AI-powered interview practice platform with resume analysis, personalized question generation, instant scoring, and detailed feedback.

• Authentication — Register & login with secure token-based auth
• Resume Upload — Upload resume text to generate personalized interview questions
• AI Question Generation — Auto-generates interview questions tailored to the role and difficulty (uses OpenAI if OPENAI_API_KEY is set, otherwise falls back to a curated question bank)
• AI Answer Scoring — Submit answers and receive instant 1-10 scoring with strengths, improvements, and actionable feedback
• Dashboard — Track total sessions, completion rate, average score, and questions answered
• Session History — Review past sessions with question-by-question breakdown
• Modern Responsive UI — Dark-themed React SPA with Twind/Tailwind, works on mobile and desktop

index.ts               — Hono HTTP entry point (API routes + SPA shell)
api/
  db.ts                — SQLite schema (users, resumes, sessions, questions, answers)
  auth.ts              — Token-based auth (register, login, middleware)
  ai.ts                — AI question generation + answer scoring (OpenAI + fallback)
  resume.ts            — Resume CRUD routes
  sessions.ts          — Session creation, answer submission, scoring, stats
app/
  App.tsx              — Main React app with state-based routing & nav
  components.tsx       — Shared UI: Button, Card, Input, ScoreRing, Badge, etc.
  pages/
    Login.tsx          — Login / Register page
    Dashboard.tsx      — Stats grid + session/resume tabs
    NewInterview.tsx   — Role & difficulty selector
    Interview.tsx      — Question-by-question practice with live scoring
    Results.tsx        — Session summary + per-question breakdown
    ResumeUpload.tsx   — File upload or paste resume text

• Backend: Hono on Val Town (Deno runtime)
• Frontend: React 18 + Twind (Tailwind at runtime)
• Database: Val Town built-in SQLite (Turso/libSQL)
• AI: OpenAI GPT-4o-mini (optional — works without it)

Key	Required	Description
OPENAI_API_KEY	No	OpenAI API key for AI-powered questions & scoring. Without it, the app uses a built-in question bank and heuristic scoring.
AUTH_SECRET	No	Secret key for password hashing & token signing. Without it, a default is used (set for production).

👉 Add OPENAI_API_KEY here: https://www.val.town/x/atchayaa/ai-interview-coach/environment-variables?key=OPENAI_API_KEY

👉 Add AUTH_SECRET here: https://www.val.town/x/atchayaa/ai-interview-coach/environment-variables?key=AUTH_SECRET

Method	Path	Description
POST	/api/auth/register	Register new user
POST	/api/auth/login	Login
GET	/api/auth/me	Get current user
POST	/api/resume/upload	Upload resume text
GET	/api/resume/list	List user's resumes
GET	/api/resume/:id	Get resume content
DELETE	/api/resume/:id	Delete resume
POST	/api/sessions/create	Create session + generate questions
GET	/api/sessions/list	List user's sessions
GET	/api/sessions/:id	Get session details with Q&A
POST	/api/sessions/:id/answer	Submit answer & get score
POST	/api/sessions/:id/complete	Mark session complete
GET	/api/sessions/stats/dashboard	Dashboard aggregate stats