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Author SHA1 Message Date
jarvis d6434fc941 scratchpads: 2026-08-17 fleet identity/comms/mosaic-tree continuation record
ci/woodpecker/pr/ci Pipeline was successful
Anchors the sb-it-1-dt session's outputs in this repo so continuation
does not depend on jarvis-brain (P0, not retained): ~/.mosaic tree model
as-built (incl. fleet/agents store + *.env.generated overlays), decisions
register (MOSAIC-D-001/-02 pending ruling, tooling-migration direction,
watcher-provisioning-at-instantiation), #1295 pointers, sequenced open
work queue, and rules for tonight's homelab agents (lane next, #1280
attribution, evidence-file protection).
2026-08-17 17:08:27 -05:00
16 changed files with 244 additions and 2508 deletions
@@ -1,110 +0,0 @@
'use client';
import type { ReactElement } from 'react';
import { formatAge, type FreshnessLabel } from '@/lib/freshness/model';
/**
* Rendering rules for non-current freshness states (RI-5-001).
*
* - `unavailable` renders an explicit failure panel — never an empty
* healthy collection.
* - `stale` may render last-known data, but only under a visible label
* carrying source identity, snapshot version, and age.
* - `partial` renders the verified parts plus an explicit list of what is
* missing.
*/
interface RetryableNoticeProps {
readonly onRetry?: () => void;
readonly retryLabel?: string;
}
function RetryButton({ onRetry, retryLabel }: RetryableNoticeProps): ReactElement | null {
if (!onRetry) return null;
return (
<button
type="button"
onClick={onRetry}
className="mt-2 rounded-lg border border-surface-border px-3 py-1.5 text-xs transition-colors hover:border-gray-500"
>
{retryLabel ?? 'Retry'}
</button>
);
}
export interface UnavailableDataNoticeProps extends RetryableNoticeProps {
/** What is unavailable, e.g. "Tasks". */
readonly title: string;
/** Optional underlying failure detail (network message, invalidation reason). */
readonly detail?: string | null;
}
/** Explicit `unavailable` state. Never renders as an empty healthy collection. */
export function UnavailableDataNotice({
title,
detail,
onRetry,
retryLabel,
}: UnavailableDataNoticeProps): ReactElement {
return (
<div role="alert" className="rounded-lg border border-error/40 px-4 py-3 text-sm">
<p className="font-medium text-text-primary">{title} are unavailable</p>
<p className="mt-1 text-text-muted">
This is not an empty result the data could not be verified from the gateway.
{detail ? ` ${detail}` : ''}
</p>
<RetryButton onRetry={onRetry} retryLabel={retryLabel} />
</div>
);
}
export interface StaleDataNoticeProps extends RetryableNoticeProps {
/** Provenance of the last-known snapshot being displayed. */
readonly label: FreshnessLabel;
}
/**
* Situational-awareness banner for `stale` data: last-known data may render,
* but visibly labeled with source identity, snapshot version, and age.
*/
export function StaleDataNotice({
label,
onRetry,
retryLabel,
}: StaleDataNoticeProps): ReactElement {
return (
<div role="status" className="rounded-lg border border-warning/40 px-4 py-3 text-sm">
<p className="font-medium text-warning">Showing last-known data it may be out of date</p>
<p className="mt-1 text-xs text-text-muted">
Source {label.source} · snapshot v{label.version} · fetched{' '}
{formatAge(label.fetchedAt, Date.now())}. Verdicts derived from this data are unknown and
changes are disabled until it is revalidated.
</p>
<RetryButton onRetry={onRetry} retryLabel={retryLabel ?? 'Revalidate'} />
</div>
);
}
export interface PartialDataNoticeProps extends RetryableNoticeProps {
/** Display names of the sections whose collections are unavailable. */
readonly missing: readonly string[];
}
/** `partial` surface banner: verified parts render, missing parts are explicit. */
export function PartialDataNotice({
missing,
onRetry,
retryLabel,
}: PartialDataNoticeProps): ReactElement {
return (
<div role="status" className="rounded-lg border border-warning/40 px-4 py-3 text-sm">
<p className="font-medium text-warning">Some data could not be loaded</p>
<p className="mt-1 text-xs text-text-muted">
{missing.join(', ')} {missing.length === 1 ? 'is' : 'are'} unavailable sections below show
an explicit unavailable state instead of an empty list. Derived verdicts remain unknown
until every collection is revalidated.
</p>
<RetryButton onRetry={onRetry} retryLabel={retryLabel ?? 'Revalidate'} />
</div>
);
}
-324
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@@ -1,324 +0,0 @@
import { describe, expect, it } from 'vitest';
import type { Task } from '@/lib/types';
import {
acceptSnapshot,
assertMutable,
canMutate,
combineFreshness,
computeDigest,
computeFreshness,
DEFAULT_FRESHNESS_POLICY,
formatAge,
type FreshSnapshot,
invalidationReasonLabels,
StaleMutationError,
UNKNOWN_VERDICT,
verdictValue,
} from './model';
import { validateProjectCollection, validateTaskCollection } from './validators';
const NOW = 1_800_000_000_000;
const policy = { ...DEFAULT_FRESHNESS_POLICY, staleAfterMs: 60_000 };
const taskPayload: Task[] = [
{
id: 'task-1',
title: 'T1',
description: null,
status: 'not-started',
priority: 'high',
projectId: 'project-1',
missionId: null,
assignee: null,
tags: null,
dueDate: null,
metadata: null,
createdAt: '2026-08-01T00:00:00.000Z',
updatedAt: '2026-08-01T00:00:00.000Z',
},
];
function acceptedTaskSnapshot(
overrides: Partial<FreshSnapshot<typeof taskPayload>> = {},
): FreshSnapshot<typeof taskPayload> {
const result = acceptSnapshot({
value: taskPayload,
validate: validateTaskCollection,
previous: null,
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
if (result.outcome !== 'accepted') {
throw new Error(`fixture setup failed: ${result.reason}`);
}
return { ...result.snapshot, ...overrides };
}
describe('computeFreshness', () => {
it('treats a missing snapshot as unavailable, never as an empty healthy collection', () => {
expect(computeFreshness({ snapshot: null, policy, now: NOW })).toBe('unavailable');
});
it('returns current for a fresh verified snapshot regardless of data emptiness', () => {
const empty = acceptSnapshot({
value: [],
validate: validateTaskCollection,
previous: null,
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
if (empty.outcome !== 'accepted') throw new Error('expected acceptance');
expect(computeFreshness({ snapshot: empty.snapshot, policy, now: NOW })).toBe('current');
});
it('degrades to stale once the snapshot ages past staleAfterMs', () => {
const snapshot = acceptedTaskSnapshot();
expect(computeFreshness({ snapshot, policy, now: NOW + 60_001 })).toBe('stale');
expect(computeFreshness({ snapshot, policy, now: NOW + 59_999 })).toBe('current');
});
it('degrades to stale when the latest revalidation failed', () => {
const snapshot = acceptedTaskSnapshot();
expect(computeFreshness({ snapshot, policy, now: NOW, degraded: true })).toBe('stale');
});
});
describe('mutation guard', () => {
it('permits mutations only on current data', () => {
expect(canMutate('current')).toBe(true);
for (const state of ['stale', 'partial', 'unknown', 'unavailable'] as const) {
expect(canMutate(state)).toBe(false);
}
});
it('refuses mutations on non-current data via assertMutable', () => {
expect(() => assertMutable('current')).not.toThrow();
for (const state of ['stale', 'partial', 'unknown', 'unavailable'] as const) {
let thrown: unknown;
try {
assertMutable(state);
} catch (caught) {
thrown = caught;
}
expect(thrown).toBeInstanceOf(StaleMutationError);
expect(thrown).toBeInstanceOf(Error);
if (thrown instanceof StaleMutationError) {
expect(thrown.name).toBe('StaleMutationError');
expect(thrown.freshness).toBe(state);
expect(thrown.message).toContain(state);
expect(thrown.message).toContain('revalidat');
}
}
});
});
describe('acceptSnapshot', () => {
it('accepts a valid payload with provenance', () => {
const result = acceptSnapshot({
value: taskPayload,
validate: validateTaskCollection,
previous: null,
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
expect(result.outcome).toBe('accepted');
if (result.outcome !== 'accepted') return;
expect(result.snapshot.source).toBe('gateway:/api/tasks');
expect(result.snapshot.version).toBe(1);
expect(result.snapshot.fetchedAt).toBe(NOW);
expect(result.snapshot.data).toEqual(taskPayload);
});
it('invalidates a schema-mismatched payload instead of rendering it', () => {
const result = acceptSnapshot({
value: { not: 'an array' },
validate: validateTaskCollection,
previous: acceptedTaskSnapshot(),
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
expect(result).toEqual({ outcome: 'invalidated', reason: 'schema-mismatch' });
expect(invalidationReasonLabels['schema-mismatch']).toContain('schema');
});
it('invalidates cross-workspace payloads', () => {
const userOne = acceptSnapshot({
value: [
{
id: 'p1',
name: 'P1',
description: null,
status: 'active',
userId: 'user-1',
metadata: null,
createdAt: '2026-08-01T00:00:00.000Z',
updatedAt: '2026-08-01T00:00:00.000Z',
},
],
validate: validateProjectCollection,
previous: null,
policy,
source: 'gateway:/api/projects',
now: NOW,
});
if (userOne.outcome !== 'accepted') throw new Error('expected acceptance');
const switched = acceptSnapshot({
value: [
{
id: 'p9',
name: 'P9',
description: null,
status: 'active',
userId: 'user-2',
metadata: null,
createdAt: '2026-08-01T00:00:00.000Z',
updatedAt: '2026-08-01T00:00:00.000Z',
},
],
validate: validateProjectCollection,
previous: userOne.snapshot,
policy,
source: 'gateway:/api/projects',
now: NOW,
});
expect(switched).toEqual({ outcome: 'invalidated', reason: 'cross-workspace' });
});
it('keeps the previous workspace for collections with no intrinsic identity', () => {
const userOne = acceptSnapshot({
value: [
{
id: 'p1',
name: 'P1',
description: null,
status: 'active',
userId: 'user-1',
metadata: null,
createdAt: '2026-08-01T00:00:00.000Z',
updatedAt: '2026-08-01T00:00:00.000Z',
},
],
validate: validateProjectCollection,
previous: null,
policy,
source: 'gateway:/api/projects',
now: NOW,
});
if (userOne.outcome !== 'accepted') throw new Error('expected acceptance');
// Empty list after the user deleted every project: no identity to check,
// so the verified scope is retained and the empty state stays healthy.
const emptied = acceptSnapshot({
value: [],
validate: validateProjectCollection,
previous: userOne.snapshot,
policy,
source: 'gateway:/api/projects',
now: NOW,
});
expect(emptied.outcome).toBe('accepted');
if (emptied.outcome === 'accepted') {
expect(emptied.snapshot.data).toEqual([]);
expect(emptied.snapshot.workspace).toBe('user-1');
}
});
it('invalidates version regressions', () => {
const previous = acceptedTaskSnapshot({ version: 7 });
const regressed = acceptSnapshot({
value: taskPayload,
validate: validateTaskCollection,
previous,
policy,
source: 'gateway:/api/tasks',
now: NOW,
incomingVersion: 3,
});
expect(regressed).toEqual({ outcome: 'invalidated', reason: 'version-regression' });
const newerSchema = acceptedTaskSnapshot({ schemaVersion: 4 });
const downgradedClient = acceptSnapshot({
value: taskPayload,
validate: validateTaskCollection,
previous: newerSchema,
policy: { ...policy, schemaVersion: 2 },
source: 'gateway:/api/tasks',
now: NOW,
});
expect(downgradedClient).toEqual({ outcome: 'invalidated', reason: 'version-regression' });
});
it('increments the version monotonically across accepted snapshots', () => {
const first = acceptedTaskSnapshot();
const second = acceptSnapshot({
value: taskPayload,
validate: validateTaskCollection,
previous: first,
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
expect(second.outcome).toBe('accepted');
if (second.outcome === 'accepted') {
expect(second.snapshot.version).toBe(first.version + 1);
}
});
});
describe('combineFreshness', () => {
it('gates the surface on the primary collection', () => {
expect(combineFreshness('unavailable', ['current'])).toBe('unavailable');
expect(combineFreshness('unknown', ['current'])).toBe('unknown');
expect(combineFreshness('current', [])).toBe('current');
});
it('degrades to partial when a secondary is unavailable', () => {
expect(combineFreshness('current', ['current', 'unavailable'])).toBe('partial');
});
it('degrades to unknown while a secondary is still loading', () => {
expect(combineFreshness('current', ['unknown'])).toBe('unknown');
});
it('degrades to stale when any collection is stale', () => {
expect(combineFreshness('current', ['stale'])).toBe('stale');
expect(combineFreshness('stale', ['current'])).toBe('stale');
});
it('propagates partial secondaries', () => {
expect(combineFreshness('current', ['partial'])).toBe('partial');
});
});
describe('computeDigest', () => {
it('is stable across key order and changes with data', () => {
const a = computeDigest({ x: 1, y: [1, 2] });
const b = computeDigest({ y: [1, 2], x: 1 });
expect(a).toBe(b);
expect(computeDigest({ x: 1, y: [1, 3] })).not.toBe(a);
});
});
describe('verdictValue', () => {
it('returns the value only for verified inputs', () => {
expect(verdictValue(true, '5')).toBe('5');
expect(verdictValue(false, '5')).toBe(UNKNOWN_VERDICT);
expect(verdictValue(false, '5')).not.toBe('5');
});
});
describe('formatAge', () => {
it('labels age in human terms', () => {
expect(formatAge(NOW, NOW)).toBe('just now');
expect(formatAge(NOW, NOW + 15_000)).toBe('under a minute ago');
expect(formatAge(NOW, NOW + 120_000)).toBe('2m ago');
expect(formatAge(NOW, NOW + 3 * 3_600_000)).toBe('3h ago');
expect(formatAge(NOW, NOW + 2 * 86_400_000)).toBe('2d ago');
});
});
-261
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@@ -1,261 +0,0 @@
/**
* Typed freshness model for gateway-fetched collections (RI-5-001).
*
* A failed or stale fetch must never be indistinguishable from an empty
* healthy collection. Every fetched surface carries an explicit freshness
* state, a verified snapshot identity (source, workspace, version, age), and
* a mutation guard that refuses state-changing operations unless the data is
* verified current.
*/
/** Freshness states for fetched data. Never inferred from emptiness. */
export type FreshnessState = 'current' | 'stale' | 'partial' | 'unknown' | 'unavailable';
/**
* Reasons a snapshot is invalidated. An invalidated snapshot is treated as
* unavailable and is never rendered as current.
*/
export type InvalidationReason =
| 'cache-corruption'
| 'cross-workspace'
| 'schema-mismatch'
| 'version-regression';
/** Human-readable labels for invalidation reasons (UI + error messages). */
export const invalidationReasonLabels: Record<InvalidationReason, string> = {
'cache-corruption': 'cached snapshot failed integrity checks',
'cross-workspace': 'data belongs to a different workspace',
'schema-mismatch': 'response did not match the expected schema',
'version-regression': 'snapshot version regressed below the accepted version',
};
/** A verified snapshot of fetched data with full provenance. */
export interface FreshSnapshot<T> {
readonly data: T;
/** Source identity of the fetch, e.g. `gateway:/api/tasks`. */
readonly source: string;
/** Workspace scope the data belongs to. */
readonly workspace: string;
/** Monotonic snapshot sequence number for this surface. */
readonly version: number;
/** Schema version of the validator that accepted this snapshot. */
readonly schemaVersion: number;
/** Epoch ms at which the data was verified. */
readonly fetchedAt: number;
/** Integrity digest of `data`, used to detect cache corruption. */
readonly digest: string;
}
/** Provenance label rendered next to last-known data. */
export interface FreshnessLabel {
readonly source: string;
readonly version: number;
readonly fetchedAt: number;
}
/** Policy governing freshness for a surface. */
export interface FreshnessPolicy {
/** Active workspace scope. Snapshots from other scopes are invalidated. */
readonly workspace: string;
/** Schema version of the current validator. */
readonly schemaVersion: number;
/** Age after which a verified snapshot degrades from current to stale. */
readonly staleAfterMs: number;
}
export const DEFAULT_FRESHNESS_POLICY: FreshnessPolicy = {
workspace: 'default',
schemaVersion: 1,
staleAfterMs: 60_000,
};
/** Payload returned by a successful schema validation. */
export interface FreshPayload<T> {
readonly data: T;
/**
* Workspace identity extracted from the payload itself when the collection
* carries one (e.g. a uniform `userId` on projects). `null` when the
* collection has no intrinsic workspace identity.
*/
readonly workspace: string | null;
}
/** Error thrown when a mutation is attempted on non-current data. */
export class StaleMutationError extends Error {
readonly freshness: FreshnessState;
constructor(freshness: FreshnessState) {
super(`Refused mutation on ${freshness} data: revalidation is required before mutating.`);
this.name = 'StaleMutationError';
this.freshness = freshness;
}
}
/** Stable JSON digest used for snapshot integrity checks. */
export function computeDigest(value: unknown): string {
// FNV-1a 32-bit over the stable JSON serialization. This is an integrity
// check against corruption, not a cryptographic guarantee.
let hash = 0x811c9dc5;
for (const byte of stableStringify(value)) {
hash ^= byte.charCodeAt(0);
hash = Math.imul(hash, 0x01000193) >>> 0;
}
return hash.toString(16).padStart(8, '0');
}
function stableStringify(value: unknown): string {
return serialize(value);
}
function serialize(value: unknown): string {
if (value === null || typeof value !== 'object') return JSON.stringify(value) ?? 'null';
if (Array.isArray(value)) return `[${value.map(serialize).join(',')}]`;
const entries = Object.entries(value as Record<string, unknown>)
.filter(([, item]) => item !== undefined)
.sort(([left], [right]) => (left < right ? -1 : left > right ? 1 : 0))
.map(([key, item]) => `${JSON.stringify(key)}:${serialize(item)}`);
return `{${entries.join(',')}}`;
}
export type AcceptSnapshotResult<T> =
| { readonly outcome: 'accepted'; readonly snapshot: FreshSnapshot<T> }
| { readonly outcome: 'invalidated'; readonly reason: InvalidationReason };
export interface AcceptSnapshotOptions<T> {
/** Raw fetched value (untrusted JSON). */
readonly value: unknown;
/** Schema validator; returns `null` when the value does not match. */
readonly validate: (value: unknown) => FreshPayload<T> | null;
/** Previously accepted snapshot for this surface, if any. */
readonly previous: FreshSnapshot<T> | null;
readonly policy: FreshnessPolicy;
readonly source: string;
/**
* Version carried by the incoming payload when the transport exposes one.
* Must not regress below the accepted snapshot's version.
*/
readonly incomingVersion?: number;
readonly now: number;
}
/**
* Validate and accept a fetched value as a snapshot, or invalidate it.
*
* Invalidation rules (each treated as unavailable, never rendered current):
* - schema mismatch: the payload fails validation
* - cross-workspace: the payload's workspace differs from the verified one
* - version regression: payload/schema version is below the accepted one
*/
export function acceptSnapshot<T>(options: AcceptSnapshotOptions<T>): AcceptSnapshotResult<T> {
const payload = options.validate(options.value);
if (payload === null) {
return { outcome: 'invalidated', reason: 'schema-mismatch' };
}
// Workspace identity: the payload's own scope wins; a collection with no
// intrinsic identity (e.g. an empty list after every project was deleted)
// keeps the previously verified scope rather than resetting to the policy
// default, so a legitimately empty response is not mistaken for a scope
// change.
const workspace = payload.workspace ?? options.previous?.workspace ?? options.policy.workspace;
if (options.previous !== null && options.previous.workspace !== workspace) {
return { outcome: 'invalidated', reason: 'cross-workspace' };
}
if (options.previous !== null && options.policy.schemaVersion < options.previous.schemaVersion) {
return { outcome: 'invalidated', reason: 'version-regression' };
}
if (
options.incomingVersion !== undefined &&
options.previous !== null &&
options.incomingVersion < options.previous.version
) {
return { outcome: 'invalidated', reason: 'version-regression' };
}
const snapshot: FreshSnapshot<T> = {
data: payload.data,
source: options.source,
workspace,
version: options.incomingVersion ?? (options.previous?.version ?? 0) + 1,
schemaVersion: options.policy.schemaVersion,
fetchedAt: options.now,
digest: computeDigest(payload.data),
};
return { outcome: 'accepted', snapshot };
}
export interface ComputeFreshnessOptions {
readonly snapshot: FreshSnapshot<unknown> | null;
readonly policy: FreshnessPolicy;
readonly now: number;
/**
* True when the snapshot cannot be trusted as current regardless of age:
* the latest revalidation failed, or the snapshot was restored from cache
* and has not been verified by a fetch in this session.
*/
readonly degraded?: boolean;
}
/**
* Compute the freshness state of a snapshot. A missing snapshot is
* `unavailable` (never "empty and healthy"); a degraded or aged snapshot is
* `stale` (situational awareness only).
*/
export function computeFreshness(options: ComputeFreshnessOptions): FreshnessState {
const { snapshot, policy, now, degraded = false } = options;
if (snapshot === null) return 'unavailable';
if (degraded) return 'stale';
if (now - snapshot.fetchedAt > policy.staleAfterMs) return 'stale';
return 'current';
}
/** Only verified-current data may back a state-changing action. */
export function canMutate(state: FreshnessState): boolean {
return state === 'current';
}
/** Defense in depth: reject the mutation call itself on non-current data. */
export function assertMutable(state: FreshnessState): void {
if (!canMutate(state)) {
throw new StaleMutationError(state);
}
}
/**
* Combine freshness across a multi-collection surface (primary + secondaries).
* The primary collection gates the surface: unknown while it loads,
* unavailable when it fails. Missing secondaries degrade the surface to
* `partial`; aged collections degrade it to `stale`.
*/
export function combineFreshness(
primary: FreshnessState,
secondaries: readonly FreshnessState[],
): FreshnessState {
if (primary === 'unavailable') return 'unavailable';
if (primary === 'unknown') return 'unknown';
if (secondaries.includes('unavailable')) return 'partial';
if (secondaries.includes('unknown')) return 'unknown';
if (secondaries.includes('stale') || primary === 'stale') return 'stale';
if (secondaries.includes('partial')) return 'partial';
return 'current';
}
/** Render-safe age label for snapshot provenance. */
export function formatAge(fetchedAt: number, now: number): string {
const ageMs = Math.max(0, now - fetchedAt);
if (ageMs < 10_000) return 'just now';
const minutes = Math.floor(ageMs / 60_000);
if (minutes < 1) return 'under a minute ago';
if (minutes < 60) return `${minutes}m ago`;
const hours = Math.floor(minutes / 60);
if (hours < 24) return `${hours}h ago`;
const days = Math.floor(hours / 24);
return `${days}d ago`;
}
/** Derived verdict placeholder for non-current inputs — never a green value. */
export const UNKNOWN_VERDICT = '?';
export function verdictValue(verified: boolean, value: string): string {
return verified ? value : UNKNOWN_VERDICT;
}
@@ -1,197 +0,0 @@
import { afterEach, beforeEach, describe, expect, it } from 'vitest';
import { acceptSnapshot, DEFAULT_FRESHNESS_POLICY } from './model';
import { clearSnapshotCache, readSnapshotCache, writeSnapshotCache } from './snapshot-cache';
import { validateProjectCollection, validateTaskCollection } from './validators';
import { projectFixtures, taskFixtures } from '@/spa/pages/page-fixtures';
import type { Project, Task } from '@/lib/types';
const KEY = 'test:tasks';
const NOW = 1_800_000_000_000;
const policy = { ...DEFAULT_FRESHNESS_POLICY, staleAfterMs: 60_000 };
function storedTaskSnapshot() {
const result = acceptSnapshot({
value: taskFixtures,
validate: validateTaskCollection,
previous: null,
policy,
source: 'gateway:/api/tasks',
now: NOW,
});
if (result.outcome !== 'accepted') throw new Error('fixture setup failed');
return result.snapshot;
}
function storedProjectSnapshot() {
const result = acceptSnapshot({
value: projectFixtures,
validate: validateProjectCollection,
previous: null,
policy,
source: 'gateway:/api/projects',
now: NOW,
});
if (result.outcome !== 'accepted') throw new Error('fixture setup failed');
return result.snapshot;
}
function readTasks() {
return readSnapshotCache({
key: KEY,
workspace: policy.workspace,
policy,
validate: validateTaskCollection,
});
}
/** Write an arbitrary value directly at the raw cache slot. */
function writeRaw(key: string, value: unknown): void {
sessionStorage.setItem(`mosaic:freshness:v1:${key}`, JSON.stringify(value));
}
/** Parse and re-write the stored entry (for tampering with internals). */
function tamperStored<T>(key: string, mutate: (stored: T) => void): void {
const parsed = JSON.parse(sessionStorage.getItem(`mosaic:freshness:v1:${key}`) ?? '{}') as T;
mutate(parsed);
writeRaw(key, parsed);
}
beforeEach(() => {
sessionStorage.clear();
});
afterEach(() => {
sessionStorage.clear();
});
describe('readSnapshotCache', () => {
it('misses when nothing is stored', () => {
expect(readTasks()).toEqual({ outcome: 'miss' });
});
it('hits for a well-formed entry and preserves provenance', () => {
const snapshot = storedTaskSnapshot();
writeSnapshotCache(KEY, snapshot);
const result = readTasks();
expect(result.outcome).toBe('hit');
if (result.outcome === 'hit') {
expect(result.snapshot.data).toEqual(taskFixtures);
expect(result.snapshot.source).toBe('gateway:/api/tasks');
expect(result.snapshot.version).toBe(snapshot.version);
expect(result.snapshot.fetchedAt).toBe(snapshot.fetchedAt);
expect(result.snapshot.workspace).toBe(snapshot.workspace);
}
});
it('invalidates unparsable entries as cache corruption', () => {
sessionStorage.setItem(`mosaic:freshness:v1:${KEY}`, '{not json');
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'cache-corruption' });
});
it('invalidates structurally wrong entries as cache corruption', () => {
const malformed: unknown[] = [
'nested but not a snapshot',
{ data: taskFixtures }, // missing provenance fields
{
data: taskFixtures,
source: 1,
workspace: 'w',
version: 1,
schemaVersion: 1,
fetchedAt: 1,
digest: 'x',
},
null,
17,
];
for (const entry of malformed) {
writeRaw(KEY, entry);
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'cache-corruption' });
}
});
it('invalidates digest mismatches as cache corruption (tampered data)', () => {
writeSnapshotCache(KEY, storedTaskSnapshot());
tamperStored<{ data: Task[] }>(KEY, (stored) => {
stored.data = [...stored.data, { ...stored.data[0]!, id: 'injected-task' }];
});
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'cache-corruption' });
});
it('invalidates entries scoped to another workspace', () => {
const snapshot = storedTaskSnapshot();
writeSnapshotCache(KEY, { ...snapshot, workspace: 'someone-else' });
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'cross-workspace' });
});
it('invalidates entries written by a newer schema as a version regression', () => {
const snapshot = storedTaskSnapshot();
writeSnapshotCache(KEY, { ...snapshot, schemaVersion: policy.schemaVersion + 1 });
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'version-regression' });
});
it('invalidates entries whose data no longer validates (schema mismatch)', () => {
writeSnapshotCache(KEY, storedTaskSnapshot());
tamperStored<{ data: unknown }>(KEY, (stored) => {
stored.data = { malformed: true };
});
expect(readTasks()).toEqual({ outcome: 'invalidated', reason: 'schema-mismatch' });
});
it('never reports a corrupted raw entry as a hit (negative control)', () => {
for (const raw of ['{oops', 'null', '"string"', '[]', '12']) {
sessionStorage.setItem(`mosaic:freshness:v1:${KEY}`, raw);
const result = readTasks();
expect(result.outcome).not.toBe('hit');
expect(result.outcome).toBe('invalidated');
}
});
it('scopes project collections by their workspace identity', () => {
const snapshot = storedProjectSnapshot();
writeSnapshotCache('test:projects', snapshot);
const sameScope = readSnapshotCache({
key: 'test:projects',
workspace: 'user-1',
policy,
validate: validateProjectCollection,
});
expect(sameScope.outcome).toBe('hit');
const foreignScope = readSnapshotCache({
key: 'test:projects',
workspace: 'user-2',
policy,
validate: validateProjectCollection,
});
expect(foreignScope).toEqual({ outcome: 'invalidated', reason: 'cross-workspace' });
});
});
describe('writeSnapshotCache round-trip', () => {
it('round-trips an accepted project snapshot', () => {
const snapshot = storedProjectSnapshot();
writeSnapshotCache('test:projects', snapshot);
const result = readSnapshotCache({
key: 'test:projects',
workspace: snapshot.workspace,
policy,
validate: validateProjectCollection,
});
expect(result.outcome).toBe('hit');
if (result.outcome === 'hit') {
expect(result.snapshot.data).toEqual(projectFixtures as Project[]);
}
});
});
describe('clearSnapshotCache', () => {
it('drops the entry so the next read misses', () => {
writeSnapshotCache(KEY, storedTaskSnapshot());
expect(readTasks().outcome).toBe('hit');
clearSnapshotCache(KEY);
expect(readTasks()).toEqual({ outcome: 'miss' });
});
});
@@ -1,154 +0,0 @@
import {
computeDigest,
type FreshPayload,
type FreshSnapshot,
type FreshnessPolicy,
type InvalidationReason,
} from './model';
/**
* Session-scoped last-known snapshot cache (RI-5-001).
*
* Restored snapshots are situational awareness only: they surface as `stale`
* until a fetch re-verifies them. A cache entry that is corrupted, belongs to
* another workspace, was written by a newer schema, or no longer validates is
* invalidated (treated as unavailable, never rendered as current).
*/
const CACHE_PREFIX = 'mosaic:freshness:v1';
interface StoredSnapshot {
data: unknown;
source: string;
workspace: string;
version: number;
schemaVersion: number;
fetchedAt: number;
digest: string;
}
export type SnapshotCacheRead<T> =
| { readonly outcome: 'hit'; readonly snapshot: FreshSnapshot<T> }
| { readonly outcome: 'miss' }
| { readonly outcome: 'invalidated'; readonly reason: InvalidationReason };
export interface ReadSnapshotCacheOptions<T> {
readonly key: string;
readonly workspace: string;
readonly policy: FreshnessPolicy;
readonly validate: (value: unknown) => FreshPayload<T> | null;
}
function cacheKey(key: string): string {
return `${CACHE_PREFIX}:${key}`;
}
function isStoredSnapshot(value: unknown): value is StoredSnapshot {
if (typeof value !== 'object' || value === null) return false;
const candidate = value as Record<string, unknown>;
return (
typeof candidate['data'] === 'object' &&
candidate['data'] !== null &&
typeof candidate['source'] === 'string' &&
typeof candidate['workspace'] === 'string' &&
typeof candidate['version'] === 'number' &&
typeof candidate['schemaVersion'] === 'number' &&
typeof candidate['fetchedAt'] === 'number' &&
typeof candidate['digest'] === 'string'
);
}
function getStorage(): Storage | null {
try {
return globalThis.sessionStorage ?? null;
} catch {
return null;
}
}
/**
* Restore a cached snapshot under the active workspace scope. Every failure
* mode maps to an explicit invalidation reason or a miss — never to data
* that renders as current.
*/
export function readSnapshotCache<T>(options: ReadSnapshotCacheOptions<T>): SnapshotCacheRead<T> {
const storage = getStorage();
if (storage === null) return { outcome: 'miss' };
let raw: string | null;
try {
raw = storage.getItem(cacheKey(options.key));
} catch {
return { outcome: 'miss' };
}
if (raw === null) return { outcome: 'miss' };
let parsed: unknown;
try {
parsed = JSON.parse(raw);
} catch {
return { outcome: 'invalidated', reason: 'cache-corruption' };
}
if (!isStoredSnapshot(parsed)) {
return { outcome: 'invalidated', reason: 'cache-corruption' };
}
if (parsed.workspace !== options.workspace) {
return { outcome: 'invalidated', reason: 'cross-workspace' };
}
if (parsed.schemaVersion > options.policy.schemaVersion) {
// Written by a newer build than the running client: version regression.
return { outcome: 'invalidated', reason: 'version-regression' };
}
const payload = options.validate(parsed.data);
if (payload === null) {
return { outcome: 'invalidated', reason: 'schema-mismatch' };
}
if (computeDigest(payload.data) !== parsed.digest) {
return { outcome: 'invalidated', reason: 'cache-corruption' };
}
return {
outcome: 'hit',
snapshot: {
data: payload.data,
source: parsed.source,
workspace: parsed.workspace,
version: parsed.version,
schemaVersion: parsed.schemaVersion,
fetchedAt: parsed.fetchedAt,
digest: parsed.digest,
},
};
}
/** Persist a verified snapshot. Failures are non-fatal (cache is best-effort). */
export function writeSnapshotCache<T>(key: string, snapshot: FreshSnapshot<T>): void {
const storage = getStorage();
if (storage === null) return;
const stored: StoredSnapshot = {
data: snapshot.data,
source: snapshot.source,
workspace: snapshot.workspace,
version: snapshot.version,
schemaVersion: snapshot.schemaVersion,
fetchedAt: snapshot.fetchedAt,
digest: snapshot.digest,
};
try {
storage.setItem(cacheKey(key), JSON.stringify(stored));
} catch {
// Quota or serialization failures simply skip caching.
}
}
/** Drop a cached snapshot (used when a surface invalidates its cache entry). */
export function clearSnapshotCache(key: string): void {
const storage = getStorage();
if (storage === null) return;
try {
storage.removeItem(cacheKey(key));
} catch {
// Ignorable: a wedged storage entry is detected as corruption on read.
}
}
@@ -1,372 +0,0 @@
import { act } from 'react';
import { createRoot, type Root } from 'react-dom/client';
import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
import type { Task } from '@/lib/types';
import { acceptSnapshot, StaleMutationError, DEFAULT_FRESHNESS_POLICY } from './model';
import type { FreshnessFailure } from './use-fresh-collection';
import {
describeFailure,
useFreshCollection,
type FreshCollection,
type UseFreshCollectionOptions,
} from './use-fresh-collection';
import { validateProjectCollection, validateTaskCollection } from './validators';
import { projectFixtures, taskFixtures } from '@/spa/pages/page-fixtures';
/**
* Failure-matrix coverage for the freshness seam (RI-5-001): network failure,
* auth failure, malformed response, cache corruption, stale age, schema
* mismatch, cross-workspace, recovery, and stale-action rejection — with
* negative controls proving no case yields current data or an enabled
* mutation.
*/
const NOW = 1_800_000_000_000;
interface Deferred<T> {
promise: Promise<T>;
resolve: (value: T) => void;
reject: (reason?: unknown) => void;
}
function createDeferred<T>(): Deferred<T> {
let resolve!: (value: T) => void;
let reject!: (reason?: unknown) => void;
const promise = new Promise<T>((res, rej) => {
resolve = res;
reject = rej;
});
return { promise, resolve, reject };
}
let root: Root | null = null;
let container: HTMLDivElement;
let latest: FreshCollection<Task[]> | null = null;
function Probe({
options,
}: {
options: UseFreshCollectionOptions<Task[]>;
}): React.ReactElement | null {
latest = useFreshCollection<Task[]>(options);
return null;
}
beforeAll(() => {
Object.defineProperty(globalThis, 'IS_REACT_ACT_ENVIRONMENT', {
configurable: true,
value: true,
});
});
beforeEach(() => {
sessionStorage.clear();
});
afterEach(async () => {
await act(async () => {
root?.unmount();
});
document.body.replaceChildren();
root = null;
latest = null;
sessionStorage.clear();
vi.restoreAllMocks();
});
async function renderCollection(
options: UseFreshCollectionOptions<Task[]>,
): Promise<FreshCollection<Task[]>> {
container = document.createElement('div');
document.body.append(container);
root = createRoot(container);
await act(async () => {
root?.render(<Probe options={options} />);
});
if (latest === null) throw new Error('hook did not run');
return latest;
}
function taskOptions(
overrides: Partial<UseFreshCollectionOptions<Task[]>> = {},
): UseFreshCollectionOptions<Task[]> {
return {
source: 'gateway:/api/tasks',
fetcher: () => Promise.resolve(taskFixtures),
validate: validateTaskCollection,
cacheKey: 'tasks',
clock: () => NOW,
...overrides,
};
}
function authError(statusCode: number): Error & { statusCode: number } {
return Object.assign(new Error(`Request failed with ${statusCode}`), { statusCode });
}
function seedCache(key: string): number {
const result = acceptSnapshot({
value: taskFixtures,
validate: validateTaskCollection,
previous: null,
policy: DEFAULT_FRESHNESS_POLICY,
source: 'gateway:/api/tasks',
now: NOW,
});
if (result.outcome !== 'accepted') throw new Error('fixture setup failed');
sessionStorage.setItem(`mosaic:freshness:v1:${key}`, JSON.stringify({ ...result.snapshot }));
return result.snapshot.version;
}
describe('useFreshCollection failure matrix', () => {
it('is unknown (not empty) while the first validation is in flight', async () => {
const deferred = createDeferred<Task[]>();
const collection = await renderCollection(taskOptions({ fetcher: () => deferred.promise }));
expect(collection.freshness).toBe('unknown');
expect(collection.validating).toBe(true);
expect(collection.data).toBeNull();
expect(collection.canMutate).toBe(false);
await act(async () => {
deferred.resolve(taskFixtures);
await deferred.promise;
});
});
it('becomes current with provenance after a verified fetch', async () => {
const collection = await renderCollection(taskOptions());
expect(collection.freshness).toBe('current');
expect(collection.data).toEqual(taskFixtures);
expect(collection.snapshot?.source).toBe('gateway:/api/tasks');
expect(collection.snapshot?.version).toBe(1);
expect(collection.failure).toBeNull();
expect(collection.canMutate).toBe(true);
// Verified snapshot is persisted for last-known restore.
expect(sessionStorage.getItem('mosaic:freshness:v1:tasks')).toBeTruthy();
});
it('treats a network failure as unavailable — never an empty healthy collection', async () => {
const collection = await renderCollection(
taskOptions({ fetcher: () => Promise.reject(new Error('network down')) }),
);
expect(collection.freshness).toBe('unavailable');
expect(collection.data).toBeNull();
expect(collection.failure).toEqual({ kind: 'fetch', message: 'network down' });
expect(collection.canMutate).toBe(false);
expect(describeFailure(collection.failure)).toBe('network down');
});
it('treats an auth failure as unavailable and drops the last-known snapshot', async () => {
let call = 0;
const collection = await renderCollection(
taskOptions({
fetcher: () => {
call += 1;
return call === 1 ? Promise.resolve(taskFixtures) : Promise.reject(authError(401));
},
}),
);
expect(collection.freshness).toBe('current');
await act(async () => {
await collection.revalidate();
});
expect(latest?.freshness).toBe('unavailable');
expect(latest?.data).toBeNull();
expect(latest?.failure?.kind).toBe('fetch');
// The previous user's data must not linger in the session cache.
expect(sessionStorage.getItem('mosaic:freshness:v1:tasks')).toBeNull();
});
it('invalidates a malformed response as a schema mismatch', async () => {
const collection = await renderCollection(
taskOptions({ fetcher: () => Promise.resolve({ malformed: true }) }),
);
expect(collection.freshness).toBe('unavailable');
expect(collection.data).toBeNull();
expect(collection.failure).toEqual({ kind: 'invalidated', reason: 'schema-mismatch' });
expect(collection.canMutate).toBe(false);
});
it('keeps the previous snapshot as labeled stale when a later payload mismatches', async () => {
let call = 0;
const collection = await renderCollection(
taskOptions({
fetcher: () => {
call += 1;
return call === 1 ? Promise.resolve(taskFixtures) : Promise.resolve('garbage');
},
}),
);
expect(collection.freshness).toBe('current');
await act(async () => {
await collection.revalidate();
});
expect(latest?.freshness).toBe('stale');
expect(latest?.data).toEqual(taskFixtures);
expect(latest?.failure).toEqual({ kind: 'invalidated', reason: 'schema-mismatch' });
expect(latest?.canMutate).toBe(false);
});
it('drops the snapshot when the workspace changes under it (cross-workspace)', async () => {
let call = 0;
const collection = await renderCollection(
taskOptions({
fetcher: () => {
call += 1;
return Promise.resolve(
call === 1 ? projectFixtures : [{ ...projectFixtures[0], userId: 'user-2' }],
);
},
validate: validateProjectCollection as unknown as (value: unknown) => {
data: Task[];
workspace: string | null;
},
source: 'gateway:/api/projects',
}),
);
expect(collection.freshness).toBe('current');
await act(async () => {
await collection.revalidate();
});
expect(latest?.freshness).toBe('unavailable');
expect(latest?.data).toBeNull();
expect(latest?.failure).toEqual({ kind: 'invalidated', reason: 'cross-workspace' });
});
it('ages from current to stale and refuses mutations on stale data', async () => {
let fakeNow = NOW;
const collection = await renderCollection(
taskOptions({
clock: () => fakeNow,
policy: { staleAfterMs: 40 },
tickMs: 10,
}),
);
expect(collection.freshness).toBe('current');
// Age the snapshot past the policy and let the tick recompute.
fakeNow = NOW + 60;
await act(async () => {
await new Promise((resolve) => setTimeout(resolve, 25));
});
expect(latest?.freshness).toBe('stale');
expect(latest?.data).toEqual(taskFixtures);
expect(latest?.canMutate).toBe(false);
const operation = vi.fn(async () => 'result');
await expect(latest?.mutate(operation)).rejects.toBeInstanceOf(StaleMutationError);
expect(operation).not.toHaveBeenCalled();
});
it('recovers to current after a successful revalidation', async () => {
let call = 0;
const collection = await renderCollection(
taskOptions({
fetcher: () => {
call += 1;
return call === 1
? Promise.reject(new Error('first attempt failed'))
: Promise.resolve(taskFixtures);
},
}),
);
expect(collection.freshness).toBe('unavailable');
await act(async () => {
await collection.revalidate();
});
expect(latest?.freshness).toBe('current');
expect(latest?.failure).toBeNull();
const operation = vi.fn(async (data: Task[]) => data.length);
await expect(latest?.mutate(operation)).resolves.toBe(taskFixtures.length);
expect(operation).toHaveBeenCalledOnce();
});
it('restores a cached snapshot as unverified stale data, then verifies it', async () => {
const seededVersion = seedCache('tasks');
const deferred = createDeferred<Task[]>();
const collection = await renderCollection(taskOptions({ fetcher: () => deferred.promise }));
// Restored data is situational awareness only: labeled stale, never
// current, and mutations are refused before verification.
expect(collection.freshness).toBe('stale');
expect(collection.data).toEqual(taskFixtures);
expect(collection.canMutate).toBe(false);
await expect(collection.mutate(vi.fn())).rejects.toBeInstanceOf(StaleMutationError);
await act(async () => {
deferred.resolve(taskFixtures);
await deferred.promise;
});
expect(latest?.freshness).toBe('current');
expect(latest?.snapshot?.version).toBe(seededVersion + 1);
});
it('never promotes corrupted cache data to current (cache corruption)', async () => {
sessionStorage.setItem('mosaic:freshness:v1:tasks', '{"data":');
const collection = await renderCollection(
taskOptions({ fetcher: () => Promise.reject(new Error('still down')) }),
);
expect(collection.freshness).toBe('unavailable');
expect(collection.data).toBeNull();
expect(collection.canMutate).toBe(false);
// The corrupted entry is dropped so it cannot come back.
expect(sessionStorage.getItem('mosaic:freshness:v1:tasks')).toBeNull();
});
it('refuses mutations while unknown or unavailable — the call itself, not just the button', async () => {
const deferred = createDeferred<Task[]>();
const unknown = await renderCollection(taskOptions({ fetcher: () => deferred.promise }));
const operation = vi.fn(async () => 'result');
await expect(unknown.mutate(operation)).rejects.toBeInstanceOf(StaleMutationError);
expect(operation).not.toHaveBeenCalled();
await act(async () => {
deferred.reject(new Error('failed'));
await deferred.promise.catch(() => undefined);
});
const unavailable = latest!;
await expect(unavailable.mutate(operation)).rejects.toBeInstanceOf(StaleMutationError);
expect(operation).not.toHaveBeenCalled();
expect(unavailable.canMutate).toBe(false);
});
it('degrades to stale with last-known data when a revalidation fails after success', async () => {
let call = 0;
const collection = await renderCollection(
taskOptions({
fetcher: () => {
call += 1;
return call === 1
? Promise.resolve(taskFixtures)
: Promise.reject(new Error('connection lost'));
},
}),
);
expect(collection.freshness).toBe('current');
await act(async () => {
await collection.revalidate();
});
expect(latest?.freshness).toBe('stale');
expect(latest?.data).toEqual(taskFixtures);
const failure: FreshnessFailure | null = latest?.failure ?? null;
expect(failure).toEqual({ kind: 'fetch', message: 'connection lost' });
});
});
@@ -1,281 +0,0 @@
import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import {
acceptSnapshot,
assertMutable,
computeFreshness,
DEFAULT_FRESHNESS_POLICY,
invalidationReasonLabels,
type FreshPayload,
type FreshSnapshot,
type FreshnessPolicy,
type FreshnessState,
type InvalidationReason,
StaleMutationError,
} from './model';
import { clearSnapshotCache, readSnapshotCache, writeSnapshotCache } from './snapshot-cache';
/**
* Freshness-aware collection fetch hook (RI-5-001).
*
* One hook owns one gateway collection end to end: fetch, schema validation,
* snapshot acceptance with provenance, session-scoped last-known caching,
* aging, and the mutation guard. Pages consume `freshness` and never infer
* health from emptiness.
*/
/** Why the latest validation did not produce a current snapshot. */
export type FreshnessFailure =
| { readonly kind: 'fetch'; readonly message: string }
| { readonly kind: 'invalidated'; readonly reason: InvalidationReason };
export interface UseFreshCollectionOptions<T> {
/** Source identity for provenance labels, e.g. `gateway:/api/tasks`. */
readonly source: string;
/** Performs the unvalidated fetch. The hook owns abort and verification. */
readonly fetcher: (signal: AbortSignal) => Promise<unknown>;
/**
* Runtime schema validator. Returning `null` invalidates the payload
* (`schema-mismatch`) instead of letting malformed JSON flow into render.
*/
readonly validate: (value: unknown) => FreshPayload<T> | null;
/** Overrides of the default freshness policy. */
readonly policy?: Partial<FreshnessPolicy>;
/**
* Session cache key for last-known snapshots. `null`/omitted disables
* restore. Restored snapshots are unverified: they render only as
* labeled `stale` data until a fetch re-verifies them.
*/
readonly cacheKey?: string | null;
/** Injectable clock for deterministic age transitions in tests. */
readonly clock?: () => number;
/** Aging tick interval override (default derived from `staleAfterMs`). */
readonly tickMs?: number;
/** When false, no fetch runs (surfaces stay `unavailable`/`unknown`). */
readonly enabled?: boolean;
}
export interface FreshCollection<T> {
/** Last verified (or restored-unverified) snapshot, or `null`. */
readonly snapshot: FreshSnapshot<T> | null;
/** Snapshot data or `null` — never a fabricated empty collection. */
readonly data: T | null;
readonly freshness: FreshnessState;
/** True while a validation request is in flight. */
readonly validating: boolean;
/** Outcome of the latest failed validation, `null` when healthy. */
readonly failure: FreshnessFailure | null;
/** False unless freshness is `current`; drives disabled UI affordances. */
readonly canMutate: boolean;
/** Re-run the fetch and re-verify. Always allowed (it is a read). */
readonly revalidate: () => Promise<void>;
/**
* Run a state-changing operation against verified-current data only.
* Rejects with `StaleMutationError` on any other state — the guard fires
* even if a disabled button was bypassed (defense in depth).
*/
readonly mutate: <R>(operation: (data: T) => Promise<R>) => Promise<R>;
}
const defaultClock = (): number => Date.now();
function resolveTickMs(policy: FreshnessPolicy, override?: number): number {
if (override !== undefined && override > 0) return override;
return Math.min(5_000, Math.max(250, Math.floor(policy.staleAfterMs / 4)));
}
function isAuthFailure(caught: unknown): boolean {
return (
typeof caught === 'object' &&
caught !== null &&
'statusCode' in caught &&
((caught as { statusCode?: unknown }).statusCode === 401 ||
(caught as { statusCode?: unknown }).statusCode === 403)
);
}
function fetchFailureMessage(caught: unknown): string {
if (caught instanceof Error && caught.message.trim().length > 0) return caught.message;
return 'The request failed.';
}
/** Human-readable summary of a failure for unavailable/stale notices. */
export function describeFailure(failure: FreshnessFailure | null): string | null {
if (failure === null) return null;
if (failure.kind === 'fetch') return failure.message;
return `The snapshot was invalidated: ${invalidationReasonLabels[failure.reason]}.`;
}
export function useFreshCollection<T>(options: UseFreshCollectionOptions<T>): FreshCollection<T> {
const optionsRef = useRef(options);
optionsRef.current = options;
const policy = useMemo<FreshnessPolicy>(
() => ({ ...DEFAULT_FRESHNESS_POLICY, ...options.policy }),
[options.policy],
);
const policyRef = useRef(policy);
policyRef.current = policy;
const clockRef = useRef(options.clock ?? defaultClock);
clockRef.current = options.clock ?? defaultClock;
const [snapshot, setSnapshot] = useState<FreshSnapshot<T> | null>(null);
const [failure, setFailure] = useState<FreshnessFailure | null>(null);
const [unverified, setUnverified] = useState(false);
const [validating, setValidating] = useState(options.enabled !== false);
const [now, setNow] = useState(() => (options.clock ?? defaultClock)());
const snapshotRef = useRef(snapshot);
snapshotRef.current = snapshot;
const failureRef = useRef(failure);
failureRef.current = failure;
const unverifiedRef = useRef(unverified);
unverifiedRef.current = unverified;
const runRef = useRef(0);
const abortRef = useRef<AbortController | null>(null);
const revalidate = useCallback(async (): Promise<void> => {
const current = optionsRef.current;
if (current.enabled === false) {
setValidating(false);
return;
}
const runId = ++runRef.current;
abortRef.current?.abort();
const controller = new AbortController();
abortRef.current = controller;
setValidating(true);
let value: unknown;
try {
value = await current.fetcher(controller.signal);
} catch (caught) {
if (runRef.current !== runId || controller.signal.aborted) return;
if (isAuthFailure(caught)) {
// An unauthenticated viewer must not keep (or be served) the
// previous user's last-known data.
setSnapshot(null);
setUnverified(false);
if (current.cacheKey) clearSnapshotCache(current.cacheKey);
}
setFailure({ kind: 'fetch', message: fetchFailureMessage(caught) });
setValidating(false);
return;
}
if (runRef.current !== runId) return;
const result = acceptSnapshot({
value,
validate: current.validate,
previous: snapshotRef.current,
policy: policyRef.current,
source: current.source,
now: clockRef.current(),
});
if (result.outcome === 'accepted') {
setSnapshot(result.snapshot);
setUnverified(false);
setFailure(null);
if (current.cacheKey) writeSnapshotCache(current.cacheKey, result.snapshot);
} else {
if (result.reason === 'cross-workspace') {
// Data verified for a different workspace must not linger as
// last-known situational awareness either.
setSnapshot(null);
setUnverified(false);
}
if (current.cacheKey) clearSnapshotCache(current.cacheKey);
setFailure({ kind: 'invalidated', reason: result.reason });
}
setValidating(false);
}, []);
// Restore the last-known snapshot (unverified) and run the first fetch.
useEffect(() => {
if (optionsRef.current.enabled === false) {
setValidating(false);
return;
}
const cacheKey = optionsRef.current.cacheKey;
if (cacheKey) {
const restored = readSnapshotCache<T>({
key: cacheKey,
workspace: policyRef.current.workspace,
policy: policyRef.current,
validate: optionsRef.current.validate,
});
if (restored.outcome === 'hit') {
setSnapshot(restored.snapshot);
setUnverified(true);
} else if (restored.outcome === 'invalidated') {
// A corrupted/foreign/regressed entry is dropped immediately; it must
// never surface as data. The fetch decides the visible state.
clearSnapshotCache(cacheKey);
}
}
void revalidate();
return () => {
abortRef.current?.abort();
};
// Mount-once by design: `revalidate` is stable and reads live options
// through refs, so it never needs to re-run when options change.
// Route-param pages remount this hook via an identity `key` instead.
}, [revalidate]);
// Aging tick: recomputes freshness as the snapshot ages past the policy.
useEffect(() => {
const interval = setInterval(
() => {
setNow(clockRef.current());
},
resolveTickMs(policyRef.current, optionsRef.current.tickMs),
);
return () => clearInterval(interval);
}, []);
const freshness = useMemo<FreshnessState>(() => {
if (snapshot === null) return validating ? 'unknown' : 'unavailable';
return computeFreshness({
snapshot,
policy,
now,
degraded: failure !== null || unverified,
});
// `now` from state covers age; refs inside computeFreshness are pure.
}, [snapshot, validating, failure, unverified, now, policy]);
const canMutate = freshness === 'current';
const mutate = useCallback(async <R>(operation: (data: T) => Promise<R>): Promise<R> => {
const currentSnapshot = snapshotRef.current;
// No verified snapshot at all: with nothing verified there is nothing
// current to mutate, regardless of the recorded failure.
if (currentSnapshot === null) throw new StaleMutationError('unavailable');
const state = computeFreshness({
snapshot: currentSnapshot,
policy: policyRef.current,
now: clockRef.current(),
degraded: failureRef.current !== null || unverifiedRef.current,
});
assertMutable(state);
return operation(currentSnapshot.data);
}, []);
return {
snapshot,
data: snapshot === null ? null : snapshot.data,
freshness,
validating,
failure,
canMutate,
revalidate,
mutate,
};
}
@@ -1,103 +0,0 @@
import { describe, expect, it } from 'vitest';
import type { Mission, Project, Task } from '@/lib/types';
import {
validateMissionCollection,
validateProjectCollection,
validateProjectEntity,
validateTaskCollection,
} from './validators';
import { missionFixtures, projectFixtures, taskFixtures } from '@/spa/pages/page-fixtures';
describe('validateTaskCollection', () => {
it('accepts a well-formed task collection', () => {
expect(validateTaskCollection(taskFixtures)).toEqual({
data: taskFixtures,
workspace: null,
});
});
it('accepts an empty collection (a healthy empty state is a valid payload)', () => {
expect(validateTaskCollection([])).toEqual({ data: [], workspace: null });
});
it.each([
['not an array', { items: [] }],
['item is not an object', ['nope']],
['missing id', [{ ...(taskFixtures[0] as Task), id: undefined }]],
['missing title', [{ ...(taskFixtures[0] as Task), title: undefined }]],
['unknown status enum', [{ ...(taskFixtures[0] as Task), status: 'finished' }]],
['unknown priority enum', [{ ...(taskFixtures[0] as Task), priority: 'urgent' }]],
['tags of the wrong type', [{ ...(taskFixtures[0] as Task), tags: 'spa' }]],
['metadata of the wrong type', [{ ...(taskFixtures[0] as Task), metadata: 'notes' }]],
['createdAt of the wrong type', [{ ...(taskFixtures[0] as Task), createdAt: 1234 }]],
['null sneaks past a required string', [{ ...(taskFixtures[0] as Task), title: null }]],
])('rejects a malformed payload: %s', (_label, value) => {
expect(validateTaskCollection(value)).toBeNull();
});
});
describe('validateMissionCollection', () => {
it('accepts a well-formed mission collection', () => {
expect(validateMissionCollection(missionFixtures)).toEqual({
data: missionFixtures,
workspace: null,
});
});
it.each([
['not an array', null],
['item missing name', [{ ...(missionFixtures[0] as Mission), name: 42 }]],
['unknown status enum', [{ ...(missionFixtures[0] as Mission), status: 'canceled' }]],
['projectId of the wrong type', [{ ...(missionFixtures[0] as Mission), projectId: 7 }]],
])('rejects a malformed payload: %s', (_label, value) => {
expect(validateMissionCollection(value)).toBeNull();
});
});
describe('validateProjectCollection', () => {
it('accepts a uniform workspace-scoped collection and reports its workspace', () => {
expect(validateProjectCollection(projectFixtures)).toEqual({
data: projectFixtures,
workspace: 'user-1',
});
});
it('accepts an empty collection with no workspace identity', () => {
expect(validateProjectCollection([])).toEqual({ data: [], workspace: null });
});
it.each([
['not an array', 42],
['item missing userId', [{ ...(projectFixtures[0] as Project), userId: undefined }]],
['unknown status enum', [{ ...(projectFixtures[0] as Project), status: 'live' }]],
['description of the wrong type', [{ ...(projectFixtures[0] as Project), description: 1 }]],
])('rejects a malformed payload: %s', (_label, value) => {
expect(validateProjectCollection(value)).toBeNull();
});
it('rejects a collection mixing workspace identities (cross-workspace leak)', () => {
const mixed = [
projectFixtures[0] as Project,
{ ...(projectFixtures[1] as Project), userId: 'user-2' },
];
expect(validateProjectCollection(mixed)).toBeNull();
});
});
describe('validateProjectEntity', () => {
it('accepts a well-formed project and reports its workspace', () => {
expect(validateProjectEntity(projectFixtures[0])).toEqual({
data: projectFixtures[0],
workspace: 'user-1',
});
});
it.each([
['not an object', 'project-1'],
['null', null],
['array', [projectFixtures[0]]],
['missing userId', [{ ...(projectFixtures[0] as Project), userId: null }]],
])('rejects a malformed entity: %s', (_label, value) => {
expect(validateProjectEntity(value)).toBeNull();
});
});
-135
View File
@@ -1,135 +0,0 @@
import type { Mission, Project, Task, MissionStatus, TaskPriority, TaskStatus } from '@/lib/types';
import type { FreshPayload } from './model';
/**
* Runtime schema validators for gateway collections (RI-5-001).
*
* `api<T>()` returns untrusted JSON cast to `T`; these validators are the
* seam where a malformed response becomes an explicit schema mismatch
* instead of flowing into the render path as if it were healthy data.
*/
const taskStatuses: readonly TaskStatus[] = [
'not-started',
'in-progress',
'blocked',
'done',
'cancelled',
];
const taskPriorities: readonly TaskPriority[] = ['critical', 'high', 'medium', 'low'];
const missionStatuses: readonly MissionStatus[] = [
'planning',
'active',
'paused',
'completed',
'failed',
];
const projectStatuses: readonly Project['status'][] = ['active', 'paused', 'completed', 'archived'];
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === 'object' && value !== null && !Array.isArray(value);
}
function isString(value: unknown): value is string {
return typeof value === 'string';
}
function isNullableString(value: unknown): value is string | null {
return value === null || typeof value === 'string';
}
function isOneOf<T extends string>(value: unknown, allowed: readonly T[]): value is T {
return typeof value === 'string' && (allowed as readonly string[]).includes(value);
}
function isNullableRecord(value: unknown): value is Record<string, unknown> | null {
return value === null || isRecord(value);
}
function isNullableStringArray(value: unknown): value is string[] | null {
if (value === null) return true;
if (!Array.isArray(value)) return false;
return value.every((item) => typeof item === 'string');
}
function isIsoLike(value: unknown): value is string {
return typeof value === 'string' && value.length > 0;
}
function isTask(value: unknown): value is Task {
if (!isRecord(value)) return false;
return (
isString(value['id']) &&
isString(value['title']) &&
isOneOf(value['status'], taskStatuses) &&
isOneOf(value['priority'], taskPriorities) &&
isNullableString(value['projectId']) &&
isNullableString(value['missionId']) &&
isNullableString(value['assignee']) &&
isNullableStringArray(value['tags']) &&
isNullableRecord(value['metadata']) &&
isNullableString(value['dueDate']) &&
isIsoLike(value['createdAt']) &&
isIsoLike(value['updatedAt'])
);
}
/** Tasks carry no workspace identity; scope falls back to the policy. */
export function validateTaskCollection(value: unknown): FreshPayload<Task[]> | null {
if (!Array.isArray(value) || !value.every(isTask)) return null;
return { data: value as Task[], workspace: null };
}
function isMission(value: unknown): value is Mission {
if (!isRecord(value)) return false;
return (
isString(value['id']) &&
isString(value['name']) &&
isOneOf(value['status'], missionStatuses) &&
isNullableString(value['projectId']) &&
isNullableString(value['description']) &&
isNullableRecord(value['metadata']) &&
isIsoLike(value['createdAt']) &&
isIsoLike(value['updatedAt'])
);
}
/** Missions carry no workspace identity; scope falls back to the policy. */
export function validateMissionCollection(value: unknown): FreshPayload<Mission[]> | null {
if (!Array.isArray(value) || !value.every(isMission)) return null;
return { data: value as Mission[], workspace: null };
}
function isProject(value: unknown): value is Project {
if (!isRecord(value)) return false;
return (
isString(value['id']) &&
isString(value['name']) &&
isOneOf(value['status'], projectStatuses) &&
isString(value['userId']) &&
isNullableString(value['description']) &&
isNullableRecord(value['metadata']) &&
isIsoLike(value['createdAt']) &&
isIsoLike(value['updatedAt'])
);
}
/**
* Projects are workspace-scoped: every item must carry the same `userId`.
* A collection mixing identities (cross-workspace leak) is a schema
* mismatch; the uniform `userId` becomes the snapshot workspace.
*/
export function validateProjectCollection(value: unknown): FreshPayload<Project[]> | null {
if (!Array.isArray(value) || !value.every(isProject)) return null;
const projects = value as Project[];
const workspaces = new Set(projects.map((project) => project.userId));
if (workspaces.size > 1) return null;
return { data: projects, workspace: projects.length > 0 ? projects[0]!.userId : null };
}
/** Single project entity (project detail primary collection). */
export function validateProjectEntity(value: unknown): FreshPayload<Project> | null {
if (!isProject(value)) return null;
const project = value as Project;
return { data: project, workspace: project.userId };
}
+19 -163
View File
@@ -35,7 +35,6 @@ afterEach(async () => {
document.body.replaceChildren();
root = null;
apiMock.mockReset();
sessionStorage.clear();
});
async function renderProjectDetailPage(): Promise<ReturnType<typeof createMemoryRouter>> {
@@ -65,49 +64,21 @@ function clickButtonByText(text: string): void {
button.dispatchEvent(new MouseEvent('click', { bubbles: true }));
}
async function flushAct(): Promise<void> {
await act(async () => {
await Promise.resolve();
});
}
interface Deferred<T> {
promise: Promise<T>;
resolve: (value: T) => void;
}
function createDeferred<T>(): Deferred<T> {
let resolve!: (value: T) => void;
const promise = new Promise<T>((res) => {
resolve = res;
});
return { promise, resolve };
}
const projectOneTasks = taskFixtures.filter((task) => task.projectId === 'project-1');
function mockHealthyLoad(): void {
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockResolvedValueOnce(projectOneTasks);
}
describe('ProjectDetailPage', () => {
it('loads the project, tasks, missions, and optional PRD content for the active project', async () => {
mockHealthyLoad();
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockResolvedValueOnce(taskFixtures.filter((task) => task.projectId === 'project-1'));
await renderProjectDetailPage();
expect(apiMock.mock.calls.map((call) => call[0])).toEqual([
'/api/projects/project-1',
'/api/missions',
'/api/tasks?projectId=project-1',
expect(apiMock.mock.calls).toEqual([
['/api/projects/project-1'],
['/api/missions'],
['/api/tasks?projectId=project-1'],
]);
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
expect(container.textContent).toContain('Mosaic Stack');
expect(container.textContent).toContain('Route /projects/:id');
expect(container.textContent).toContain('Tasks');
@@ -130,7 +101,10 @@ describe('ProjectDetailPage', () => {
});
it('opens and closes the existing read-only task modal from the tasks tab', async () => {
mockHealthyLoad();
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockResolvedValueOnce(taskFixtures.filter((task) => task.projectId === 'project-1'));
await renderProjectDetailPage();
@@ -160,153 +134,35 @@ describe('ProjectDetailPage', () => {
expect(container.querySelector('[role="dialog"]')).toBeNull();
});
it('shows verified completion verdicts when the task collection is current', async () => {
mockHealthyLoad();
await renderProjectDetailPage();
const doneCard = [...container.querySelectorAll('div')].find(
(candidate) => candidate.textContent === 'Done1',
);
expect(doneCard).toBeTruthy();
const inProgressCard = [...container.querySelectorAll('div')].find(
(candidate) => candidate.textContent === 'In Progress1',
);
expect(inProgressCard).toBeTruthy();
});
it('renders an explicit unavailable missions tab when the missions request fails (partial, not empty)', async () => {
it('renders the project with an empty missions tab when the missions request fails', async () => {
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockRejectedValueOnce(new Error('Missions request failed'))
.mockResolvedValueOnce(projectOneTasks);
.mockResolvedValueOnce(taskFixtures.filter((task) => task.projectId === 'project-1'));
await renderProjectDetailPage();
// Secondary failure degrades the surface to partial; the project itself
// still renders.
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'partial',
);
expect(container.textContent).toContain('Mosaic Stack');
const partial = container.querySelector('[role="status"]');
expect(partial?.textContent).toContain('Missions');
expect(partial?.textContent).toContain('unavailable');
expect(container.querySelector('[role="alert"]')).toBeNull();
await act(async () => {
clickButtonByText('Missions (?)');
clickButtonByText('Missions (0)');
});
const alert = container.querySelector('[role="alert"]');
expect(alert?.textContent).toContain('Missions request failed');
// Negative control: a failed fetch must not look like an empty list.
expect(container.textContent).not.toContain('No missions for this project');
expect(container.textContent).toContain('No missions for this project');
});
it('marks derived verdicts unknown when the tasks collection is unavailable', async () => {
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockRejectedValueOnce(new Error('Tasks request failed'));
await renderProjectDetailPage();
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'partial',
);
// Completion verdicts become unknown ('?') — never green counts.
for (const label of ['Done', 'In Progress', 'Blocked', 'Tasks']) {
const unknownCard = [...container.querySelectorAll('div')].find(
(candidate) => candidate.textContent === `${label}?`,
);
expect(unknownCard, `expected ${label} card to render ?`).toBeTruthy();
}
// Negative control: no green "Done 1" verdict anywhere.
expect(
[...container.querySelectorAll('div')].some((candidate) => candidate.textContent === 'Done1'),
).toBe(false);
await act(async () => {
clickButtonByText('Tasks (?)');
});
const alert = container.querySelector('[role="alert"]');
expect(alert?.textContent).toContain('Tasks request failed');
// Negative control: no healthy empty task list from a failed fetch.
expect(container.textContent).not.toContain('No tasks found');
expect(container.querySelector('table')).toBeNull();
});
it('recovers a partial surface to current after revalidation', async () => {
apiMock
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockRejectedValueOnce(new Error('Tasks request failed'))
.mockResolvedValueOnce(projectFixtures[0])
.mockResolvedValueOnce(missionFixtures)
.mockResolvedValueOnce(projectOneTasks);
await renderProjectDetailPage();
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'partial',
);
await act(async () => {
clickButtonByText('Revalidate');
});
await flushAct();
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
expect(
[...container.querySelectorAll('div')].some((candidate) => candidate.textContent === 'Done1'),
).toBe(true);
});
it("never shows one project's data on another project's route after navigation", async () => {
mockHealthyLoad();
const router = await renderProjectDetailPage();
expect(container.textContent).toContain('Mosaic Stack');
const deferred = createDeferred<(typeof projectFixtures)[number]>();
apiMock
.mockResolvedValueOnce(deferred.promise)
.mockResolvedValueOnce([])
.mockResolvedValueOnce([]);
await act(async () => {
await router.navigate('/projects/project-2');
});
// While project-2 loads, nothing from project-1 may render on its route.
expect(container.textContent).toContain('Loading project...');
expect(container.textContent).not.toContain('Mosaic Stack');
expect(container.textContent).not.toContain('Route /projects/:id');
await act(async () => {
deferred.resolve(projectFixtures[1]!);
await deferred.promise;
});
expect(container.textContent).toContain('Agent Runtime');
expect(apiMock.mock.calls[3]?.[0]).toBe('/api/projects/project-2');
});
it('renders a visible unavailable state when the project request fails and lets the user navigate back', async () => {
it('renders a visible alert when the project request fails and lets the user navigate back', async () => {
apiMock
.mockRejectedValueOnce(new Error('Project request failed'))
.mockResolvedValueOnce(missionFixtures)
.mockResolvedValueOnce(projectOneTasks);
.mockResolvedValueOnce(taskFixtures.filter((task) => task.projectId === 'project-1'));
const router = await renderProjectDetailPage();
const alert = container.querySelector('[role="alert"]');
expect(alert).toBeTruthy();
expect(alert?.textContent).toContain('Project request failed');
expect(alert?.textContent).toContain('not an empty result');
expect(container.textContent).not.toContain('Mosaic Stack');
await act(async () => {
+81 -194
View File
@@ -1,30 +1,14 @@
import { useState, type ReactElement } from 'react';
import { useEffect, useState, type ReactElement } from 'react';
import { useNavigate, useParams } from 'react-router-dom';
import { MissionTimeline } from '@/components/projects/mission-timeline';
import { PrdViewer } from '@/components/projects/prd-viewer';
import { TaskDetailModal } from '@/components/tasks/task-detail-modal';
import { TaskListView } from '@/components/tasks/task-list-view';
import { TaskStatusSummary } from '@/components/tasks/task-status-summary';
import {
PartialDataNotice,
StaleDataNotice,
UnavailableDataNotice,
} from '@/components/freshness/freshness-notices';
import { api } from '@/lib/api';
import { cn } from '@/lib/cn';
import type { Mission, Project, Task, TaskStatus } from '@/lib/types';
import {
combineFreshness,
UNKNOWN_VERDICT,
verdictValue,
type FreshSnapshot,
} from '@/lib/freshness/model';
import { describeFailure, useFreshCollection } from '@/lib/freshness/use-fresh-collection';
import {
validateMissionCollection,
validateProjectEntity,
validateTaskCollection,
} from '@/lib/freshness/validators';
import { getErrorMessage } from './page-errors';
type Tab = 'overview' | 'tasks' | 'missions' | 'prd';
@@ -67,75 +51,55 @@ function TabButton({ id, label, activeTab, onClick }: TabButtonProps): ReactElem
);
}
/** Remounts per project id so no state from one project renders for another. */
export function ProjectDetailPage(): ReactElement {
const { id = '' } = useParams();
return <ProjectDetail id={id} key={id} />;
}
function ProjectDetail({ id }: { id: string }): ReactElement {
const navigate = useNavigate();
const enabled = id.length > 0;
// Primary collection gates the surface; missions and tasks are secondaries
// whose failures degrade the surface to `partial` instead of rendering
// empty healthy lists.
const project = useFreshCollection<Project>({
source: `gateway:/api/projects/${id}`,
fetcher: (signal) => api<unknown>(`/api/projects/${id}`, { signal }),
validate: validateProjectEntity,
// No last-known restore: the entity carries workspace identity that
// cannot be scope-checked before display (see ProjectsPage note).
enabled,
});
const missions = useFreshCollection<Mission[]>({
source: 'gateway:/api/missions',
fetcher: (signal) => api<unknown>('/api/missions', { signal }),
validate: validateMissionCollection,
cacheKey: enabled ? 'missions' : null,
enabled,
});
const tasks = useFreshCollection<Task[]>({
source: `gateway:/api/tasks?projectId=${id}`,
fetcher: (signal) => api<unknown>(`/api/tasks?projectId=${id}`, { signal }),
validate: validateTaskCollection,
cacheKey: enabled ? `project-tasks:${id}` : null,
enabled,
});
const [project, setProject] = useState<Project | null>(null);
const [missions, setMissions] = useState<Mission[]>([]);
const [tasks, setTasks] = useState<Task[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [activeTab, setActiveTab] = useState<Tab>('overview');
const [taskFilter, setTaskFilter] = useState<TaskStatus | 'all'>('all');
const [selectedTask, setSelectedTask] = useState<Task | null>(null);
const surface = combineFreshness(project.freshness, [missions.freshness, tasks.freshness]);
const tasksVerified = tasks.freshness === 'current';
const projectMissions = missions.data?.filter((mission) => mission.projectId === id) ?? null;
useEffect(() => {
if (!id) {
setError('Project id is missing.');
setLoading(false);
return;
}
const retryAll = (): void => {
void Promise.all([project.revalidate(), missions.revalidate(), tasks.revalidate()]);
};
let cancelled = false;
setLoading(true);
setError(null);
if (!enabled) {
return (
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 border-b px-1 pb-3">
<h1 className="text-2xl font-semibold">Project</h1>
</header>
<div role="alert" className="rounded-lg border border-error/40 px-4 py-3 text-sm">
Project id is missing.
</div>
<button
type="button"
onClick={() => navigate('/projects')}
className="mt-4 w-fit text-sm underline"
>
Back to projects
</button>
</div>
);
}
void Promise.all([
api<Project>('/api/projects/' + id),
api<Mission[]>('/api/missions').catch(() => [] as Mission[]),
api<Task[]>('/api/tasks?projectId=' + id).catch(() => [] as Task[]),
])
.then(([loadedProject, allMissions, loadedTasks]) => {
if (cancelled) return;
setProject(loadedProject);
setMissions(allMissions.filter((mission) => mission.projectId === id));
setTasks(loadedTasks);
})
.catch((caught: unknown) => {
if (cancelled) return;
setError(getErrorMessage(caught, 'Failed to load project.'));
})
.finally(() => {
if (cancelled) return;
setLoading(false);
});
if (project.freshness === 'unknown') {
return () => {
cancelled = true;
};
}, [id]);
if (loading) {
return (
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 border-b px-1 pb-3">
@@ -146,17 +110,15 @@ function ProjectDetail({ id }: { id: string }): ReactElement {
);
}
if (project.freshness === 'unavailable' || project.data === null) {
if (error || !project) {
return (
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 border-b px-1 pb-3">
<h1 className="text-2xl font-semibold">Project</h1>
</header>
<UnavailableDataNotice
title="This project"
detail={describeFailure(project.failure)}
onRetry={retryAll}
/>
<div role="alert" className="rounded-lg border border-error/40 px-4 py-3 text-sm">
{error ?? 'Project not found.'}
</div>
<button
type="button"
onClick={() => navigate('/projects')}
@@ -168,48 +130,18 @@ function ProjectDetail({ id }: { id: string }): ReactElement {
);
}
const projectTasks = tasks.data ?? null;
const filteredTasks =
projectTasks === null
? []
: taskFilter === 'all'
? projectTasks
: projectTasks.filter((task) => task.status === taskFilter);
// Derived completion verdicts: unknown (never green) unless the task
// collection is verified current.
const doneCount = projectTasks?.filter((task) => task.status === 'done').length ?? 0;
const inProgressCount = projectTasks?.filter((task) => task.status === 'in-progress').length ?? 0;
const blockedCount = projectTasks?.filter((task) => task.status === 'blocked').length ?? 0;
const prdContent = getPrdContent(project.data);
taskFilter === 'all' ? tasks : tasks.filter((task) => task.status === taskFilter);
const prdContent = getPrdContent(project);
const tabs: Array<{ id: Tab; label: string }> = [
{ id: 'overview', label: 'Overview' },
{
id: 'tasks',
label: `Tasks (${projectTasks === null ? UNKNOWN_VERDICT : projectTasks.length})`,
},
{
id: 'missions',
label: `Missions (${projectMissions === null ? UNKNOWN_VERDICT : projectMissions.length})`,
},
{ id: 'tasks', label: `Tasks (${tasks.length})` },
{ id: 'missions', label: `Missions (${missions.length})` },
...(prdContent ? [{ id: 'prd' as const, label: 'PRD' }] : []),
];
const staleSnapshot: FreshSnapshot<unknown> | null =
project.freshness === 'stale'
? project.snapshot
: missions.freshness === 'stale'
? missions.snapshot
: tasks.freshness === 'stale'
? tasks.snapshot
: null;
const missingSections: string[] = [];
if (missions.freshness === 'unavailable') missingSections.push('Missions');
if (tasks.freshness === 'unavailable') missingSections.push('Tasks');
return (
<div data-freshness={surface} className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 border-b px-1 pb-3">
<nav className="mb-4 flex items-center gap-2 text-sm text-text-muted">
<button
@@ -220,64 +152,49 @@ function ProjectDetail({ id }: { id: string }): ReactElement {
Projects
</button>
<span>/</span>
<span className="text-text-primary">{project.data.name}</span>
<span className="text-text-primary">{project.name}</span>
</nav>
<div className="flex items-start justify-between gap-4">
<div>
<div className="flex items-center gap-3">
<h1 className="text-2xl font-semibold text-text-primary">{project.data.name}</h1>
<h1 className="text-2xl font-semibold text-text-primary">{project.name}</h1>
<span
className={cn(
'rounded-full px-2 py-0.5 text-xs',
projectStatusColors[project.data.status] ?? 'bg-gray-600/20 text-gray-400',
projectStatusColors[project.status] ?? 'bg-gray-600/20 text-gray-400',
)}
>
{project.data.status}
{project.status}
</span>
</div>
{project.data.description ? (
<p className="mt-1 text-sm text-text-muted">{project.data.description}</p>
{project.description ? (
<p className="mt-1 text-sm text-text-muted">{project.description}</p>
) : null}
<p className="mt-2 text-xs text-text-muted">
Created {new Date(project.data.createdAt).toLocaleDateString()} · Updated{' '}
{new Date(project.data.updatedAt).toLocaleDateString()}
Created {new Date(project.createdAt).toLocaleDateString()} · Updated{' '}
{new Date(project.updatedAt).toLocaleDateString()}
</p>
</div>
</div>
</header>
{staleSnapshot !== null ? (
<div className="mb-6">
<StaleDataNotice label={staleSnapshot} onRetry={retryAll} />
</div>
) : null}
{missingSections.length > 0 ? (
<div className="mb-6">
<PartialDataNotice missing={missingSections} onRetry={retryAll} />
</div>
) : null}
<div className="mb-6 grid grid-cols-2 gap-3 sm:grid-cols-4">
<StatCard
label="Tasks"
value={projectTasks === null ? UNKNOWN_VERDICT : String(projectTasks.length)}
/>
<StatCard label="Tasks" value={String(tasks.length)} />
<StatCard
label="Done"
value={verdictValue(tasksVerified, String(doneCount))}
valueClass={tasksVerified ? 'text-success' : undefined}
value={String(tasks.filter((task) => task.status === 'done').length)}
valueClass="text-success"
/>
<StatCard
label="In Progress"
value={verdictValue(tasksVerified, String(inProgressCount))}
valueClass={tasksVerified ? 'text-blue-400' : undefined}
value={String(tasks.filter((task) => task.status === 'in-progress').length)}
valueClass="text-blue-400"
/>
<StatCard
label="Blocked"
value={verdictValue(tasksVerified, String(blockedCount))}
valueClass={tasksVerified && blockedCount > 0 ? 'text-error' : undefined}
value={String(tasks.filter((task) => task.status === 'blocked').length)}
valueClass={tasks.some((task) => task.status === 'blocked') ? 'text-error' : undefined}
/>
</div>
@@ -294,43 +211,23 @@ function ProjectDetail({ id }: { id: string }): ReactElement {
</div>
{activeTab === 'overview' ? (
<OverviewTab project={project.data} missions={projectMissions} tasks={projectTasks} />
<OverviewTab project={project} missions={missions} tasks={tasks} />
) : null}
{activeTab === 'tasks' ? (
<div>
{projectTasks === null ? (
<UnavailableDataNotice
title="Tasks"
detail={describeFailure(tasks.failure)}
onRetry={retryAll}
<div className="mb-4">
<TaskStatusSummary
tasks={tasks}
activeFilter={taskFilter}
onFilterChange={setTaskFilter}
/>
) : (
<>
<div className="mb-4">
<TaskStatusSummary
tasks={projectTasks}
activeFilter={taskFilter}
onFilterChange={setTaskFilter}
/>
</div>
<TaskListView tasks={filteredTasks} onTaskClick={setSelectedTask} />
</>
)}
</div>
<TaskListView tasks={filteredTasks} onTaskClick={setSelectedTask} />
</div>
) : null}
{activeTab === 'missions' ? (
projectMissions === null ? (
<UnavailableDataNotice
title="Missions"
detail={describeFailure(missions.failure)}
onRetry={retryAll}
/>
) : (
<MissionTimeline missions={projectMissions} />
)
) : null}
{activeTab === 'missions' ? <MissionTimeline missions={missions} /> : null}
{activeTab === 'prd' && prdContent ? (
<div className="rounded-lg border border-surface-border bg-surface-card p-6">
@@ -351,26 +248,18 @@ function OverviewTab({
tasks,
}: {
project: Project;
missions: Mission[] | null;
tasks: Task[] | null;
missions: Mission[];
tasks: Task[];
}): ReactElement {
const recentTasks =
tasks === null
? null
: [...tasks]
.sort(
(left, right) =>
new Date(right.updatedAt).getTime() - new Date(left.updatedAt).getTime(),
)
.slice(0, 5);
const recentTasks = [...tasks]
.sort((left, right) => new Date(right.updatedAt).getTime() - new Date(left.updatedAt).getTime())
.slice(0, 5);
return (
<div className="grid gap-6 lg:grid-cols-2">
<section>
<h2 className="mb-3 text-sm font-semibold text-text-secondary">Recent Tasks</h2>
{recentTasks === null ? (
<UnavailableDataNotice title="Tasks" />
) : recentTasks.length === 0 ? (
{recentTasks.length === 0 ? (
<div className="rounded-lg border border-surface-border bg-surface-card p-4 text-center">
<p className="text-sm text-text-muted">No tasks yet</p>
</div>
@@ -398,9 +287,7 @@ function OverviewTab({
<section>
<h2 className="mb-3 text-sm font-semibold text-text-secondary">Missions</h2>
{missions === null ? (
<UnavailableDataNotice title="Missions" />
) : missions.length === 0 ? (
{missions.length === 0 ? (
<div className="rounded-lg border border-surface-border bg-surface-card p-4 text-center">
<p className="text-sm text-text-muted">No missions yet</p>
</div>
+3 -69
View File
@@ -51,7 +51,6 @@ afterEach(async () => {
document.body.replaceChildren();
root = null;
apiMock.mockReset();
sessionStorage.clear();
});
async function renderProjectsPage(): Promise<ReturnType<typeof createMemoryRouter>> {
@@ -72,22 +71,6 @@ async function renderProjectsPage(): Promise<ReturnType<typeof createMemoryRoute
return router;
}
function clickButtonByText(text: string): void {
const button = [...container.querySelectorAll('button')].find((candidate) =>
candidate.textContent?.includes(text),
);
if (!button) {
throw new Error(`Button containing "${text}" not found`);
}
button.dispatchEvent(new MouseEvent('click', { bubbles: true }));
}
async function flushAct(): Promise<void> {
await act(async () => {
await Promise.resolve();
});
}
describe('ProjectsPage', () => {
it('shows a visible loading state while the project request is in flight', async () => {
const deferred = createDeferred<typeof projectFixtures>();
@@ -108,7 +91,7 @@ describe('ProjectsPage', () => {
const router = await renderProjectsPage();
expect(apiMock.mock.calls[0]?.[0]).toBe('/api/projects');
expect(apiMock).toHaveBeenCalledWith('/api/projects');
expect(container.textContent).toContain('Mosaic Stack');
expect(container.textContent).toContain('Agent Runtime');
@@ -125,7 +108,7 @@ describe('ProjectsPage', () => {
expect(container.textContent).toContain('Project detail target');
});
it('renders the empty state only for a verified empty collection', async () => {
it('renders the empty state when the API returns no projects', async () => {
apiMock.mockResolvedValueOnce([]);
await renderProjectsPage();
@@ -134,12 +117,9 @@ describe('ProjectsPage', () => {
expect(container.textContent).toContain(
'Projects will appear here when created via the gateway API',
);
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
});
it('renders a failed fetch as an explicit unavailable state, never an empty collection', async () => {
it('renders a visible alert when the projects request fails', async () => {
apiMock.mockRejectedValueOnce(new Error('Projects are unavailable'));
await renderProjectsPage();
@@ -147,51 +127,5 @@ describe('ProjectsPage', () => {
const alert = container.querySelector('[role="alert"]');
expect(alert).toBeTruthy();
expect(alert?.textContent).toContain('Projects are unavailable');
expect(alert?.textContent).toContain('not an empty result');
// Negative controls: no healthy empty state and no project cards render
// from a failed fetch.
expect(container.textContent).not.toContain('No projects yet');
expect(container.textContent).not.toContain('Mosaic Stack');
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'unavailable',
);
});
it('renders an auth failure as unavailable and recovers after retry', async () => {
apiMock
.mockRejectedValueOnce(Object.assign(new Error('Unauthorized'), { statusCode: 401 }))
.mockResolvedValueOnce(projectFixtures);
await renderProjectsPage();
const alert = container.querySelector('[role="alert"]');
expect(alert?.textContent).toContain('Unauthorized');
expect(container.textContent).not.toContain('No projects yet');
await act(async () => {
clickButtonByText('Retry');
});
await flushAct();
expect(container.querySelector('[role="alert"]')).toBeNull();
expect(container.textContent).toContain('Mosaic Stack');
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
});
it('renders a schema-mismatched response as unavailable, never as data', async () => {
apiMock.mockResolvedValueOnce({ results: projectFixtures });
await renderProjectsPage();
const alert = container.querySelector('[role="alert"]');
expect(alert?.textContent).toContain('not an empty result');
expect(container.textContent).not.toContain('Mosaic Stack');
expect(container.textContent).not.toContain('No projects yet');
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'unavailable',
);
});
});
+34 -32
View File
@@ -1,51 +1,53 @@
import { type ReactElement } from 'react';
import { useEffect, useState, type ReactElement } from 'react';
import { useNavigate } from 'react-router-dom';
import { ProjectCard } from '@/components/projects/project-card';
import { StaleDataNotice, UnavailableDataNotice } from '@/components/freshness/freshness-notices';
import { api } from '@/lib/api';
import type { Project } from '@/lib/types';
import { useFreshCollection, describeFailure } from '@/lib/freshness/use-fresh-collection';
import { validateProjectCollection } from '@/lib/freshness/validators';
import { getErrorMessage } from './page-errors';
export function ProjectsPage(): ReactElement {
const navigate = useNavigate();
const projects = useFreshCollection<Project[]>({
source: 'gateway:/api/projects',
fetcher: (signal) => api<unknown>('/api/projects', { signal }),
validate: validateProjectCollection,
// Projects carry workspace identity (userId) that is only knowable from
// the payload itself, so a restored entry cannot be scope-checked before
// display. Conservative choice: no last-known restore for this surface;
// cross-workspace switching is still invalidated at verification time.
});
const retry = (): void => {
void projects.revalidate();
};
const [projects, setProjects] = useState<Project[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
useEffect(() => {
let cancelled = false;
void api<Project[]>('/api/projects')
.then((response) => {
if (cancelled) return;
setProjects(response);
})
.catch((caught: unknown) => {
if (cancelled) return;
setError(getErrorMessage(caught, 'Failed to load projects.'));
})
.finally(() => {
if (cancelled) return;
setLoading(false);
});
return () => {
cancelled = true;
};
}, []);
return (
<div
data-freshness={projects.freshness}
className="flex min-h-screen flex-col px-4 py-6 sm:px-6"
>
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 border-b px-1 pb-3">
<h1 className="text-2xl font-semibold">Projects</h1>
</header>
{projects.freshness === 'stale' && projects.snapshot ? (
<div className="mb-6">
<StaleDataNotice label={projects.snapshot} onRetry={retry} />
{error ? (
<div role="alert" className="mb-6 rounded-lg border border-error/40 px-4 py-3 text-sm">
{error}
</div>
) : null}
{projects.freshness === 'unknown' ? (
{loading ? (
<p className="py-8 text-center text-sm text-text-muted">Loading projects...</p>
) : projects.freshness === 'unavailable' ? (
<UnavailableDataNotice
title="Projects"
detail={describeFailure(projects.failure)}
onRetry={retry}
/>
) : projects.data !== null && projects.data.length === 0 ? (
) : projects.length === 0 ? (
<div className="py-12 text-center">
<h2 className="text-lg font-medium text-text-secondary">No projects yet</h2>
<p className="mt-1 text-sm text-text-muted">
@@ -54,7 +56,7 @@ export function ProjectsPage(): ReactElement {
</div>
) : (
<div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
{(projects.data ?? []).map((project) => (
{projects.map((project) => (
<ProjectCard
key={project.id}
project={project}
+1 -87
View File
@@ -3,9 +3,6 @@ import { createRoot, type Root } from 'react-dom/client';
import { createMemoryRouter, RouterProvider, type RouteObject } from 'react-router-dom';
import { afterAll, afterEach, beforeAll, describe, expect, it, vi } from 'vitest';
import { taskFixtures } from './page-fixtures';
import { acceptSnapshot, DEFAULT_FRESHNESS_POLICY } from '@/lib/freshness/model';
import { writeSnapshotCache } from '@/lib/freshness/snapshot-cache';
import { validateTaskCollection } from '@/lib/freshness/validators';
const { apiMock } = vi.hoisted(() => ({
apiMock: vi.fn(),
@@ -51,7 +48,6 @@ afterEach(async () => {
document.body.replaceChildren();
root = null;
apiMock.mockReset();
sessionStorage.clear();
});
async function renderTasksPage(): Promise<void> {
@@ -76,13 +72,6 @@ function clickButtonByText(text: string): void {
button.dispatchEvent(new MouseEvent('click', { bubbles: true }));
}
/** Flush pending promise callbacks inside the act environment. */
async function flushAct(): Promise<void> {
await act(async () => {
await Promise.resolve();
});
}
describe('TasksPage', () => {
it('shows a visible loading state before the tasks request settles', async () => {
const deferred = createDeferred<typeof taskFixtures>();
@@ -143,7 +132,7 @@ describe('TasksPage', () => {
expect(container.textContent).toContain('Wire list and kanban modal interactions');
});
it('renders a failed fetch as an explicit unavailable state, never an empty healthy board', async () => {
it('renders a visible alert when the tasks request fails', async () => {
apiMock.mockRejectedValueOnce(new Error('Tasks request failed'));
await renderTasksPage();
@@ -151,80 +140,5 @@ describe('TasksPage', () => {
const alert = container.querySelector('[role="alert"]');
expect(alert).toBeTruthy();
expect(alert?.textContent).toContain('Tasks request failed');
expect(alert?.textContent).toContain('not an empty result');
// Negative controls: no board, no healthy empty-state markers, and the
// surface is marked unavailable rather than current.
expect(container.textContent).not.toContain('Not Started');
expect(container.textContent).not.toContain('No tasks');
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'unavailable',
);
});
it('recovers to a current board after retrying a failed fetch', async () => {
apiMock
.mockRejectedValueOnce(new Error('Tasks request failed'))
.mockResolvedValueOnce(taskFixtures);
await renderTasksPage();
expect(container.querySelector('[role="alert"]')).toBeTruthy();
await act(async () => {
clickButtonByText('Retry');
});
await flushAct();
expect(container.querySelector('[role="alert"]')).toBeNull();
expect(container.textContent).toContain('Not Started');
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
});
it('labels restored last-known data as stale with source, version, and age until verified', async () => {
// Seed a last-known snapshot fetched five minutes ago; the page must
// render it only under an explicit staleness label while the fetch is
// still in flight.
const restored = acceptSnapshot({
value: taskFixtures,
validate: validateTaskCollection,
previous: null,
policy: DEFAULT_FRESHNESS_POLICY,
source: 'gateway:/api/tasks',
now: Date.now() - 5 * 60_000,
});
if (restored.outcome !== 'accepted') throw new Error('fixture setup failed');
writeSnapshotCache('tasks', restored.snapshot);
const deferred = createDeferred<typeof taskFixtures>();
apiMock.mockReturnValueOnce(deferred.promise);
await renderTasksPage();
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'stale',
);
const banner = container.querySelector('[role="status"]');
expect(banner?.textContent).toContain('last-known');
expect(banner?.textContent).toContain('may be out of date');
expect(banner?.textContent).toContain('gateway:/api/tasks');
expect(banner?.textContent).toContain('snapshot v1');
expect(banner?.textContent).toContain('5m ago');
// Last-known data still renders as situational awareness under the label.
expect(container.textContent).toContain('Route /tasks');
expect(container.textContent).not.toContain('Loading tasks...');
// Verification lands: the banner clears and the surface becomes current.
await act(async () => {
deferred.resolve(taskFixtures);
await deferred.promise;
});
expect(container.querySelector('[role="status"]')).toBeNull();
expect(container.querySelector('[data-freshness]')?.getAttribute('data-freshness')).toBe(
'current',
);
});
});
+33 -26
View File
@@ -1,32 +1,45 @@
import { useState, type ReactElement } from 'react';
import { useEffect, useState, type ReactElement } from 'react';
import { KanbanBoard } from '@/components/tasks/kanban-board';
import { TaskDetailModal } from '@/components/tasks/task-detail-modal';
import { TaskListView } from '@/components/tasks/task-list-view';
import { StaleDataNotice, UnavailableDataNotice } from '@/components/freshness/freshness-notices';
import { api } from '@/lib/api';
import { cn } from '@/lib/cn';
import type { Task } from '@/lib/types';
import { useFreshCollection, describeFailure } from '@/lib/freshness/use-fresh-collection';
import { validateTaskCollection } from '@/lib/freshness/validators';
import { getErrorMessage } from './page-errors';
type ViewMode = 'list' | 'kanban';
export function TasksPage(): ReactElement {
const tasks = useFreshCollection<Task[]>({
source: 'gateway:/api/tasks',
fetcher: (signal) => api<unknown>('/api/tasks', { signal }),
validate: validateTaskCollection,
cacheKey: 'tasks',
});
const [tasks, setTasks] = useState<Task[]>([]);
const [view, setView] = useState<ViewMode>('kanban');
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [selectedTask, setSelectedTask] = useState<Task | null>(null);
const retry = (): void => {
void tasks.revalidate();
};
useEffect(() => {
let cancelled = false;
void api<Task[]>('/api/tasks')
.then((response) => {
if (cancelled) return;
setTasks(response);
})
.catch((caught: unknown) => {
if (cancelled) return;
setError(getErrorMessage(caught, 'Failed to load tasks.'));
})
.finally(() => {
if (cancelled) return;
setLoading(false);
});
return () => {
cancelled = true;
};
}, []);
return (
<div data-freshness={tasks.freshness} className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<div className="flex min-h-screen flex-col px-4 py-6 sm:px-6">
<header className="mb-6 flex items-center justify-between gap-4 border-b px-1 pb-3">
<h1 className="text-2xl font-semibold">Tasks</h1>
<div className="flex rounded-lg border border-surface-border">
@@ -57,24 +70,18 @@ export function TasksPage(): ReactElement {
</div>
</header>
{tasks.freshness === 'stale' && tasks.snapshot ? (
<div className="mb-6">
<StaleDataNotice label={tasks.snapshot} onRetry={retry} />
{error ? (
<div role="alert" className="mb-6 rounded-lg border border-error/40 px-4 py-3 text-sm">
{error}
</div>
) : null}
{tasks.freshness === 'unknown' ? (
{loading ? (
<p className="py-8 text-center text-sm text-text-muted">Loading tasks...</p>
) : tasks.freshness === 'unavailable' ? (
<UnavailableDataNotice
title="Tasks"
detail={describeFailure(tasks.failure)}
onRetry={retry}
/>
) : view === 'kanban' ? (
<KanbanBoard tasks={tasks.data ?? []} onTaskClick={setSelectedTask} />
<KanbanBoard tasks={tasks} onTaskClick={setSelectedTask} />
) : (
<TaskListView tasks={tasks.data ?? []} onTaskClick={setSelectedTask} />
<TaskListView tasks={tasks} onTaskClick={setSelectedTask} />
)}
{selectedTask ? (
@@ -0,0 +1,73 @@
# 2026-08-17 — Fleet identity, comms delivery, and the ~/.mosaic tree (continuation record)
> **Status:** active continuation record | **Owner:** Jason (rulings) / fleet (delivery) | **Created:** 2026-08-17, sb-it-1-dt session with Jarvis (jarvis-brain)
> **Audience:** the homelab agents continuing this effort tonight. Read this whole file before acting; it supersedes nothing but preserves structure and decisions that must not be lost.
---
## Why this exists
A session on sb-it-1-dt (2026-08-17) produced three architecture decisions (two awaiting Jason's ruling), one incident postmortem (#1295), interim guardrail edits in the user-owned `~/.mosaic/` contract tree, and one new tool (`ensure-watcher.sh`). The work spans jarvis-brain (P0, not retained) and this repo (the product). **This file is the stack-side anchor so continuation does not depend on jarvis-brain surviving.**
## 1. The `~/.mosaic` tree model — as-built, preserve this structure
Three-tree split (this is design intent, not accident; keep it through all framework work):
| Tree | Owner | Rule |
| ------------------- | --------- | ------------------------------------------------------------------------------------------------------------- |
| `~/.config/mosaic/` | framework | upgrade-managed templates; NEVER user-edited; `mosaic upgrade` may overwrite |
| `~/.mosaic/` | user | working contracts, guides, fleet agents; upgrades reconcile with **deny-wins** (user edits never overwritten) |
| repo satellites | repos | bootstrapped per-repo `.mosaic/` state |
As-built inventory of `~/.mosaic` on sb-it-1-dt (2026-08-17):
- **Contract core:** `CONSTITUTION.md` (L0 law), `AGENTS.md` (dispatcher + guide router + Fleet Comms Watcher requirement), `SOUL.md` (generic base for ALL fleet agents, zero persona — includes the new **Fleet Boundaries** section), `STANDARDS.md` (universal standards — includes new **session identity** + **comms watcher hygiene** sections), `SYSTEM.md` (pure communication contract, byte-identical to jarvis-brain's prompt-testing `sr_opus_5_system_prompt.md`), `USER.md`, `TOOLS.md`.
- **`guides/`** — user-owned working copies (E2E-DELIVERY, ORCHESTRATOR(+PROTOCOL,+LEARNINGS), WAKE-DOCTRINE, VAULT-SECRETS, etc.).
- **`fleet/agents/`** — the per-agent store (this is MOSAIC-D-002's substrate, already in use):
- real agent dirs: `fargo/`, `orchestrator/`, `probe/`, `vision/`, `weekly-update/` — shape: `profile.json` (harness/account/overlay pointer) + `overlay.json` + `SOUL.md` (persona) + `scratch/` `work/` `notes/` subdirs (hygiene rules in root SOUL.md)
- `*.env.generated` launch overlays: `luna` `sol` `terra` (carry `MOSAIC_AGENT_NAME`, `_CLASS`, `_RUNTIME`, `_MODEL`, `_REASONING`, `_TOOL_POLICY`) — these are the mosaic-fleet seat launch envs; `inbox.env`, `itops.env` also present
- `probe/` is the validated layout proof: auth-bundle symlink chain, per-agent sessions, plugin-store symlink (from 2026-08-07)
- **`auth/`, `config/`, `memory/`, `plugins/`, `skills/`, `skills-local/`** — per-tree copies/links for runtime isolation.
- Related but outside the tree: watcher units at `~/.config/systemd/user/<agent>-comms-watcher.service`; watcher seen-state at `~/.local/state/comms-watcher-<agent>/`.
## 2. Decisions register (2026-08-17 session)
Full strict records live in jarvis-brain `docs/decisions/mosaic-stack/` (render on its dashboard); both are **Pending Jason's ruling**. Summaries so the content survives P0:
- **MOSAIC-D-001 — SYSTEM.md as canonical harness system prompt.** Static core (Constitution+AGENTS+USER+overlays) in one tracked file; launcher renders dynamic tail (mission/PRD/fleet/persona). Delivery: `--append-system-prompt` (repeatable) for pi/claude; symlinked core file for codex (`$CODEX_HOME/instructions.md`) and opencode (`AGENTS.md`); their dynamic tail via initial prompt (needs live verification). Static-first order is the cache win. `SYSTEM.md` in `~/.mosaic` today is the communication-contract file — D-001's SYSTEM.md is the broader composition; naming to reconcile at implementation.
- **MOSAIC-D-002 — per-agent harness homes + mechanical profiles.** Launch with targeted config-dir env vars (e.g. `PI_CODING_AGENT_DIR=~/.mosaic/fleet/agents/<name>/pi`), NOT literal HOME. SOUL.md identity mechanically generated from roster (single writer; kills the hand-copy drift measured in `agents/vision/SOUL.md` on jarvis-brain: declared Jarvis, answered Vision). Composes: SYSTEM core → per-agent SOUL → dynamic tail. `MOSAIC_AGENT_NAME` stays load-bearing for comms.
- **Comms delivery tooling belongs in the STACK framework, not jarvis-brain** (decided in discussion; supersedes the interim placement). jarvis-brain keeps only the transport _data_ (`comms/` tree) while it lives. Agents launch from their own repos (terra from `~/src/stack` etc.) — delivery is transport-repo-relative, so this works; but every installed watcher unit's ExecStart currently points into `~/src/jarvis-brain/scripts/` — that dependency is the P0 trap to remove. Migration = move tools + regenerate units, in one step.
- **Watcher provisioning is instantiation duty, never running-agent duty.** Interim landed as jarvis-brain `scripts/comms/ensure-watcher.sh` (idempotent ensure + `--status` boot check + interim identity warnings: missing target session, pane `MOSAIC_AGENT_NAME` mismatch via `/proc/<child>/environ`, bare-runtime NOTE). Framework move: fold into `mosaic agent --new` + fleet launch + `mosaic doctor` drift check.
- **Prose guardrails landed (interim fences until mechanical fixes):** `~/.mosaic/SOUL.md` Fleet Boundaries (wrong-session tripwire; comms ownership; cross-agent investigation requires tasking) · `STANDARDS.md` session identity + watcher hygiene · `AGENTS.md` Fleet Comms Watcher requirement (P0-interim script path marked transitional).
## 3. Incident → #1295 (already tracked here)
`https://git.mosaicstack.dev/mosaicstack/stack/issues/1295` — docs-seat incident: cwd-keyed session files served three lives (dev chat → goals seat → 22 watcher injections into a wedged process); name-based watcher delivery with no identity verification; wedge after pi 0.84.1→0.84.2 update passes every liveness instrument. Proposed fixes enumerated there; provisioning follow-up in comment ID 23027.
## 4. Open work queue (suggested sequence)
1. **Comms tooling migration PR** (lane `next`): move `comms-watcher.sh`, `install-watcher.sh`, `ensure-watcher.sh` into the framework tree → deploy `~/.config/mosaic/tools/comms/`; regenerate existing units' ExecStart to framework paths (one-command sweep); keep `COMMS_WATCH_REPO` per-host config (points at a brain checkout until the queue transport lands). Reference: jarvis-brain commit `701c353b1`.
2. **Ensure-on-instantiation**: `mosaic agent --new` / fleet launch call ensure semantics; `mosaic doctor` gains the drift check (`--status --all` semantics + `fred`'s hand-written unit as the known drift case; also note daphne/docs/happy/pepper/sanity/tiny/fargo currently have no watcher — cover or consciously exempt).
3. **MOSAIC-D-002 implementation** (after ruling): per-agent homes via targeted env vars; roster-generated SOUL.md single-writer; extend the existing `*.env.generated` pattern; launch ledger keeps `config_home` audit.
4. **MOSAIC-D-001 implementation** (after ruling): SYSTEM.md sourcing + per-harness delivery + `compose-contract` becomes render-core+tail with drift check; bench cache-ordering before/after (jarvis-brain `domains/software-dev/mosaic-stack/prompt-testing` has the bench).
5. **Queue transport + forced separation** (longer term): supersedes watcher path; identity-verification and wedge-detection remain valid regardless of transport.
6. **Docs inheritance**: jarvis-brain AGENTS.md's durable comms guidance (E7 pi-glyph delivery gotchas, capture-pane rules, comms protocol) must be inherited into stack docs before P0 retirement.
## 5. Rules for tonight's agents
- Lane: **`next`** only; nothing to `main` without Jason (standing ruling).
- Attribution caveat #1280: Gitea/git identity from this host may misattribute (issue #1295 showed as created by `@mos-dt-0`); prefer per-invocation `git -c user.name=<seat>` and verify what the remote recorded.
- Do not delete `sb-it-1-dt:docs]` (untracked file at repo root) — it is cited fleet-wide as incident evidence.
- Edit user contracts in `~/.mosaic/`, never the templates in `~/.config/mosaic/`.
- Do not restart other fleet seats unilaterally (goals/scrappy/sanity restart decisions are fred's/Jason's per the docs-seat report).
## 6. Artifact map
| Artifact | Where |
| ------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------ |
| Decision records D-001/D-002 (strict, pending ruling) | jarvis-brain `docs/decisions/mosaic-stack/2026-08-17_mosaic-d-00{1,2}_*.md` |
| Incident issue + provisioning comment | stack #1295 + comment 23027 |
| ensure-watcher.sh (reference implementation) | jarvis-brain `scripts/comms/ensure-watcher.sh` (commit `701c353b1`) |
| Bench for prompt A/B (pi, thinking levels, footer-token semantics) | jarvis-brain `domains/software-dev/mosaic-stack/prompt-testing/` + `docs/reports/2026-08-17-prompt-testing-glm-bench.md` |
| Launcher inspection basis | `@mosaicstack/mosaic` 0.0.49 `dist/commands/launch.js` (composeContract / ensureRuntimeConfig / harness-home isolation) |
| Guardrail edits | `~/.mosaic/{SOUL,AGENTS,STANDARDS}.md` on sb-it-1-dt (2026-08-17 16:5317:04) |