Day 2 Lean Planning & PROJECT.md (Interactive Lab Module)
🏠 LMS Home 🖥️ Open Presentation Slides 📖 View Textbook

Day 2. Lean Planning & PROJECT.md

Transform raw venture ideas into structured engineering specifications using Codex. The goal is to produce the 14-section PROJECT.md document and HANDOFF_PROMPT.md so that Antigravity can scaffold the MVP directly on Day 3.

🎯 Objective 1. Customer Problem DefinitionDefine specific customer persona, core problem, and unique value proposition
🎯 Objective 2. Core User Flow & ScreensMap unbroken Input ➔ Processing ➔ Result flow and screen hierarchy
🎯 Objective 3. 14-Section PROJECT.mdDraft comprehensive baseline specifications with concrete Acceptance Criteria
🎯 Objective 4. Scope Trimming & HandoffTrim Must-Haves to 3–5 items and finalize HANDOFF_PROMPT.md for Day 3
🖥️ Day 2 LECTURE Core Slide Deck (Interactive Viewer)
1 / 14
💡 Self-Study Tip: An MVP that solves one problem thoroughly is far better than a half-built app with 10 features.

⏱️ Daily Schedule Breakdown (6 Hours / 360 Mins)

Time Type Key Topics Deliverable
20 MinsRetrospectiveDay 1 review, open questions, and Day 2 goals alignmentGoal Checklist
40 MinsLecture 1Customer problems, core user loop, screen & data modelsProblem Definition
30 MinsLecture & DemoCodex-driven 14-section PROJECT.md drafting demonstrationDemo Specifications
50 MinsLab 1Define problem, target customer persona, and core valuePROBLEM_DEFINITION.md
50 MinsLab 2Map end-to-end user loop, screen list, and data schemaCORE_FLOW.md
60 MinsLab 3Draft standard 14-section PROJECT.md using CodexPROJECT.md
50 MinsLab 4 & 5Feature prioritization, scenario testing, and scope reductionPROJECT.md (Refined)
30 MinsWrap-upFinalize HANDOFF_PROMPT.md and prepare for Day 3 scaffoldingHANDOFF_PROMPT.md

💻 Day 2 Hands-on Lab Assignment Board

Click any task card to inspect step-by-step guides, copy-ready prompts, file structures, and self-audit checklists.

Lab Progress: 0 / 8 Completed (0%) Click checkboxes on each card to track your progress
Task 01 Codex Web ChatGPT
⏱️ 50 Mins

Customer Problem & Core Value Definition

Structure target user persona, pain points, current alternatives, and value hypothesis into PROBLEM_DEFINITION.md.

Deliverable 📄 PROBLEM_DEFINITION.md
Task 02 Codex Web ChatGPT
⏱️ 50 Mins

Core User Flow & Screen Mapping

Map out the complete end-to-end Input ➔ Processing ➔ Result flow, 3–5 core screens, and data models in CORE_FLOW.md.

Deliverable 📄 CORE_FLOW.md
Task 03 Codex Web ChatGPT
⏱️ 60 Mins

Standard 14-Section PROJECT.md Specification

Synthesize definitions into the comprehensive 14-section PROJECT.md baseline document with verifiable Acceptance Criteria.

Deliverable 📄 PROJECT.md (14 Sections)
Task 04 Codex Web ChatGPT
⏱️ 30 Mins

Feature Prioritization & MVP Scope Trimming

Classify features into Must/Should/Could/Out of Scope to strictly restrict Must-Have features to 3–5 items.

Deliverable 📄 PROJECT.md (Scope Trimmed)
Task 05 Codex Web ChatGPT
⏱️ 30 Mins

User Scenario Simulation & QA Audit

Simulate Happy Path, Empty/Missing Input, and Failure recovery scenarios to eliminate contradictions in SCENARIOS.md.

Deliverable 📄 SCENARIOS.md
Task 06 Codex Antigravity Web ChatGPT
⏱️ 20 Mins

Antigravity Development Handoff Prompt

Structure the 6-element development prompt in HANDOFF_PROMPT.md so Antigravity can start building on Day 3.

Deliverable 📄 HANDOFF_PROMPT.md
Bonus Track A Codex Web ChatGPT
🚀 Planner App Specialization

AI Travel Itinerary Planner Specification

Draft TRAVEL_PROJECT.md for an AI itinerary service recommending route optimization based on user preferences.

Deliverable 📄 TRAVEL_PROJECT.md
Bonus Track B Codex Web ChatGPT
🚀 Custom Startup Idea

Custom Venture Idea PROJECT.md Formulation

Formulate a comprehensive 14-section MY_PROJECT.md specification based on your own real-world startup concept.

Deliverable 📄 MY_PROJECT.md

❓ Day 2 Self-Evaluation Comprehension Quiz

Q. What is the most critical guideline when defining Must-Have features in PROJECT.md?
① Include all possible nice-to-have features for future expansion.
② Restrict Must-Have features to 3–5 items that solve the core problem completely without adding unnecessary clutter.
③ Leave acceptance criteria empty so AI can implement features flexibly.

🎁 Day 2 Core Deliverables Definition

Essential deliverables that must be completed in your workspace (my-project) by the end of Day 2.

Deliverable 01
📄 PROBLEM_DEFINITION.md

Target customer persona, real pain points, current alternatives, and value hypothesis.

Deliverable 02
📄 CORE_FLOW.md

End-to-end Input ➔ Processing ➔ Result flow, 3–5 core screens, and data models.

Deliverable 03
📄 PROJECT.md (14 Sections)

Single source of truth specification with 3–5 Must features and Acceptance Criteria.

Deliverable 04
📄 HANDOFF_PROMPT.md

Turnkey prompt instructing Antigravity to scaffold the MVP directly on Day 3.

📬 Deliverables Submission & Registration Center

Day 2 Core Deliverables & Classroom Submission

Upload your core deliverables to Google Drive and register your submission in Google Classroom.

💡 How to Submit & Register Your Assignment
[Step 1] Google Drive File Upload: Set the file name format as [TeamName]_[Title] (e.g. Maikaratu-Enterprice_Day2_Deliverables) and upload it to the Google Drive folder.
[Step 2] Google Classroom Registration: Click the [Register Submission] button below to open Google Classroom, then add a comment in the format Assignment Submitted : [Google Drive Link] to complete your registration.
☁️ Upload Day 2 Deliverables (Google Drive) 📋 Register Submission (Google Classroom)