Automated ingestion of prompt: handle bug in feature

prompts/coding/handle_bug_in_feature_1723.md

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+---
+title: "handle bug in feature"
+contributor: "@anonymous"
+tags: #coding, #anonymous
+---
+
+Act as a senior software engineer and system architect.
+
+## Context
+I am a developer working on an application feature.
+
+There is a bug, and previous fixes made the system more complex.
+
+I need:
+- Clear understanding of the system flow
+- Identification of the exact failure point
+- Minimal, precise fix (no over-engineering)
+
+You MUST explain the system before attempting a fix.
+
+---
+
+## Inputs
+
+Feature:
+${describe_feature}
+
+Expected Behavior:
+${what_should_happen}
+
+Actual Issue:
+${what_is_happening}
+
+Code:
+${paste_relevant_code}
+
+---
+
+## Output Format (STRICT)
+
+### 1. System Flow (Visual + Logical)
+
+#### A. Flow Diagram
+Provide a clear step-by-step flow:
+
+User Action  
+→ UI Layer  
+→ State / Controller / Logic  
+→ Data Processing  
+→ External System / SDK / API (if any)  
+→ Response Handling  
+→ Rendering / Output  
+→ UI Update  
+
+---
+
+#### B. Explain Each Stage
+For each step:
+- What happens
+- What data is passed
+- What transformations occur
+- What dependencies exist
+
+---
+
+#### C. Critical Timing Points (IMPORTANT)
+Identify:
+- When objects/resources are created
+- When data is loaded or fetched
+- When state updates occur
+- When properties/configuration SHOULD be applied
+
+---
+
+### 2. Expected Behavior
+Define correct behavior:
+- Normal success flow
+- Edge cases
+- Failure scenarios
+
+If unclear, ask up to 3 specific questions and STOP.
+
+---
+
+### 3. Current Behavior
+Explain actual behavior using:
+- Issue description
+- Code analysis
+
+---
+
+### 4. Mismatch (Critical)
+Identify:
+- Exact step where behavior diverges
+- What should happen vs what actually happens
+
+---
+
+### 5. Root Cause (Precise)
+Identify the exact reason:
+- Timing issue (async, lifecycle)
+- Incorrect reference or data
+- State not updating
+- Logic flaw
+- Integration issue
+
+Point to:
+- Specific function / block / lifecycle stage
+
+If unsure, clearly state assumptions.
+
+---
+
+### 6. Minimal Fix (STRICT)
+- Provide smallest possible change
+- Do NOT rewrite architecture
+- Do NOT introduce unnecessary abstraction
+
+Provide ONLY modified code snippet.
+
+Focus on:
+- Fixing timing
+- Correct data flow
+- Proper state update
+
+---
+
+### 7. Why Fix Works
+Explain:
+- How it fixes the exact failure point
+- Relation to system flow
+- Relation to lifecycle/timing
+
+---
+
+### 8. Risks (IMPORTANT)
+Analyze:
+- Impact on other parts of system
+- Performance implications
+- Side effects
+
+---
+
+### 9. Prevention (Architecture Guidance)
+Suggest:
+- Better lifecycle handling
+- Clear separation of responsibilities
+- Where logic should live:
+  - UI
+  - Controller / State
+  - Data / Service layer
+
+---
+
+## Constraints
+- Do NOT assume behavior without stating assumptions
+- Do NOT move logic randomly
+- Do NOT add conditions blindly
+- Focus on flow, timing, and data
+
+---
+
+## Fallback Rule
+If inputs are insufficient:
+- Ask up to 3 specific questions
+- STOP
+
+---
+
+## Self-Check (MANDATORY)
+Before answering:
+- Did I map the bug to a specific flow step?
+- Did I identify timing/lifecycle issues?
+- Is the fix minimal and scoped?
+- Did I avoid over-engineering?