Aravind
2b8f5746bd
Phase 5. Twelve modules under `src/lib` and `src/lib/admin`. All twelve emit
byte-identical JavaScript; eight needed no annotation at all.
Where the generated entity types fit, they are used. `positionModel` is typed
against `JobPosting` — and that is where TypeScript earned its keep. Annotating
the label functions made `experienceLabel`'s `years === ''` guard a comparison
the compiler called impossible, because the registry types
`min_experience_years` as `number`, which is correct for a record the API has
returned. The guard is not dead: the same functions are handed drafts, and an
untouched numeric form input yields `''` — which is why `toPositionPayload`
coerces all five numerics with `Number(...)`.
So the module now has two types rather than one. `PositionRecord` is a saved
posting with the registry's column types; `PositionDraft` widens the five
numerics to `number | string` and is taken by `toPositionPayload` alone. The
one comparison the split cannot express keeps its guard and carries a cast with
the reason written next to it. Deleting a live guard to satisfy a type would be
the type rewriting the code.
`workforce` keeps its records as `any`: 574 lines of demand and availability
arithmetic over profiles, postings, assignments and staff read largely through
jsonb columns the registry does not describe. What IS described is the module's
own contract — the `WorkforceContext` option bag and the `Availability` result,
whose two shapes differ by whether a worker's commitments are known.
Two of my own type declarations were too narrow and were caught by the
set-difference rather than by inspection. `activitySignals`' accumulator seeds
`{ email, name, count, privileged }` and I had named only the two counters;
`WorkforceContext` omitted `profiles` and `courses`, which `PositionDetail`
passes in a single call with three more. The bag now carries an index signature,
because that is what the call site assumes: callers hand the whole thing over
and each function picks what it needs.
`skillGraph` gains a `SkillLevel` interface with an optional `earned`, set in a
second pass that stops at the first incomplete rung — so the levels above the
gap never receive it, and optional is the honest description.
Verified: tsc 40 -> 37, zero introduced; all twelve emitted outputs
byte-identical; npm test 1684/1691 with the same seven failures; lint 0 errors;
build succeeds with the API origin inlined; baseline artifacts untouched.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HBG1wnuRfJKCstGB8Fekr8
KROW Demo
AI-powered hiring for event and hospitality staffing — a standalone demo build of KROW Forge.
Runs with no backend, no API keys and no real login. npm install && npm run dev and the app is fully
populated.
npm install
npm run dev # http://localhost:5173 — opens on /admin/login
Stack
Vite 6 · React 19 · React Router 6 · React Query 5 · Tailwind + shadcn/ui · Framer Motion · Recharts + MUI X Charts · react-hot-toast.
Structure
src/
main.jsx entry — mounts <App/>, imports index.css
App.jsx providers + the entire route table
index.css design tokens (HSL CSS variables) + utility layers
api/ the backend seam — see below
base44Client.js the contract the production app talks to
store.js in-memory entity store, mirrored to localStorage
aiEngine.js local, deterministic InvokeLLM
seed.js demo dataset
attendanceSeed.js shift/attendance dataset
lib/ domain logic and data hooks
krowHooks.js React Query hooks over the entity store
krowAi.js AI workflows
krowScore.js score engine
AuthContext.jsx auth provider
admin/ admin session, permissions, position insights
skills/ the Owliver skill system (registry, resolver, flows)
agents/ the agent system (registry, runtime, lifecycle)
skills/ *.md skill definitions — loaded by import.meta.glob
agents/ *.md agent definitions — loaded by import.meta.glob
components/
ui/ 23 shadcn primitives
ds/ 30 design-system components (the app's real vocabulary)
admin/ admin page shell + role glyphs
krow/ domain components (+ talent/, proving/)
charts/ MUI X Charts wrappers and theme
agents/ agent configure / canvas / test panel
forge/ KROW Forge skill + challenge components
skills/ skill authoring surfaces
ai-assistant/ Owliver — panel, routing, capabilities, history
layouts/ AdminLayout — header nav, ⌘K search, assistant panel
pages/ route components (admin/ holds the live product)
hooks/ shared hooks
assets/ brand asset references
Routes
The app opens on /admin/login. Everything else lives under /admin/* behind two guards:
ProtectedRoute (auth) and AdminRoute (admin session), rendered inside AdminLayout.
| Path | Page |
|---|---|
/admin/login |
Admin sign-in — outside the protected boundary |
/admin |
Control Center |
/admin/positions, positions/new, positions/:id |
Positions, Create, Detail |
/admin/candidates, candidates/:id |
Candidates, Candidate Intelligence profile |
/admin/hired · /admin/talent-pool |
Hired History, Talent Pool |
/admin/university, university/:id |
KROW Forge, challenge detail |
/admin/analytics · /admin/activity |
Analytics, Activity |
/admin/profile · /admin/settings |
Profile, Settings |
/admin/workspace |
Workspace hub |
/admin/workspace/agents, agents/new, agents/:id |
Agent list, agent editor |
/admin/workspace/skills, skills/new, skills/:id |
UI skill list and editor |
/admin/workspace/skills/owliver/new, owliver/:id |
Owliver skill editor |
/admin/workspace/skill-development |
Skill Development |
* |
lib/PageNotFound.jsx |
Legacy top-level paths (/overview, /positions, /candidates, /hired, /talent-pool,
/university, /analytics, /activity, /tracking) all Navigate into their /admin/*
equivalent, id preserved. Static route segments are declared before dynamic ones so
workspace/agents/new cannot be read as an agent whose id is "new".
Note.
App.jsxstill imports a set of pre-redesign Employer/Talent pages (Overview,Apply,WorkerProfile,KrowIdentity,EmployeeDashboard,DesignSystem, …) andlayouts/Layout.jsx. None of them are mounted on a route — they are unreachable at runtime and retained pending a decision on whether to re-route or remove them.
The backend seam
The production app talks to a Base44 backend through src/api/base44Client.js. This demo keeps that
module path, export name and full method contract, and swaps only the transport:
| Contract | Demo implementation |
|---|---|
base44.entities.<Name>.list/filter/get/create/update/delete |
api/store.js — in-memory records, mirrored to localStorage |
base44.integrations.Core.InvokeLLM |
api/aiEngine.js — local, deterministic |
base44.integrations.Core.UploadFile |
blob URLs, session-scoped |
base44.auth.* |
seeded employer/admin user, always signed in |
Because the seam did not move, everything above it — lib/krowHooks.js, lib/krowAi.js,
lib/krowScore.js, every page and component — is unchanged from the reference implementation.
The AI engine
Every AI workflow funnels through one call, InvokeLLM({ prompt, response_json_schema }).
api/aiEngine.js reimplements it locally: it recognises each workflow by the phrase its prompt opens
with, reads the structured fields the prompt already carries (Years Experience: 6,
Required Certifications: …, the talent-pool JSON block) and scores them deterministically.
Nine workflows are implemented: candidate screening, job-description generation, résumé building, interview questions, interview evaluation, talent matching, Owliver's conversation, Career DNA building and Proving Ground evaluation. Results respond to the data rather than being canned — the same input always returns the same output.
Skills and agents
Two registries discover their definitions from markdown at build time:
| Registry | Glob | Files |
|---|---|---|
lib/skills/registry.js |
import.meta.glob('/src/skills/**/*.md') |
18 Owliver skills, 5 workforce training skills |
lib/agents/registry.js |
import.meta.glob('/src/agents/**/*.md') |
9 agent definitions |
These globs are absolute paths. Moving or renaming src/skills/ or src/agents/ makes the
registry silently return nothing — no build error, no import failure, just an empty registry. Add
definitions by dropping a new .md file into the right folder; nothing else needs to change.
Demo data
Seeded in src/api/seed.js — positions, applicants, AI-scored candidates, interviews, hires,
talent-pool profiles, Proving Ground courses and an activity log; shift data in
src/api/attendanceSeed.js.
Edits persist to localStorage. To restore the shipped dataset:
// in the browser console
localStorage.removeItem('krow_demo_db'); location.reload();
Bumping STORAGE_VERSION in src/api/store.js (currently 8) invalidates saved snapshots
automatically, so changing the seed does not require a manual clear.
Design system
Tokens live in src/index.css as HSL CSS variables consumed by tailwind.config.js.
| Token | Value |
|---|---|
| Primary — KROW Blue | #0A39DF |
| Accent — KROW Yellow | #F9E547 |
| Pale Yellow | #F8E08E |
| Dark Navy | #333F48 |
| Mint | #D1E0D7 |
| Radius | 0.75rem |
| Headings | Sora |
| Body | Inter |
src/components/ds/ is the vocabulary the app actually writes in — Surface, KpiCard,
DataTable, PageHeader, Modal, toast and the rest, exported through ds/index.js.
src/components/ui/ holds the shadcn primitives those are built on. Surfaces use glass and
glass-card; the page background is the gradient-mesh utility.
Toasts go through ds/toast (a wrapper over react-hot-toast), rendered by <HotToaster> in
App.jsx.
Scripts
| Command | Purpose |
|---|---|
npm run dev |
Dev server (honors PORT, default 5173) |
npm run build |
Production build |
npm run preview |
Serve the build |
npm run lint |
ESLint — currently clean |
npm run lint:fix |
ESLint with --fix |
npm test |
scripts/skill-check.mjs — 835 assertions over the skill and agent systems |
npm run typecheck |
tsc -p ./jsconfig.json with checkJs |
The test harness
npm test boots a real Vite dev server in middleware mode and ssrLoadModules the actual
application modules, so it exercises the real @/ alias and import.meta.glob pipeline rather than
mocks. It also diffs Owliver's behaviour across eleven page contexts against a committed snapshot,
scripts/__baseline__/owliver-baseline.json; regenerate that deliberately with
node scripts/owliver-baseline.mjs --write, never to turn a red check green.
Because it loads modules by absolute path, the harness pins the locations of src/api/, src/lib/,
src/lib/skills/, src/lib/agents/, src/components/ai-assistant/, src/App.jsx,
src/layouts/AdminLayout.jsx and a handful of agent files. Move any of them and update
scripts/owliver-capture.mjs and scripts/skill-check.mjs in the same change.
Known-failing checks
Two checks fail on a clean checkout and are tracked as separate work, not regressions:
npm test— 834/835 pass;the seeded overtime climb is foundfails.npm run typecheck— 59 errors, all pre-existing JSDoc/inference gaps inlib/krowAi.js,lib/skills/*,lib/positionModel.jsand a few components.
Deployment
Dockerfile builds with node:22-alpine (capped at 1 GB heap for small hosts) and serves the
static dist/ from nginx:alpine using nginx.conf — gzip, immutable /assets/ caching and an
SPA fallback to index.html so client-side routes resolve on refresh.