feat(carwash): entry-stream sampling for the review outbox; park-2 wired to the collector

The wash stream is small; the entry camera photographs every car in exactly the view the
classifier is trained on. The booth can now queue entry vehicle reads as pure training
material — crop + the camera's class, no order, no operator, no category.

- Core announces every vehicle read (deviceEvents.emitVehicleRead from snapshot.ts); the
  Car Wash module listens, samples entry reads in-process (sampleEntry: exactly one in N)
  and queues them (enqueueEntry). CARWASH_REVIEW_ENTRY_SAMPLE=N; 1 = every entry (storage
  and bandwidth are not the limit — user); 0/unset = off. Forwarded by compose.
- Packages carry kind: "wash" | "entry". Collector: kind column, entry meta validated
  without the operator fields, review screen shows an entry sample as such, export has a
  kind column, operator agreement computed from wash items only. Setup line shows
  "1 in N entries sampled"; status carries entrySample.
- komodo: park-2's four review lines enabled (collector URL by Netbird DNS name, booth-2,
  the shared per-booth secret, every entry sampled) — the collector is up on the overlay.
- Tests on both sides. Wiki: vision-review-outbox (entry stream + the internet-feed
  assessment), log.

Claude-Session: https://claude.ai/code/session_01FWncR69HgGPuei1dLrW3cU

apps/collector/src/app.test.ts

@@ -109,8 +109,8 @@ describe("review + export", () => {
 
     const stats = (await app.inject({ method: "GET", url: "/api/stats", headers: { authorization: basic } })).json();
     expect(stats.booths).toEqual([
-      { booth: "booth-7", received: 2, pending: 0, reviewed: 2 },
+      { booth: "booth-7", received: 2, pending: 0, reviewed: 2, entries: 0 },
-      { booth: "booth-9", received: 1, pending: 0, reviewed: 1 },
+      { booth: "booth-9", received: 1, pending: 0, reviewed: 1, entries: 0 },
     ]);
     expect(stats.operators).toEqual([
       { booth: "booth-7", operatorRef: "ab12cd34ef56ab12", reviewed: 2, agree: 1, disagree: 1, unusable: 0 },
@@ -120,9 +120,21 @@ describe("review + export", () => {
     const csv = await app.inject({ method: "GET", url: "/export/labels.csv", headers: { authorization: basic } });
     expect(csv.statusCode).toBe(200);
     const lines = csv.body.trim().split("\n");
-    expect(lines[0]).toBe("item,booth,path,label,operator_category,operator_classes,vision_class,vision_confidence,downgraded,at,reviewed_at");
+    expect(lines[0]).toBe("item,booth,kind,path,label,operator_category,operator_classes,vision_class,vision_confidence,downgraded,at,reviewed_at");
     expect(lines).toHaveLength(3); // header + 2 usable labels; the unusable one is left out
-    expect(lines[1]).toContain('"item-1","booth-7","crops/booth-7/item-1.jpg","suv","Vetura","car|sedan|hatchback","suv"');
+    expect(lines[1]).toContain('"item-1","booth-7","wash","crops/booth-7/item-1.jpg","suv","Vetura","car|sedan|hatchback","suv"');
+
+    // An ENTRY sample: no order, no operator — accepted, reviewable, in the export, and
+    // never counted in any operator's agreement.
+    const entry = await ingest({ v: 1, kind: "entry", booth: "booth-7", item: "entry-1", at: "2026-09-06T11:00:00.000Z", vision: { class: "car", confidence: 0.7 }, image: { width: 300, height: 180, plateBlurred: true } });
+    expect(entry.statusCode).toBe(201);
+    expect((await ingest({ v: 1, kind: "entry", booth: "booth-7", item: "entry-2", at: "x", vision: { class: "car", confidence: 0.7 }, image: { width: 1, height: 1, plateBlurred: true } })).statusCode).toBe(422);
+    expect((await post("entry-1", "suv")).statusCode).toBe(200);
+    const stats2 = (await app.inject({ method: "GET", url: "/api/stats", headers: { authorization: basic } })).json();
+    expect(stats2.booths[0]).toEqual({ booth: "booth-7", received: 3, pending: 0, reviewed: 3, entries: 1 });
+    expect(stats2.operators.find((o: { booth: string }) => o.booth === "booth-7")).toMatchObject({ reviewed: 2, agree: 1, disagree: 1 });
+    const csv3 = (await app.inject({ method: "GET", url: "/export/labels.csv", headers: { authorization: basic } })).body;
+    expect(csv3).toContain('"entry-1","booth-7","entry","crops/booth-7/entry-1.jpg","suv","","","car"');
 
     // A booth-supplied name that looks like a spreadsheet formula is neutralised in the export.
     await ingest(meta({ item: "item-4", operatorCategory: { id: "x", name: "=HYPERLINK(\"http://evil\")", classes: ["car"] } }));

apps/collector/src/app.ts

@@ -20,15 +20,18 @@ import { reviewPage } from "./review-page.js";
 /** The package's `meta` part, as the booth sends it (review-outbox.ts). */
 interface IngestMeta {
   v: number;
+  /** "wash" (default when absent) = a desk decision; "entry" = a sampled entry read with
+   *  no order and no operator — crop + the camera's class only. */
+  kind?: "wash" | "entry";
   booth: string;
   item: string;
-  order: string;
+  order?: string;
   at: string;
-  operator: string;
+  operator?: string;
-  operatorCategory: { id: string; name: string; classes?: string[] };
+  operatorCategory?: { id: string; name: string; classes?: string[] };
-  service: string;
+  service?: string;
-  vision: { class: string; confidence: number; categoryId: string | null };
+  vision: { class: string; confidence: number; categoryId?: string | null };
-  downgraded: boolean;
+  downgraded?: boolean;
   image: { width: number; height: number; plateBlurred: boolean };
 }
 
@@ -46,17 +49,21 @@ function checkMeta(m: unknown, booth: string): { ok: true; meta: IngestMeta } |
   if (x.v !== 1) return { ok: false, why: "unsupported meta version" };
   if (x.booth !== booth) return { ok: false, why: "meta.booth does not match the token's booth" };
   if (!str(x.item, 64) || !ID_RE.test(x.item as string)) return { ok: false, why: "bad item id" };
-  if (!str(x.order, 64)) return { ok: false, why: "bad order ref" };
   if (!str(x.at, 40) || Number.isNaN(Date.parse(x.at as string))) return { ok: false, why: "bad timestamp" };
-  if (!str(x.operator, 64)) return { ok: false, why: "bad operator ref" };
+  const kind = x.kind === undefined ? "wash" : x.kind;
-  const oc = x.operatorCategory as Record<string, unknown> | undefined;
+  if (kind !== "wash" && kind !== "entry") return { ok: false, why: "bad kind" };
-  if (!oc || !str(oc.id, 64) || !str(oc.name, 120)) return { ok: false, why: "bad operatorCategory" };
-  if (oc.classes !== undefined && (!Array.isArray(oc.classes) || !oc.classes.every(isVehicleClass))) return { ok: false, why: "bad operatorCategory.classes" };
-  if (!str(x.service, 120)) return { ok: false, why: "bad service" };
   const v = x.vision as Record<string, unknown> | undefined;
   if (!v || !isVehicleClass(v.class) || typeof v.confidence !== "number" || v.confidence < 0 || v.confidence > 1) return { ok: false, why: "bad vision read" };
   if (v.categoryId != null && !str(v.categoryId, 64)) return { ok: false, why: "bad vision.categoryId" };
-  if (typeof x.downgraded !== "boolean") return { ok: false, why: "bad downgraded" };
+  if (kind === "wash") {
+    if (!str(x.order, 64)) return { ok: false, why: "bad order ref" };
+    if (!str(x.operator, 64)) return { ok: false, why: "bad operator ref" };
+    const oc = x.operatorCategory as Record<string, unknown> | undefined;
+    if (!oc || !str(oc.id, 64) || !str(oc.name, 120)) return { ok: false, why: "bad operatorCategory" };
+    if (oc.classes !== undefined && (!Array.isArray(oc.classes) || !oc.classes.every(isVehicleClass))) return { ok: false, why: "bad operatorCategory.classes" };
+    if (!str(x.service, 120)) return { ok: false, why: "bad service" };
+    if (typeof x.downgraded !== "boolean") return { ok: false, why: "bad downgraded" };
+  }
   const im = x.image as Record<string, unknown> | undefined;
   if (!im || typeof im.width !== "number" || typeof im.height !== "number" || typeof im.plateBlurred !== "boolean") return { ok: false, why: "bad image meta" };
   return { ok: true, meta: x as unknown as IngestMeta };
@@ -148,16 +155,18 @@ export async function buildCollector(cfg: CollectorConfig, opts: { dbFile?: stri
     const rel = path.posix.join("crops", booth, `${meta.item}.jpg`);
     await mkdir(path.join(cfg.dataDir, "crops", booth), { recursive: true });
     await writeFile(path.join(cfg.dataDir, rel), image);
+    const kind = meta.kind ?? "wash";
     db.insert({
       id: meta.item,
       booth,
-      orderRef: meta.order,
+      kind,
+      orderRef: meta.order ?? "",
       at: meta.at,
-      operatorRef: meta.operator,
+      operatorRef: meta.operator ?? "",
-      operatorCategoryId: meta.operatorCategory.id,
+      operatorCategoryId: meta.operatorCategory?.id ?? "",
-      operatorCategoryName: meta.operatorCategory.name,
+      operatorCategoryName: meta.operatorCategory?.name ?? "",
-      operatorClasses: JSON.stringify(meta.operatorCategory.classes ?? []),
+      operatorClasses: JSON.stringify(meta.operatorCategory?.classes ?? []),
-      service: meta.service,
+      service: meta.service ?? "",
       visionClass: meta.vision.class,
       visionConfidence: meta.vision.confidence,
       visionCategoryId: meta.vision.categoryId ?? null,
@@ -168,7 +177,7 @@ export async function buildCollector(cfg: CollectorConfig, opts: { dbFile?: stri
       imagePath: rel,
       receivedAt: new Date().toISOString(),
     });
-    req.log.info(`ingest: ${booth} item ${meta.item} (${meta.vision.class} → ${meta.operatorCategory.name})`);
+    req.log.info(`ingest: ${booth} ${kind} ${meta.item} (${meta.vision.class}${kind === "wash" ? ` → ${meta.operatorCategory!.name}` : ""})`);
     return reply.code(201).send({ ok: true });
   });
 
@@ -214,9 +223,9 @@ export async function buildCollector(cfg: CollectorConfig, opts: { dbFile?: stri
       if (/^[=+\-@\t\r]/.test(v)) v = `'${v}`;
       return `"${v.replace(/"/g, '""')}"`;
     };
-    const head = "item,booth,path,label,operator_category,operator_classes,vision_class,vision_confidence,downgraded,at,reviewed_at";
+    const head = "item,booth,kind,path,label,operator_category,operator_classes,vision_class,vision_confidence,downgraded,at,reviewed_at";
     const lines = rows.map((r) =>
-      [r.id, r.booth, r.imagePath, r.reviewLabel, r.operatorCategoryName, JSON.parse(r.operatorClasses).join("|"), r.visionClass, r.visionConfidence, r.downgraded, r.at, r.reviewedAt].map(q).join(","),
+      [r.id, r.booth, r.kind, r.imagePath, r.reviewLabel, r.operatorCategoryName, JSON.parse(r.operatorClasses).join("|"), r.visionClass, r.visionConfidence, r.downgraded, r.at, r.reviewedAt].map(q).join(","),
     );
     return reply.type("text/csv; charset=utf-8").header("content-disposition", 'attachment; filename="labels.csv"').send([head, ...lines].join("\n") + "\n");
   });

apps/collector/src/db.ts

@@ -9,6 +9,9 @@ import type { VehicleClass } from "@parking/shared";
 export interface ItemRow {
   id: string;
   booth: string;
+  /** "wash" = a desk decision (operator fields set); "entry" = a sampled entry read (pure
+   *  training material: crop + the camera's class, operator fields empty). */
+  kind: "wash" | "entry";
   orderRef: string;
   at: string;
   operatorRef: string;
@@ -44,11 +47,12 @@ export class CollectorDb {
       CREATE TABLE IF NOT EXISTS items (
         id TEXT PRIMARY KEY,
         booth TEXT NOT NULL,
+        kind TEXT NOT NULL DEFAULT 'wash',
         order_ref TEXT NOT NULL,
         at TEXT NOT NULL,
-        operator_ref TEXT NOT NULL,
+        operator_ref TEXT NOT NULL DEFAULT '',
-        operator_category_id TEXT NOT NULL,
+        operator_category_id TEXT NOT NULL DEFAULT '',
-        operator_category_name TEXT NOT NULL,
+        operator_category_name TEXT NOT NULL DEFAULT '',
         operator_classes TEXT NOT NULL DEFAULT '[]',
         service TEXT NOT NULL,
         vision_class TEXT NOT NULL,
@@ -77,6 +81,7 @@ export class CollectorDb {
     return {
       id: r.id as string,
       booth: r.booth as string,
+      kind: r.kind === "entry" ? "entry" : "wash",
       orderRef: r.order_ref as string,
       at: r.at as string,
       operatorRef: r.operator_ref as string,
@@ -107,10 +112,10 @@ export class CollectorDb {
   insert(row: Omit<ItemRow, "reviewLabel" | "reviewedAt" | "reviewer">): void {
     this.#db
       .prepare(
-        `INSERT INTO items (id, booth, order_ref, at, operator_ref, operator_category_id, operator_category_name,
+        `INSERT INTO items (id, booth, kind, order_ref, at, operator_ref, operator_category_id, operator_category_name,
            operator_classes, service, vision_class, vision_confidence, vision_category_id, downgraded,
            image_width, image_height, plate_blurred, image_path, received_at)
-         VALUES (@id, @booth, @orderRef, @at, @operatorRef, @operatorCategoryId, @operatorCategoryName,
+         VALUES (@id, @booth, @kind, @orderRef, @at, @operatorRef, @operatorCategoryId, @operatorCategoryName,
            @operatorClasses, @service, @visionClass, @visionConfidence, @visionCategoryId, @downgraded,
            @imageWidth, @imageHeight, @plateBlurred, @imagePath, @receivedAt)`,
       )
@@ -142,19 +147,21 @@ export class CollectorDb {
    *  reviewer's class fell inside the operator's chosen category (agree) or outside
    *  (disagree) — the honest-mistake / fraud rate the outbox exists for. */
   stats(): {
-    booths: { booth: string; received: number; pending: number; reviewed: number }[];
+    booths: { booth: string; received: number; pending: number; reviewed: number; entries: number }[];
     operators: { booth: string; operatorRef: string; reviewed: number; agree: number; disagree: number; unusable: number }[];
   } {
     const booths = this.#db
       .prepare(
         `SELECT booth, COUNT(*) AS received,
                 SUM(CASE WHEN reviewed_at IS NULL THEN 1 ELSE 0 END) AS pending,
-                SUM(CASE WHEN reviewed_at IS NOT NULL THEN 1 ELSE 0 END) AS reviewed
+                SUM(CASE WHEN reviewed_at IS NOT NULL THEN 1 ELSE 0 END) AS reviewed,
+                SUM(CASE WHEN kind = 'entry' THEN 1 ELSE 0 END) AS entries
          FROM items GROUP BY booth ORDER BY booth`,
       )
-      .all() as { booth: string; received: number; pending: number; reviewed: number }[];
+      .all() as { booth: string; received: number; pending: number; reviewed: number; entries: number }[];
+    // Operator agreement is a WASH thing — an entry sample has no operator decision.
     const reviewed = this.#db
-      .prepare("SELECT booth, operator_ref, operator_classes, review_label FROM items WHERE reviewed_at IS NOT NULL")
+      .prepare("SELECT booth, operator_ref, operator_classes, review_label FROM items WHERE reviewed_at IS NOT NULL AND kind = 'wash'")
       .all() as { booth: string; operator_ref: string; operator_classes: string; review_label: string }[];
     const ops = new Map<string, { booth: string; operatorRef: string; reviewed: number; agree: number; disagree: number; unusable: number }>();
     for (const r of reviewed) {

apps/collector/src/review-page.ts

@@ -80,10 +80,13 @@ async function next() {
   el.innerHTML =
     '<img src="/api/items/' + encodeURIComponent(it.id) + '/image" alt="">' +
     '<dl style="margin-top:.8rem">' +
-      '<dt>operator chose</dt><dd><b>' + esc(it.operatorCategoryName) + '</b> <span class="muted">(' + esc(opClasses.join(', ') || 'no classes mapped') + ')</span></dd>' +
+      (it.kind === 'entry'
+        ? '<dt>sample</dt><dd><span class="muted">entry stream — no wash, no operator decision; label the vehicle</span></dd>'
+        : '<dt>operator chose</dt><dd><b>' + esc(it.operatorCategoryName) + '</b> <span class="muted">(' + esc(opClasses.join(', ') || 'no classes mapped') + ')</span></dd>') +
       '<dt>camera saw</dt><dd class="mono">' + esc(it.visionClass) + ' <span class="muted">' + Math.round(it.visionConfidence * 100) + '%</span>' + (it.downgraded ? ' <span class="warn">flagged downgrade at the booth</span>' : '') + '</dd>' +
-      '<dt>service</dt><dd>' + esc(it.service) + '</dd>' +
+      (it.kind === 'entry' ? '<dt>booth</dt><dd class="mono">' + esc(it.booth) + '</dd>' :
-      '<dt>booth · operator</dt><dd class="mono">' + esc(it.booth) + ' · ' + esc(it.operatorRef) + '</dd>' +
+        '<dt>service</dt><dd>' + esc(it.service) + '</dd>' +
+        '<dt>booth · operator</dt><dd class="mono">' + esc(it.booth) + ' · ' + esc(it.operatorRef) + '</dd>') +
       '<dt>at</dt><dd>' + esc(it.at) + '</dd>' +
     '</dl>' +
     '<div class="buttons" style="margin-top:.8rem">' +

apps/server/.env.example

@@ -99,3 +99,8 @@ WS_ALLOWED_ORIGINS=http://localhost:5173,tauri://localhost,http://tauri.localhos
 # CARWASH_REVIEW_TOKEN=
 # CARWASH_REVIEW_BOOTH_ID=
 # CARWASH_REVIEW_INTERVAL_SEC=60
+# Entry-stream sampling: also queue one in N ENTRY vehicle reads (no wash, no operator) as
+# pure training material in the gate view — many times the wash stream, zero domain shift.
+# 1 = every entry (the reviewer labels what they have time for; the rest waits and stays
+# useful), N = one in N, 0/unset = off. Needs the three settings above.
+# CARWASH_REVIEW_ENTRY_SAMPLE=1

apps/server/src/device-events.ts

@@ -1,6 +1,7 @@
 import { EventEmitter } from "node:events";
 import type { PrinterStatus } from "@parking/devices";
 import type { LedgerEventRow } from "@parking/db";
+import type { VehicleRead } from "@parking/shared";
 
 // Internal event bus for device-originated events (button presses, etc.).
 // Hardware drivers / inbound device pushes emit here; business logic (entry
@@ -105,6 +106,17 @@ export interface PlateRecognizedEvent {
   readonly direction: "entry" | "exit";
 }
 
+/** Emitted when vision classified the vehicle in an entry/exit frame (advisory; stored on
+ *  the read row like the plate). A module may sample these — the Car Wash review outbox
+ *  queues one in N ENTRY reads for the remote reviewer, in the gate view the classifier
+ *  will be trained on (wiki/concepts/vision-review-outbox.md). The core emits; it never
+ *  knows who listens. */
+export interface VehicleReadEvent {
+  readonly identity: string;
+  readonly direction: "entry" | "exit";
+  readonly read: VehicleRead;
+}
+
 /** Per-lane RADAR presence — a vehicle-presence INPUT (loop/radar) is shorted at the
  *  entry/exit barrier, i.e. "something is in the lane vicinity" BEFORE the camera has
  *  confirmed a vehicle. Same signal that makes the physical button lamp (relay 3) blink:
@@ -197,6 +209,13 @@ class DeviceEventBus extends EventEmitter {
     this.on("plate-recognized", cb);
     return () => this.off("plate-recognized", cb);
   }
+  emitVehicleRead(event: VehicleReadEvent): void {
+    this.emit("vehicle-read", event);
+  }
+  onVehicleRead(cb: (event: VehicleReadEvent) => void): () => void {
+    this.on("vehicle-read", cb);
+    return () => this.off("vehicle-read", cb);
+  }
 }
 
 /** Process-wide device event bus. */

apps/server/src/modules/carwash/index.ts

@@ -1,3 +1,4 @@
+import { deviceEvents } from "../../device-events.js";
 import type { ServerModule } from "../index.js";
 import { ReviewOutbox, reviewUploadConfigFromEnv } from "./review-outbox.js";
 import { carwashRoutes } from "./routes.js";
@@ -18,6 +19,13 @@ export const carwashModule: ServerModule = {
     const outbox = new ReviewOutbox(deps.db, app.log, cfg);
     app.log.info(cfg ? `carwash review upload: on → ${new URL(cfg.url).host} as ${cfg.boothId}` : "carwash review upload: off");
     outbox.start();
+    // Entry-stream sampling: one in N entry vehicle reads goes to the reviewer as pure
+    // training material (the gate view, no order attached). The core announces the read;
+    // the module decides. Off unless CARWASH_REVIEW_ENTRY_SAMPLE is set.
+    const offVehicleRead = deviceEvents.onVehicleRead((e) => {
+      if (e.direction === "entry" && outbox.sampleEntry()) void outbox.enqueueEntry(e.read);
+    });
+    app.addHook("onClose", async () => offVehicleRead());
     app.addHook("onClose", async () => outbox.stop());
     const service = new CarwashService(deps, app.log, outbox);
     // A wash ordered with payAt = "booth" is a charge line on the parking settlement;

apps/server/src/modules/carwash/review-outbox.test.ts

@@ -3,6 +3,7 @@ import sharp from "sharp";
 import { createTestDb } from "@parking/db/testing";
 import { carwashOrders, carwashReviewOutbox, deviceEvents, snapshots, type Db } from "@parking/db";
 import type { FastifyInstance } from "fastify";
+import { deviceEvents as deviceEventBus } from "../../device-events.js";
 import { buildServer } from "../../server.js";
 import { login, makeLog, minutesAgo, seedTariff, seedUser, silentLogger } from "../../test-helpers.js";
 import { EXPIRE_DAYS, ReviewOutbox, makeReviewCrop, operatorRef, reviewUploadConfigFromEnv } from "./review-outbox.js";
@@ -81,7 +82,7 @@ describe("queue + drain", () => {
   });
   afterEach(() => close());
 
-  const cfg = { url: "https://collector.overlay/ingest", token: "secret-1", boothId: "booth-7", intervalSec: 60 };
+  const cfg = { url: "https://collector.overlay/ingest", token: "secret-1", boothId: "booth-7", intervalSec: 60, entrySample: 0 };
   const read = { bodyType: "car" as const, confidence: 0.86, snapshotId: "snap-1", box: CAR, plateBox: PLATE };
   const item = { orderId: "o-1", createdAt: "2026-09-06T10:00:00.000Z", createdBy: "lavazhier", categoryId: "car", categoryName: "Vetura", categoryClasses: ["car", "sedan"], serviceName: "Standard", visionCategoryId: "car", downgraded: false };
 
@@ -105,7 +106,7 @@ describe("queue + drain", () => {
     const row = db.select().from(carwashReviewOutbox).all()[0]!;
     expect(row.status).toBe("queued");
     expect(row.image!.length).toBeGreaterThan(500);
-    expect(row.payload).toMatchObject({ v: 1, booth: "booth-7", order: "o-1", operatorCategory: { id: "car", name: "Vetura", classes: ["car", "sedan"] }, vision: { class: "car", confidence: 0.86 }, downgraded: false, image: { plateBlurred: true } });
+    expect(row.payload).toMatchObject({ v: 1, kind: "wash", booth: "booth-7", order: "o-1", operatorCategory: { id: "car", name: "Vetura", classes: ["car", "sedan"] }, vision: { class: "car", confidence: 0.86 }, downgraded: false, image: { plateBlurred: true } });
     expect(JSON.stringify(row.payload)).not.toContain("lavazhier");
 
     expect(await ob.drain()).toEqual({ sent: 1, failed: 0, deferred: 0 });
@@ -159,6 +160,18 @@ describe("queue + drain", () => {
     expect(fetchFn.mock.calls.length).toBe(before);
     expect(ob.status().failed).toBe(3);
 
+    // Entry sampling: one in N entry reads becomes a package with the crop and the
+    // camera's class only — no order, no operator, no category.
+    const sampler = new ReviewOutbox(db, silentLogger(), { ...cfg, entrySample: 3 }, fetchFn);
+    expect([sampler.sampleEntry(), sampler.sampleEntry(), sampler.sampleEntry(), sampler.sampleEntry()]).toEqual([false, false, true, false]);
+    expect(ob.sampleEntry()).toBe(false); // entrySample 0 = off
+    expect(await sampler.enqueueEntry(read)).toBe(true);
+    const entryRow = db.select().from(carwashReviewOutbox).where(eq(carwashReviewOutbox.orderId, "entry:snap-1")).get()!;
+    expect(entryRow.payload).toMatchObject({ v: 1, kind: "entry", booth: "booth-7", vision: { class: "car", confidence: 0.86 }, image: { plateBlurred: true } });
+    expect(entryRow.payload).not.toHaveProperty("operator");
+    expect(entryRow.payload).not.toHaveProperty("operatorCategory");
+    expect(entryRow.image!.length).toBeGreaterThan(500);
+
     // No vehicle box, no snapshot, or upload off → nothing queued.
     expect(await ob.enqueue(item, { ...read, box: null })).toBe(false);
     expect(await ob.enqueue(item, { ...read, snapshotId: "gone" })).toBe(false);
@@ -178,6 +191,7 @@ describe("through the app", () => {
     process.env.CARWASH_REVIEW_URL = "https://collector.overlay/ingest";
     process.env.CARWASH_REVIEW_TOKEN = "tok";
     process.env.CARWASH_REVIEW_BOOTH_ID = "booth-9";
+    process.env.CARWASH_REVIEW_ENTRY_SAMPLE = "1";
     const t = createTestDb();
     db = t.db;
     close = t.close;
@@ -187,7 +201,7 @@ describe("through the app", () => {
   afterEach(async () => {
     await app.close();
     close();
-    for (const k of ["CARWASH_REVIEW_URL", "CARWASH_REVIEW_TOKEN", "CARWASH_REVIEW_BOOTH_ID"]) {
+    for (const k of ["CARWASH_REVIEW_URL", "CARWASH_REVIEW_TOKEN", "CARWASH_REVIEW_BOOTH_ID", "CARWASH_REVIEW_ENTRY_SAMPLE"]) {
       if (saved[k] === undefined) delete process.env[k];
       else process.env[k] = saved[k];
     }
@@ -214,6 +228,14 @@ describe("through the app", () => {
     // Enqueue is fire-and-forget: give the crop a moment.
     await vi.waitFor(() => expect(db.select().from(carwashReviewOutbox).all()).toHaveLength(1));
     const status = (await app.inject({ method: "GET", url: "/api/carwash/review/status", headers: { cookie: a.cookie } })).json();
-    expect(status).toMatchObject({ enabled: true, boothId: "booth-9", queued: 1, sent: 0 });
+    expect(status).toMatchObject({ enabled: true, boothId: "booth-9", queued: 1, sent: 0, entrySample: 1 });
+
+    // An ENTRY vehicle read announced by the core (snapshot.ts) is sampled by the module
+    // (1 in 1 here) into an entry package; an exit read is not.
+    deviceEventBus.emitVehicleRead({ identity: "T-X", direction: "exit", read: { bodyType: "car", confidence: 0.8, snapshotId: "snap-r", box: CAR, plateBox: PLATE } });
+    deviceEventBus.emitVehicleRead({ identity: "T-R", direction: "entry", read: { bodyType: "car", confidence: 0.8, snapshotId: "snap-r", box: CAR, plateBox: PLATE } });
+    await vi.waitFor(() => expect(db.select().from(carwashReviewOutbox).all()).toHaveLength(2));
+    const rows = db.select().from(carwashReviewOutbox).all();
+    expect(rows.map((r) => (r.payload as { kind: string }).kind).sort()).toEqual(["entry", "wash"]);
   });
 });

apps/server/src/modules/carwash/review-outbox.ts

@@ -34,6 +34,10 @@ export interface ReviewUploadConfig {
   /** Pseudonymous booth id — a label the reviewer maps to a site; never the site name. */
   readonly boothId: string;
   readonly intervalSec: number;
+  /** Queue one in N ENTRY vehicle reads (no order attached) for the reviewer — the gate
+   *  view is exactly what the classifier is trained on, and the entry stream is many times
+   *  the wash stream. 0 = off. */
+  readonly entrySample: number;
 }
 
 /** From the server env (Komodo stack env). All three of URL, token and booth id, or off. */
@@ -43,7 +47,12 @@ export function reviewUploadConfigFromEnv(env: NodeJS.ProcessEnv = process.env):
   const boothId = (env.CARWASH_REVIEW_BOOTH_ID ?? "").trim();
   if (!url || !token || !boothId) return null;
   const raw = Number(env.CARWASH_REVIEW_INTERVAL_SEC ?? 60);
-  return { url, token, boothId, intervalSec: Number.isFinite(raw) && raw >= 10 ? raw : 60 };
+  const sample = Number(env.CARWASH_REVIEW_ENTRY_SAMPLE ?? 0);
+  return {
+    url, token, boothId,
+    intervalSec: Number.isFinite(raw) && raw >= 10 ? raw : 60,
+    entrySample: Number.isInteger(sample) && sample > 0 ? sample : 0,
+  };
 }
 
 /** The crop's longest edge, in pixels — enough for a reviewer and a classifier, small
@@ -145,6 +154,8 @@ export interface OutboxStatus {
   readonly failed: number;
   readonly lastSentAt: string | null;
   readonly lastError: string | null;
+  /** 0 = entry sampling off; N = one in N entry reads is queued. */
+  readonly entrySample: number;
 }
 
 export class ReviewOutbox {
@@ -154,6 +165,7 @@ export class ReviewOutbox {
   readonly #fetch: FetchLike;
   #timer: NodeJS.Timeout | null = null;
   #draining = false;
+  #entrySeen = 0;
 
   constructor(db: Db, logger: FastifyBaseLogger, cfg: ReviewUploadConfig | null, fetchFn?: FetchLike) {
     this.#db = db;
@@ -172,35 +184,68 @@ export class ReviewOutbox {
    *  sample) or when upload is not configured (an unbounded queue nobody drains). */
   async enqueue(item: ReviewItemInput, read: VehicleRead): Promise<boolean> {
     if (!this.#cfg) return false;
+    return this.#queue(item.orderId, read, (id, crop) => ({
+      v: 1,
+      kind: "wash",
+      booth: this.#cfg!.boothId,
+      item: id,
+      order: item.orderId,
+      at: item.createdAt,
+      operator: operatorRef(this.#cfg!.boothId, item.createdBy),
+      operatorCategory: { id: item.categoryId, name: item.categoryName, classes: [...item.categoryClasses] },
+      service: item.serviceName,
+      vision: { class: read.bodyType, confidence: read.confidence, categoryId: item.visionCategoryId },
+      downgraded: item.downgraded,
+      image: crop,
+    }));
+  }
+
+  /** Every Nth entry read is a sample (N = entrySample); the caller queues it. Counted
+   *  in-process, so "1 in 5" is exactly that across a booth's day. */
+  sampleEntry(): boolean {
+    const n = this.#cfg?.entrySample ?? 0;
+    if (n <= 0) return false;
+    this.#entrySeen += 1;
+    return this.#entrySeen % n === 0;
+  }
+
+  /** Queue an ENTRY sample: the crop and the camera's class only — no order, no operator,
+   *  no category. Pure training material in the gate view; the reviewer labels it. */
+  async enqueueEntry(read: VehicleRead): Promise<boolean> {
+    if (!this.#cfg) return false;
+    return this.#queue(`entry:${read.snapshotId ?? "?"}`, read, (id, crop) => ({
+      v: 1,
+      kind: "entry",
+      booth: this.#cfg!.boothId,
+      item: id,
+      at: new Date().toISOString(),
+      vision: { class: read.bodyType, confidence: read.confidence },
+      image: crop,
+    }));
+  }
+
+  async #queue(
+    ref: string,
+    read: VehicleRead,
+    build: (id: string, image: { width: number; height: number; plateBlurred: boolean }) => Record<string, unknown>,
+  ): Promise<boolean> {
     if (!read.box || !read.snapshotId) return false;
     try {
       const snap = this.#db.select().from(snapshots).where(eq(snapshots.id, read.snapshotId)).get();
       if (!snap) {
-        this.#logger.info(`carwash review: snapshot ${read.snapshotId} gone (pruned) — order ${item.orderId} not queued`);
+        this.#logger.info(`carwash review: snapshot ${read.snapshotId} gone (pruned) — ${ref} not queued`);
         return false;
       }
       const crop = await makeReviewCrop(snap.bytes, read.box, read.plateBox);
       const id = randomUUID();
-      const payload = {
+      const payload = build(id, { width: crop.width, height: crop.height, plateBlurred: crop.plateBlurred });
-        v: 1,
-        booth: this.#cfg.boothId,
-        item: id,
-        order: item.orderId,
-        at: item.createdAt,
-        operator: operatorRef(this.#cfg.boothId, item.createdBy),
-        operatorCategory: { id: item.categoryId, name: item.categoryName, classes: [...item.categoryClasses] },
-        service: item.serviceName,
-        vision: { class: read.bodyType, confidence: read.confidence, categoryId: item.visionCategoryId },
-        downgraded: item.downgraded,
-        image: { width: crop.width, height: crop.height, plateBlurred: crop.plateBlurred },
-      };
       this.#db
         .insert(carwashReviewOutbox)
-        .values({ id, orderId: item.orderId, createdAt: new Date().toISOString(), status: "queued", attempts: 0, nextAttemptAt: null, image: crop.bytes, payload })
+        .values({ id, orderId: ref, createdAt: new Date().toISOString(), status: "queued", attempts: 0, nextAttemptAt: null, image: crop.bytes, payload })
         .run();
       return true;
     } catch (err) {
-      this.#logger.warn(`carwash review: could not queue order ${item.orderId}: ${(err as Error).message}`);
+      this.#logger.warn(`carwash review: could not queue ${ref}: ${(err as Error).message}`);
       return false;
     }
   }
@@ -320,6 +365,7 @@ export class ReviewOutbox {
     return {
       enabled: this.enabled,
       boothId: this.#cfg?.boothId ?? null,
+      entrySample: this.#cfg?.entrySample ?? 0,
       queued: count("queued"),
       sent: count("sent"),
       failed: count("failed"),

apps/server/src/modules/carwash/routes.ts

@@ -42,7 +42,7 @@ export async function carwashRoutes(app: FastifyInstance, deps: ServerModuleDeps
   // The review outbox's health (Setup → Car wash): how many decisions wait for the
   // reviewer, how many went, the last error. Site admin's read.
   app.get("/api/carwash/review/status", { preHandler: settingsRead }, async () =>
-    outbox?.status() ?? { enabled: false, boothId: null, queued: 0, sent: 0, failed: 0, lastSentAt: null, lastError: null },
+    outbox?.status() ?? { enabled: false, boothId: null, queued: 0, sent: 0, failed: 0, lastSentAt: null, lastError: null, entrySample: 0 },
   );
 
   app.put<{ Body: SettingsBody }>("/api/carwash/settings", { preHandler: settingsWrite }, async (req, reply) => {

apps/server/src/snapshot.ts

@@ -210,7 +210,16 @@ async function recognizePlate(
         occurredAt: new Date().toISOString(),
       })
       .run();
-    if (result.vehicle) logger.info(`vision vehicle '${result.vehicle.bodyType}' (${result.vehicle.confidence.toFixed(3)}) for ${identity}`);
+    if (result.vehicle) {
+      logger.info(`vision vehicle '${result.vehicle.bodyType}' (${result.vehicle.confidence.toFixed(3)}) for ${identity}`);
+      if (vehicleBox) {
+        deviceEvents.emitVehicleRead({
+          identity,
+          direction,
+          read: { bodyType: result.vehicle.bodyType, confidence: result.vehicle.confidence, snapshotId, box: vehicleBox, plateBox },
+        });
+      }
+    }
     if (!plate) return;
     logger.info(`anpr plate '${plate}' (${result.plate!.confidence.toFixed(3)}) for ${identity}`);
     // The session's entry/exit event already shipped without this (async) plate — tell the

apps/web/src/lib/i18n/en.ts

@@ -143,6 +143,7 @@ export const en: Catalog = {
     reviewTitle: "Remote review",
     reviewOff: "off — no collector configured for this booth",
     reviewCounts: "{{queued}} waiting · {{sent}} delivered · {{failed}} abandoned",
+    reviewEntrySample: "1 in {{n}} entries sampled",
     reviewHint: "Each wash order sends the vehicle crop (plate blurred) and the chosen category to a trusted reviewer over the private network. One-way; nothing that names this site leaves.",
     visionClassesHint: "The camera's fixed vocabulary (set in code, not here). Tick the classes this category covers.",
     visionThreshold: "Camera confidence to flag a downgrade",

apps/web/src/lib/i18n/sq.ts

@@ -145,6 +145,7 @@ export const sq = {
     reviewTitle: "Shqyrtim në distancë",
     reviewOff: "joaktiv — asnjë mbledhës i konfiguruar për këtë kabinë",
     reviewCounts: "{{queued}} në pritje · {{sent}} të dërguara · {{failed}} të braktisura",
+    reviewEntrySample: "1 në {{n}} hyrje merret mostër",
     reviewHint: "Çdo porosi lavazhi dërgon prerjen e mjetit (targa e turbulluar) dhe kategorinë e zgjedhur te një shqyrtues i besuar përmes rrjetit privat. Njëkahësh; asgjë që emërton këtë vend nuk del.",
     visionClassesHint: "Fjalori i fiksuar i kamerës (vendoset në kod, jo këtu). Shëno klasat që mbulon kjo kategori.",
     visionThreshold: "Siguria e kamerës për të shënuar një ulje kategorie",

apps/web/src/modules/carwash/api.ts

@@ -40,6 +40,8 @@ export interface CarwashReviewStatus {
   failed: number;
   lastSentAt: string | null;
   lastError: string | null;
+  /** 0 = entry sampling off; N = one in N entry reads is queued as training material. */
+  entrySample: number;
 }
 export function fetchCarwashReviewStatus(): Promise<CarwashReviewStatus> {
   return apiFetch("/api/carwash/review/status");

docker-compose.yml

@@ -33,6 +33,7 @@ services:
       CARWASH_REVIEW_URL: ${CARWASH_REVIEW_URL:-}
       CARWASH_REVIEW_TOKEN: ${CARWASH_REVIEW_TOKEN:-}
       CARWASH_REVIEW_BOOTH_ID: ${CARWASH_REVIEW_BOOTH_ID:-}
+      CARWASH_REVIEW_ENTRY_SAMPLE: ${CARWASH_REVIEW_ENTRY_SAMPLE:-0}
       # CRITICAL on the plain-HTTP booth LAN: cookies are Secure (HTTPS-only) by DEFAULT,
       # so without COOKIE_SECURE=0 the auth cookie is never sent over http and operators
       # CANNOT LOG IN. Leave unset only behind TLS. See disk-os-hardening "deploy-time runbook".

komodo/resources.toml

@@ -94,9 +94,12 @@ MODULES_ENTITLED=parking,carwash
 # Car Wash review outbox (wiki/concepts/vision-review-outbox.md): the collector's ingest URL
 # on the Netbird overlay, this booth's pseudonymous id, and its token — the SAME secret the
 # wash-collector stack lists under that id. Leave all three unset to keep the outbox off.
-#CARWASH_REVIEW_URL=http://docker-station.nb.infra:8090/ingest
+CARWASH_REVIEW_URL=http://docker-station.nb.infra:8090/ingest
-#CARWASH_REVIEW_BOOTH_ID=booth-2
+CARWASH_REVIEW_BOOTH_ID=booth-2
-#CARWASH_REVIEW_TOKEN=[[wash_review_token_booth_2]]
+CARWASH_REVIEW_TOKEN=[[wash_review_token_booth_2]]
+# Also send ENTRY reads as training material (gate view, no wash): 1 = every entry (storage
+# and bandwidth are not the limit; review what you have time for). N = one in N. 0 = off.
+CARWASH_REVIEW_ENTRY_SAMPLE=1
 VISION_ENABLED=1
 # Desktop app WS handshake: Origin is tauri://localhost (set explicitly by
 # platform-ws.ts, since the native WS plugin has no page context to auto-attach

wiki/concepts/vision-review-outbox.md

@@ -39,6 +39,24 @@ locked-down collector without exposing anything to the open internet.
    image is dropped from the row once delivered; a voided order is abandoned unsent; anything
    older than 14 days is abandoned ("expired") rather than resurfacing a fortnight in a burst.
 
+## The entry stream — the real accelerator (built 2026-09-07)
+
+The wash stream is small; the **entry camera photographs every car**, in exactly the view the
+classifier is trained on, with zero domain shift. So the booth can also queue **one in N entry
+vehicle reads** as pure training material: the crop and the camera's class, *no* order, *no*
+operator, *no* category — same crop-and-blur pipeline, same one-way path, same privacy
+properties. `CARWASH_REVIEW_ENTRY_SAMPLE=N` (0/unset = off; needs the three upload settings).
+Seam: the core announces every vehicle read (`deviceEvents.emitVehicleRead`, snapshot.ts, entry
+and exit) and the Car Wash module decides — it samples entry reads in-process (`sampleEntry()`,
+exactly one in N) and calls `enqueueEntry()`; the core never imports the module. Packages carry
+`kind: "wash" | "entry"`; the collector stores the kind, the review screen shows an entry sample
+as "entry stream — label the vehicle", the export carries a `kind` column, and **operator
+agreement is computed from wash items only** (an entry sample has no operator decision).
+
+An internet feed was considered the same day and kept OUT of the collector's ingest: licensed
+sets only, in a separate folder with provenance, used as warm-up and weighted down, and never
+the judge of accuracy — the evaluation set is gate crops only.
+
 ## The package
 
 `multipart/form-data`: `meta` (JSON) + `image` (JPEG). Meta = `{ v, booth, item, order, at,

wiki/log.md

@@ -3121,3 +3121,15 @@ the overlay address; commented `trainer` profile seam for the GPU), a third buil
 build-images.yml, and a `wash-collector` stack on `art-docker-station` in komodo/resources.toml
 (secret refs to fill). Booth payload now carries `operatorCategory.classes`. Tests: app.test.ts.
 Updated [[vision-review-outbox]], [[fleet-deployment-komodo]].
+
+## [2026-09-07] ingest | Entry-stream sampling for the review outbox
+User asked about feeding internet pictures through the collector; assessment: licensed only,
+separate folder, warm-up weight, never the evaluation set — and the stronger accelerator is the
+ENTRY stream (every car, the gate view, zero domain shift). Built: `deviceEvents.emitVehicleRead`
+from snapshot.ts (core announces; the module listens), `ReviewOutbox.sampleEntry()` (one in N,
+in-process) + `enqueueEntry()` (crop + camera class, no order/operator/category), env
+`CARWASH_REVIEW_ENTRY_SAMPLE` (compose + resources template + .env.example), packages carry
+`kind`; the collector stores kind, the review screen shows entry samples as such, export has a
+kind column, operator agreement is wash-only. Setup line shows "1 in N entries sampled". Also:
+Setup → Car wash is a two-column grid (the master-data card was squeezed at max-w-2xl). Tests
+on both sides. Updated [[vision-review-outbox]].