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moai/.planning/phases/01-foundation/01-02-SUMMARY.md
Mikkel Georgsen 4bc59d796c docs(01-02): complete database models plan 
Tasks completed: 3/3
- Create base model and enums
- Create Project and Discussion models
- Create Round, Message, and Consensus models

SUMMARY: .planning/phases/01-foundation/01-02-SUMMARY.md
2026-01-16 15:10:50 +00:00

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phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established issues-created duration completed
01-foundation 02 database
sqlalchemy
sqlite
orm
models
phase provides
01-foundation/01-01 Python project structure with src layout
SQLAlchemy 2.0 models for Project, Discussion, Round, Message, Consensus
Base class and enums for discussion types
Complete relationship graph matching SPEC.md
03-project-crud
04-single-model
05-multi-model
06-consensus-export
added patterns
sqlalchemy-2.0-declarative
uuid-as-string-36
json-for-arrays
created modified
src/moai/core/models.py
Use String(36) for UUID storage (SQLite compatibility)
Store enums as strings via str-based Enum classes
Use JSON type for models list and settings dict (no ARRAY for SQLite)
SQLAlchemy 2.0 style: Mapped, mapped_column, DeclarativeBase
UUID generation via helper function _uuid()
Cascade delete-orphan on all parent-child relationships
3min 2026-01-16

Phase 1, Plan 2: Database Models Summary

SQLAlchemy 2.0 models with Project, Discussion, Round, Message, Consensus and bidirectional relationships

Performance

  • Duration: 3 min
  • Started: 2026-01-16T15:06:35Z
  • Completed: 2026-01-16T15:09:42Z
  • Tasks: 3
  • Files created: 1

Accomplishments

  • Created complete SQLAlchemy 2.0 data model matching SPEC.md hierarchy
  • Defined three enums: DiscussionType (open/discuss), DiscussionStatus (active/completed), RoundType (parallel/sequential)
  • Established all bidirectional relationships with cascade delete-orphan

Task Commits

Each task was committed atomically:

  1. Task 1: Create base model and enums - 61da27c (feat)
  2. Task 2+3: Create all entity models - a0de941 (feat)

Note: Tasks 2 and 3 were committed together because forward references (Round, Consensus) required all models to exist for ruff linting to pass.

Plan metadata: (pending)

Files Created/Modified

  • src/moai/core/models.py - All SQLAlchemy models, enums, and Base class

Decisions Made

  • Used String(36) for UUID storage instead of native UUID type (SQLite compatibility)
  • Stored enums as strings by inheriting from both str and Enum
  • Used JSON type for list/dict fields (models, settings, agreements, disagreements)
  • Made Consensus.discussion_id unique (one consensus per discussion)

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None - all tasks completed successfully.

Next Phase Readiness

  • Database models complete and importable
  • Ready for Phase 1 Plan 3 (database.py session management) or Phase 2 (Bot Core)
  • All relationships verified bidirectional

Phase: 01-foundation Completed: 2026-01-16