall[0] as Record<string, unknown>).runId as string;
// Simulate worker sending a command event back
child.emit("message", {
type: "thread-command-event",
type: "thread-workflow-message",
runId,
event: { type: "scan_complete", items: ["a", "b"] },
message: { role: "scanner", content: "done", meta: { items: ["a", "b"] }, timestamp: 1000 },
});
const appendCalls = logStore.append.mock.calls.filter(
(args: any[]) => (args[0] as { type: string }).type === "thread_command_event",
(args: any[]) => (args[0] as { type: string }).type === "thread_workflow_message",
);
expect(appendCalls).toHaveLength(1);
expect(appendCalls[0][0]).toMatchObject({
source: "workflow",
type: "thread_command_event",
type: "thread_workflow_message",
refId: runId,
});
@@ -312,7 +318,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
const payload = { task: "build-docker", repo: "myrepo" };
const payload = { prompt: "build-docker for myrepo", maxRounds: 10 };
mgr.startWorkflow("my-wf", payload);
const startedCall = logStore.upsertWorkflowRun.mock.calls.find(
@@ -344,7 +350,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
const mgr = createWorkflowManager("/nerve-root", config, logStore);
// Start one thread to fill the concurrency slot
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const firstChild = mockChildren[0];
// Crash once → respawn → crash again → second respawn
@@ -372,7 +378,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
{ runId: "run-started-dup", workflow: "my-wf", status: "started" as const, ts: 1000 },
];
const logStore = makeLogStore(activeRuns);
logStore.getThreadEvents.mockReturnValue([{ type: "thread_start", triggerPayload: {} }]);
logStore.getThreadMessages.mockReturnValue([]);
logStore.getTriggerPayload.mockReturnValue({ s: 1 });
const config = makeConfig({
@@ -380,7 +386,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const firstChild = mockChildren[0];
firstChild.exitCode = 1;
firstChild.connected = false;
@@ -410,7 +416,7 @@ describe("WorkflowManager — crash recovery (Phase 3)", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("crash-wf", {});
mgr.startWorkflow("crash-wf", { prompt: "test", maxRounds: 10 });
// Crash the worker 6 times in rapid succession (within CRASH_WINDOW_MS = 60s)
for (let i = 0; i < 6; i++) {
@@ -63,7 +63,10 @@ function sendRaw(path: string, message: object): Promise<object> {
}
beforeEach(() => {
sockPath = join(tmpdir(), `nerve-ipc-test-${Date.now()}-${Math.random().toString(36).slice(2)}.sock`);
sockPath = join(
tmpdir(),
`nerve-ipc-test-${Date.now()}-${Math.random().toString(36).slice(2)}.sock`,
);
});
afterEach(async () => {
@@ -62,7 +62,7 @@ const { createWorkflowManager } = await import("../workflow-manager.js");
const { createKernel } = await import("../kernel.js");
function makeWfConfig(workflows: Record<string, WorkflowConfig> = {}): NerveConfig {
return { senses: {}, reflexes: [], workflows };
return { senses: {}, reflexes: [], workflows, maxRounds: 10 };
}
function makeLogStore() {
@@ -77,6 +77,7 @@ function makeLogStore() {
getActiveWorkflowRuns: vi.fn(() => []),
getTriggerPayload: vi.fn(() => null),
getThreadEvents: vi.fn(() => []),
getThreadMessages: vi.fn(() => []),
getThreadRoundCount: vi.fn(() => 0),
getThreadRounds: vi.fn(() => []),
archiveLogs: vi.fn(() => ({ days: [], vacuumed: false })),
@@ -101,7 +102,7 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 1, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
// Remove workflow from config before drain completes
@@ -120,8 +121,8 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 2, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", { n: 1 });
mgr.startWorkflow("my-wf", { n: 2 });
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mgr.activeCount("my-wf")).toBe(2);
const drainPromise = mgr.drainAndRespawn("my-wf", 5000);
@@ -152,7 +153,7 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 1, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
const drainPromise = mgr.drainAndRespawn("my-wf", 5000);
@@ -168,7 +169,7 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 1, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
const drainPromise = mgr.drainAndRespawn("my-wf", 5000);
@@ -185,7 +186,7 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 1, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", {});
mgr.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const drainPromise = mgr.drainAndRespawn("my-wf", 5000);
await vi.runAllTimersAsync();
@@ -210,14 +211,14 @@ describe("WorkflowManager — drainAndRespawn (Phase 3 hot reload)", () => {
const config = makeWfConfig({ "my-wf": { concurrency: 1, overflow: "drop" } });
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-wf", { first: true });
mgr.startWorkflow("my-wf", { prompt: "first", maxRounds: 10 });
const drainPromise = mgr.drainAndRespawn("my-wf", 5000);
await vi.runAllTimersAsync();
await drainPromise;
// Start a new thread on the fresh worker
mgr.startWorkflow("my-wf", { second: true });
mgr.startWorkflow("my-wf", { prompt: "second", maxRounds: 10 });
const newChild = mockChildren[1];
const startCalls = (newChild.send as ReturnType<typeof vi.fn>).mock.calls.filter(
@@ -249,8 +250,9 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
const logStore = makeLogStore();
const config: NerveConfig = {
senses: {},
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null }],
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null } as any],
workflows: { "my-wf": { concurrency: 1, overflow: "drop" } },
maxRounds: 10,
};
const kernel = createKernel(config, "/tmp/nerve-hot-reload-test", {
@@ -259,7 +261,7 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
});
// Trigger a workflow thread so a worker is spawned
kernel.workflowManager.startWorkflow("my-wf", {});
kernel.workflowManager.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
// Manually call drainAndRespawn (simulating what kernel does on workflow file change)
const drainPromise = kernel.workflowManager.drainAndRespawn("my-wf", 1000);
@@ -269,7 +271,9 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
// Kernel's handleWorkflowFileChange should log a workflow_reload event
// We test this via the kernel itself
const appendCalls = logStore.append.mock.calls;
const startCall = appendCalls.find((args: any[]) => (args[0] as { type: string }).type === "start");
const startCall = appendCalls.find(
(args: any[]) => (args[0] as { type: string }).type === "start",
);
expect(startCall).toBeDefined();
const stopPromise = kernel.stop();
@@ -281,8 +285,9 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
const logStore = makeLogStore();
const initialConfig: NerveConfig = {
senses: {},
reflexes: [{ kind: "workflow", workflow: "old-wf", on: null }],
reflexes: [{ kind: "workflow", workflow: "old-wf", on: null } as any],
workflows: { "old-wf": { concurrency: 1, overflow: "drop" } },
maxRounds: 10,
};
const kernel = createKernel(initialConfig, "/tmp/nerve-hot-reload-test", {
@@ -291,7 +296,7 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
});
// Spawn a worker for old-wf
kernel.workflowManager.startWorkflow("old-wf", {});
kernel.workflowManager.startWorkflow("old-wf", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
// Reload config without old-wf
@@ -299,6 +304,7 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
senses: {},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -318,8 +324,9 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
const logStore = makeLogStore();
const initialConfig: NerveConfig = {
senses: {},
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null }],
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null } as any],
workflows: { "my-wf": { concurrency: 1, overflow: "drop" } },
maxRounds: 10,
};
const kernel = createKernel(initialConfig, "/tmp/nerve-hot-reload-test", {
@@ -327,14 +334,15 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
logStore,
});
kernel.workflowManager.startWorkflow("my-wf", {});
kernel.workflowManager.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
const workersBefore = mockChildren.length;
// Reload with updated concurrency — should NOT spawn a new workflow worker
const newConfig: NerveConfig = {
senses: {},
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null }],
reflexes: [{ kind: "workflow", workflow: "my-wf", on: null } as any],
workflows: { "my-wf": { concurrency: 5, overflow: "queue", maxQueue: 50 } },
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -346,8 +354,8 @@ describe("Kernel — workflow hot reload via file-watcher (Phase 3)", () => {
expect(kernel.workflowManager.activeCount("my-wf")).toBe(1);
// Can now start up to 5 concurrent threads (previously only 1)
kernel.workflowManager.startWorkflow("my-wf", { n: 2 });
kernel.workflowManager.startWorkflow("my-wf", { n: 3 });
kernel.workflowManager.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
kernel.workflowManager.startWorkflow("my-wf", { prompt: "test", maxRounds: 10 });
expect(kernel.workflowManager.activeCount("my-wf")).toBe(3);
const stopPromise = kernel.stop();
@@ -27,6 +27,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -74,6 +74,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -180,6 +181,7 @@ describe("kernel — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
});
expect(kernel.groups.has("network")).toBe(true);
@@ -196,6 +198,7 @@ describe("kernel — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
const kernel = createKernel(config, "/tmp/nerve-test");
@@ -210,6 +213,7 @@ describe("kernel — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
});
expect(kernel.groups.has("network")).toBe(false);
@@ -232,6 +236,7 @@ describe("kernel — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
});
expect(kernel.getHealth().activeSenses).toBe(2);
@@ -74,6 +74,7 @@ function makeMockLogStore() {
getAllWorkflowRuns: vi.fn(() => []),
getTriggerPayload: vi.fn(() => null),
getThreadEvents: vi.fn(() => []),
getThreadMessages: vi.fn(() => []),
getThreadRoundCount: vi.fn(() => 0),
getThreadRounds: vi.fn(() => []),
archiveLogs: vi.fn(() => ({ days: [], vacuumed: false })),
@@ -92,6 +93,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -193,9 +195,7 @@ describe("kernel.triggerSense()", () => {
// Should not throw even when the worker is disconnected
expect(() => kernel.triggerSense("cpu-usage")).not.toThrow();
expect(worker.send).not.toHaveBeenCalledWith(
expect.objectContaining({ type: "compute" }),
);
expect(worker.send).not.toHaveBeenCalledWith(expect.objectContaining({ type: "compute" }));
await kernel.stop();
}, 10_000);
@@ -81,6 +81,7 @@ function makeLogStore() {
getAllWorkflowRuns: vi.fn(() => []),
getTriggerPayload: vi.fn(() => null),
getThreadEvents: vi.fn(() => []),
getThreadMessages: vi.fn(() => []),
getThreadRoundCount: vi.fn(() => 0),
getThreadRounds: vi.fn(() => []),
archiveLogs: vi.fn(() => ({ days: [], vacuumed: false })),
@@ -95,6 +96,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -121,7 +123,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["cpu-usage"] } as any],
workflows: { "my-workflow": { concurrency: 2, overflow: "drop" } },
});
@@ -159,7 +161,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "alert-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "alert-workflow", on: ["cpu-usage"] } as any],
workflows: { "alert-workflow": { concurrency: 1, overflow: "drop" } },
});
@@ -200,7 +202,7 @@ describe("kernel + workflowManager integration", () => {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
"disk-io": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["disk-io"] }],
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["disk-io"] } as any],
workflows: { "my-workflow": { concurrency: 1, overflow: "drop" } },
});
@@ -236,7 +238,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "log-test-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "log-test-workflow", on: ["cpu-usage"] } as any],
workflows: { "log-test-workflow": { concurrency: 2, overflow: "drop" } },
});
@@ -267,6 +269,7 @@ describe("kernel + workflowManager integration", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
});
const kernel = createKernel(initialConfig, "/tmp/nerve-test", {
@@ -279,8 +282,9 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "new-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "new-workflow", on: ["cpu-usage"] } as any],
workflows: { "new-workflow": { concurrency: 1, overflow: "drop" } },
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -310,7 +314,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "old-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "old-workflow", on: ["cpu-usage"] } as any],
workflows: { "old-workflow": { concurrency: 1, overflow: "drop" } },
});
@@ -326,6 +330,7 @@ describe("kernel + workflowManager integration", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -361,7 +366,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "shutdown-test", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "shutdown-test", on: ["cpu-usage"] } as any],
workflows: { "shutdown-test": { concurrency: 1, overflow: "drop" } },
});
@@ -403,7 +408,7 @@ describe("kernel + workflowManager integration", () => {
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "health-wf", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "health-wf", on: ["cpu-usage"] } as any],
workflows: { "health-wf": { concurrency: 2, overflow: "drop" } },
});
@@ -60,6 +60,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -200,6 +201,7 @@ describe("kernel — groupForSense mapping", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
const kernel = createKernel(config, "/tmp/nerve-test");
@@ -230,8 +230,8 @@ describe("LogStore — crash recovery helpers (Phase 3)", () => {
const all = store.getThreadRounds("run-tr", { before: 0, limit: 50 });
expect(all).toHaveLength(2);
expect(all.map((r) => r.round)).toEqual([2, 1]);
expect(all[0].event.type).toBe("step_b");
expect(all[1].event.type).toBe("step_a");
expect(all[0].message.role).toBe("beta");
expect(all[1].message.role).toBe("alpha");
});
it("getThreadRounds respects exclusive before bound", () => {
@@ -30,6 +30,7 @@ describe("LogStore + ReflexScheduler integration", () => {
},
reflexes: [{ kind: "sense", sense: "cpu-usage", interval: null, on: ["cpu-usage"] }],
workflows: null,
maxRounds: 10,
};
const bus = createSignalBus();
const triggered: string[] = [];
@@ -57,6 +58,7 @@ describe("LogStore + ReflexScheduler integration", () => {
},
reflexes: [{ kind: "sense", sense: "cpu-usage", interval: 1000, on: null }],
workflows: null,
maxRounds: 10,
};
const bus = createSignalBus();
const ref: { scheduler: ReturnType<typeof createReflexScheduler> | null } = { scheduler: null };
@@ -87,6 +89,7 @@ describe("LogStore + ReflexScheduler integration", () => {
},
reflexes: [{ kind: "sense", sense: "cpu-usage", interval: null, on: ["cpu-usage"] }],
workflows: null,
maxRounds: 10,
};
const bus = createSignalBus();
const triggered: string[] = [];
@@ -24,6 +24,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -136,6 +137,7 @@ describe("phase6 — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -155,6 +157,7 @@ describe("phase6 — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel = createKernel(config, "/tmp/nerve-phase6-test", {
workerScript: MOCK_WORKER,
@@ -169,6 +172,7 @@ describe("phase6 — reloadConfig", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -199,6 +203,7 @@ describe("phase6 — error isolation", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel = createKernel(config, "/tmp/nerve-phase6-test", {
@@ -302,6 +307,7 @@ describe("phase6 — getHealth", () => {
},
reflexes: [],
workflows: null,
maxRounds: 10,
};
kernel.reloadConfig(newConfig);
@@ -11,6 +11,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -17,6 +17,7 @@ function makeConfig(overrides: Partial<NerveConfig> = {}): NerveConfig {
},
reflexes: [],
workflows: null,
maxRounds: 10,
...overrides,
};
}
@@ -290,10 +291,11 @@ describe("ReflexScheduler — workflow reflexes ignored", () => {
it("does not set up any scheduling for workflow kind reflexes", () => {
const triggered: string[] = [];
const config: NerveConfig = {
maxRounds: 10,
senses: {
"cpu-usage": { group: "system", throttle: null, timeout: null, gracePeriod: null },
},
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["cpu-usage"] }],
reflexes: [{ kind: "workflow", workflow: "my-workflow", on: ["cpu-usage"] } as any],
workflows: {
"my-workflow": { concurrency: 1, overflow: "drop" },
},
@@ -74,6 +74,7 @@ function makeLogStore() {
getActiveWorkflowRuns: vi.fn(() => []),
getTriggerPayload: vi.fn(() => null),
getThreadEvents: vi.fn(() => []),
getThreadMessages: vi.fn(() => []),
getThreadRoundCount: vi.fn(() => 0),
getThreadRounds: vi.fn(() => []),
archiveLogs: vi.fn(() => ({ days: [], vacuumed: false })),
@@ -84,6 +85,7 @@ function makeLogStore() {
function makeConfig(overrides: Partial<NerveConfig["workflows"]> = {}): NerveConfig {
return {
maxRounds: 10,
senses: {},
reflexes: [],
workflows: overrides as NerveConfig["workflows"],
@@ -113,7 +115,7 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-workflow", { event: "test" });
mgr.startWorkflow("my-workflow", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(1);
expect(mockChildren[0].send).toHaveBeenCalledWith(
@@ -129,8 +131,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-workflow", { n: 1 });
mgr.startWorkflow("my-workflow", { n: 2 });
mgr.startWorkflow("my-workflow", { prompt: "test 1", maxRounds: 10 });
mgr.startWorkflow("my-workflow", { prompt: "test 2", maxRounds: 10 });
// Only one forked child — worker is reused
expect(mockChildren).toHaveLength(1);
@@ -145,7 +147,7 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("my-workflow", { x: 1 });
mgr.startWorkflow("my-workflow", { prompt: "test", maxRounds: 10 });
expect(logStore.upsertWorkflowRun).toHaveBeenCalledWith(
expect.objectContaining({ source: "workflow", type: "started" }),
@@ -162,9 +164,9 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("drop-wf", { first: true });
mgr.startWorkflow("drop-wf", { prompt: "first", maxRounds: 10 });
// now at limit — second call should be dropped
mgr.startWorkflow("drop-wf", { second: true });
mgr.startWorkflow("drop-wf", { prompt: "second", maxRounds: 10 });
expect(mgr.activeCount("drop-wf")).toBe(1);
expect(mgr.queueLength("drop-wf")).toBe(0);
@@ -179,8 +181,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("drop-wf", {});
mgr.startWorkflow("drop-wf", {});
mgr.startWorkflow("drop-wf", { prompt: "test", maxRounds: 10 });
mgr.startWorkflow("drop-wf", { prompt: "test", maxRounds: 10 });
const droppedCall = logStore.upsertWorkflowRun.mock.calls.find(
([entry]) => entry.type === "dropped",
@@ -197,8 +199,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("queue-wf", { first: true });
mgr.startWorkflow("queue-wf", { second: true });
mgr.startWorkflow("queue-wf", { prompt: "first", maxRounds: 10 });
mgr.startWorkflow("queue-wf", { prompt: "second", maxRounds: 10 });
expect(mgr.activeCount("queue-wf")).toBe(1);
expect(mgr.queueLength("queue-wf")).toBe(1);
@@ -211,8 +213,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("queue-wf", {});
mgr.startWorkflow("queue-wf", {});
mgr.startWorkflow("queue-wf", { prompt: "test", maxRounds: 10 });
mgr.startWorkflow("queue-wf", { prompt: "test", maxRounds: 10 });
const queuedCall = logStore.upsertWorkflowRun.mock.calls.find(
([entry]) => entry.type === "queued",
@@ -231,12 +233,12 @@ describe("WorkflowManager", () => {
const mgr = createWorkflowManager("/nerve-root", config, logStore);
// Fill the concurrency slot
mgr.startWorkflow("queue-wf", { n: 0 });
mgr.startWorkflow("queue-wf", { prompt: "test 0", maxRounds: 10 });
// Fill the queue to maxQueue
mgr.startWorkflow("queue-wf", { n: 1 });
mgr.startWorkflow("queue-wf", { n: 2 });
// This one should push out { n: 1 }
mgr.startWorkflow("queue-wf", { n: 3 });
mgr.startWorkflow("queue-wf", { prompt: "test 1", maxRounds: 10 });
mgr.startWorkflow("queue-wf", { prompt: "test 2", maxRounds: 10 });
// This one should push out the oldest
mgr.startWorkflow("queue-wf", { prompt: "test 3", maxRounds: 10 });
// Queue should still be at maxQueue (2)
expect(mgr.queueLength("queue-wf")).toBe(2);
@@ -257,8 +259,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("queue-wf", { first: true });
mgr.startWorkflow("queue-wf", { second: true });
mgr.startWorkflow("queue-wf", { prompt: "first", maxRounds: 10 });
mgr.startWorkflow("queue-wf", { prompt: "second", maxRounds: 10 });
expect(mgr.activeCount("queue-wf")).toBe(1);
expect(mgr.queueLength("queue-wf")).toBe(1);
@@ -292,8 +294,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("queue-wf", { first: true });
mgr.startWorkflow("queue-wf", { second: true });
mgr.startWorkflow("queue-wf", { prompt: "first", maxRounds: 10 });
mgr.startWorkflow("queue-wf", { prompt: "second", maxRounds: 10 });
const child = mockChildren[0];
const firstRunId = (child.send as ReturnType<typeof vi.fn>).mock.calls[0][0].runId as string;
@@ -319,8 +321,8 @@ describe("WorkflowManager", () => {
});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("wf-a", {});
mgr.startWorkflow("wf-b", {});
mgr.startWorkflow("wf-a", { prompt: "test", maxRounds: 10 });
mgr.startWorkflow("wf-b", { prompt: "test", maxRounds: 10 });
// Two distinct workers should have been forked
expect(mockChildren).toHaveLength(2);
@@ -346,7 +348,7 @@ describe("WorkflowManager", () => {
await vi.runAllTimersAsync();
await stopPromise;
mgr.startWorkflow("wf-a", {});
mgr.startWorkflow("wf-a", { prompt: "test", maxRounds: 10 });
// No worker should have been spawned
expect(mockChildren).toHaveLength(0);
@@ -359,7 +361,7 @@ describe("WorkflowManager", () => {
const config = makeConfig({});
const mgr = createWorkflowManager("/nerve-root", config, logStore);
mgr.startWorkflow("no-such-workflow", {});
mgr.startWorkflow("no-such-workflow", { prompt: "test", maxRounds: 10 });
expect(mockChildren).toHaveLength(0);
expect(logStore.upsertWorkflowRun).not.toHaveBeenCalled();
+6 -3
View File
@@ -23,7 +23,8 @@ export type { SenseInfo };
export type TriggerWorkflowRequest = {
type: "trigger-workflow";
workflow: string;
payload: unknown;
prompt: string;
maxRounds: number;
};
/** JSON message sent by the CLI to trigger a sense compute on-demand. */
@@ -55,7 +56,9 @@ function parseRequest(line: string): DaemonRequest | null {
const req = obj as Record<string, unknown>;
if (req.type === "trigger-workflow") {
if (typeof req.workflow !== "string" || req.workflow.length === 0) return null;
return { type: "trigger-workflow", workflow: req.workflow, payload: req.payload ?? {} };
if (typeof req.prompt !== "string") return null;
if (typeof req.maxRounds !== "number") return null;
return { type: "trigger-workflow", workflow: req.workflow, prompt: req.prompt, maxRounds: req.maxRounds as number };
}
if (req.type === "trigger-sense") {
if (typeof req.sense !== "string" || req.sense.length === 0) return null;
@@ -102,7 +105,7 @@ export function createDaemonIpcServer(
try {
if (req.type === "trigger-workflow") {
workflowManager.startWorkflow(req.workflow, req.payload);
workflowManager.startWorkflow(req.workflow, { prompt: req.prompt, maxRounds: req.maxRounds });
const resp: DaemonResponse = { ok: true };
socket.write(`${JSON.stringify(resp)}\n`);
} else if (req.type === "trigger-sense") {
+1
View File
@@ -12,6 +12,7 @@ export type {
ResumeThreadMessage,
ThreadEventMessage,
WorkflowErrorMessage,
ThreadWorkflowMessageMessage,
} from "./ipc.js";
export type { SignalBus, SignalHandler, Unsubscribe } from "./signal-bus.js";
+38 -25
View File
@@ -31,18 +31,19 @@ export type StartThreadMessage = {
type: "start-thread";
runId: string;
workflow: string;
/** The trigger payload from the Reflex that initiated this thread. */
triggerPayload: unknown;
prompt: string;
/** Safety-valve: max moderator rounds for this thread (engine launch parameter). */
maxRounds: number;
};
/** Parent → Workflow Worker: resume an existing thread after crash recovery */
export type ResumeThreadMessage = {
type: "resume-thread";
runId: string;
/** Serialised CommandEvent history to rebuild ThreadState. */
events: Array<{ type: string; [key: string]: unknown }>;
/** Serialised trigger payload (the same value as in the original start-thread). */
triggerPayload: unknown;
/** Serialised WorkflowMessage history to rebuild chain (must begin with `__start__`). */
messages: Array<{ role: string; content: string; meta: unknown; timestamp: number }>;
/** Safety-valve: max moderator rounds for this thread. */
maxRounds: number;
};
/** Union of all messages the parent sends to a worker */
@@ -103,12 +104,12 @@ export type WorkflowErrorMessage = {
error: string;
};
/** Workflow Worker → Parent: a thread CommandEvent produced by a role (for crash recovery). */
export type ThreadCommandEventMessage = {
type: "thread-command-event";
/** Workflow Worker → Parent: a WorkflowMessage produced by a role (for crash recovery). */
export type ThreadWorkflowMessageMessage = {
type: "thread-workflow-message";
runId: string;
/** The CommandEvent returned by role.execute() — will be persisted for crash recovery. */
event: { type: string; [key: string]: unknown };
/** The WorkflowMessage produced by the role persisted for crash recovery. */
message: { role: string; content: string; meta: unknown; timestamp: number };
};
/** Union of all messages a worker sends to the parent */
@@ -119,7 +120,7 @@ export type WorkerToParentMessage =
| HealthResponseMessage
| ThreadEventMessage
| WorkflowErrorMessage
| ThreadCommandEventMessage;
| ThreadWorkflowMessageMessage;
const PARENT_MSG_TYPES = new Set([
"compute",
@@ -132,14 +133,16 @@ const PARENT_MSG_TYPES = new Set([
function validateStartThreadMsg(obj: Record<string, unknown>): string | null {
if (typeof obj.runId !== "string") return "'start-thread' message missing string 'runId'";
if (typeof obj.workflow !== "string") return "'start-thread' message missing string 'workflow'";
if (!("triggerPayload" in obj)) return "'start-thread' message missing 'triggerPayload'";
if (typeof obj.prompt !== "string") return "'start-thread' message missing string 'prompt'";
if (typeof obj.maxRounds !== "number") return "'start-thread' message missing number 'maxRounds'";
return null;
}
function validateResumeThreadMsg(obj: Record<string, unknown>): string | null {
if (typeof obj.runId !== "string") return "'resume-thread' message missing string 'runId'";
if (!Array.isArray(obj.events)) return "'resume-thread' message missing 'events' array";
if (!("triggerPayload" in obj)) return "'resume-thread' message missing 'triggerPayload'";
if (!Array.isArray(obj.messages)) return "'resume-thread' message missing 'messages' array";
if (typeof obj.maxRounds !== "number")
return "'resume-thread' message missing number 'maxRounds'";
return null;
}
@@ -245,24 +248,34 @@ const WORKER_MSG_TYPES = new Set([
"health-response",
"thread-event",
"workflow-error",
"thread-command-event",
"thread-workflow-message",
]);
function parseThreadCommandEventMsg(
function parseThreadWorkflowMessageMsg(
obj: Record<string, unknown>,
raw: unknown,
): Result<WorkerToParentMessage> {
if (typeof obj.runId !== "string") {
return err(new Error("Worker 'thread-command-event' message missing string 'runId' field"));
return err(new Error("Worker 'thread-workflow-message' missing string 'runId' field"));
}
if (obj.event === null || typeof obj.event !== "object") {
return err(new Error("Worker 'thread-command-event' message missing object 'event' field"));
if (obj.message === null || typeof obj.message !== "object") {
return err(new Error("Worker 'thread-workflow-message' missing object 'message' field"));
}
const event = obj.event as Record<string, unknown>;
if (typeof event.type !== "string") {
return err(new Error("Worker 'thread-command-event' event missing string 'type' field"));
const msg = obj.message as Record<string, unknown>;
if (typeof msg.role !== "string") {
return err(new Error("Worker 'thread-workflow-message' message missing string 'role' field"));
}
return ok(raw as ThreadCommandEventMessage);
if (typeof msg.content !== "string") {
return err(
new Error("Worker 'thread-workflow-message' message missing string 'content' field"),
);
}
if (typeof msg.timestamp !== "number") {
return err(
new Error("Worker 'thread-workflow-message' message missing number 'timestamp' field"),
);
}
return ok(raw as ThreadWorkflowMessageMessage);
}
/** Validate and parse an unknown IPC message received from a worker process. */
@@ -282,6 +295,6 @@ export function parseWorkerMessage(raw: unknown): Result<WorkerToParentMessage>
if (obj.type === "health-response") return parseHealthResponseMsg(obj, raw);
if (obj.type === "thread-event") return parseThreadEventMsg(obj, raw);
if (obj.type === "workflow-error") return parseWorkflowErrorMsg(obj, raw);
if (obj.type === "thread-command-event") return parseThreadCommandEventMsg(obj, raw);
if (obj.type === "thread-workflow-message") return parseThreadWorkflowMessageMsg(obj, raw);
return ok({ type: "ready" });
}
+28 -21
View File
@@ -19,7 +19,7 @@ import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";
import type { NerveConfig, SenseInfo, Signal } from "@uncaged/nerve-core";
import { parseNerveConfig } from "@uncaged/nerve-core";
import { parseNerveConfig, routeSenseComputeOutput } from "@uncaged/nerve-core";
import { createDaemonIpcServer } from "./daemon-ipc.js";
import type { DaemonIpcServer } from "./daemon-ipc.js";
@@ -230,20 +230,33 @@ export function createKernel(
}
if (msg.type === "signal") {
const signal: Signal = {
id: nextSignalId(),
senseId: msg.sense,
payload: msg.payload,
ts: Date.now(),
};
logStore.append({
source: "sense",
type: "signal",
refId: msg.sense,
payload: JSON.stringify(msg.payload),
ts: signal.ts,
});
bus.emit(signal);
const route = routeSenseComputeOutput(msg.payload);
if (route.kind === "launch") {
const { workflowName, maxRounds, prompt } = route.launch;
workflowManager.startWorkflow(workflowName, { prompt, maxRounds });
logStore.append({
source: "sense",
type: "workflow-launch",
refId: msg.sense,
payload: JSON.stringify(route.launch),
ts: Date.now(),
});
} else {
const signal: Signal = {
id: nextSignalId(),
senseId: msg.sense,
payload: route.payload,
ts: Date.now(),
};
logStore.append({
source: "sense",
type: "signal",
refId: msg.sense,
payload: JSON.stringify(route.payload),
ts: signal.ts,
});
bus.emit(signal);
}
scheduler.onComputeComplete(msg.sense);
}
@@ -319,9 +332,6 @@ export function createKernel(
scheduler = createReflexScheduler(config, bus, triggerFn, {
logStore,
workflowTriggerFn: (workflowName, payload) => {
workflowManager.startWorkflow(workflowName, payload);
},
});
if (groups.size === 0) {
@@ -408,9 +418,6 @@ export function createKernel(
scheduler.stop();
scheduler = createReflexScheduler(config, bus, triggerFn, {
logStore,
workflowTriggerFn: (workflowName, payload) => {
workflowManager.startWorkflow(workflowName, payload);
},
});
// Update workflow concurrency/overflow config incrementally — no restart needed
workflowManager.updateConfig(newConfig);
+85 -26
View File
@@ -83,12 +83,12 @@ export type WorkflowRun = {
ts: number;
};
/** One role-produced command-event row with 1-based round index (ROW_NUMBER over role events only). */
/** One role-produced workflow-message row with 1-based round index (ROW_NUMBER over role messages only). */
export type ThreadRoundRow = {
round: number;
logId: number;
ts: number;
event: { type: string; [key: string]: unknown };
message: { role: string; content: string; meta: unknown; timestamp: number };
};
/** Parameters for {@link LogStore.getThreadRounds}. */
@@ -136,9 +136,16 @@ export type LogStore = {
getTriggerPayload: (runId: string) => unknown;
/**
* Get all workflow CommandEvents for a specific run, ordered by id ASC.
* Used for crash recovery to rebuild ThreadState.
* @deprecated Use getThreadMessages for the new WorkflowMessage format.
*/
getThreadEvents: (runId: string) => Array<{ type: string; [key: string]: unknown }>;
/**
* Get all WorkflowMessages for a specific run, ordered by id ASC.
* Used for crash recovery to rebuild the message chain.
*/
getThreadMessages: (
runId: string,
) => Array<{ role: string; content: string; meta: unknown; timestamp: number }>;
/**
* Count role command events for a run (excludes `thread_start` and invalid payloads).
* Round indices for {@link getThreadRounds} are 1..count in chronological order.
@@ -309,9 +316,13 @@ export function createLogStore(dbPath: string): LogStore {
"SELECT payload FROM logs WHERE source = 'workflow' AND type = 'thread_command_event' AND ref_id = ? ORDER BY id ASC",
);
const getThreadMessagesStmt = sqlite.prepare(
"SELECT payload FROM logs WHERE source = 'workflow' AND type = 'thread_workflow_message' AND ref_id = ? ORDER BY id ASC",
);
const getThreadRoundCountStmt = sqlite.prepare(
`SELECT COUNT(*) AS c FROM logs
WHERE source = 'workflow' AND type = 'thread_command_event' AND ref_id = ?
WHERE source = 'workflow' AND type IN ('thread_command_event', 'thread_workflow_message') AND ref_id = ?
AND payload IS NOT NULL AND json_valid(payload) = 1
AND COALESCE(json_extract(payload, '$.type'), '') != 'thread_start'`,
);
@@ -321,7 +332,7 @@ export function createLogStore(dbPath: string): LogStore {
SELECT id, ts, payload,
ROW_NUMBER() OVER (ORDER BY id ASC) AS rn
FROM logs
WHERE source = 'workflow' AND type = 'thread_command_event' AND ref_id = @runId
WHERE source = 'workflow' AND type IN ('thread_command_event', 'thread_workflow_message') AND ref_id = @runId
AND payload IS NOT NULL AND json_valid(payload) = 1
AND COALESCE(json_extract(payload, '$.type'), '') != 'thread_start'
)
@@ -527,6 +538,38 @@ export function createLogStore(dbPath: string): LogStore {
return result;
}
function tryParseWorkflowMessage(
payload: string,
): { role: string; content: string; meta: unknown; timestamp: number } | null {
try {
const parsed = JSON.parse(payload) as unknown;
if (parsed === null || typeof parsed !== "object") return null;
const obj = parsed as Record<string, unknown>;
if (typeof obj.role !== "string" || typeof obj.content !== "string") return null;
return {
role: obj.role,
content: obj.content,
meta: obj.meta,
timestamp: typeof obj.timestamp === "number" ? obj.timestamp : 0,
};
} catch {
return null;
}
}
function getThreadMessages(
runId: string,
): Array<{ role: string; content: string; meta: unknown; timestamp: number }> {
const rows = getThreadMessagesStmt.all(runId) as Array<{ payload: string | null }>;
const result: Array<{ role: string; content: string; meta: unknown; timestamp: number }> = [];
for (const row of rows) {
if (row.payload === null) continue;
const msg = tryParseWorkflowMessage(row.payload);
if (msg !== null) result.push(msg);
}
return result;
}
function getThreadRoundCount(runId: string): number {
const row = getThreadRoundCountStmt.get(runId) as { c: number } | undefined;
const c = row?.c;
@@ -534,36 +577,51 @@ export function createLogStore(dbPath: string): LogStore {
return Number(c);
}
function parseRoundPayload(
payload: string,
fallbackTs: number,
): { role: string; content: string; meta: unknown; timestamp: number } | null {
try {
const parsed = JSON.parse(payload) as unknown;
if (parsed === null || typeof parsed !== "object") return null;
const obj = parsed as Record<string, unknown>;
if (typeof obj.role === "string" && typeof obj.content === "string") {
return {
role: obj.role,
content: obj.content,
meta: obj.meta,
timestamp: typeof obj.timestamp === "number" ? obj.timestamp : 0,
};
}
if (typeof obj.type === "string") {
return {
role: typeof obj.role === "string" ? obj.role : obj.type,
content: typeof obj.content === "string" ? obj.content : JSON.stringify(obj),
meta: obj,
timestamp: fallbackTs,
};
}
return null;
} catch {
return null;
}
}
function getThreadRounds(runId: string, params: GetThreadRoundsParams): ThreadRoundRow[] {
const before = params.before;
const lim = params.limit;
if (lim < 1) return [];
if (params.limit < 1) return [];
const rows = getThreadRoundsStmt.all({
runId,
before,
lim,
before: params.before,
lim: params.limit,
}) as Array<{ id: number; ts: number; payload: string | null; rn: number }>;
const out: ThreadRoundRow[] = [];
for (const row of rows) {
if (row.payload === null) continue;
try {
const parsed = JSON.parse(row.payload) as unknown;
if (
parsed !== null &&
typeof parsed === "object" &&
typeof (parsed as Record<string, unknown>).type === "string"
) {
out.push({
round: row.rn,
logId: row.id,
ts: row.ts,
event: parsed as { type: string; [key: string]: unknown },
});
}
} catch {
// skip malformed payloads
const message = parseRoundPayload(row.payload, row.ts);
if (message !== null) {
out.push({ round: row.rn, logId: row.id, ts: row.ts, message });
}
}
return out;
@@ -633,6 +691,7 @@ export function createLogStore(dbPath: string): LogStore {
getAllWorkflowRuns,
getTriggerPayload,
getThreadEvents,
getThreadMessages,
getThreadRoundCount,
getThreadRounds,
archiveLogs,
-19
View File
@@ -16,9 +16,6 @@ import type { SignalBus, Unsubscribe } from "./signal-bus.js";
/** Sends a compute message to the worker responsible for the given sense. */
export type TriggerFn = (senseName: string) => void;
/** Triggers a workflow run in response to a signal. */
export type WorkflowTriggerFn = (workflowName: string, payload: unknown) => void;
/** Per-sense mutable state tracked by the scheduler. */
type SenseState = {
lastComputeAt: number;
@@ -40,7 +37,6 @@ function makeSenseState(): SenseState {
export type ReflexSchedulerOptions = {
logStore?: LogStore;
workflowTriggerFn?: WorkflowTriggerFn;
};
/**
@@ -157,21 +153,6 @@ export function createReflexScheduler(
}
for (const reflex of config.reflexes) {
if (reflex.kind === "workflow") {
if (opts?.workflowTriggerFn !== undefined && reflex.on !== null && reflex.on.length > 0) {
const workflowTriggerFn = opts.workflowTriggerFn;
const workflowName = reflex.workflow;
const watchedSenses = new Set(reflex.on);
const unsub = bus.subscribe((signal) => {
if (watchedSenses.has(signal.senseId)) {
workflowTriggerFn(workflowName, signal.payload);
}
});
unsubscribers.push(unsub);
}
continue;
}
if (reflex.kind !== "sense") continue;
const senseReflex = reflex;
const senseName = senseReflex.sense;
+1 -4
View File
@@ -26,10 +26,7 @@ export function teeCapturedStderr(child: ChildProcess, tail: { value: string }):
});
}
export function formatChildExitSummary(
code: number | null,
signal: NodeJS.Signals | null,
): string {
export function formatChildExitSummary(code: number | null, signal: NodeJS.Signals | null): string {
const codeStr = code === null || code === undefined ? "null" : String(code);
if (signal) {
return `code=${codeStr} signal=${signal}`;
+72 -22
View File
@@ -11,7 +11,8 @@ import type { ChildProcess } from "node:child_process";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";
import type { NerveConfig, WorkflowConfig } from "@uncaged/nerve-core";
import type { NerveConfig, WorkflowConfig, WorkflowMessage } from "@uncaged/nerve-core";
import { START } from "@uncaged/nerve-core";
import type {
ResumeThreadMessage,
@@ -28,9 +29,14 @@ import {
teeCapturedStderr,
} from "./worker-fork-support.js";
export type WorkflowLaunchParams = {
prompt: string;
maxRounds: number;
};
export type WorkflowManager = {
/** Trigger a new workflow thread (called by Reflex scheduler). */
startWorkflow: (workflowName: string, payload: unknown) => void;
/** Trigger a new workflow thread (Sense-driven launch or CLI / IPC). */
startWorkflow: (workflowName: string, launch: WorkflowLaunchParams) => void;
/** Number of currently active (running) threads for a workflow. */
activeCount: (workflowName: string) => number;
/** Number of pending queued threads waiting to run for a workflow. */
@@ -51,7 +57,8 @@ export type WorkflowManager = {
type PendingThread = {
runId: string;
payload: unknown;
prompt: string;
maxRounds: number;
};
type WorkflowState = {
@@ -81,6 +88,42 @@ const WORKER_SHUTDOWN_TIMEOUT_MS = 10_000;
const DEFAULT_MAX_QUEUE = 100;
function readLaunchFromTriggerPayload(
raw: unknown,
engineDefaultMaxRounds: number,
): { prompt: string; maxRounds: number } {
if (raw !== null && typeof raw === "object" && !Array.isArray(raw)) {
const o = raw as Record<string, unknown>;
if (typeof o.prompt === "string" && typeof o.maxRounds === "number") {
return { prompt: o.prompt, maxRounds: o.maxRounds };
}
}
return { prompt: "", maxRounds: engineDefaultMaxRounds };
}
function ensureThreadMessagesWithStart(
messages: Array<{ role: string; content: string; meta: unknown; timestamp: number }>,
fallbackPrompt: string,
fallbackMaxRounds: number,
): WorkflowMessage[] {
const mapped: WorkflowMessage[] = messages.map((m) => ({
role: m.role,
content: m.content,
meta: m.meta,
timestamp: m.timestamp,
}));
if (mapped.length > 0 && mapped[0].role === START) {
return mapped;
}
const start: WorkflowMessage = {
role: START,
content: fallbackPrompt,
meta: { maxRounds: fallbackMaxRounds },
timestamp: Date.now(),
};
return [start, ...mapped];
}
function resolveWorkerScript(): string {
const __filename = fileURLToPath(import.meta.url);
const __dir = dirname(__filename);
@@ -213,7 +256,12 @@ export function createWorkflowManager(
}
}
function dispatchThread(workflowName: string, runId: string, payload: unknown): void {
function dispatchThread(
workflowName: string,
runId: string,
prompt: string,
maxRounds: number,
): void {
const state = getOrCreateState(workflowName);
state.active.add(runId);
@@ -222,11 +270,11 @@ export function createWorkflowManager(
type: "start-thread",
runId,
workflow: workflowName,
triggerPayload: payload,
prompt,
maxRounds,
};
sendStartThread(worker.process, msg);
// Store triggerPayload in the log so it can be recovered after a crash
logWorkflowEvent(workflowName, runId, "started", { triggerPayload: payload });
logWorkflowEvent(workflowName, runId, "started", { prompt, maxRounds });
}
function dequeueNext(workflowName: string): void {
@@ -239,7 +287,7 @@ export function createWorkflowManager(
if (state.active.size < concurrency) {
const next = state.queue.shift();
if (next !== undefined) {
dispatchThread(workflowName, next.runId, next.payload);
dispatchThread(workflowName, next.runId, next.prompt, next.maxRounds);
}
}
}
@@ -260,8 +308,8 @@ export function createWorkflowManager(
function recoverQueuedRun(workflowName: string, runId: string, state: WorkflowState): void {
if (state.queue.some((q) => q.runId === runId)) return;
const triggerPayload = logStore.getTriggerPayload(runId);
state.queue.push({ runId, payload: triggerPayload });
const launch = readLaunchFromTriggerPayload(logStore.getTriggerPayload(runId), config.maxRounds);
state.queue.push({ runId, prompt: launch.prompt, maxRounds: launch.maxRounds });
process.stderr.write(
`[workflow-manager] crash-recovery: re-queued thread "${runId}" for "${workflowName}"\n`,
);
@@ -274,18 +322,19 @@ export function createWorkflowManager(
worker: WorkerEntry,
): void {
if (state.active.has(runId)) return;
const events = logStore.getThreadEvents(runId);
const triggerPayload = logStore.getTriggerPayload(runId);
const rawMessages = logStore.getThreadMessages(runId);
const launch = readLaunchFromTriggerPayload(logStore.getTriggerPayload(runId), config.maxRounds);
const messages = ensureThreadMessagesWithStart(rawMessages, launch.prompt, launch.maxRounds);
state.active.add(runId);
const msg: ResumeThreadMessage = {
type: "resume-thread",
runId,
events,
triggerPayload,
messages,
maxRounds: launch.maxRounds,
};
sendResumeThread(worker.process, msg);
process.stderr.write(
`[workflow-manager] crash-recovery: resuming thread "${runId}" for "${workflowName}" (${events.length} events)\n`,
`[workflow-manager] crash-recovery: resuming thread "${runId}" for "${workflowName}" (${messages.length} messages)\n`,
);
}
@@ -363,12 +412,12 @@ export function createWorkflowManager(
return;
}
if (msg.type === "thread-command-event") {
if (msg.type === "thread-workflow-message") {
logStore.append({
source: "workflow",
type: "thread_command_event",
type: "thread_workflow_message",
refId: msg.runId,
payload: JSON.stringify(msg.event),
payload: JSON.stringify(msg.message),
ts: Date.now(),
});
return;
@@ -464,7 +513,7 @@ export function createWorkflowManager(
return entry;
}
function startWorkflow(workflowName: string, payload: unknown): void {
function startWorkflow(workflowName: string, launch: WorkflowLaunchParams): void {
if (stopped) return;
const wfConfig = workflowConfig(workflowName);
@@ -477,9 +526,10 @@ export function createWorkflowManager(
const state = getOrCreateState(workflowName);
const runId = crypto.randomUUID();
const { prompt, maxRounds } = launch;
if (state.active.size < wfConfig.concurrency) {
dispatchThread(workflowName, runId, payload);
dispatchThread(workflowName, runId, prompt, maxRounds);
return;
}
@@ -504,7 +554,7 @@ export function createWorkflowManager(
}
}
state.queue.push({ runId, payload });
state.queue.push({ runId, prompt, maxRounds });
logWorkflowEvent(workflowName, runId, "queued");
process.stderr.write(
`[workflow-manager] queued thread for "${workflowName}" runId "${runId}" (queue length: ${state.queue.length})\n`,
+96 -120
View File
@@ -12,14 +12,14 @@
import { existsSync } from "node:fs";
import { join, resolve } from "node:path";
import type {
CommandEvent,
ThreadState,
WorkflowContext,
WorkflowDefinition,
} from "@uncaged/nerve-core";
import type { RoleMeta, WorkflowDefinition, WorkflowMessage } from "@uncaged/nerve-core";
import { END, START } from "@uncaged/nerve-core";
import type { ThreadCommandEventMessage, ThreadEventType, WorkerToParentMessage } from "./ipc.js";
import type {
ThreadEventType,
ThreadWorkflowMessageMessage,
WorkerToParentMessage,
} from "./ipc.js";
import { parseParentMessage } from "./ipc.js";
import { ignoreSessionBroadcastSignals } from "./worker-fork-support.js";
@@ -45,136 +45,112 @@ function sendWorkflowError(runId: string, error: string): void {
send({ type: "workflow-error", runId, error });
}
function sendCommandEvent(runId: string, event: CommandEvent): void {
const msg: ThreadCommandEventMessage = {
type: "thread-command-event",
function sendWorkflowMessage(runId: string, message: WorkflowMessage): void {
const msg: ThreadWorkflowMessageMessage = {
type: "thread-workflow-message",
runId,
event: event as { type: string; [key: string]: unknown },
message: {
role: message.role,
content: message.content,
meta: message.meta,
timestamp: message.timestamp,
},
};
send(msg);
}
// ---------------------------------------------------------------------------
// Thread loop (RFC-002 §5.4)
// Thread loop (signal-driven automaton, issue #80)
// ---------------------------------------------------------------------------
/**
* Replay persisted events through moderate() to reconstruct ThreadState,
* then execute the next role and return the resulting CommandEvent.
* Returns null if the thread is already complete (moderate returned null).
*/
async function replayAndResume(
def: WorkflowDefinition,
runId: string,
ctx: WorkflowContext,
state: ThreadState,
resumeEvents: CommandEvent[],
): Promise<CommandEvent | null> {
let lastNext: ReturnType<typeof def.moderate> = null;
for (const ev of resumeEvents) {
state.events.push(ev);
lastNext = def.moderate(state, ev);
if (lastNext === null) {
sendThreadEvent(runId, "completed", null);
return null;
}
}
const next = lastNext;
if (next === null) {
sendThreadEvent(runId, "completed", null);
return null;
}
const role = def.roles[next.role];
if (!role) {
sendWorkflowError(runId, `Unknown role: ${next.role}`);
return null;
}
try {
const event = await role.execute(next.prompt, ctx);
sendCommandEvent(runId, event);
return event;
} catch (e: unknown) {
const errMsg = e instanceof Error ? e.message : String(e);
sendThreadEvent(runId, "failed", { error: errMsg });
return null;
}
}
async function runThread(
def: WorkflowDefinition,
workflowName: string,
def: WorkflowDefinition<RoleMeta>,
runId: string,
triggerPayload: unknown,
/** Pre-existing event history for crash-recovery resume. Empty for a fresh thread. */
resumeEvents: CommandEvent[] = [],
maxRounds: number,
resumeMessages: WorkflowMessage[] = [],
freshPrompt: string | null = null,
): Promise<void> {
const state: ThreadState = { runId, events: [] };
const ctx: WorkflowContext = {
runId,
workflowName,
log: (msg) => sendThreadEvent(runId, "step_complete", { message: msg }),
};
let chain: WorkflowMessage[];
const initialEvent: CommandEvent = {
type: "thread_start",
triggerPayload: triggerPayload ?? {},
};
if (resumeMessages.length > 0) {
chain = [...resumeMessages];
} else {
const prompt = freshPrompt ?? "";
const startMsg: WorkflowMessage = {
role: START,
content: prompt,
meta: { maxRounds },
timestamp: Date.now(),
};
chain = [startMsg];
sendWorkflowMessage(runId, startMsg);
}
// On resume: replay persisted events, run the next un-executed role, then continue.
if (resumeEvents.length > 0) {
const nextEvent = await replayAndResume(def, runId, ctx, state, resumeEvents);
if (nextEvent === null) return;
await continueThread(def, runId, ctx, state, nextEvent);
let roleRound = chain.filter((m) => m.role !== START).length;
const lastMsg = chain[chain.length - 1];
if (lastMsg === undefined) {
sendWorkflowError(runId, "empty workflow message chain");
return;
}
// Fresh thread — send the initial command event and enter the loop.
sendCommandEvent(runId, initialEvent);
await continueThread(def, runId, ctx, state, initialEvent);
}
const lastSignal =
lastMsg.role === START
? {
role: START,
content: lastMsg.content,
meta: lastMsg.meta as { maxRounds: number },
timestamp: lastMsg.timestamp,
}
: { role: lastMsg.role, meta: lastMsg.meta as Record<string, unknown> };
async function continueThread(
def: WorkflowDefinition,
runId: string,
ctx: WorkflowContext,
state: ThreadState,
firstEvent: CommandEvent,
): Promise<void> {
let event = firstEvent;
let nextRole = def.moderator(
lastSignal as Parameters<typeof def.moderator>[0],
roleRound,
maxRounds,
);
const MAX_STEPS = 1000;
let step = 0;
while (step < MAX_STEPS) {
step++;
state.events.push(event);
const next = def.moderate(state, event);
if (nextRole === END) {
sendThreadEvent(runId, "completed", null);
return;
}
if (next === null) {
sendThreadEvent(runId, "completed", null);
return;
}
const role = def.roles[next.role];
while (roleRound < maxRounds) {
const role = def.roles[nextRole];
if (!role) {
sendWorkflowError(runId, `Unknown role: ${next.role}`);
sendWorkflowError(runId, `Unknown role: ${nextRole}`);
return;
}
let result: { content: string; meta: Record<string, unknown> };
try {
event = await role.execute(next.prompt, ctx);
result = await role(chain);
} catch (e: unknown) {
const errMsg = e instanceof Error ? e.message : String(e);
sendThreadEvent(runId, "failed", { error: errMsg });
return;
}
sendCommandEvent(runId, event);
}
if (step >= MAX_STEPS) {
sendWorkflowError(runId, `Thread exceeded maximum steps (${MAX_STEPS})`);
const message: WorkflowMessage = {
role: nextRole,
content: result.content,
meta: result.meta,
timestamp: Date.now(),
};
chain.push(message);
sendWorkflowMessage(runId, message);
roleRound += 1;
const signal = { role: nextRole, meta: result.meta };
nextRole = def.moderator(signal as Parameters<typeof def.moderator>[0], roleRound, maxRounds);
if (nextRole === END) {
sendThreadEvent(runId, "completed", null);
return;
}
}
sendWorkflowError(runId, `Thread exceeded maximum rounds (${maxRounds})`);
}
// ---------------------------------------------------------------------------
@@ -184,7 +160,7 @@ async function continueThread(
async function loadWorkflowDefinition(
nerveRoot: string,
workflowName: string,
): Promise<WorkflowDefinition> {
): Promise<WorkflowDefinition<RoleMeta>> {
const candidates = [
resolve(join(nerveRoot, "workflows", workflowName, "index.ts")),
resolve(join(nerveRoot, "workflows", workflowName, "index.js")),
@@ -204,15 +180,16 @@ async function loadWorkflowDefinition(
if (
def === null ||
typeof def !== "object" ||
typeof (def as WorkflowDefinition).moderate !== "function" ||
typeof (def as WorkflowDefinition).roles !== "object"
typeof (def as WorkflowDefinition<RoleMeta>).moderator !== "function" ||
typeof (def as WorkflowDefinition<RoleMeta>).roles !== "object" ||
typeof (def as WorkflowDefinition<RoleMeta>).name !== "string"
) {
throw new Error(
`Workflow "${workflowName}" must export a WorkflowDefinition with "roles" and "moderate".`,
`Workflow "${workflowName}" must export a WorkflowDefinition with "name", "roles", and "moderator".`,
);
}
return def as WorkflowDefinition;
return def as WorkflowDefinition<RoleMeta>;
}
// ---------------------------------------------------------------------------
@@ -221,8 +198,7 @@ async function loadWorkflowDefinition(
function handleMessage(
raw: unknown,
def: WorkflowDefinition,
workflowName: string,
def: WorkflowDefinition<RoleMeta>,
inFlight: Map<string, Promise<void>>,
shuttingDown: { value: boolean },
): void {
@@ -245,11 +221,11 @@ function handleMessage(
if (msg.type === "start-thread") {
if (shuttingDown.value) return;
const { runId, triggerPayload } = msg;
const { runId, prompt, maxRounds } = msg;
const previous = inFlight.get(runId) ?? Promise.resolve();
const next = previous
.then(() => runThread(def, workflowName, runId, triggerPayload))
.then(() => runThread(def, runId, maxRounds, [], prompt))
.catch((e: unknown) => {
const errMsg = e instanceof Error ? e.message : String(e);
sendWorkflowError(runId, errMsg);
@@ -264,11 +240,11 @@ function handleMessage(
if (msg.type === "resume-thread") {
if (shuttingDown.value) return;
const { runId, events, triggerPayload } = msg;
const { runId, messages, maxRounds } = msg;
const previous = inFlight.get(runId) ?? Promise.resolve();
const next = previous
.then(() => runThread(def, workflowName, runId, triggerPayload, events as CommandEvent[]))
.then(() => runThread(def, runId, maxRounds, messages as WorkflowMessage[], null))
.catch((e: unknown) => {
const errMsg = e instanceof Error ? e.message : String(e);
sendWorkflowError(runId, errMsg);
@@ -287,7 +263,7 @@ function handleMessage(
// ---------------------------------------------------------------------------
async function bootstrap(nerveRoot: string, workflowName: string): Promise<void> {
let def: WorkflowDefinition;
let def: WorkflowDefinition<RoleMeta>;
try {
def = await loadWorkflowDefinition(nerveRoot, workflowName);
} catch (e: unknown) {
@@ -302,7 +278,7 @@ async function bootstrap(nerveRoot: string, workflowName: string): Promise<void>
sendReady();
process.on("message", (raw: unknown) => {
handleMessage(raw, def, workflowName, inFlight, shuttingDown);
handleMessage(raw, def, inFlight, shuttingDown);
});
}