## Summary
- Add 3 new test files for pgsql driver (39 test functions, ~3800 lines)
- `pgsql_z_unit_feature_soft_time_test.go`: 15 tests — soft delete
(SoftDeleted/Unscoped), auto time fields
(CreatedAt/UpdatedAt/DeletedAt), time format options
- `pgsql_z_unit_feature_with_test.go`: 17 tests — With relation queries
(one-to-one, one-to-many, many-to-many), nested With, WithAll,
conditional With
- `pgsql_z_unit_feature_scanlist_test.go`: 7 tests — ScanList relation
mapping for struct slices
- Add testdata SQL templates for With tests
**PostgreSQL adaptations from MySQL:**
- `AUTO_INCREMENT` → `SERIAL/BIGSERIAL`
- `datetime` → `timestamp`
- MySQL backticks → PostgreSQL double quotes for identifiers
- Timestamp format handling for soft time fields
## Test plan
- [x] Run `go test -v -run "Test_Model_Soft" -count=1` in
`contrib/drivers/pgsql`
- [x] Run `go test -v -run "Test_Model_With" -count=1` in
`contrib/drivers/pgsql`
- [x] Run `go test -v -run "Test_Model_ScanList" -count=1` in
`contrib/drivers/pgsql`
ref #4689
