Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
吃饭记录 - 饮食记录每天吃什么减肥打卡瘦身轻断食管理软件
我们想做的是一件小事：
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 吃饭记录 - 饮食记录每天吃什么减肥打卡瘦身轻断食管理软件: map the core Food & Drink workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Implement a barcode scanner for easier meal logging.
Assumption to check: Users find it hard to track their meals accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Integrate an AI feature for meal suggestions based on user preferences.
Assumption to check: Lack of personalized meal recommendations.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance the diary view with filtering and sorting options.
Assumption to check: Difficult to navigate between logged meals.
Validate with people who use this workflow before building.
Hypothesis 4
Add gamification elements like badges for milestones.
Assumption to check: Limited engagement and motivation features.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
我们想做的是一件小事： 让你用更喜欢的方式，记下每天的每一餐。 在这里，吃饭不只是“填一条记录”，而是把早餐、午餐、晚餐、加餐变成一枚枚贴纸。你可以把常吃餐食存进素材库，下次一键复用；也可以在周/月记录表里回看自己的节奏，看看哪些日子认真吃饭，哪些时段容易漏餐。 我们把“坚持”做得更轻一点： 用贴纸打卡，降低记录负担； 用素材库复用，提高记录速度； 用统计页复盘，看到自己的变化； 用导出和海报分享，留下有温度的饮食轨迹； 当你不想写很多字时，贴纸就是最好的表达。 一顿、一日、一周，慢慢把饮食习惯稳下来。 陪你把日常吃饭这件事，记录得更有趣，也更容易坚持。
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Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
axios
react-navigation
expo-image-picker
BUILD KIT DIFFICULTY
Starter
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
