{
  "episode_id": "ep_20250115_1530",
  "timestamp": "2025-01-15T15:30:00Z",
  "event_type": "implementation",
  "description": "Implemented user authentication with OAuth",
  "context": {
    "objective": "Add OAuth to existing password auth",
    "approach": "Expand-migrate-contract pattern",
    "decisions": [
      {
        "question": "JWT vs Sessions?",
        "choice": "JWT",
        "rationale": "Stateless, scales better"
      }
    ],
    "outcomes": {
      "quality_score": 94,
      "test_coverage": 89,
      "time_actual": "6.5 hours",
      "time_estimated": "5 hours"
    },
    "learnings": [
      "OAuth token refresh needs explicit testing",
      "Expand-migrate-contract took longer than estimated"
    ]
  },
  "tags": ["authentication", "oauth", "implementation"],
  "embedding": [0.123, -0.456, ...] // For similarity search
}

undefined

**Benefits**:
- Avoid repeating mistakes
- Apply successful patterns
- Improve estimation accuracy
- Faster decision-making

**Storage**:
- **Simple**: JSON files in `.memory/episodic/YYYY-MM-DD/`
- **Advanced**: Vector DB for semantic search

---

{
  "skill_id": "implement_authentication",
  "skill_name": "Implementing Authentication Systems",
  "learned_from": [
    "ep_20250115_1530",
    "ep_20250120_1045",
    "ep_20250125_1400"
  ],
  "pattern": {
    "approach": "Expand-migrate-contract",
    "steps": [
      "1. Add new auth alongside existing",
      "2. Dual-write period (both methods work)",
      "3. Migrate users gradually",
      "4. Deprecate old auth"
    ],
    "pitfalls": [
      "Always test token refresh explicitly",
      "Plan for 20% longer than estimated (migrations complex)"
    ],
    "success_criteria": {
      "quality_score": ">= 90",
      "test_coverage": ">= 85",
      "backward_compatible": true
    }
  },
  "usage_count": 3,
  "success_rate": 1.0,
  "avg_quality_score": 93.3,
  "avg_time_hours": 6.2,
  "last_used": "2025-01-25T14:00:00Z"
}

undefined

**Benefits**:
- Codify successful patterns
- Improve patterns over time
- Share knowledge across team
- Faster implementation (apply proven patterns)

**Storage**: `.memory/procedural/skills/`

---

{
  "concepts": [
    {
      "id": "oauth",
      "type": "technology",
      "description": "OAuth 2.0 authorization framework",
      "properties": {
        "security_level": "high",
        "complexity": "medium",
        "browser_required": true
      },
      "relationships": [
        {
          "type": "used_by",
          "target": "user_authentication",
          "weight": 0.95
        },
        {
          "type": "requires",
          "target": "jwt",
          "weight": 0.85
        },
        {
          "type": "alternative_to",
          "target": "password_auth",
          "weight": 0.7
        }
      ]
    }
  ],
  "facts": [
    {
      "subject": "oauth",
      "predicate": "supports",
      "object": "multiple_providers",
      "confidence": 1.0,
      "source": "ep_20250115_1530"
    }
  ]
}

undefined

**Benefits**:
- Build institutional knowledge
- Understand concept relationships
- Make informed decisions
- Avoid knowledge loss

**Storage**:
- **Simple**: JSON files in `.memory/semantic/`
- **Advanced**: Neo4j graph database

---

{
  "session_id": "session_20250126_1200",
  "started_at": "2025-01-26T12:00:00Z",
  "current_task": "Implementing user authentication",
  "context": {
    "files_read": [
      "src/auth/login.ts",
      "src/auth/tokens.ts"
    ],
    "decisions_made": [
      {"what": "Use JWT", "why": "Stateless scaling"}
    ],
    "next_steps": [
      "Implement token refresh",
      "Add rate limiting"
    ]
  },
  "temporary_data": {
    "research_findings": "...",
    "plan_summary": "..."
  }
}

// Store episodic memory
await storeMemory({
  type: 'episodic',
  event: {
    description: 'Implemented OAuth authentication',
    decisions: [...],
    outcomes: {...},
    learnings: [...]
  },
  tags: ['authentication', 'oauth', 'implementation']
});

// Store procedural memory (learned pattern)
await storeMemory({
  type: 'procedural',
  skillName: 'Implementing Authentication',
  pattern: {
    approach: 'Expand-migrate-contract',
    steps: [...],
    pitfalls: [...]
  }
});

// Store semantic memory (fact)
await storeMemory({
  type: 'semantic',
  fact: {
    subject: 'oauth',
    predicate: 'requires',
    object: 'jwt',
    confidence: 0.95
  }
});

// Recall similar episodes
const similarEpisodes = await recallMemory({
  type: 'episodic',
  query: 'implementing authentication',
  limit: 5
});

// Recall learned patterns
const authPattern = await recallMemory({
  type: 'procedural',
  skillName: 'Implementing Authentication'
});

// Query knowledge
const oauthFacts = await recallMemory({
  type: 'semantic',
  concept: 'oauth'
});

// Track user preferences
const preferences = await recall Memory({
  type: 'semantic',
  concept: 'user_preferences'
});

// Learn from usage patterns
const userPatterns = {
  preferred_approach: 'TDD', // User always uses TDD
  testing_thoroughness: 'high', // User requests >=95% coverage
  verification_level: 'all_layers', // User runs all 5 layers
  commit_style: 'conventional' // User uses conventional commits
};

// Apply personalization
if (userPatterns.preferred_approach === 'TDD') {
  // Auto-suggest TDD workflow
  // Skip asking "test-first or code-first?"
}

#!/bin/bash

---

#!/bin/bash

---

.memory/
├── episodic/              # Past events
│   ├── 2025-01-15/
│   │   ├── session_153000.json
│   │   └── decision_153045.json
│   └── 2025-01-16/
│       └── session_090000.json
├── procedural/            # Learned skills
│   └── skills/
│       ├── authentication_impl.json
│       ├── testing_pattern.json
│       └── verification_approach.json
├── semantic/              # Knowledge graph
│   ├── concepts.json
│   └── relationships.json
└── short-term/            # Active session
    ├── current-session.json
    └── last-session.json (backup)

// Step 1: Explore - Check memory for similar implementations
const similarWork = await recallMemory({
  type: 'episodic',
  query: currentObjective,
  limit: 3
});

// Apply learnings
if (similarWork.length > 0) {
  console.log("📚 Found similar past work:");
  similarWork.forEach(episode => {
    console.log(`  - ${episode.description}`);
    console.log(`    Quality: ${episode.outcomes.quality_score}`);
    console.log(`    Learnings: ${episode.learnings.join(', ')}`);
  });
}

// Step 2: Plan - Use learned patterns
const authPattern = await recallMemory({
  type: 'procedural',
  skillName: 'Implementing Authentication'
});

if (authPattern) {
  console.log("📖 Applying learned pattern:");
  console.log(`  Approach: ${authPattern.pattern.approach}`);
  console.log(`  Estimated time: ${authPattern.avg_time_hours} hours`);
}

// Step 6: Commit - Save to episodic memory
await storeMemory({
  type: 'episodic',
  event: {
    description: 'Implemented user authentication',
    decisions: capturedDuringImplementation,
    outcomes: {
      quality_score: 94,
      test_coverage: 89,
      time_actual: 6.5,
      time_estimated: 5
    },
    learnings: [
      'Token refresh needs explicit testing',
      'Estimation was 30% low'
    ]
  }
});

// Extract and update patterns
await learnFromExperience(['authentication', 'implementation']);

// Recall similar plans
const similarPlans = await recallMemory({
  type: 'episodic',
  query: 'plan for ' + objective,
  filter: 'event_type == "planning"'
});

// Check quality of past plans
if (similarPlans.length > 0) {
  const avgQuality = average(similarPlans.map(p => p.outcomes.quality_score));
  console.log(`📊 Past similar plans averaged ${avgQuality}/100`);
}

// Save plan to memory
await storeMemory({
  type: 'episodic',
  event: {
    event_type: 'planning',
    description: 'Planned OAuth implementation',
    context: {
      tasks: planGenerated.tasks.length,
      quality_score: planGenerated.quality_score,
      estimated_hours: planGenerated.metadata.estimated_total_hours
    }
  }
});

// Recall common issues for this type of code
const commonIssues = await recallMemory({
  type: 'semantic',
  concept: 'authentication',
  relationship: 'common_issues'
});

// Focus verification on known problem areas
verificationFocus = commonIssues.map(issue => issue.description);

// Save verification results
await storeMemory({
  type: 'episodic',
  event: {
    event_type: 'verification',
    description: 'Verified OAuth implementation',
    outcomes: {
      quality_score: 92,
      layers_passed: 5,
      issues_found: 3,
      time_minutes: 85
    }
  }
});

// Update semantic memory with new facts
if (issues_found.includes('bcrypt_rounds_low')) {
  await storeMemory({
    type: 'semantic',
    fact: {
      subject: 'bcrypt',
      predicate: 'recommended_rounds',
      object: '12-14',
      confidence: 0.95,
      source: 'verification_20250126'
    }
  });
}

#!/bin/bash

---

{
  "event": "SessionStart",
  "description": "Load agent memory on session start",
  "handler": {
    "command": ".claude/hooks/load-memory.sh"
  }
}

{
  "event": "SessionEnd",
  "description": "Save agent memory on session end",
  "handler": {
    "command": ".claude/hooks/save-memory.sh"
  }
}

{
  "event": "PostToolUse",
  "tools": ["Write"],
  "description": "Track significant code changes",
  "handler": {
    "command": ".claude/hooks/track-change.sh \"$FILE\" \"$TOOL\""
  }
}

undefined

undefined

import pinecone

---