Gate a route or nav node on a session, not only a permission

AGENTS.md

@@ -182,6 +182,12 @@ Revisit only if the stated reason stops holding.
     example it keeps the route table and the in-handler guard deriving from one function, so 29 routes
     × 2 gate sites cannot drift. Generalised, it would make authorization a function of the transport
     verb — a route table must answer "what does this need?" on its own.
+- **A gate is one of three, and `session` is a first-class one.** A route or nav node names exactly
+  one of `public`, `session`, `permission` (discovery refuses two), and `src/auth/gate.ts` is the one
+  home of the rule the router and the menu both read. `session` exists because a plugin whose data is
+  the visitor's own — their upstream account, their own tokens — has no distinction a permission could
+  name; the alternative, granting every newly registered user a permission, couples the identity
+  lifecycle to a Keto write that nothing retries when it fails.
 - **A `:read`-only holder must never be shown a write affordance.** The list/detail models carry
   `canWrite` and the views drop create/save/delete/add/remove; the permission picker still renders,
   disabled, because *seeing* who holds what is the point of `:read`. A **write-intent GET** (a create

README.md

@@ -389,13 +389,14 @@ A plugin may be routes-only, nav-only, or hooks-only — every collection field
 
 ### Routes & handlers
 
-A route is `{ method, path, permission?, public?, handler }`. `path` is **relative to the plugin's
+A route is `{ method, path, permission?, public?, session?, handler }`. `path` is **relative to the plugin's
 mount path `/<id>`** (so `path: "/:id"` in the `things` plugin serves `/things/:id`); the host matches
 `method` + the resolved full path, extracts `:name` segments into `ctx.params.name`, runs the
 `permission` gate ([a coarse JWT-claim check](#nav--permission-gates)), then calls the handler with
 the [request context](#requestcontext). A failed gate redirects an **anonymous** visitor to `/login`
 with the page as `return_to`; a **signed-in** user lacking the permission gets the **403** page.
-`public: true` means no gate at all (see [Public pages](#public-pages--menu-items)).
+`public: true` means no gate at all, `session: true` any signed-in user (see
+[Public pages](#public-pages--menu-items)).
 
 `method` is one of `GET HEAD POST PUT PATCH DELETE`. A `GET` route also answers `HEAD`.
 
@@ -569,7 +570,8 @@ system plugins you author or vendor. An ordinary domain plugin ignores it.
 
 A plugin's `nav` fragment is merged into the global menu by `composeNav` (`src/ui/nav.ts`), which
 applies the central override and then **filters per user** by the permissions in the session JWT: a
-node shows iff it is `public`, declares no `permission`, or the user holds that name. A node's `icon`
+node shows iff it is `public`, is `session` and someone is signed in, declares no `permission`, or the
+user holds that name. A node's `icon`
 is a **Lucide icon** by sprite id (e.g. `i-cal` → lucide `calendar`); the available ids are
 `ICON_NAMES` in `src/ui/icons.ts`, and adding one means registering its lucide name there.
 
@@ -582,7 +584,15 @@ drops a header whose children all filtered out. That only works while the header
 
 A route or nav node marked **`public: true`** is reachable by anyone and shows in everyone's menu.
 That is the same as omitting `permission`, but stated outright so public is a deliberate choice
-rather than a forgotten gate. The two are **mutually exclusive** — declaring both is refused at boot.
+rather than a forgotten gate.
+
+**`session: true`** takes any signed-in user, with no grant to hold — the gate for a plugin whose
+data is the visitor's own (their upstream account, their own tokens), where a permission would name
+a distinction that does not exist. An anonymous visitor is bounced to `/login` with the page as
+`return_to`, exactly as a permission gate does.
+
+A declaration names **exactly one** of the three; two of them contradict, and discovery refuses the
+plugin at boot.
 
 A public page still renders in the native shell; for an anonymous visitor `ctx.user` is `null`, the
 shell shows a **Sign in** link in place of the profile block, the gated **Dashboard** link is hidden,
@@ -635,7 +645,7 @@ The host detects collisions across all discovered plugins with `findConflicts` a
 Mount-path uniqueness needs no rule of its own — it follows from the id check. Discovery also
 rejects **per-manifest shape errors**: a non-array `nav`/`routes`/`permissions`, a non-function
 `home`/`dashboard`, a permission name that isn't [`<resource>:<action>`](#naming-a-permission), or a
-route/nav node setting both `public` and `permission`.
+route/nav node naming more than one gate.
 
 ### Hooks
 
@@ -913,7 +923,8 @@ The menu is **driven entirely by config** and assembled from two sources:
 
 Every nav item may carry a `permission`; the rendered tree is **filtered per user** from the session
 JWT (no per-request authz call), so the menu only shows what that person can reach. An item may
-instead be **`public: true`** to show it to everyone — mutually exclusive with `permission`.
+instead be **`public: true`** (everyone) or **`session: true`** (anyone signed in) — one gate per
+item, never two.
 Branding (name, logo, default theme) renders in the app shell.
 
 **One menu, one shell, everywhere.** A single menu (`src/ui/chrome.ts` `buildPluginChrome`) renders

e2e-tests/visual.spec.ts

@@ -143,11 +143,11 @@ test("unknown routes serve the 404 page (a real user-facing flow, covered end-to
   await expect(page.getByRole("link", { name: "Back home" })).toBeVisible();
 });
 
-// The reference plugin (plugins/scheduling) ships discovered in the image. Its public Overview is
-// reachable by anyone and its menu header shows for everyone; the shifts list stays permission-gated,
-// so an anonymous visitor is bounced to sign in. The authenticated list/form flow is the full
-// E2E (full-flow.spec). Side-effect-free.
-test("the reference plugin: public Overview is open to all, the gated Shifts redirects to /login", async ({ page, request }) => {
+// The reference plugin (plugins/scheduling) ships discovered in the image, and shows all three
+// gates: the public Overview is reachable by anyone, My shifts takes any session, and the shifts
+// list needs a permission. The authenticated list/form flow is the full E2E (full-flow.spec).
+// Side-effect-free.
+test("the reference plugin: public Overview is open to all, My shifts takes any session, the gated Shifts redirects to /login", async ({ page, request }) => {
   // `request` is the isolated API context — it doesn't carry the beforeEach session cookie, so these
   // probes are genuinely anonymous.
   // The public overview is reachable with no session (200), not bounced to sign in.
@@ -166,10 +166,22 @@ test("the reference plugin: public Overview is open to all, the gated Shifts red
   expect(res.status()).toBe(303);
   expect(res.headers()["location"]).toBe("/login?return_to=%2Fscheduling%2Fshifts");
 
+  // A `session: true` route bounces an anonymous visitor the same way — no permission involved.
+  const mine = await request.get("/scheduling/mine", { maxRedirects: 0 });
+  expect(mine.status()).toBe(303);
+  expect(mine.headers()["location"]).toBe("/login?return_to=%2Fscheduling%2Fmine");
+
   // The signed-in member (no scheduling permission) sees the public Scheduling → Overview leaf in the nav,
   // but the gated Shifts leaf is filtered out.
   await page.goto("/dashboard");
   await expect(page.locator('.sidebar a[href="/dashboard"]')).toHaveCount(1); // the one unified menu renders
   await expect(page.locator('.sidebar a[href="/scheduling"]')).toHaveCount(1); // public Overview shown
   await expect(page.locator('.sidebar a[href="/scheduling/shifts"]')).toHaveCount(0); // gated leaf filtered out
+  await expect(page.locator('.sidebar a[href="/scheduling/mine"]')).toHaveCount(1); // session gate: a session is enough
+
+  // And the page itself renders for that same member, holding no permission at all. This stack runs
+  // no shifts upstream, so the list degrades to its empty state — which still names whose page it is.
+  await page.goto("/scheduling/mine");
+  await expect(page.getByRole("heading", { name: "My shifts" })).toBeVisible();
+  await expect(page.getByText("No shifts are assigned to demo@plainpages.local.")).toBeVisible();
 });

examples/plugins/scheduling/README.md

@@ -15,8 +15,9 @@ What it demonstrates:
   `POST /scheduling/shifts` CSRF-verifies it (`ctx.verifyCsrf`) and forwards the create upstream,
   then POST-redirect-GET. The form body lives in the plugin's own `views/partials/shift-form.ejs`,
   reusing the core `field` partial.
-- **Permission-gated nav** — the "Shifts" nav leaf and routes are gated on `scheduling:read` /
-  `scheduling:write`; the whole "Scheduling" section is invisible to anyone without the grant.
+- **All three route gates** — the Overview is `public` (anyone), "My shifts" is `session` (any
+  signed-in visitor, showing only rows assigned to them), and "Shifts" is gated on `scheduling:read` /
+  `scheduling:write`; a leaf whose gate a visitor fails is invisible in the menu.
 - **Its own translations** — every string comes from `i18n/en-US.ts` (`sv-SE.ts` beside it), including
   the nav labels, which are catalog keys in the manifest. `shifts.count` shows a plural message, and
   the views carry the visitor's language onto their links with `localeHref()`.
@@ -50,6 +51,7 @@ cosmetically) — normalise to your backend's format there if it matters.
 
 ## Granting access
 
-A user sees Scheduling once they hold the `scheduling:read` permission in Keto (and `scheduling:write`
-to create). The one-command bootstrap grants both to the demo admin, so the seeded
-`admin@plainpages.local` can use it immediately.
+A user sees the shift list once they hold the `scheduling:read` permission in Keto (and
+`scheduling:write` to create). The one-command bootstrap grants both to the demo admin, so the seeded
+`admin@plainpages.local` can use it immediately. "My shifts" needs no grant at all — signing in is
+its whole gate.

examples/plugins/scheduling/i18n/en-US.ts

@@ -13,6 +13,9 @@ const messages = {
   "scheduling.filter.searchLabel": "Search shifts",
   "scheduling.filter.searchPlaceholder": "Search title or assignee…",
   "scheduling.form.submit": "Create shift",
+  "scheduling.mine.empty": "No shifts are assigned to {{email}}.",
+  "scheduling.mine.title": "My shifts",
+  "scheduling.nav.mine": "My shifts",
   "scheduling.nav.overview": "Overview",
   "scheduling.nav.section": "Scheduling",
   "scheduling.nav.shifts": "Shifts",

examples/plugins/scheduling/i18n/sv-SE.ts

@@ -9,6 +9,9 @@ const messages: SchedulingMessages = {
   "scheduling.filter.searchLabel": "Sök pass",
   "scheduling.filter.searchPlaceholder": "Sök på namn eller person…",
   "scheduling.form.submit": "Skapa pass",
+  "scheduling.mine.empty": "Inga pass är tilldelade {{email}}.",
+  "scheduling.mine.title": "Mina pass",
+  "scheduling.nav.mine": "Mina pass",
   "scheduling.nav.overview": "Översikt",
   "scheduling.nav.section": "Schemaläggning",
   "scheduling.nav.shifts": "Pass",

examples/plugins/scheduling/plugin.ts

@@ -3,7 +3,7 @@
 // folder, rename it, point it at your own backend. Full contract: README.md → Building plugins.
 
 import { definePlugin } from "@plainpages/plugin-api";
-import { createShift, createUpstream, listShifts, newShiftForm, overview, READ, SCHEDULING_PATH, SHIFTS_PATH, WRITE } from "./shifts.ts";
+import { createShift, createUpstream, listShifts, MINE_PATH, myShifts, newShiftForm, overview, READ, SCHEDULING_PATH, SHIFTS_PATH, WRITE } from "./shifts.ts";
 
 // The upstream this plugin reads/writes — a stand-in for your real backend (the plugin is
 // stateless). Its URL is a declared setting, so it is resolved and validated before onBoot hands it
@@ -25,6 +25,7 @@ export default definePlugin({
   nav: [{
     children: [
       { href: SCHEDULING_PATH, id: "scheduling:overview", label: "scheduling.nav.overview", public: true },
+      { href: MINE_PATH, id: "scheduling:mine", label: "scheduling.nav.mine", session: true },
       { href: SHIFTS_PATH, id: "scheduling:shifts", label: "scheduling.nav.shifts", permission: READ },
     ],
     icon: "i-cal",
@@ -42,6 +43,7 @@ export default definePlugin({
   // (anyone may reach /scheduling, signed in or not); the rest need a permission.
   routes: [
     { handler: overview(), method: "GET", path: "/", public: true },
+    { handler: myShifts(upstream), method: "GET", path: "/mine", session: true },
     { handler: listShifts(upstream), method: "GET", path: "/shifts", permission: READ },
     { handler: newShiftForm(), method: "GET", path: "/shifts/new", permission: WRITE },
     { handler: createShift(upstream), method: "POST", path: "/shifts", permission: WRITE },

examples/plugins/scheduling/shifts.test.ts

@@ -4,21 +4,21 @@ import { Readable } from "node:stream";
 import test from "node:test";
 // Import only from the @plainpages/plugin-api barrel — the same contract boundary shifts.ts uses (the host may
 // refactor any deeper src/* freely behind it); the test models the dev/test story the contract preaches.
-import { englishTranslator, GuardError, Log, type PageChrome, type RequestContext, type RouteResult } from "@plainpages/plugin-api";
+import { englishTranslator, GuardError, Log, type PageChrome, type RequestContext, type RouteResult, type User } from "@plainpages/plugin-api";
 import enUS from "./i18n/en-US.ts";
 import {
-  buildFormModel, createShift, createUpstream, listShifts, newShiftForm, overview, readInput,
+  buildFormModel, createShift, createUpstream, listShifts, myShifts, newShiftForm, overview, readInput,
   SHIFTS_PATH, type Shift, type ShiftInput, type ShiftsUpstream, UpstreamError, validate,
 } from "./shifts.ts";
 
 const t = englishTranslator(enUS); // this plugin's catalog then the host's, as the host would chain them
 const CHROME: PageChrome = { brand: { name: "Test" }, csrfToken: "tok", nav: [], signInHref: "/login", user: { email: "", initials: "T", name: "Tester" } };
 
-function fakeCtx(opts: { body?: string; permissions?: string[]; url?: string; verifyCsrf?: (s: string | null | undefined) => boolean } = {}): RequestContext {
+function fakeCtx(opts: { body?: string; permissions?: string[]; url?: string; user?: User; verifyCsrf?: (s: string | null | undefined) => boolean } = {}): RequestContext {
   const url = new URL(opts.url ?? "http://localhost/scheduling/shifts");
   const req = Readable.from(opts.body != null ? [Buffer.from(opts.body)] : []) as unknown as IncomingMessage;
   return {
-    chrome: CHROME, declaredPermissions: [], declaredSettings: [], user: null, locale: "en-US", localeHref: (href) => href, locales: ["en-US"], log: new Log("none"), params: {},
+    chrome: CHROME, declaredPermissions: [], declaredSettings: [], user: opts.user ?? null, locale: "en-US", localeHref: (href) => href, locales: ["en-US"], log: new Log("none"), params: {},
     query: url.searchParams, req, res: {} as ServerResponse, permissions: opts.permissions ?? [], t, url,
     verifyCsrf: opts.verifyCsrf ?? (() => true),
   };
@@ -171,3 +171,20 @@ test("buildFormModel marks title/assignee required and attaches field errors", (
   assert.equal(title.error, "needed");
   assert.equal(fields.find((f) => f.name === "start")!.required, undefined);
 });
+
+// ---- the session-gated page: the visitor's own rows ----
+
+test("my shifts renders only the signed-in visitor's own rows, and names them in the empty state", async () => {
+  const user: User = { email: "Blair.Mora@example.test", id: "01a06091-baa3-71f4-a068-4879972979ff", permissions: [] };
+  const mine: Shift = { assignee: "blair.mora@example.test", end: "22:00", id: "3", start: "17:00", title: "Evening on-call" };
+  const listed = [...SHIFTS, mine]; // SHIFTS are assigned to other people
+
+  const r = asView(await myShifts(fakeUpstream({ list: async () => listed }))(fakeCtx({ url: "http://localhost/scheduling/mine", user })));
+  assert.equal(r.view, "mine");
+  const table = r.data["table"] as { emptyText: string; rows: { name: string }[] };
+  assert.deepEqual(table.rows.map((row) => row.name), ["Evening on-call"]); // matched case-insensitively
+  assert.match(table.emptyText, /Blair\.Mora@example\.test/); // an empty page still says whose it is
+
+  // The route carries `session: true`, but the handler asserts the session itself rather than trusting it.
+  await assert.rejects(async () => { await myShifts(fakeUpstream())(fakeCtx()); }, GuardError);
+});

examples/plugins/scheduling/shifts.ts

@@ -6,7 +6,7 @@
 // pure functions against a mock upstream with no network (README.md → Local dev & test story).
 
 // One import from the host's @plainpages/plugin-api barrel — the stable author surface (see README.md → Building plugins).
-import { can, CSRF_FIELD, englishTranslator, GuardError, type PageChrome, parseListQuery, readFormBody, type RouteHandler, type Translate, tracedFetch } from "@plainpages/plugin-api";
+import { can, CSRF_FIELD, englishTranslator, GuardError, type PageChrome, parseListQuery, readFormBody, requireSession, type RouteHandler, type Translate, tracedFetch } from "@plainpages/plugin-api";
 import enUS from "./i18n/en-US.ts";
 
 // The plugin's own English (its catalog, then the host's), for a view model built outside a request:
@@ -16,6 +16,7 @@ const EN: Translate = englishTranslator(enUS);
 
 export const SCHEDULING_PATH = "/scheduling"; // the plugin's public overview page
 export const SHIFTS_PATH = "/scheduling/shifts";
+export const MINE_PATH = "/scheduling/mine"; // the visitor's own shifts — a session is the whole gate
 export const READ = "scheduling:read"; // the permission gating the list + nav
 export const WRITE = "scheduling:write"; // the permission gating create
 
@@ -190,6 +191,41 @@ export function newShiftForm(): RouteHandler {
 // gate lets an anonymous visitor through and the menu option shows for everyone. The real data
 // (the shifts list) stays behind `scheduling:read`; a reader gets a link straight to it, anyone
 // else a prompt to sign in. ctx.user may be null here, so read the permission via can() (zero I/O).
+// The `session: true` archetype: the rows are the visitor's own, so there is no distinction a
+// permission could name — anyone signed in sees theirs and only theirs.
+export function myShifts(upstream: ShiftsUpstream): RouteHandler {
+  return async (ctx) => {
+    const user = requireSession(ctx);
+    let shifts: Shift[] = [];
+    let error: string | undefined;
+    try {
+      shifts = await upstream.list();
+    } catch (err) {
+      ctx.log.warn("scheduling upstream unreachable", { error: String(err) });
+      error = ctx.t("scheduling.upstream.list");
+    }
+    const mine = shifts.filter((s) => s.assignee.toLowerCase() === user.email.toLowerCase());
+    return { data: buildMineModel({ chrome: ctx.chrome, email: user.email, ...(error ? { error } : {}), shifts: mine, t: ctx.t }), view: "mine" };
+  };
+}
+
+export function buildMineModel(opts: { chrome: PageChrome; email: string; error?: string; shifts: Shift[]; t?: Translate }) {
+  const t = opts.t ?? EN;
+  return {
+    breadcrumbs: [{ label: t("scheduling.mine.title") }],
+    chrome: opts.chrome,
+    count: t("scheduling.shifts.count", { count: opts.shifts.length }),
+    ...(opts.error ? { error: opts.error } : {}),
+    table: {
+      caption: t("scheduling.mine.title"),
+      columns: [{ label: t("scheduling.table.shift") }, { label: t("scheduling.table.start") }, { label: t("scheduling.table.end") }],
+      emptyText: t("scheduling.mine.empty", { email: opts.email }),
+      rows: opts.shifts.map((s) => ({ cells: [{ rowHeader: { text: s.title } }, s.start, s.end], name: s.title })),
+    },
+    title: t("scheduling.mine.title"),
+  };
+}
+
 export function overview(): RouteHandler {
   return (ctx) => ({
     data: {

examples/plugins/scheduling/views/mine.ejs

@@ -0,0 +1,20 @@
+<%#
+  Scheduling · the visitor's own shifts (reference plugin). Reached behind `session: true`, so
+  ctx.user is always set by the time this renders.
+  Data: chrome, title, breadcrumbs, count, table, error?
+%><%
+  const navHtml = include("partials/nav-tree", { nodes: chrome.nav });
+  const tableHtml = include("partials/data-table", table);
+  const alertHtml = locals.error ? include("partials/alert", { text: locals.error, tone: "neg" }) : "";
+-%>
+<%- include("partials/shell", {
+  body: '<div class="scheduling-page">' + alertHtml + '<p class="shift-count">' + count + '</p>' + tableHtml + '</div>',
+  brand: chrome.brand,
+  breadcrumbs,
+  csrfToken: chrome.csrfToken,
+  nav: navHtml,
+  styles: ["/public/scheduling/scheduling.css"],
+  theme: chrome.theme,
+  title,
+  user: chrome.user,
+}) %>

src/auth/gate.test.ts

@@ -0,0 +1,28 @@
+import assert from "node:assert/strict";
+import { test } from "node:test";
+import type { User } from "../http/context.ts";
+import { allows, gatesSet } from "./gate.ts";
+
+const holder: User = { email: "holder@example.test", id: "01a06091-ba9f-765f-abf4-b5144c314bc7", permissions: ["x:read"] };
+const stranger: User = { email: "stranger@example.test", id: "01a06091-baa3-7b4d-810a-c9ee7e559d98", permissions: [] };
+
+test("allows: ungated and public are open to anyone; session needs a user; permission needs the token", () => {
+  assert.equal(allows({}, null), true);
+  assert.equal(allows({ public: true }, null), true);
+
+  assert.equal(allows({ session: true }, null), false);
+  assert.equal(allows({ session: true }, stranger), true); // signed in is the whole gate — no grant
+
+  assert.equal(allows({ permission: "x:read" }, null), false);
+  assert.equal(allows({ permission: "x:read" }, stranger), false);
+  assert.equal(allows({ permission: "x:read" }, holder), true);
+});
+
+test("gatesSet names the gates a declaration sets, so discovery can refuse more than one", () => {
+  assert.deepEqual(gatesSet({}), []);
+  assert.deepEqual(gatesSet({ session: true }), ["session"]);
+  assert.deepEqual(gatesSet({ permission: "x:read", public: true }), ["public", "permission"]);
+  assert.deepEqual(gatesSet({ permission: "x:read", public: true, session: true }), ["public", "session", "permission"]);
+  // `false` is not a gate — only a set one counts, so { session: false } is an ungated route.
+  assert.deepEqual(gatesSet({ public: false, session: false }), []);
+});

src/auth/gate.ts

@@ -0,0 +1,24 @@
+// The coarse gate a route or nav node declares. One home for the rule, so the router and the menu
+// can never disagree about what a visitor may reach.
+import type { User } from "../http/context.ts";
+
+// Widest first: whoever passes an earlier gate passes it without holding anything.
+const GATES = ["public", "session", "permission"] as const;
+
+export interface Gate {
+  permission?: string | undefined; // the Keto Permission the caller must hold
+  public?: boolean | undefined; // anyone, signed in or not
+  session?: boolean | undefined; // any signed-in user, no grant needed
+}
+
+export function allows(gate: Gate, user: User | null): boolean {
+  if (gate.public === true) return true;
+  if (gate.session === true) return user !== null;
+  return gate.permission == null || (user?.permissions.includes(gate.permission) ?? false);
+}
+
+// Which gates a declaration sets — discovery refuses more than one, since they contradict.
+export function gatesSet(gate: Gate | null | undefined): string[] {
+  if (gate == null) return [];
+  return GATES.filter((name) => (name === "permission" ? gate.permission != null : gate[name] === true));
+}

src/http/app.ts

@@ -28,7 +28,8 @@ import { DEFAULT_MENU, type MenuConfig } from "../ui/menu-config.ts";
 import { declaredPermissions, type Plugin, type RouteHandler, type RouteResult } from "../plugin-host/plugin.ts";
 import type { PluginSettings } from "../plugin-host/settings.ts";
 import type { SystemCapabilities } from "../plugin-host/system.ts";
-import { allowedMethods, isAuthorized, matchRoute } from "../plugin-host/router.ts";
+import { allows } from "../auth/gate.ts";
+import { allowedMethods, matchRoute } from "../plugin-host/router.ts";
 import { buildAuthRoutes } from "../auth/routes.ts";
 import { securityHeaders } from "./security-headers.ts";
 import { localPath } from "./safe-url.ts";
@@ -281,7 +282,7 @@ export function createApp(options: AppOptions = {}): Server {
       const match = matchRoute(plugins, method, pathname);
       if (match) {
         const routeCtx = contextFor(match.plugin.id, match.params);
-        if (!isAuthorized(match.route, routeCtx.permissions)) {
+        if (!allows(match.route, routeCtx.user)) {
           // Anonymous → sign in, remembering the page as return_to; a signed-in user who simply
           // lacks the permission gets the 403 page.
           if (!routeCtx.user) { res.writeHead(303, { location: loginRedirect(routeCtx) }).end(); return; }

src/plugin-host/discovery.test.ts

@@ -62,6 +62,9 @@ const badCases: Array<{ name: string; files: Record<string, string>; match: RegE
   { name: "duplicate nav id across plugins", files: { "a/plugin.ts": full("a").replace("a:root", "dup"), "b/plugin.ts": full("b").replace("b:root", "dup") }, match: /nav id "dup"/ },
   { name: "a route marked public AND permission is contradictory", files: { "contra/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", routes: [{ method: "GET", path: "/", public: true, permission: "x:read", handler: () => ({ html: "x" }) }] };` }, match: /contra.*public.*permission/s },
   { name: "a nav node marked public AND permission is contradictory", files: { "contranav/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", nav: [{ id: "n", label: "N", public: true, permission: "x:read" }] };` }, match: /contranav.*public.*permission/s },
+  { name: "a route marked session AND permission is contradictory", files: { "contrasess/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", routes: [{ method: "GET", path: "/", session: true, permission: "x:read", handler: () => ({ html: "x" }) }] };` }, match: /contrasess.*session.*permission/s },
+  { name: "a route marked public AND session is contradictory", files: { "contrapub/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", routes: [{ method: "GET", path: "/", public: true, session: true, handler: () => ({ html: "x" }) }] };` }, match: /contrapub.*public.*session/s },
+  { name: "a nav node marked session AND permission is contradictory", files: { "contrasessnav/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", nav: [{ id: "n", label: "N", session: true, permission: "x:read" }] };` }, match: /contrasessnav.*session.*permission/s },
   // A permission name is <resource>:<action> wherever the manifest mentions one. Enforced here, not
   // only in the admin GUI, so it holds for a plugin installed without that GUI.
   { name: "a route gating on a bare word", files: { "bare/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", routes: [{ method: "GET", path: "/", permission: "admin", handler: () => ({ html: "x" }) }] };` }, match: /bare.*admin.*<resource>:<action>/s },
@@ -96,12 +99,19 @@ test("a discovery failure tells the operator their plugins/ copy may just be out
   });
 });
 
-test("a route + nav node may be marked public and load fine", async (t) => {
-  const dir = scaffold(t, { "pub/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", nav: [{ href: "/pub", id: "n", label: "N", public: true }], routes: [{ method: "GET", path: "/", public: true, handler: () => ({ html: "x" }) }] };` });
+test("a route + nav node may be marked public, or session, and load fine", async (t) => {
+  const dir = scaffold(t, {
+    "pub/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", nav: [{ href: "/pub", id: "n", label: "N", public: true }], routes: [{ method: "GET", path: "/", public: true, handler: () => ({ html: "x" }) }] };`,
+    "sess/plugin.ts": `export default { apiVersion: "${HOST_API_VERSION}", nav: [{ href: "/sess", id: "s", label: "S", session: true }], routes: [{ method: "GET", path: "/", session: true, handler: () => ({ html: "x" }) }] };`,
+  });
   const plugins = await discoverPlugins({ dir });
-  assert.equal(plugins.length, 1);
-  assert.equal(plugins[0]?.routes?.[0]?.public, true);
-  assert.equal(plugins[0]?.nav?.[0]?.public, true);
+  assert.equal(plugins.length, 2);
+  const pub = plugins.find((p) => p.id === "pub");
+  const sess = plugins.find((p) => p.id === "sess");
+  assert.equal(pub?.routes?.[0]?.public, true);
+  assert.equal(pub?.nav?.[0]?.public, true);
+  assert.equal(sess?.routes?.[0]?.session, true);
+  assert.equal(sess?.nav?.[0]?.session, true);
 });
 
 test("`admin` is not reserved — the admin screens ship as a drop-in plugin mounted at /admin", async (t) => {

src/plugin-host/discovery.ts

@@ -7,6 +7,7 @@
 import { existsSync, readdirSync, readFileSync } from "node:fs";
 import { dirname, join } from "node:path";
 import { fileURLToPath, pathToFileURL } from "node:url";
+import { gatesSet } from "../auth/gate.ts";
 import { checkApiVersion, findConflicts, isValidPermissionName, isValidPluginId, RESERVED_PLUGIN_IDS, type Plugin, type PluginManifest } from "./plugin.ts";
 import { settingsDeclError } from "./settings.ts";
 import { isValidStoragePluginId, MAX_STORAGE_PLUGIN_ID_LENGTH } from "./storage.ts";
@@ -146,12 +147,13 @@ function shapeError(manifest: PluginManifest): string | null {
     const settings = settingsDeclError(manifest.settings);
     if (settings) return settings;
   }
-  // `public` and `permission` are contradictory on the same route/nav node — "open to all" vs
-  // "needs this permission". Refuse rather than silently pick one, so the author's intent is unambiguous.
+  // Two gates on one route or nav node contradict each other — "open to all" vs "needs a session"
+  // vs "needs this permission". Refuse rather than silently pick one, so intent stays unambiguous.
   for (const route of Array.isArray(manifest.routes) ? manifest.routes : []) {
-    if (route?.public === true && route.permission != null) return `route "${route.method} ${route.path}" sets both public and permission — they are mutually exclusive`;
+    const gates = gatesSet(route);
+    if (gates.length > 1) return `route "${route?.method} ${route?.path}" sets ${gates.join(" and ")}; a route names exactly one gate — public, session or permission`;
   }
-  const navContradiction = findPublicNavContradiction(manifest.nav);
+  const navContradiction = findNavGateContradiction(manifest.nav);
   if (navContradiction) return navContradiction;
   // Every permission name the manifest mentions — gated on or declared — must be `<resource>:<action>`.
   // A bare word names a role, and roles are groups here (README → Naming a permission).
@@ -170,11 +172,12 @@ function shapeError(manifest: PluginManifest): string | null {
   return null;
 }
 
-// Recurse the nav fragment: a node that is both `public` and `permission`-gated is contradictory.
-function findPublicNavContradiction(nodes: PluginManifest["nav"]): string | null {
+// Recurse the nav fragment: a node naming more than one gate is contradictory, same as a route.
+function findNavGateContradiction(nodes: PluginManifest["nav"]): string | null {
   for (const node of Array.isArray(nodes) ? nodes : []) {
-    if (node?.public === true && node.permission != null) return `nav node "${node.label ?? node.id ?? "?"}" sets both public and permission — they are mutually exclusive`;
-    const inChild = findPublicNavContradiction(node?.children);
+    const gates = gatesSet(node);
+    if (gates.length > 1) return `nav node "${node?.label ?? node?.id ?? "?"}" sets ${gates.join(" and ")}; a node names exactly one gate — public, session or permission`;
+    const inChild = findNavGateContradiction(node?.children);
     if (inChild) return inChild;
   }
   return null;

src/plugin-host/plugin.ts

@@ -32,6 +32,9 @@ export interface Route {
   // Same as omitting `permission`, but stated outright so public is a deliberate choice rather than
   // a forgotten gate. Mutually exclusive with `permission` (discovery refuses both).
   public?: boolean;
+  // Any signed-in user, no grant to hold — for a plugin whose data is the visitor's own. Anonymous
+  // is bounced to /login, never 403. Mutually exclusive with the other two (discovery refuses both).
+  session?: boolean;
 }
 
 // A Keto Permission this plugin gates on — declared for docs/seeding. Names are a shared global

src/plugin-host/router.test.ts

@@ -1,7 +1,7 @@
 import assert from "node:assert/strict";
 import { test } from "node:test";
 import type { Plugin, Route } from "./plugin.ts";
-import { allowedMethods, isAuthorized, matchRoute } from "./router.ts";
+import { allowedMethods, matchRoute } from "./router.ts";
 
 const noop: Route["handler"] = () => ({ html: "x" });
 
@@ -54,14 +54,3 @@ test("allowedMethods lists methods at a path (GET implies HEAD); empty when the
   assert.deepEqual(allowedMethods(plugins, "/x/a"), ["GET", "HEAD", "POST"]);
   assert.deepEqual(allowedMethods(plugins, "/x/missing"), []);
 });
-
-test("isAuthorized: open routes pass; gated routes require the permission token; public is explicitly open", () => {
-  const open: Route = { handler: noop, method: "GET", path: "/" };
-  const gated: Route = { handler: noop, method: "GET", path: "/", permission: "x:read" };
-  const pub: Route = { handler: noop, method: "GET", path: "/", public: true }; // blessed public alias
-  assert.equal(isAuthorized(open, []), true);
-  assert.equal(isAuthorized(gated, []), false);
-  assert.equal(isAuthorized(gated, ["x:read"]), true);
-  assert.equal(isAuthorized(gated, ["other"]), false);
-  assert.equal(isAuthorized(pub, []), true); // open to anonymous, like omitting permission — but stated outright
-});

src/plugin-host/router.ts

@@ -73,10 +73,3 @@ export function allowedMethods(plugins: Plugin[], pathname: string): string[] {
   }
   return [...methods].sort();
 }
-
-// Coarse permission gate: a route marked `public` (or one with no `permission`) is open; otherwise
-// the user's permissions (from the session JWT) must include the token. The same rule composeNav uses
-// for the menu. `public` and `permission` are mutually exclusive (discovery refuses both).
-export function isAuthorized(route: Route, permissions: string[]): boolean {
-  return route.public === true || route.permission == null || permissions.includes(route.permission);
-}

src/ui/chrome.ts

@@ -44,8 +44,7 @@ export function buildPluginChrome(opts: ChromeOptions): PageChrome {
     if (p.nav?.length) fragments.push(translateNav(p.nav, opts.translatorFor?.(p.id) ?? t));
   }
 
-  const permissions = opts.user?.permissions ?? [];
-  const nav = composeNav(fragments, opts.menu.override, permissions, t);
+  const nav = composeNav(fragments, opts.menu.override, opts.user ?? null, t);
   if (opts.currentPath) {
     // Mark by the *best* (longest) href that is the path or a parent of it, so a sub-path like
     // /admin/users/new marks the Users base leaf (/admin/users) and the dashboard marks Dashboard.

src/ui/nav.test.ts

@@ -1,7 +1,12 @@
 import assert from "node:assert/strict";
 import { test } from "node:test";
+import type { User } from "../http/context.ts";
 import { composeNav, type NavNode } from "./nav.ts";
 
+function viewer(...permissions: string[]): User {
+  return { email: "viewer@example.test", id: "01a06091-ba9f-765f-abf4-b5144c314bc7", permissions };
+}
+
 // Two plugin fragments; ids let the override target nodes, `permission` gates per permission.
 const fragments: NavNode[][] = [
   [{
@@ -15,7 +20,7 @@ const fragments: NavNode[][] = [
 ];
 
 test("composeNav merges fragments, filters by permission, and emits clean render nodes", () => {
-  const tree = composeNav(fragments, {}, ["scheduling:read"]);
+  const tree = composeNav(fragments, {}, viewer("scheduling:read"));
 
   // Reports gone (no reports:read), Manage gone (no scheduling:admin), header kept with Shifts.
   // Output carries no `id`/`permission` and omits absent fields — ready for nav-tree.ejs.
@@ -30,7 +35,7 @@ test("composeNav drops gated subtrees, empty headers, and (with no permissions)
     { id: "admin", label: "Admin", permission: "users:read", children: [{ href: "/u", id: "u", label: "Users" }] },
     { id: "free", label: "Free", children: [{ href: "/d", id: "d", label: "Docs" }] },
   ]];
-  assert.deepEqual(composeNav(gatedHeader, {}, []), [
+  assert.deepEqual(composeNav(gatedHeader, {}, viewer()), [
     { label: "Free", children: [{ href: "/d", label: "Docs" }] },
   ]);
 
@@ -39,26 +44,31 @@ test("composeNav drops gated subtrees, empty headers, and (with no permissions)
     { id: "sec", label: "Section", children: [{ href: "/x", id: "x", label: "X", permission: "x:read" }] },
     { href: "/hub", id: "hub", label: "Hub", children: [{ href: "/y", id: "y", label: "Y", permission: "y:read" }] },
   ]];
-  assert.deepEqual(composeNav(emptyHeader, {}, []), [{ href: "/hub", label: "Hub" }]);
+  assert.deepEqual(composeNav(emptyHeader, {}, viewer()), [{ href: "/hub", label: "Hub" }]);
 
   // No fragments / no permissions → empty tree, never throws.
   assert.deepEqual(composeNav(), []);
 });
 
-test("composeNav keeps a node marked public for everyone — the blessed public alias", () => {
-  // A header with one public child + one gated child: with no permissions, the public child keeps the
-  // header alive (the gated child is filtered out) — so a plugin can show a public menu option to all.
+test("composeNav shows a public node to everyone and a session node to any signed-in user", () => {
+  // A header with a public child, a session child and a gated child: the public child keeps the
+  // header alive for an anonymous visitor — so a plugin can show a menu option to all.
   const frag: NavNode[][] = [[{
     icon: "i-cal", id: "sched", label: "Scheduling",
     children: [
       { href: "/scheduling", id: "overview", label: "Overview", public: true },
+      { href: "/scheduling/mine", id: "mine", label: "Mine", session: true },
       { href: "/scheduling/shifts", id: "shifts", label: "Shifts", permission: "scheduling:read" },
     ],
   }]];
-  // `public` is filter-only (like id/permission) — never rendered into the output node.
-  assert.deepEqual(composeNav(frag, {}, []), [
+  // `public`/`session` are filter-only (like id/permission) — never rendered into the output node.
+  assert.deepEqual(composeNav(frag, {}, null), [
     { icon: "i-cal", label: "Scheduling", children: [{ href: "/scheduling", label: "Overview" }] },
   ]);
+  // Signed in with no permission at all: the session node appears, the permission-gated one does not.
+  assert.deepEqual(composeNav(frag, {}, viewer()), [
+    { icon: "i-cal", label: "Scheduling", children: [{ href: "/scheduling", label: "Overview" }, { href: "/scheduling/mine", label: "Mine" }] },
+  ]);
 });
 
 test("composeNav applies the override: rename, group, order, hide (then filters)", () => {
@@ -74,7 +84,7 @@ test("composeNav applies the override: rename, group, order, hide (then filters)
     groups: [{ icon: "i-box", id: "grp", label: "Group", open: true, children: ["b", "c"] }], // wrap b+c
     order: ["grp", "a"],                                     // grp before the lone a
     hide: ["c"],                                             // remove c from inside the group
-  }, ["secrets:read"]);
+  }, viewer("secrets:read"));
 
   // grp emitted (b only, c hidden), reordered before a; Secret kept now that permission "secrets:read" is present.
   assert.deepEqual(tree, [

src/ui/nav.ts

@@ -1,8 +1,10 @@
 // composeNav: merge each plugin's nav fragment into one tree, apply the central override, then
-// permission-filter per user. Pure and I/O-free — menu gating reads the JWT `permissions` claim,
-// never Keto. A node is visible iff it is `public`, declares no `permission`, or the user holds that
-// name; a gated header hides its whole subtree, and a pure header left with no children is dropped.
+// filter per user. Pure and I/O-free — menu gating reads the JWT `permissions` claim, never Keto.
+// A node is visible iff `allows` passes its gate; a gated header hides its whole subtree, and a pure
+// header left with no children is dropped.
 
+import { allows } from "../auth/gate.ts";
+import type { User } from "../http/context.ts";
 import { ENGLISH } from "../i18n/english.ts";
 import type { Translate } from "../i18n/translate.ts";
 
@@ -17,6 +19,7 @@ export interface NavNode {
   open?: boolean;
   permission?: string; // required permission token; consumed by the filter, never rendered
   public?: boolean; // show to everyone, signed in or not — the blessed alias for "no permission", stated outright; consumed by the filter, never rendered. Mutually exclusive with permission (discovery refuses both).
+  session?: boolean; // show to any signed-in user, no grant to hold; consumed by the filter, never rendered. Mutually exclusive with the other two (discovery refuses both).
 }
 
 // Central override (config/menu.ts). Targets nodes by `id`; applied rename → group →
@@ -39,7 +42,7 @@ export interface NavGroupSpec {
 export function composeNav(
   fragments: NavNode[][] = [],
   override: NavOverride = {},
-  permissions: string[] = [],
+  user: User | null = null,
   t: Translate = ENGLISH,
 ): NavNode[] {
   let nodes: NavNode[] = fragments.flat();
@@ -47,7 +50,7 @@ export function composeNav(
   if (override.groups?.length) nodes = applyGroups(nodes, override.groups);
   if (override.order?.length) nodes = applyOrder(nodes, override.order);
   if (override.hide?.length) nodes = hideTree(nodes, new Set(override.hide));
-  return filterByRoles(nodes, new Set(permissions)).map((node) => toRenderNode(node, t));
+  return filterByGate(nodes, user).map((node) => toRenderNode(node, t));
 }
 
 function renameTree(nodes: NavNode[], rename: Record<string, string>): NavNode[] {
@@ -104,12 +107,12 @@ function hideTree(nodes: NavNode[], hide: Set<string>): NavNode[] {
   return out;
 }
 
-function filterByRoles(nodes: NavNode[], permissions: Set<string>): NavNode[] {
+function filterByGate(nodes: NavNode[], user: User | null): NavNode[] {
   const out: NavNode[] = [];
   for (const n of nodes) {
-    if (n.public !== true && n.permission != null && !permissions.has(n.permission)) continue; // gated → drop node + subtree (public always shows)
+    if (!allows(n, user)) continue; // gated → drop node + subtree
     if (!n.children) { out.push(n); continue; }
-    const children = filterByRoles(n.children, permissions);
+    const children = filterByGate(n.children, user);
     if (children.length === 0 && n.href == null) continue; // empty pure header → drop
     out.push({ ...n, children });
   }