Turso Memory Verification

Skill: turso-memory-verification

Verify memory persistence with Turso/libSQL databases before releases.

When to Use

Use this skill before any release to ensure:

• Import/export functionality works correctly
• Data roundtrips successfully between databases
• No serialization regressions

Workflow

1. Local SQLite Test

   # Create test database
   db1=".tmp/turso-test-$(date +%s)-1.db"
   db2=".tmp/turso-test-$(date +%s)-2.db"
   
   # Inject test concepts
   csm --database "$db1" inject "test::concept::1" -m '{"context":"test"}'
   csm --database "$db1" inject "test::concept::2" -m '{"context":"test2"}'
   csm --database "$db1" associate "test::concept::1" "test::concept::2" -s 0.85
   
   # Test JSON roundtrip
   csm --database "$db1" export -o export.json
   csm --database "$db2" import export.json
   
   # Verify
   csm --database "$db2" probe "test::concept::1"
   

2. Binary Format Test

   # Export as binary
   csm --database "$db1" export --format binary -o export.bin
   
   # Import to new database
   csm --database "$db3" import --format binary export.bin
   
   # Verify data integrity
   csm --database "$db3" export --output-format json | jq '.concepts | length'
   

3. Automated Validation Script

   source scripts/verify-memory-roundtrip.sh
   

Verification Checklist

• JSON export creates valid file
• JSON import loads all concepts
• Binary export creates valid file
• Binary import loads all concepts
• Associations are preserved
• Metadata is preserved
• Vector similarity works after import

Common Issues

Import Fails with "deserialize_any"

Cause: serde_json::Value in metadata is incompatible with bincode. Fix: Use BinaryMetadataValue enum for binary serialization.

JSON Shows Array Instead of Base64

Cause: HVec10240 using serialize_bytes for JSON. Fix: Use base64 encoding for human-readable formats.

File Size Mismatch

Cause: Inconsistent bincode options between export/import. Fix: Use bincode::DefaultOptions::new() for both operations.

References

• src/export_payload.rs - Binary-compatible payload structs
• src/hyperdim.rs - HVec10240 serialization
• src/framework_ops.rs - Import/export implementations