docs(04): create phase plan

Phase 04: Memory & Context Management
- 4 plan(s) in 3 wave(s)
- 2 parallel, 2 sequential
- Ready for execution
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Mai Development
2026-01-27 21:53:07 -05:00
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---
phase: 04-memory-context-management
plan: 01
type: execute
wave: 1
depends_on: []
files_modified: ["src/memory/__init__.py", "src/memory/storage/sqlite_manager.py", "src/memory/storage/vector_store.py", "src/memory/storage/__init__.py", "requirements.txt"]
autonomous: true
must_haves:
truths:
- "Conversations are stored locally in SQLite database"
- "Vector embeddings are stored using sqlite-vec extension"
- "Database schema supports conversations, messages, and embeddings"
- "Memory system persists across application restarts"
artifacts:
- path: "src/memory/storage/sqlite_manager.py"
provides: "SQLite database operations and schema management"
min_lines: 80
- path: "src/memory/storage/vector_store.py"
provides: "Vector storage and retrieval with sqlite-vec"
min_lines: 60
- path: "src/memory/__init__.py"
provides: "Memory module entry point"
exports: ["MemoryManager"]
key_links:
- from: "src/memory/storage/sqlite_manager.py"
to: "sqlite-vec extension"
via: "extension loading and virtual table creation"
pattern: "load_extension.*vec0"
- from: "src/memory/storage/vector_store.py"
to: "src/memory/storage/sqlite_manager.py"
via: "database connection for vector operations"
pattern: "sqlite_manager\\.db"
---
<objective>
Create the foundational storage layer for conversation memory using SQLite with sqlite-vec extension. This establishes the hybrid storage architecture where recent conversations are kept in SQLite for fast access, with vector capabilities for semantic search.
Purpose: Provide persistent, reliable storage that serves as the foundation for all memory operations
Output: Working SQLite database with vector support and basic conversation/message storage
</objective>
<execution_context>
@~/.opencode/get-shit-done/workflows/execute-plan.md
@~/.opencode/get-shit-done/templates/summary.md
</execution_context>
<context>
@.planning/phases/04-memory-context-management/04-CONTEXT.md
@.planning/phases/04-memory-context-management/04-RESEARCH.md
@.planning/PROJECT.md
@.planning/ROADMAP.md
@.planning/STATE.md
# Reference existing models structure
@src/models/context_manager.py
@src/models/conversation.py
</context>
<tasks>
<task type="auto">
<name>Task 1: Create memory module structure and SQLite manager</name>
<files>src/memory/__init__.py, src/memory/storage/__init__.py, src/memory/storage/sqlite_manager.py</files>
<action>
Create the memory module structure following the research pattern:
1. Create src/memory/__init__.py with MemoryManager class stub
2. Create src/memory/storage/__init__.py
3. Create src/memory/storage/sqlite_manager.py with:
- SQLiteManager class with connection management
- Database schema for conversations, messages, metadata
- Table creation with proper indexing
- Connection pooling and thread safety
- Database migration support
Use the schema from research with conversations table (id, title, created_at, updated_at, metadata) and messages table (id, conversation_id, role, content, timestamp, embedding_id).
Include proper error handling, connection management, and follow existing code patterns from src/models/ modules.
</action>
<verify>python -c "from src.memory.storage.sqlite_manager import SQLiteManager; db = SQLiteManager(':memory:'); print('SQLite manager created successfully')"</verify>
<done>SQLite manager can create and connect to database with proper schema</done>
</task>
<task type="auto">
<name>Task 2: Implement vector store with sqlite-vec integration</name>
<files>src/memory/storage/vector_store.py, requirements.txt</files>
<action>
Create src/memory/storage/vector_store.py with VectorStore class:
1. Add sqlite-vec to requirements.txt
2. Implement VectorStore with:
- sqlite-vec extension loading
- Virtual table creation for embeddings (using vec0)
- Vector insertion and retrieval methods
- Support for different embedding dimensions (start with 384 for all-MiniLM-L6-v2)
- Integration with SQLiteManager for database connection
Follow the research pattern for sqlite-vec setup:
```python
db.enable_load_extension(True)
db.load_extension("vec0")
CREATE VIRTUAL TABLE IF NOT EXISTS vec_memory USING vec0(embedding float[384], content text, message_id integer)
```
Include methods to:
- Store embeddings with message references
- Search by vector similarity
- Batch operations for multiple embeddings
- Handle embedding model version tracking
Use existing error handling patterns from src/models/ modules.
</action>
<verify>python -c "from src.memory.storage.vector_store import VectorStore; import numpy as np; vs = VectorStore(':memory:'); test_vec = np.random.rand(384).astype(np.float32); print('Vector store created successfully')"</verify>
<done>Vector store can create tables and handle basic vector operations</done>
</task>
</tasks>
<verification>
After completion, verify:
1. SQLite database can be created with proper schema
2. Vector extension loads correctly
3. Basic conversation and message storage works
4. Vector embeddings can be stored and retrieved
5. Integration with existing model system works
</verification>
<success_criteria>
- Memory module structure created following research recommendations
- SQLite manager handles database operations with proper schema
- Vector store integrates sqlite-vec for embedding storage and search
- Error handling and connection management follow existing patterns
- Database persists data correctly across restarts
</success_criteria>
<output>
After completion, create `.planning/phases/04-memory-context-management/04-01-SUMMARY.md`
</output>

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---
phase: 04-memory-context-management
plan: 02
type: execute
wave: 2
depends_on: ["04-01"]
files_modified: ["src/memory/retrieval/__init__.py", "src/memory/retrieval/semantic_search.py", "src/memory/retrieval/context_aware.py", "src/memory/retrieval/timeline_search.py", "src/memory/__init__.py"]
autonomous: true
must_haves:
truths:
- "User can search conversations by semantic meaning"
- "Search results are ranked by relevance to query"
- "Context-aware search prioritizes current topic discussions"
- "Timeline search allows filtering by date ranges"
- "Hybrid search combines semantic and keyword matching"
artifacts:
- path: "src/memory/retrieval/semantic_search.py"
provides: "Semantic search with embedding-based similarity"
min_lines: 70
- path: "src/memory/retrieval/context_aware.py"
provides: "Topic-based search prioritization"
min_lines: 50
- path: "src/memory/retrieval/timeline_search.py"
provides: "Date-range filtering and temporal search"
min_lines: 40
- path: "src/memory/__init__.py"
provides: "Updated MemoryManager with search capabilities"
exports: ["MemoryManager", "SemanticSearch"]
key_links:
- from: "src/memory/retrieval/semantic_search.py"
to: "src/memory/storage/vector_store.py"
via: "vector similarity search operations"
pattern: "vector_store\\.search_similar"
- from: "src/memory/retrieval/context_aware.py"
to: "src/memory/storage/sqlite_manager.py"
via: "conversation metadata for topic analysis"
pattern: "sqlite_manager\\.get_conversation_metadata"
- from: "src/memory/__init__.py"
to: "src/memory/retrieval/"
via: "search method delegation"
pattern: "semantic_search\\.find"
---
<objective>
Implement the memory retrieval system with semantic search, context-aware prioritization, and timeline filtering. This enables intelligent recall of past conversations using multiple search strategies.
Purpose: Allow users and the system to find relevant conversations quickly using semantic meaning, context awareness, and temporal filters
Output: Working search system that can retrieve conversations by meaning, topic, and time range
</objective>
<execution_context>
@~/.opencode/get-shit-done/workflows/execute-plan.md
@~/.opencode/get-shit-done/templates/summary.md
</execution_context>
<context>
@.planning/phases/04-memory-context-management/04-CONTEXT.md
@.planning/phases/04-memory-context-management/04-RESEARCH.md
@.planning/PROJECT.md
@.planning/ROADMAP.md
@.planning/STATE.md
# Reference storage foundation
@.planning/phases/04-memory-context-management/04-01-SUMMARY.md
# Reference existing conversation handling
@src/models/conversation.py
@src/models/context_manager.py
</context>
<tasks>
<task type="auto">
<name>Task 1: Create semantic search with embedding-based retrieval</name>
<files>src/memory/retrieval/__init__.py, src/memory/retrieval/semantic_search.py</files>
<action>
Create src/memory/retrieval/semantic_search.py with SemanticSearch class:
1. Add sentence-transformers to requirements.txt (use all-MiniLM-L6-v2 for efficiency)
2. Implement SemanticSearch with:
- Embedding model loading (lazy loading for performance)
- Query embedding generation
- Vector similarity search using VectorStore from plan 04-01
- Hybrid search combining semantic and keyword matching
- Result ranking and relevance scoring
- Conversation snippet generation for context
Follow research pattern for hybrid search:
- Generate query embedding
- Search vector store for similar conversations
- Fallback to keyword search if no semantic results
- Combine and rank results with weighted scoring
Include methods to:
- search(query: str, limit: int = 5) -> List[SearchResult]
- search_by_embedding(embedding: np.ndarray, limit: int = 5) -> List[SearchResult]
- keyword_search(query: str, limit: int = 5) -> List[SearchResult]
Use existing error handling patterns and type hints from src/models/ modules.
</action>
<verify>python -c "from src.memory.retrieval.semantic_search import SemanticSearch; search = SemanticSearch(':memory:'); print('Semantic search created successfully')"</verify>
<done>Semantic search can generate embeddings and perform basic search operations</done>
</task>
<task type="auto">
<name>Task 2: Implement context-aware and timeline search capabilities</name>
<files>src/memory/retrieval/context_aware.py, src/memory/retrieval/timeline_search.py, src/memory/__init__.py</files>
<action>
Create context-aware and timeline search components:
1. Create src/memory/retrieval/context_aware.py with ContextAwareSearch:
- Topic extraction from current conversation context
- Conversation topic classification using simple heuristics
- Topic-based result prioritization
- Current conversation context tracking
- Methods: prioritize_by_topic(results: List[SearchResult], current_topic: str) -> List[SearchResult]
2. Create src/memory/retrieval/timeline_search.py with TimelineSearch:
- Date range filtering for conversations
- Temporal proximity search (find conversations near specific dates)
- Recency-based result weighting
- Conversation age calculation and compression level awareness
- Methods: search_by_date_range(start: datetime, end: datetime, limit: int = 5) -> List[SearchResult]
3. Update src/memory/__init__.py to integrate search capabilities:
- Import all search classes
- Add search methods to MemoryManager
- Provide unified search interface combining semantic, context-aware, and timeline search
- Add search result dataclasses with relevance scores and conversation snippets
Follow existing patterns from src/models/ for data structures and error handling. Ensure search results include conversation metadata for context.
</action>
<verify>python -c "from src.memory import MemoryManager; mm = MemoryManager(':memory:'); print('Memory manager with search created successfully')"</verify>
<done>Memory manager provides unified search interface with all search modes</done>
</task>
</tasks>
<verification>
After completion, verify:
1. Semantic search can find conversations by meaning
2. Context-aware search prioritizes relevant topics
3. Timeline search filters by date ranges correctly
4. Hybrid search combines semantic and keyword results
5. Search results include proper relevance scoring and conversation snippets
6. Integration with storage layer works correctly
</verification>
<success_criteria>
- Semantic search uses sentence-transformers for embedding generation
- Context-aware search prioritizes topics relevant to current discussion
- Timeline search enables date-range filtering and temporal search
- Hybrid search combines multiple search strategies with proper ranking
- Memory manager provides unified search interface
- Search results include conversation context and relevance scoring
</success_criteria>
<output>
After completion, create `.planning/phases/04-memory-context-management/04-02-SUMMARY.md`
</output>

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---
phase: 04-memory-context-management
plan: 03
type: execute
wave: 2
depends_on: ["04-01"]
files_modified: ["src/memory/backup/__init__.py", "src/memory/backup/archival.py", "src/memory/backup/retention.py", "src/memory/storage/compression.py", "src/memory/__init__.py"]
autonomous: true
must_haves:
truths:
- "Old conversations are automatically compressed to save space"
- "Compression preserves important information while reducing size"
- "JSON archival system stores compressed conversations"
- "Smart retention keeps important conversations longer"
- "7/30/90 day compression tiers are implemented"
artifacts:
- path: "src/memory/storage/compression.py"
provides: "Progressive conversation compression"
min_lines: 80
- path: "src/memory/backup/archival.py"
provides: "JSON export/import for long-term storage"
min_lines: 60
- path: "src/memory/backup/retention.py"
provides: "Smart retention policies based on conversation importance"
min_lines: 50
- path: "src/memory/__init__.py"
provides: "MemoryManager with archival capabilities"
exports: ["MemoryManager", "CompressionEngine"]
key_links:
- from: "src/memory/storage/compression.py"
to: "src/memory/storage/sqlite_manager.py"
via: "conversation data retrieval for compression"
pattern: "sqlite_manager\\.get_conversation"
- from: "src/memory/backup/archival.py"
to: "src/memory/storage/compression.py"
via: "compressed conversation data"
pattern: "compression_engine\\.compress"
- from: "src/memory/backup/retention.py"
to: "src/memory/storage/sqlite_manager.py"
via: "conversation importance analysis"
pattern: "sqlite_manager\\.update_importance_score"
---
<objective>
Implement progressive compression and archival system to manage memory growth efficiently. This ensures the memory system can scale without indefinite growth while preserving important information.
Purpose: Automatically compress and archive old conversations to maintain performance and storage efficiency
Output: Working compression engine with JSON archival and smart retention policies
</objective>
<execution_context>
@~/.opencode/get-shit-done/workflows/execute-plan.md
@~/.opencode/get-shit-done/templates/summary.md
</execution_context>
<context>
@.planning/phases/04-memory-context-management/04-CONTEXT.md
@.planning/phases/04-memory-context-management/04-RESEARCH.md
@.planning/PROJECT.md
@.planning/ROADMAP.md
@.planning/STATE.md
# Reference storage foundation
@.planning/phases/04-memory-context-management/04-01-SUMMARY.md
# Reference compression research patterns
@.planning/phases/04-memory-context-management/04-RESEARCH.md
</context>
<tasks>
<task type="auto">
<name>Task 1: Implement progressive compression engine</name>
<files>src/memory/storage/compression.py</files>
<action>
Create src/memory/storage/compression.py with CompressionEngine class:
1. Implement progressive compression following research pattern:
- 7 days: Full content (no compression)
- 30 days: Key points extraction (70% retention)
- 90 days: Brief summary (40% retention)
- 365+ days: Metadata only
2. Add transformers to requirements.txt for summarization
3. Implement compression methods:
- extract_key_points(conversation: Conversation) -> str
- generate_summary(conversation: Conversation, target_ratio: float = 0.4) -> str
- extract_metadata_only(conversation: Conversation) -> dict
4. Use hybrid extractive-abstractive approach:
- Extract key sentences using NLTK or simple heuristics
- Generate abstractive summary using transformers pipeline
- Preserve important quotes, facts, and decision points
5. Include compression quality metrics:
- Information retention scoring
- Compression ratio calculation
- Quality validation checks
6. Add methods:
- compress_by_age(conversation: Conversation) -> CompressedConversation
- get_compression_level(age_days: int) -> CompressionLevel
- decompress(compressed: CompressedConversation) -> ConversationSummary
Follow existing error handling patterns from src/models/ modules.
</action>
<verify>python -c "from src.memory.storage.compression import CompressionEngine; ce = CompressionEngine(); print('Compression engine created successfully')"</verify>
<done>Compression engine can compress conversations at different levels</done>
</task>
<task type="auto">
<name>Task 2: Create JSON archival and smart retention systems</name>
<files>src/memory/backup/__init__.py, src/memory/backup/archival.py, src/memory/backup/retention.py, src/memory/__init__.py</files>
<action>
Create archival and retention components:
1. Create src/memory/backup/archival.py with ArchivalManager:
- JSON export/import for compressed conversations
- Archival directory structure by year/month
- Batch archival operations
- Import capabilities for restoring conversations
- Methods: archive_conversations(), restore_conversation(), list_archived()
2. Create src/memory/backup/retention.py with RetentionPolicy:
- Value-based retention scoring
- User-marked important conversations
- High engagement detection (length, back-and-forth)
- Smart retention overrides compression rules
- Methods: calculate_importance_score(), should_retain_full(), update_retention_policy()
3. Update src/memory/__init__.py to integrate archival:
- Add archival methods to MemoryManager
- Implement automatic compression triggering
- Add archival scheduling capabilities
- Provide manual archival controls
4. Include backup integration:
- Integrate with existing system backup processes
- Ensure archival data is included in regular backups
- Provide restore verification and validation
Follow existing patterns for data management and error handling. Ensure archival JSON structure is human-readable and versioned for future compatibility.
</action>
<verify>python -c "from src.memory import MemoryManager; mm = MemoryManager(':memory:'); print('Memory manager with archival created successfully')"</verify>
<done>Memory manager can compress and archive conversations automatically</done>
</task>
</tasks>
<verification>
After completion, verify:
1. Compression engine works at all 4 levels (7/30/90/365+ days)
2. JSON archival stores compressed conversations correctly
3. Smart retention keeps important conversations from over-compression
4. Archival directory structure is organized and navigable
5. Integration with storage layer works for compression triggers
6. Restore functionality brings back conversations correctly
</verification>
<success_criteria>
- Progressive compression reduces storage usage while preserving information
- JSON archival provides human-readable long-term storage
- Smart retention policies preserve important conversations
- Compression ratios meet research recommendations (70%/40%/metadata)
- Archival system integrates with existing backup processes
- Memory manager provides unified interface for compression and archival
</success_criteria>
<output>
After completion, create `.planning/phases/04-memory-context-management/04-03-SUMMARY.md`
</output>

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---
phase: 04-memory-context-management
plan: 04
type: execute
wave: 3
depends_on: ["04-01", "04-02", "04-03"]
files_modified: ["src/memory/personality/__init__.py", "src/memory/personality/pattern_extractor.py", "src/memory/personality/layer_manager.py", "src/memory/personality/adaptation.py", "src/memory/__init__.py", "src/personality.py"]
autonomous: true
must_haves:
truths:
- "Personality layers learn from conversation patterns"
- "Multi-dimensional learning covers topics, sentiment, interaction patterns"
- "Personality overlays enhance rather than replace core values"
- "Learning algorithms prevent overfitting to recent conversations"
- "Personality system integrates with existing personality.py"
artifacts:
- path: "src/memory/personality/pattern_extractor.py"
provides: "Pattern extraction from conversations"
min_lines: 80
- path: "src/memory/personality/layer_manager.py"
provides: "Personality overlay system"
min_lines: 60
- path: "src/memory/personality/adaptation.py"
provides: "Dynamic personality updates"
min_lines: 50
- path: "src/memory/__init__.py"
provides: "Complete MemoryManager with personality learning"
exports: ["MemoryManager", "PersonalityLearner"]
- path: "src/personality.py"
provides: "Updated personality system with memory integration"
min_lines: 20
key_links:
- from: "src/memory/personality/pattern_extractor.py"
to: "src/memory/storage/sqlite_manager.py"
via: "conversation data for pattern analysis"
pattern: "sqlite_manager\\.get_conversations_for_analysis"
- from: "src/memory/personality/layer_manager.py"
to: "src/memory/personality/pattern_extractor.py"
via: "pattern data for layer creation"
pattern: "pattern_extractor\\.extract_patterns"
- from: "src/personality.py"
to: "src/memory/personality/layer_manager.py"
via: "personality overlay application"
pattern: "layer_manager\\.get_active_layers"
---
<objective>
Implement personality learning system that extracts patterns from conversations and creates adaptive personality layers. This enables Mai to learn and adapt communication patterns while maintaining core personality values.
Purpose: Enable Mai to learn from user interactions and adapt personality while preserving core values
Output: Working personality learning system with pattern extraction, layer management, and dynamic adaptation
</objective>
<execution_context>
@~/.opencode/get-shit-done/workflows/execute-plan.md
@~/.opencode/get-shit-done/templates/summary.md
</execution_context>
<context>
@.planning/phases/04-memory-context-management/04-CONTEXT.md
@.planning/phases/04-memory-context-management/04-RESEARCH.md
@.planning/PROJECT.md
@.planning/ROADMAP.md
@.planning/STATE.md
# Reference existing personality system
@src/personality.py
@src/resource/personality.py
# Reference memory components
@.planning/phases/04-memory-context-management/04-01-SUMMARY.md
@.planning/phases/04-memory-context-management/04-02-SUMMARY.md
@.planning/phases/04-memory-context-management/04-03-SUMMARY.md
</context>
<tasks>
<task type="auto">
<name>Task 1: Create pattern extraction system</name>
<files>src/memory/personality/__init__.py, src/memory/personality/pattern_extractor.py</files>
<action>
Create src/memory/personality/pattern_extractor.py with PatternExtractor class:
1. Implement multi-dimensional pattern extraction following research:
- Topics: Track frequently discussed subjects and user interests
- Sentiment: Analyze emotional tone and sentiment patterns
- Interaction patterns: Response times, question asking, information sharing
- Time-based preferences: Communication style by time of day/week
- Response styles: Formality level, verbosity, use of emojis/humor
2. Pattern extraction methods:
- extract_topic_patterns(conversations: List[Conversation]) -> TopicPatterns
- extract_sentiment_patterns(conversations: List[Conversation]) -> SentimentPatterns
- extract_interaction_patterns(conversations: List[Conversation]) -> InteractionPatterns
- extract_temporal_patterns(conversations: List[Conversation]) -> TemporalPatterns
- extract_response_style_patterns(conversations: List[Conversation]) -> ResponseStylePatterns
3. Analysis techniques:
- Simple frequency analysis for topics
- Basic sentiment analysis using keyword lists or simple models
- Statistical analysis for interaction patterns
- Time series analysis for temporal patterns
- Linguistic analysis for response styles
4. Pattern validation:
- Confidence scoring for extracted patterns
- Pattern stability tracking over time
- Outlier detection for unusual patterns
Follow existing error handling patterns. Keep analysis lightweight to avoid heavy computational overhead.
</action>
<verify>python -c "from src.memory.personality.pattern_extractor import PatternExtractor; pe = PatternExtractor(); print('Pattern extractor created successfully')"</verify>
<done>Pattern extractor can analyze conversations and extract patterns</done>
</task>
<task type="auto">
<name>Task 2: Implement personality layer management and adaptation</name>
<files>src/memory/personality/layer_manager.py, src/memory/personality/adaptation.py, src/memory/__init__.py, src/personality.py</files>
<action>
Create personality management system:
1. Create src/memory/personality/layer_manager.py with LayerManager:
- PersonalityLayer dataclass with weights and application rules
- Layer creation from extracted patterns
- Layer conflict resolution (when patterns contradict)
- Layer activation based on conversation context
- Methods: create_layer_from_patterns(), get_active_layers(), apply_layers()
2. Create src/memory/personality/adaptation.py with PersonalityAdaptation:
- Time-weighted learning (recent patterns have less influence)
- Gradual adaptation with stability controls
- Feedback integration for user preferences
- Adaptation rate limiting to prevent rapid changes
- Methods: update_personality_layer(), calculate_adaptation_rate(), apply_stability_controls()
3. Update src/memory/__init__.py to integrate personality learning:
- Add PersonalityLearner to MemoryManager
- Implement learning triggers (after conversations, periodically)
- Add personality data persistence
- Provide learning controls and configuration
4. Update src/personality.py to integrate with memory:
- Import and use PersonalityLearner from memory system
- Apply personality layers during conversation responses
- Maintain separation between core personality and learned layers
- Add configuration for learning enable/disable
5. Personality layer application:
- Hybrid system prompt + behavior configuration
- Context-aware layer activation
- Core value enforcement (learned layers cannot override core values)
- Layer priority and conflict resolution
Follow existing patterns from src/resource/personality.py for personality management. Ensure core personality values remain protected from learned modifications.
</action>
<verify>python -c "from src.memory.personality.layer_manager import LayerManager; lm = LayerManager(); print('Layer manager created successfully')"</verify>
<done>Personality system can learn patterns and apply adaptive layers</done>
</task>
</tasks>
<verification>
After completion, verify:
1. Pattern extractor analyzes conversations across multiple dimensions
2. Layer manager creates personality overlays from patterns
3. Adaptation system prevents overfitting and maintains stability
4. Personality learning integrates with existing personality.py
5. Core personality values are protected from learned modifications
6. Learning system can be enabled/disabled through configuration
</verification>
<success_criteria>
- Pattern extraction covers topics, sentiment, interaction, temporal, and style patterns
- Personality layers work as adaptive overlays that enhance core personality
- Time-weighted learning prevents overfitting to recent conversations
- Stability controls maintain personality consistency
- Integration with existing personality system preserves core values
- Learning system is configurable and can be controlled by user
</success_criteria>
<output>
After completion, create `.planning/phases/04-memory-context-management/04-04-SUMMARY.md`
</output>