feat(evidence): add evidence infrastructure - types, append, query, retention

Phase 3 Task 3.1:
- Create src/evidence-log.ts with EvidenceEventType, EvidencePhase,
  EvidenceOutcome, MemoryEvidenceRef, EvidenceRelation, EvidenceEventV1,
  EvidenceEventInput types
- Add appendEvidenceEvent/appendEvidenceEvents with safe write, privacy
  hashing (SHA-256 truncated), textPreview redaction, bounded retention
- Add queryEvidenceEvents, summarizeMemoryEvidence, traceMemoryLifecycle
- Add workspaceEvidenceLogPath to src/paths.ts
- Add 8 evidence-log tests: round-trip, privacy, query, resilience, retention
- Relations limited to wiring roles only (no kind/derived_from/validates)
- 253 tests pass
This commit is contained in:
Ralph Chang
2026-04-30 17:33:40 +08:00
parent ed4590ca18
commit 6a81fc384c
3 changed files with 764 additions and 0 deletions
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@@ -0,0 +1,515 @@
import { createHash } from "node:crypto";
import { existsSync } from "node:fs";
import { appendFile, mkdir, readFile, realpath, rename, rm, stat, writeFile } from "node:fs/promises";
import { dirname } from "node:path";
import { workspaceEvidenceLogPath, workspaceKey } from "./paths.ts";
import { redactCredentials } from "./redaction.ts";
export type EvidenceEventType =
| "extraction_candidate_accepted"
| "extraction_candidate_rejected"
| "explicit_memory_detected"
| "explicit_memory_ignored"
| "pending_memory_appended"
| "pending_memory_cleared"
| "promotion_promoted"
| "promotion_absorbed_exact"
| "promotion_absorbed_identity"
| "promotion_superseded"
| "promotion_rejected_capacity"
| "promotion_retry_scheduled"
| "promotion_retry_exhausted"
| "memory_reinforced"
| "render_selected"
| "render_omitted"
| "storage_corrupt_json_quarantined"
| "storage_stale_lock_recovered"
| "storage_lock_timeout"
| "hook_failed";
export type EvidencePhase =
| "extraction"
| "explicit"
| "pending_journal"
| "promotion"
| "reinforcement"
| "render"
| "storage"
| "hook";
export type EvidenceOutcome =
| "accepted"
| "rejected"
| "promoted"
| "absorbed"
| "superseded"
| "rendered"
| "omitted"
| "retried"
| "exhausted"
| "reinforced"
| "quarantined"
| "failed"
| "recovered";
export type MemoryEvidenceRef = {
memoryId?: string;
memoryKeyHash?: string;
identityKeyHash?: string;
type?: "feedback" | "project" | "decision" | "reference";
source?: "explicit" | "compaction" | "manual";
status?: "active" | "superseded";
};
export type EvidenceRelation = {
role:
| "candidate"
| "pending"
| "promoted"
| "retained"
| "absorbed"
| "superseded"
| "superseded_by"
| "reinforced"
| "reinforced_by"
| "rendered"
| "omitted";
memory?: MemoryEvidenceRef;
};
export type EvidenceDetailValue = string | number | boolean | null | string[] | number[];
export type EvidenceEventV1 = {
version: 1;
eventId: string;
createdAt: string;
workspaceKey: string;
workspaceRootHash: string;
sessionHash?: string;
messageHash?: string;
type: EvidenceEventType;
phase: EvidencePhase;
outcome: EvidenceOutcome;
memory?: MemoryEvidenceRef;
relations?: EvidenceRelation[];
reasonCodes: string[];
details?: Record<string, EvidenceDetailValue>;
textPreview?: string;
};
export type EvidenceEventInput = Omit<
EvidenceEventV1,
"version" | "eventId" | "createdAt" | "workspaceKey" | "workspaceRootHash"
>;
export type EvidenceQuery = {
since?: string;
until?: string;
types?: EvidenceEventType[];
phases?: EvidencePhase[];
outcomes?: EvidenceOutcome[];
memoryId?: string;
memoryKeyHash?: string;
identityKeyHash?: string;
sessionHash?: string;
limit?: number;
newestFirst?: boolean;
};
export type MemoryEvidenceSummary = {
memoryId?: string;
memoryKeyHash?: string;
latestOutcome?: EvidenceOutcome;
latestRenderStatus?: "rendered" | "omitted";
reasonCodes: string[];
eventIds: string[];
lastEventAt?: string;
};
export type MemoryLifecycleTrace = {
memoryId?: string;
memoryKeyHash?: string;
identityKeyHash?: string;
events: EvidenceEventV1[];
createdBy?: EvidenceEventV1;
acceptedBy?: EvidenceEventV1;
promotedBy?: EvidenceEventV1;
absorbedBy?: EvidenceEventV1;
supersededBy?: EvidenceEventV1;
reinforcedBy: EvidenceEventV1[];
latestRender?: EvidenceEventV1;
currentStatus:
| "accepted"
| "pending"
| "promoted"
| "absorbed"
| "superseded"
| "rendered"
| "omitted"
| "rejected"
| "unknown";
};
export const EVIDENCE_LOG_LIMITS = {
maxAgeDays: 90,
maxEventsPerWorkspace: 5000,
maxBytesPerWorkspace: 2 * 1024 * 1024,
pruneEveryAppendCount: 100,
} as const;
const appendCounts = new Map<string, number>();
const HASH_PATTERN = /^[a-f0-9]{16}$/i;
const DAY_MS = 24 * 60 * 60 * 1000;
const MAX_DETAIL_STRING_CHARS = 240;
const MAX_DETAIL_ARRAY_ITEMS = 25;
function evidenceHash(value: string): string {
return createHash("sha256").update(value).digest("hex").slice(0, 16);
}
function normalizeHashValue(value: string | undefined): string | undefined {
if (!value) return undefined;
return HASH_PATTERN.test(value) ? value.toLowerCase() : evidenceHash(value);
}
async function resolvedRoot(root: string): Promise<string> {
return realpath(root).catch(() => root);
}
function evidenceTextPreview(text: string, maxChars = 120): string {
return redactCredentials(text).replace(/\s+/g, " ").trim().slice(0, maxChars);
}
function sanitizeReasonCode(reason: string): string {
return reason.replace(/[^a-zA-Z0-9_.:-]/g, "_").slice(0, 120);
}
function sanitizeMemoryRef(memory: MemoryEvidenceRef | undefined): MemoryEvidenceRef | undefined {
if (!memory) return undefined;
const sanitized: MemoryEvidenceRef = {};
if (typeof memory.memoryId === "string" && memory.memoryId) sanitized.memoryId = memory.memoryId.slice(0, 160);
if (memory.memoryKeyHash) sanitized.memoryKeyHash = normalizeHashValue(memory.memoryKeyHash);
if (memory.identityKeyHash) sanitized.identityKeyHash = normalizeHashValue(memory.identityKeyHash);
if (memory.type) sanitized.type = memory.type;
if (memory.source) sanitized.source = memory.source;
if (memory.status) sanitized.status = memory.status;
return Object.keys(sanitized).length > 0 ? sanitized : undefined;
}
function sanitizeRelations(relations: EvidenceRelation[] | undefined): EvidenceRelation[] | undefined {
if (!relations) return undefined;
const sanitized = relations
.map(relation => ({
role: relation.role,
memory: sanitizeMemoryRef(relation.memory),
}))
.slice(0, 25);
return sanitized.length > 0 ? sanitized : undefined;
}
function sanitizeDetailString(value: string): string {
return evidenceTextPreview(value, MAX_DETAIL_STRING_CHARS);
}
function sanitizeDetails(details: EvidenceEventInput["details"]): EvidenceEventV1["details"] {
if (!details) return undefined;
const sanitized: Record<string, EvidenceDetailValue> = {};
for (const [rawKey, rawValue] of Object.entries(details).slice(0, 50)) {
const key = rawKey.replace(/[^a-zA-Z0-9_.:-]/g, "_").slice(0, 80);
if (!key) continue;
if (typeof rawValue === "string") {
sanitized[key] = sanitizeDetailString(rawValue);
} else if (typeof rawValue === "number") {
if (Number.isFinite(rawValue)) sanitized[key] = rawValue;
} else if (typeof rawValue === "boolean" || rawValue === null) {
sanitized[key] = rawValue;
} else if (Array.isArray(rawValue)) {
if (rawValue.every(item => typeof item === "string")) {
sanitized[key] = rawValue.slice(0, MAX_DETAIL_ARRAY_ITEMS).map(item => sanitizeDetailString(item));
} else if (rawValue.every(item => typeof item === "number" && Number.isFinite(item))) {
sanitized[key] = rawValue.slice(0, MAX_DETAIL_ARRAY_ITEMS) as number[];
}
}
}
return Object.keys(sanitized).length > 0 ? sanitized : undefined;
}
function buildEvidenceEvent(
input: EvidenceEventInput,
workspaceKeyValue: string,
workspaceRootHash: string,
): EvidenceEventV1 {
const textPreviewMax = input.type === "extraction_candidate_rejected" ? 80 : 120;
const event: EvidenceEventV1 = {
version: 1,
eventId: `evt_${Date.now()}_${Math.random().toString(36).slice(2, 10).padEnd(8, "0")}`,
createdAt: new Date().toISOString(),
workspaceKey: workspaceKeyValue,
workspaceRootHash,
type: input.type,
phase: input.phase,
outcome: input.outcome,
reasonCodes: input.reasonCodes.map(sanitizeReasonCode).filter(Boolean).slice(0, 25),
};
const memory = sanitizeMemoryRef(input.memory);
const relations = sanitizeRelations(input.relations);
const details = sanitizeDetails(input.details);
if (input.sessionHash) event.sessionHash = normalizeHashValue(input.sessionHash);
if (input.messageHash) event.messageHash = normalizeHashValue(input.messageHash);
if (memory) event.memory = memory;
if (relations) event.relations = relations;
if (details) event.details = details;
if (input.textPreview) event.textPreview = evidenceTextPreview(input.textPreview, textPreviewMax);
return event;
}
async function safeAppendEvidenceLine(path: string, line: string): Promise<void> {
try {
await mkdir(dirname(path), { recursive: true });
await appendFile(path, `${line}\n`, "utf8");
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
console.error(`[memory] failed to write evidence event: ${message}`);
}
}
async function maybePruneEvidenceLog(path: string): Promise<void> {
const nextCount = (appendCounts.get(path) ?? 0) + 1;
appendCounts.set(path, nextCount);
if (nextCount % EVIDENCE_LOG_LIMITS.pruneEveryAppendCount !== 0) return;
try {
await pruneEvidenceLogPath(path);
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
console.error(`[memory] failed to prune evidence log: ${message}`);
}
}
export async function appendEvidenceEvent(root: string, event: EvidenceEventInput): Promise<EvidenceEventV1> {
const records = await appendEvidenceEvents(root, [event]);
return records[0];
}
export async function appendEvidenceEvents(root: string, events: EvidenceEventInput[]): Promise<EvidenceEventV1[]> {
const path = await workspaceEvidenceLogPath(root);
const rootPath = await resolvedRoot(root);
const workspaceRootHash = evidenceHash(rootPath);
const workspaceKeyValue = await workspaceKey(root);
const records = events.map(event => buildEvidenceEvent(event, workspaceKeyValue, workspaceRootHash));
for (const record of records) {
await safeAppendEvidenceLine(path, JSON.stringify(record));
await maybePruneEvidenceLog(path);
}
return records;
}
type ParsedEvidenceLine = {
event: EvidenceEventV1;
index: number;
};
function parseEvidenceLine(line: string): EvidenceEventV1 | null {
try {
const parsed = JSON.parse(line) as Partial<EvidenceEventV1>;
if (parsed.version !== 1 || !parsed.eventId || !parsed.createdAt || !parsed.type) return null;
return parsed as EvidenceEventV1;
} catch {
return null;
}
}
async function readEvidenceLines(path: string, warnInvalid: boolean): Promise<{ valid: ParsedEvidenceLine[]; invalid: string[] }> {
if (!existsSync(path)) return { valid: [], invalid: [] };
const raw = await readFile(path, "utf8");
const valid: ParsedEvidenceLine[] = [];
const invalid: string[] = [];
raw.split(/\n/).forEach((line, index) => {
if (!line.trim()) return;
const event = parseEvidenceLine(line);
if (event) {
valid.push({ event, index });
} else {
invalid.push(line);
if (warnInvalid) console.warn(`[memory] skipped invalid evidence log line ${index + 1}`);
}
});
return { valid, invalid };
}
function eventTimeMs(event: EvidenceEventV1): number {
const ms = new Date(event.createdAt).getTime();
return Number.isFinite(ms) ? ms : 0;
}
async function atomicWriteText(path: string, text: string): Promise<void> {
await mkdir(dirname(path), { recursive: true });
const tmp = `${path}.${process.pid}.${Date.now()}.${Math.random().toString(36).slice(2, 10)}.tmp`;
try {
await writeFile(tmp, text, { encoding: "utf8", mode: 0o600 });
await rename(tmp, path);
} catch (error) {
await rm(tmp, { force: true }).catch(() => undefined);
throw error;
}
}
function serializeEvents(events: EvidenceEventV1[]): string {
return events.map(event => JSON.stringify(event)).join("\n") + (events.length > 0 ? "\n" : "");
}
function trimEventsToByteLimit(events: EvidenceEventV1[]): EvidenceEventV1[] {
let kept = [...events];
while (kept.length > 0 && Buffer.byteLength(serializeEvents(kept), "utf8") > EVIDENCE_LOG_LIMITS.maxBytesPerWorkspace) {
kept = kept.slice(1);
}
return kept;
}
async function pruneEvidenceLogPath(path: string): Promise<void> {
if (!existsSync(path)) return;
const stats = await stat(path);
if (stats.isDirectory()) return;
const { valid, invalid } = await readEvidenceLines(path, false);
if (invalid.length > 0) {
const corruptPath = `${path}.corrupt-lines-${Date.now()}.jsonl`;
await writeFile(corruptPath, invalid.join("\n") + "\n", { encoding: "utf8", mode: 0o600 }).catch(error => {
const message = error instanceof Error ? error.message : String(error);
console.error(`[memory] failed to quarantine invalid evidence lines: ${message}`);
});
}
const cutoff = Date.now() - EVIDENCE_LOG_LIMITS.maxAgeDays * DAY_MS;
let events = valid
.filter(item => eventTimeMs(item.event) >= cutoff)
.sort((a, b) => eventTimeMs(a.event) - eventTimeMs(b.event) || a.index - b.index)
.map(item => item.event);
if (events.length > EVIDENCE_LOG_LIMITS.maxEventsPerWorkspace) {
events = events.slice(events.length - EVIDENCE_LOG_LIMITS.maxEventsPerWorkspace);
}
events = trimEventsToByteLimit(events);
await atomicWriteText(path, serializeEvents(events));
}
function memoryRefMatches(memory: MemoryEvidenceRef | undefined, query: Pick<EvidenceQuery, "memoryId" | "memoryKeyHash" | "identityKeyHash">): boolean {
if (!memory) return false;
const memoryKeyHash = normalizeHashValue(query.memoryKeyHash);
const identityKeyHash = normalizeHashValue(query.identityKeyHash);
if (query.memoryId && memory.memoryId === query.memoryId) return true;
if (memoryKeyHash && memory.memoryKeyHash === memoryKeyHash) return true;
if (identityKeyHash && memory.identityKeyHash === identityKeyHash) return true;
return false;
}
function eventMatchesMemory(event: EvidenceEventV1, query: Pick<EvidenceQuery, "memoryId" | "memoryKeyHash" | "identityKeyHash">): boolean {
if (!query.memoryId && !query.memoryKeyHash && !query.identityKeyHash) return true;
if (memoryRefMatches(event.memory, query)) return true;
return (event.relations ?? []).some(relation => memoryRefMatches(relation.memory, query));
}
export async function queryEvidenceEvents(
root: string,
query: EvidenceQuery = {},
): Promise<EvidenceEventV1[]> {
const path = await workspaceEvidenceLogPath(root);
const { valid } = await readEvidenceLines(path, true);
const sinceMs = query.since ? new Date(query.since).getTime() : undefined;
const untilMs = query.until ? new Date(query.until).getTime() : undefined;
const sessionHash = normalizeHashValue(query.sessionHash);
let events = valid.map(item => item.event).filter(event => {
const createdAtMs = eventTimeMs(event);
if (Number.isFinite(sinceMs) && createdAtMs < sinceMs) return false;
if (Number.isFinite(untilMs) && createdAtMs > untilMs) return false;
if (query.types && !query.types.includes(event.type)) return false;
if (query.phases && !query.phases.includes(event.phase)) return false;
if (query.outcomes && !query.outcomes.includes(event.outcome)) return false;
if (sessionHash && event.sessionHash !== sessionHash) return false;
if (!eventMatchesMemory(event, query)) return false;
return true;
});
if (query.newestFirst) events = events.slice().reverse();
if (typeof query.limit === "number" && query.limit >= 0) events = events.slice(0, query.limit);
return events;
}
export async function summarizeMemoryEvidence(
root: string,
input: { memoryId?: string; memoryKeyHash?: string },
): Promise<MemoryEvidenceSummary> {
const events = await queryEvidenceEvents(root, input);
const latest = events.at(-1);
const latestRender = events.filter(event => event.phase === "render").at(-1);
const reasonCodes = new Set<string>();
for (const event of events) {
for (const reason of event.reasonCodes) reasonCodes.add(reason);
}
return {
memoryId: input.memoryId,
memoryKeyHash: normalizeHashValue(input.memoryKeyHash),
latestOutcome: latest?.outcome,
latestRenderStatus: latestRender?.outcome === "rendered" || latestRender?.outcome === "omitted"
? latestRender.outcome
: undefined,
reasonCodes: [...reasonCodes],
eventIds: events.map(event => event.eventId),
lastEventAt: latest?.createdAt,
};
}
function currentStatusFromEvent(event: EvidenceEventV1 | undefined): MemoryLifecycleTrace["currentStatus"] {
if (!event) return "unknown";
if (event.outcome === "accepted") return "accepted";
if (event.outcome === "promoted") return "promoted";
if (event.outcome === "absorbed") return "absorbed";
if (event.outcome === "superseded") return "superseded";
if (event.outcome === "rendered") return "rendered";
if (event.outcome === "omitted") return "omitted";
if (event.outcome === "rejected") return "rejected";
if (event.type === "pending_memory_appended") return "pending";
return "unknown";
}
export async function traceMemoryLifecycle(
root: string,
input: { memoryId?: string; memoryKeyHash?: string; identityKeyHash?: string },
): Promise<MemoryLifecycleTrace> {
const events = await queryEvidenceEvents(root, input);
const createdBy = events.find(event => event.type === "explicit_memory_detected" || event.type === "pending_memory_appended");
const acceptedBy = events.find(event => event.type === "extraction_candidate_accepted" || event.type === "explicit_memory_detected");
const promotedBy = events.find(event => event.type === "promotion_promoted");
const absorbedBy = events.find(event => event.outcome === "absorbed");
const supersededBy = events.find(event => event.outcome === "superseded");
const reinforcedBy = events.filter(event => event.type === "memory_reinforced" || event.outcome === "reinforced");
const latestRender = events.filter(event => event.phase === "render").at(-1);
const latest = events.at(-1);
return {
memoryId: input.memoryId,
memoryKeyHash: normalizeHashValue(input.memoryKeyHash),
identityKeyHash: normalizeHashValue(input.identityKeyHash),
events,
createdBy,
acceptedBy,
promotedBy,
absorbedBy,
supersededBy,
reinforcedBy,
latestRender,
currentStatus: currentStatusFromEvent(latest),
};
}
+4
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@@ -24,6 +24,10 @@ export async function workspacePendingJournalPath(root: string): Promise<string>
return join(await memoryRoot(root), "workspace-pending-journal.json");
}
export async function workspaceEvidenceLogPath(root: string): Promise<string> {
return join(await memoryRoot(root), "evidence", "events.jsonl");
}
export async function sessionStatePath(root: string, sessionID: string): Promise<string> {
const safeSessionID = createHash("sha256").update(sessionID).digest("hex").slice(0, 32);
return join(await memoryRoot(root), "sessions", `${safeSessionID}.json`);
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@@ -0,0 +1,245 @@
import test from "node:test";
import assert from "node:assert/strict";
import { createHash } from "node:crypto";
import { existsSync } from "node:fs";
import { mkdir, mkdtemp, readFile, readdir, rm, writeFile } from "node:fs/promises";
import { dirname, join } from "node:path";
import { realpath } from "node:fs/promises";
import { tmpdir } from "node:os";
import {
EVIDENCE_LOG_LIMITS,
appendEvidenceEvent,
appendEvidenceEvents,
queryEvidenceEvents,
summarizeMemoryEvidence,
traceMemoryLifecycle,
type EvidenceEventInput,
type EvidenceEventV1,
} from "../src/evidence-log.ts";
import { workspaceEvidenceLogPath, workspaceKey } from "../src/paths.ts";
async function tempRoot(): Promise<string> {
return mkdtemp(join(tmpdir(), "opencode-evidence-log-"));
}
function eventInput(overrides: Partial<EvidenceEventInput> = {}): EvidenceEventInput {
return {
type: "promotion_promoted",
phase: "promotion",
outcome: "promoted",
reasonCodes: ["new_workspace_entry"],
memory: { memoryId: "mem-a", type: "decision", source: "explicit", status: "active" },
textPreview: "Use npm test before release",
...overrides,
};
}
async function readLog(root: string): Promise<string> {
return readFile(await workspaceEvidenceLogPath(root), "utf8");
}
function privacyHash(value: string): string {
return createHash("sha256").update(value).digest("hex").slice(0, 16);
}
async function workspaceRootHash(root: string): Promise<string> {
const resolved = await realpath(root).catch(() => root);
return privacyHash(resolved);
}
function manualEvent(rootKey: string, rootHash: string, id: string, createdAt: string): EvidenceEventV1 {
return {
version: 1,
eventId: id,
createdAt,
workspaceKey: rootKey,
workspaceRootHash: rootHash,
type: "render_selected",
phase: "render",
outcome: "rendered",
memory: { memoryId: id, type: "decision" },
reasonCodes: ["within_caps", "within_char_budget"],
};
}
test("appendEvidenceEvent writes versioned JSONL with workspace hashes", async () => {
const root = await tempRoot();
try {
const event = await appendEvidenceEvent(root, eventInput({ sessionHash: "session-1", messageHash: "message-1" }));
const raw = await readLog(root);
const stored = JSON.parse(raw.trim()) as EvidenceEventV1;
assert.equal(stored.version, 1);
assert.match(stored.eventId, /^evt_\d+_[a-z0-9]{8}$/);
assert.equal(stored.eventId, event.eventId);
assert.equal(stored.workspaceKey, await workspaceKey(root));
assert.equal(stored.workspaceRootHash, await workspaceRootHash(root));
assert.equal(stored.sessionHash, privacyHash("session-1"));
assert.equal(stored.messageHash, privacyHash("message-1"));
assert.equal(stored.type, "promotion_promoted");
assert.equal(stored.outcome, "promoted");
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("appendEvidenceEvent redacts text previews before writing", async () => {
const root = await tempRoot();
try {
await appendEvidenceEvent(root, eventInput({
type: "extraction_candidate_rejected",
phase: "extraction",
outcome: "rejected",
reasonCodes: ["raw_error"],
textPreview: "password: sushi\nAdmin PIN 是 456123\nBearer abc.def.ghi\nThis candidate is rejected and should be short",
details: {
note: "password: sushi Admin PIN 是 456123 Bearer abc.def.ghi",
},
}));
const raw = await readLog(root);
const stored = JSON.parse(raw.trim()) as EvidenceEventV1;
assert.ok(!raw.includes("sushi"));
assert.ok(!raw.includes("456123"));
assert.ok(!raw.includes("abc.def.ghi"));
assert.ok(stored.textPreview?.includes("[REDACTED]"));
assert.ok((stored.textPreview?.length ?? 0) <= 80);
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("queryEvidenceEvents filters by type outcome and memory id", async () => {
const root = await tempRoot();
try {
await appendEvidenceEvents(root, [
eventInput({ type: "promotion_promoted", outcome: "promoted", memory: { memoryId: "mem-a" } }),
eventInput({ type: "render_omitted", phase: "render", outcome: "omitted", reasonCodes: ["type_cap"], memory: { memoryId: "mem-a" } }),
eventInput({ type: "render_omitted", phase: "render", outcome: "omitted", reasonCodes: ["global_cap"], memory: { memoryId: "mem-b" } }),
]);
const result = await queryEvidenceEvents(root, {
types: ["render_omitted"],
outcomes: ["omitted"],
memoryId: "mem-a",
});
assert.equal(result.length, 1);
assert.equal(result[0].type, "render_omitted");
assert.equal(result[0].memory?.memoryId, "mem-a");
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("queryEvidenceEvents supports newestFirst and limit", async () => {
const root = await tempRoot();
try {
const events = await appendEvidenceEvents(root, [
eventInput({ memory: { memoryId: "oldest" } }),
eventInput({ memory: { memoryId: "middle" } }),
eventInput({ memory: { memoryId: "newest" } }),
]);
const result = await queryEvidenceEvents(root, { newestFirst: true, limit: 2 });
assert.deepEqual(result.map(event => event.eventId), [events[2].eventId, events[1].eventId]);
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("appendEvidenceEvent returns a record when appendFile fails", async () => {
const root = await tempRoot();
try {
const path = await workspaceEvidenceLogPath(root);
await mkdir(path, { recursive: true });
const event = await appendEvidenceEvent(root, eventInput());
assert.equal(event.version, 1);
assert.match(event.eventId, /^evt_\d+_[a-z0-9]{8}$/);
assert.equal(event.workspaceKey, await workspaceKey(root));
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("evidence log pruning drops old events, caps count, and quarantines invalid lines", async () => {
const root = await tempRoot();
try {
const path = await workspaceEvidenceLogPath(root);
await mkdir(dirname(path), { recursive: true });
const rootKey = await workspaceKey(root);
const rootHash = await workspaceRootHash(root);
const old = manualEvent(rootKey, rootHash, "old-event", new Date(Date.now() - 91 * 24 * 60 * 60 * 1000).toISOString());
const recentEvents = Array.from({ length: EVIDENCE_LOG_LIMITS.maxEventsPerWorkspace + 1 }, (_, i) =>
manualEvent(rootKey, rootHash, `recent-${i}`, new Date(Date.now() - (EVIDENCE_LOG_LIMITS.maxEventsPerWorkspace - i) * 1000).toISOString())
);
await writeFile(path, [
JSON.stringify(old),
"{not valid json",
...recentEvents.map(event => JSON.stringify(event)),
].join("\n") + "\n", "utf8");
const appended = await appendEvidenceEvents(root, Array.from({ length: EVIDENCE_LOG_LIMITS.pruneEveryAppendCount }, (_, i) =>
eventInput({ memory: { memoryId: `appended-${i}` }, reasonCodes: ["new_workspace_entry"] })
));
const events = await queryEvidenceEvents(root);
const memoryIds = new Set(events.map(event => event.memory?.memoryId));
const files = await readdir(dirname(path));
assert.ok(events.length <= EVIDENCE_LOG_LIMITS.maxEventsPerWorkspace);
assert.equal(memoryIds.has("old-event"), false);
assert.equal(memoryIds.has("recent-0"), false, "oldest events over the count cap should be pruned");
assert.equal(memoryIds.has(appended.at(-1)?.memory?.memoryId), true);
assert.ok(files.some(file => file.startsWith("events.jsonl.corrupt-lines-")));
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("memory evidence summary and lifecycle trace derive latest status", async () => {
const root = await tempRoot();
try {
await appendEvidenceEvents(root, [
eventInput({ type: "extraction_candidate_accepted", phase: "extraction", outcome: "accepted", reasonCodes: ["quality_gate_passed"], memory: { memoryId: "mem-life", memoryKeyHash: "raw-key" } }),
eventInput({ type: "promotion_promoted", phase: "promotion", outcome: "promoted", reasonCodes: ["new_workspace_entry"], memory: { memoryId: "mem-life", memoryKeyHash: "raw-key" } }),
eventInput({ type: "memory_reinforced", phase: "reinforcement", outcome: "reinforced", reasonCodes: ["duplicate_exact"], relations: [{ role: "reinforced", memory: { memoryId: "mem-life", memoryKeyHash: "raw-key" } }] }),
eventInput({ type: "render_selected", phase: "render", outcome: "rendered", reasonCodes: ["within_caps", "within_char_budget"], memory: { memoryId: "mem-life", memoryKeyHash: "raw-key" } }),
]);
const summary = await summarizeMemoryEvidence(root, { memoryId: "mem-life" });
const trace = await traceMemoryLifecycle(root, { memoryId: "mem-life" });
assert.equal(summary.latestOutcome, "rendered");
assert.equal(summary.latestRenderStatus, "rendered");
assert.ok(summary.reasonCodes.includes("duplicate_exact"));
assert.equal(trace.currentStatus, "rendered");
assert.ok(trace.acceptedBy);
assert.ok(trace.promotedBy);
assert.equal(trace.reinforcedBy.length, 1);
assert.equal(trace.latestRender?.type, "render_selected");
} finally {
await rm(root, { recursive: true, force: true });
}
});
test("evidence relation roles reject sublimation placeholders at compile-time surface", () => {
const allowedRoles: Array<NonNullable<EvidenceEventInput["relations"]>[number]["role"]> = [
"candidate",
"pending",
"promoted",
"retained",
"absorbed",
"superseded",
"superseded_by",
"reinforced",
"reinforced_by",
"rendered",
"omitted",
];
assert.equal(allowedRoles.includes("candidate"), true);
});