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"title": "Implement Mixed Storage Architecture for Different Data Types",
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"type": "feature",
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"description": "Implement support for different storage types for different data types within the same workspace. This allows:\n- Devlog entries to use JSON storage (good for versioning with repo/project)\n- Chat history to use SQLite/database storage (good for performance with large datasets)\n- Mixed storage architecture within a single workspace configuration\n\nThis improves the flexibility of storage choices, allowing users to optimize for both versioning (JSON) and performance (database) within the same workspace.",
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"status": "cancelled",
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"priority": "high",
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"createdAt": "2025-07-27T14:11:50.108Z",
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"updatedAt": "2025-07-27T14:18:58.298Z",
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"notes": [
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{
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"id": "4295197f-aff3-449c-b54a-ac75a037031b",
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"timestamp": "2025-07-27T14:11:55.498Z",
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"category": "progress",
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"content": "Starting implementation. First step: extend storage types to support mixed data type configuration."
"content": "User identified design flaw: storing data-type-to-storage mapping per workspace creates duplication. Need to abstract storage config so it can be shared across workspaces. Redesigning approach."
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}
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],
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"files": [],
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"relatedDevlogs": [],
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"context": {
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"businessContext": "As the system grows, different data types have different requirements:\n- Devlog entries benefit from being in JSON for version control, diffs, and project-based tracking\n- Chat history requires better query performance and can be large in volume, making database storage preferable\n- Users want flexibility to choose the best storage for each data type without managing separate workspaces",
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"technicalContext": "Current architecture:\n- WorkspaceConfiguration has single StorageConfig per workspace\n- StorageProviderFactory creates single storage provider per workspace\n- All data (devlog + chat) uses same storage type\n- Need to extend to support per-data-type storage configuration",
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"dependencies": [],
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"decisions": [],
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"acceptanceCriteria": [
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"Workspace configuration can specify different storage types for devlog vs chat data",
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"StorageProviderFactory can create multiple specialized providers",
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"WorkspaceDevlogManager routes operations to appropriate storage provider",
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"Backward compatibility maintained for single storage configuration",
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"Migration path provided for existing workspaces",
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"Documentation updated with mixed storage examples"
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],
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"risks": []
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},
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"aiContext": {
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"currentSummary": "",
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"keyInsights": [
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"Current WorkspaceConfiguration.storage field needs to be extended or replaced",
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"Need to create composite storage provider that routes to appropriate sub-providers",
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"Manager classes need to understand data type routing",
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"Environment variable configuration needs to support mixed types"
"title": "Migrate all existing devlog entries from local JSON to PostgreSQL",
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"type": "task",
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"description": "Migrate all existing devlog entries from local JSON storage in .devlog/entries/ directory to PostgreSQL database configured in .env file. The migration involves reading all JSON files, transforming them to the correct format, and inserting them into the PostgreSQL database using the TypeORM-based storage provider. After migration, update the configuration to switch from JSON to PostgreSQL storage.",
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"status": "new",
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"priority": "medium",
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"createdAt": "2025-07-27T14:21:21.710Z",
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"updatedAt": "2025-07-27T14:38:53.242Z",
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"notes": [
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{
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"id": "ed2a3f0b-dfc6-4f1c-bcdf-8d05eeb66b7e",
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"timestamp": "2025-07-27T14:22:34.486Z",
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"category": "progress",
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"content": "Created comprehensive migration script `tmp/migrate-json-to-postgres.mjs` with the following features:\n\n✅ **Key Features**:\n- **Environment Setup**: Loads .env variables and validates configuration \n- **Connection Validation**: Tests PostgreSQL connection before migration\n- **JSON Loading**: Reads all entries from .devlog/entries/ directory\n- **Backup Creation**: Creates full backup before migration\n- **Data Transformation**: Converts JSON format to TypeORM entity format\n- **Batch Migration**: Processes entries in ID order with error handling\n- **Configuration Update**: Automatically switches .env from JSON to PostgreSQL\n- **Verification**: Confirms all entries migrated successfully\n\n✅ **Safety Features**:\n- Creates backup at `.devlog/backup-json-to-postgres-migration/`\n- Skips entries that already exist in PostgreSQL\n- Handles errors gracefully without stopping entire migration\n- Provides detailed progress and error reporting\n- Maintains chronological order during migration\n\nReady to execute the migration script."
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},
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{
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"id": "5e7fc1c5-8a34-4f50-b134-7d1768bf7baa",
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"timestamp": "2025-07-27T14:27:38.257Z",
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"category": "issue",
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"content": "Migration failing due to unique constraint violations on the `key_field` column. This indicates entries already exist in PostgreSQL database. The migration script is trying to insert entries with keys that already exist.\n\n**Error Details:**\n- Error: `duplicate key value violates unique constraint \"UQ_e3107a0c2aadbd7c03281c80a3f\"`\n- This suggests entries were previously migrated or PostgreSQL contains conflicting data\n\n**Next Steps:**\n1. Check existing entries in PostgreSQL\n2. Modify migration to handle existing entries (UPDATE instead of INSERT for existing keys)\n3. Or clear PostgreSQL database if safe to do so"
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},
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{
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"id": "7c933a4f-5158-49d2-87f4-c6ceddc371bb",
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"timestamp": "2025-07-27T14:34:56.072Z",
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"category": "solution",
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"content": "✅ **Root Cause Identified**: PostgreSQL database already contains 153 entries, while JSON storage has 273 files.\n\n**Problem**: The migration script tries to INSERT entries that already exist in PostgreSQL, causing unique constraint violations on the `key_field` column.\n\n**Analysis:**\n- PostgreSQL: 153 entries (partial migration already done)\n- JSON files: 273 entries (source data)\n- Missing: ~120 entries need to be migrated\n- Conflict: Existing entries prevent simple INSERT strategy\n\n**Solution Options:**\n1. **UPSERT Strategy**: Modify migration to use INSERT ... ON CONFLICT DO UPDATE\n2. **Clear + Fresh Migration**: Drop PostgreSQL data and migrate all from scratch \n3. **Incremental Migration**: Only migrate entries not already in PostgreSQL\n\n**Recommendation**: Use UPSERT strategy to handle both new entries and update existing ones with latest JSON data."
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},
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{
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"id": "9ce33d95-c2da-4b4e-8ed6-7cc5f74700c5",
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"timestamp": "2025-07-27T14:38:53.242Z",
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"category": "issue",
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"content": "❌ **Critical Issue Identified**: TypeORM storage provider missing `update` method.\n\n**Error**: `postgresProvider.update is not a function`\n\n**Root Cause**: The migration script assumes all storage providers have an `update` method, but TypeORM storage provider only has `save` method.\n\n**Analysis**: \n- All 252 entries failed with the same error\n- The PostgreSQL provider creates/updates entries using `save()` method, not `update()`\n- Need to modify migration script to use correct method signature\n\n**Next Steps**:\n1. Check TypeORM storage provider API to identify correct update method\n2. Modify migration script to use `save()` instead of `update()`\n3. Re-run migration with corrected method calls"
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}
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],
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"files": [],
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"relatedDevlogs": [],
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"context": {
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"businessContext": "Moving from local JSON storage to PostgreSQL enables better data persistence, scalability, real-time collaboration, and supports cloud deployment. PostgreSQL provides ACID compliance, better querying capabilities, and eliminates file system dependencies.",
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"technicalContext": "Current setup: .env file has POSTGRES_URL configured but DEVLOG_STORAGE_TYPE=json. The system has TypeORMStorageProvider that supports PostgreSQL via TypeORM. Need to create migration script that reads JSON files, validates data, and bulk inserts into PostgreSQL, then update .env configuration.",
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"dependencies": [],
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"decisions": [],
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"acceptanceCriteria": [
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"All existing JSON devlog entries successfully migrated to PostgreSQL",
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"Data integrity verified - all fields, notes, and metadata preserved",
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"PostgreSQL storage provider initialized and working",
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"Configuration updated to use PostgreSQL instead of JSON",
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"Migration script handles errors gracefully with rollback capability",
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