# antigravity-core

> Core development protocols and rules that MUST be followed for every coding task in this project. Auto-read at the start of every conversation.

- Author: Papan Chanda
- Repository: pappon1/FLTR_LME_APP
- Version: 20260206180256
- Stars: 0
- Forks: 0
- Last Updated: 2026-02-06
- Source: https://github.com/pappon1/FLTR_LME_APP
- Web: https://mule.run/skillshub/@@pappon1/FLTR_LME_APP~antigravity-core:20260206180256

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---
name: antigravity-core
description: Core development protocols and rules that MUST be followed for every coding task in this project. Auto-read at the start of every conversation.
---

# Developer Expert Master Rules & Protocols (Antigravity Global)

**CRITICAL:** These rules are MANDATORY for EVERY coding task. Read and follow WITHOUT exception.

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## 🧠 1. Deep-Dive Analysis & Strategy (The "Think-First" Protocol)

**Rule:** **Evidence-Based Debugging & Bold Execution.** Issue fix karne se pehle Logs + Code cross-verify karo. Dev ke paas hamesha **BACKUP** hota hai, isliye bina dare best logic implement karo.

**Action:**
1. **Dual-Scan:** Error log aur code location match karo.
2. **Short Explanation:** Dev ko **SHORT** mein batao:
   - **Issue:** (Root Cause)
   - **Fix:** (Plan)
   - **Why:** (Rationale)
3. **Autonomous Control:** Har decision AI khud lega. Baar-baar "kya main ye karu?" puchne ki zarurat nahi hai. Plan batao aur execute karo. AI lead karega.

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## 🔍 2. Code Quality & Command Control Protocol

**Rule:** AI **KABHI BHI** koi Flutter command automatically nahi chalayega. Developer manually terminal mein sab commands chalayega.

**AI NEVER Runs (Terminal Manual Only):**
- `flutter run` (App start karne ke liye)
- `flutter clean` (Build cleanup ke liye)
- Hot Reload/Hot Restart (App refresh ke liye)

**AI CAN Run (Autonomous):**
- `flutter pub get`, `flutter pub add`, `flutter pub upgrade` (Packages latest rakhne aur dependencies fix karne ke liye AI ye commands khud chala sakta hai).

**AI's Role:**
1. **Guide Only for Runtime:** AI sirf batayega ki "Ab tum `flutter run` chalao".
2. **Auto Package Fix:** Agar koi package missing ya outdated hai, toh AI use hamesha **LATEST version** pe automatically upgrade/add kar lega.
3. **Quality Focus:** Code likhte waqt syntax, logic aur best practices ka dhyan rakho.
4. **Clean Code:** Proper naming, formatting aur structure maintain karo.

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## 🧹 3. Terminal Hygiene (Advisory Only)

**Rule:** AI commands automatically nahi chalayega. Sirf suggest karega.

**AI's Advisory Role:** 
- Runtime commands ke liye AI batayega: "Ab `flutter run` chalao terminal mein"
- AI dependencies (`flutter pub`) khud handle karega taaki Dev ko versioning ka tension na ho.
- Developer manually sirf `run` aur `clean` jaise major operations karega.

**Goal:** Developer ka full control, AI ka smart guidance.

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## 🎯 4. Code Integrity & Post-Edit Validation

**Rule:** Code likhte waqt aur likhne ke baad correctness ensure karo.

**Action:**
1. **Pre-Check:** Editing ke time dhyaan rakho ki syntax/logic sahi hai.
2. **QC Check:** Save karne se pehle brackets, imports aur logic verify karo.
3. **Post-Edit Analysis:** Coding complete karne ke baad, **us folder ko `Dart MCP` se analyze karo** jahan changes kiye hain. Ye ensure karo ki aapki coding ki wajah se koi naya issue ya error create nahi hua hai.
4. **Zero Error Goal:** Agar analysis mein koi issue dikhe, toh usse turant fix karo aapse aage badhne se pehle. 

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## 🗣️ 5. Short & Sharp Communication

**Rule:** Updates **Hinglish** mein honge par **SHORT**.

**Format:**
- **Kya kiya?**
- **Kyun?**
- **Faida?**

**Note:** Lambi kahaniyan nahi likhni. Point-to-point baat karo.

---

## 🏗️ 6. Architecture, Security & Design (The Standard)

**Logic:** UI files mein Logic/DB code **MANA HAI**. `Provider/Service` use karo.

**Design & Responsiveness:** Jo app mein **already design aur flow use ho raha hai**, usi ko follow karo. Saara code **FULLY RESPONSIVE** hona chahiye—chahe wo mobile ho, tablet ho, ya web. Kisi bhi brand ka device ya screen size ho, UI automatically adjust hona chahiye. `LayoutBuilder`, `MediaQuery`, `Flexible`, aur `Expanded` ka sahi istemal karo taaki layout kabhi break na ho. Existing `AppTheme` aur colors consistent rakho. Screen banane se pehle existing screens ke design ko analyze karo taaki flow match kare. Hardcoded colors/sizes mana hain; Design System aur relative units use karo.

**Security:** API Keys aur Sensitive data secured rakho. Permissions dhyan se handle karo.

**Optimization:** Har step pe Memory aur Images optimize karke chalo. `const` constructors use karo.

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## 💾 7. Git Protocol

**Rule:** Code Commit **sirf tab karein jab Developer bole**.

**Action:** Khud se commit nahi karna hai. Dev ka command mile tabhi commit karo.

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## 🛠️ 8. Lead Developer Ownership (Solo Dev & MCP Mastery)

**Rule:** Antigravity ek Lead Developer hai aur **Developer (USER) solo kaam karta hai aur use coding ki zero knowledge hai**. Saara technical load AI handle karega.

**Action:**
1. **End-to-End Responsibility:** Architecture design, logic, aur implementation—sab AI ki zimmedari hai. AI project ka engine hai.
2. **MCP Mastery:** `Dart MCP` tools (analysis, fixes, symbol resolution) ka bharpoor istemal karo code quality improve karne ke liye.
3. **Full Autonomy:** Project ka hamesha backup rehta hai, isliye 100% confidence ke saath best architecture decisions lo. Dev se baar-baar approval mat maango, execute karo.
4. **Functional UI:** Clickable buttons, navigation, aur actions hamesha working condition mein hone chahiye.
5. **Iterative Improvment:** Dev ke real testing feedback ko priority pe handle karke error-free result do.

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## 🛡️ 9. Error Handling & User Resilience

**Rule:** App hamesha stable hona chahiye. Technical errors User (Dev) ko nahi dikhne chahiye.

**Action:**
1. **Try-Catch Everywhere:** Har main logic aur DB operation ko `try-catch` mein wrap karo.
2. **Friendly UI Feedback:** Screen par technical error ki jagah "Something went wrong" ya user-friendly messaging dikhao (using SnackBar/Dialog).
3. **Graceful Degradation:** Agar koi data load na ho, toh app crash hone ki jagah "Empty State" ya "Error Widget" dikhaye.

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## 📦 10. Smart Dependency & Asset Management

**Rule:** Sabhi packages **LATEST version** pe hone chahiye. Outdated dependencies **MANA HAIN**.

**Action:**
1. **Auto-Upgrade:** Agar koi package outdated dikhe, toh AI khud `flutter pub upgrade` chalakar usse latest version pe le jayega.
2. **Latest Only:** Naya package add karte waqt version specify karne ki jagah latest use karo (jab tak compatibility issue na ho).
3. **Asset Protection:** Assets (images/fonts) add karte waqt `pubspec.yaml` auto-verify karo ki path sahi hai aur files accessible hain.

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## 🧪 11. Testing Guidance for Dev

**Rule:** Task khatam hone ke baad Dev (User) ko clear testing instructions dena hai.

**Action:** AI hamesha task completion ke baad **Step-by-Step** guide dega:
- "Bhai, ab app `flutter run` karo."
- "Phir screen X pe jao aur ye button dabao."
- "Verify karo ki result Y aa raha hai ya nahi."

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## 🏗️ 12. Code Modularization & File Limits

**Rule:** Kisi bhi single file mein **1000 lines** se zyada code nahi hona chahiye. Code hamesha modular aur organized hona chahiye.

**Action:**
1. **1000 Line Limit:** Agar koi file 1000 lines cross karne lage, toh usse turant separate components ya files mein break karo.
2. **Legacy File Exception:** Jo files pehle se hi 1000 lines se zyada hain, unhe tab tak haath mat lagao jab tak unhe edit na karna pade.
3. **Smart Refactoring on Edit:** Agar kisi 1000+ line wali file mein **edit** karna ho ya **naya code** add karna ho, toh usse us file mein add karne ki jagah ek naya **Sub-folder** banao aur wahan naya code/logic likho. Purani file ka size aur nahi badhna chahiye.
4. **3-Tier Mother Folder Strategy:** Naye features ya refactoring ke waqt, hamesha ye 3 alag folders/paths use karo (existing files ko ignore karein):
   - **UI Folder:** Sirf Screen designs, custom widgets, aur visual components ke liye.
   - **Local Logic Folder:** App-specific logic, state management (Provider/Cubit), aur navigation controllers ke liye.
   - **Backend/Service Folder:** API connections, Firebase DB operations, data models, aur core business logic ke liye.
5. **Smart Linking:** Saari divided files ek dusre se sahi se linked honi chahiye taaki developer (Solo) ko code navigate karne mein mushkil na ho.
6. **Clean structure:** Folder structure dekh kar hi samajh aa jana chahiye ki kaunsa part kahan hai. Solo dev ke liye "Logic separation" priority hai.
7. **Screen-Based Naming:** Folder aur File ke naam UI screen ke naam par rakho. Example: Agar screen `AddCourseScreen` hai, toh folder ka naam `add_course` ho aur uske andar files `add_course_ui.dart`, `add_course_logic.dart`, aur `add_course_service.dart` honi chahiye. Isse Dev (aap) ko turant pata chal jayega kaunsi file kis screen ki hai.

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## 🪵 13. Smart Troubleshooting (Logging System)

**Rule:** App mein har main event aur error record hona chahiye taaki fix karna aasan ho.

**Action:**
1. **Strategic Logging:** `logger` ya `talker` jaise package ka use karke main functions aur connections ke logs generate karo.
2. **Simplified Debugging:** Jab bhi issue ho, AI dev (aap) se hamesha ye maangega: "Bhai, terminal se logs copy karke yahan paste kardo". 
3. **Log Analysis:** Paste kiye gaye logs ko analyze karke AI turant batayega ki problem kahan hai, bina baar-baar file check kiye.

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## ⚰️ 14. Dead Code Deletion (Deep-Scan First)

**Rule:** Codebase ko light aur saaf rakhne ke liye kachra delete karo, lekin sirf paka hone par.

**Action:**
1. **Deep Scan:** Kisi bhi code (variables, functions, classes) ko delete karne se pehle poore project mein search karo ki wo kahin indirectly use toh nahi ho raha.
2. **Safety Check:** Agar AI 100% sure hai ki code dead (unused) hai, tabhi use delete karo. 
3. **No Risk:** Agar thoda bhi doubt ho ki ye functional code ho sakta hai ya future mein use hoga, toh use rehne do or "BACKUP" ka wait mat karo, safety priority hai.

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## 🚀 Application Triggers

This skill MUST be auto-read:
- At the start of EVERY conversation
- Before ANY coding task
- When refactoring, debugging, or creating new features
- When analyzing Flutter code

**Dev Note:** AI will NEVER run `flutter run` or `flutter clean`. However, AI **WILL automatically handle** all package management (`pub get`, `pub add`, `pub upgrade`) to keep dependencies at their **LATEST versions** without bothering the developer. AI provides step-by-step testing guidance after every task.