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skills/rails-pattern-recognition/skill.md

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+---
+name: rails-pattern-recognition
+description: Adaptive learning system that tracks implementation patterns, success rates, and performance metrics to suggest proven solutions for future tasks.
+version: 1.1
+priority: 5
+---
+
+# Rails Pattern Recognition
+
+Adaptive learning system for Rails workflows.
+
+## Usage
+
+```python
+# Suggest patterns
+patterns = invoke_skill("rails-pattern-recognition", mode="suggest", context_tags=["rails", "auth"])
+
+# Update metrics
+invoke_skill("rails-pattern-recognition", mode="update", metrics={
+  "pattern_used": "Devise Auth",
+  "success": true,
+  "duration_minutes": 15
+})
+```
+
+## Implementation
+
+This skill manages a JSON database of implementation patterns and their performance metrics.
+
+### Data Structure (`.claude/data/rails-patterns.json`)
+
+```json
+{
+  "patterns": {
+    "Devise Auth": {
+      "tags": ["rails", "auth", "devise"],
+      "uses": 10,
+      "successes": 9,
+      "avg_duration": 12.5,
+      "last_used": "2023-10-27T10:00:00Z"
+    }
+  }
+}
+```
+
+### Modes
+
+#### 1. Suggest (`mode="suggest"`)
+- **Input**: `context_tags` (list of strings)
+- **Logic**:
+  - Filter patterns matching at least one tag
+  - Calculate confidence score: `(successes / uses) * log(uses + 1)`
+  - Sort by confidence
+- **Output**: List of patterns with confidence scores
+
+#### 2. Update (`mode="update"`)
+- **Input**: `metrics` (dict)
+  - `pattern_used` (string)
+  - `success` (boolean)
+  - `duration_minutes` (float)
+- **Logic**:
+  - Update `uses`, `successes`
+  - Recalculate `avg_duration`
+  - Update `last_used`
+- **Output**: Confirmation
+
+## Standalone Operation
+
+This skill operates entirely within the project's `.claude/` directory, ensuring portability and independence from global system state.