# Sprint 2: Socratic Discovery

**Status**: ✅ Complete
**Duration**: Week 2 (Completed 2025-10-17)
**Epic/Issues**: cf-14 to cf-17, cf-27

## Goal
Lead Agent conducts requirements gathering through Socratic questioning, generates PRD, and decomposes into hierarchical tasks.

## User Story
As a developer, I want the Lead Agent to ask me questions about my project, generate a comprehensive PRD, and show a hierarchical task breakdown in the dashboard.

## Implementation Tasks

### Core Features (P0)
- [x] **cf-14**: Chat Interface & API Integration - 2005c0e, 5e820e2
  - [x] cf-14.1: Backend Chat API (11 tests, ~95% coverage)
  - [x] cf-14.2: Frontend ChatInterface.tsx (8 test specs, 227 lines)
  - [x] cf-14.3: Message persistence with pagination

- [x] **cf-15**: Socratic Discovery Flow - 3fc2dfc
  - [x] cf-15.1: DiscoveryQuestionFramework (15 tests, 100% coverage)
  - [x] cf-15.2: AnswerCapture & Structuring (25 tests, 98.47% coverage)
  - [x] cf-15.3: Lead Agent Integration (15 tests, state machine)

- [x] **cf-16**: PRD Generation & Task Decomposition - 466163e
  - [x] cf-16.1: PRD generation from discovery data
  - [x] cf-16.2: Hierarchical issue/task decomposition (97 tests)
  - [x] cf-16.3: Dashboard display with tree view (91 tests)
  - [ ] cf-16.4: Replan command (deferred - P1)
  - [ ] cf-16.5: Task checklists (deferred - P1)

- [x] **cf-17**: Discovery State Management
  - [x] cf-17.1: Project phase tracking (4 tests, 100% coverage)
  - [x] cf-17.2: Progress indicators (18 backend + 85 frontend tests)

- [x] **cf-27**: Frontend Project Initialization
  - [x] cf-27.1: API client methods (9 tests)
  - [x] cf-27.2: ProjectCreationForm (14 tests)
  - [x] cf-27.3: ProjectList & routing (10 tests)

## Definition of Done
- [x] Lead Agent asks 10 discovery questions across 5 categories
- [x] Agent generates PRD from structured discovery data
- [x] PRD saved to .codeframe/memory/prd.md and database
- [x] PRD viewable in dashboard via modal
- [x] Tasks decomposed hierarchically (issues → tasks)
- [x] Dashboard shows task tree view with expand/collapse
- [x] Phase tracking (discovery → planning → active)
- [x] Progress indicators show discovery completion (0-100%)
- [x] Staging deployment verified and operational

## Key Commits
- `2005c0e` - feat(cf-14.1): Backend Chat API implementation
- `5e820e2` - feat(cf-14.2): Frontend Chat Component
- `3fc2dfc` - feat(cf-15): Socratic Discovery Flow with TDD
- `466163e` - feat(cf-16): PRD Generation and Hierarchical Task Decomposition

## Metrics
- **Tests**: 300+ passing (100% pass rate)
- **Coverage**: 85-98% across all modules
  - Discovery Questions: 100%
  - Answer Capture: 98.47%
  - Issue Generator: 97.14%
  - Task Decomposer: 94.59%
  - Frontend Components: 82-100%
- **Test-to-Code Ratio**: ~2.7:1 (1108 test lines / 399 implementation)
- **Execution Time**: 231.34 seconds (discovery tests)

## Sprint Retrospective

### What Went Well
- 3 parallel TDD subagents for cf-16.2 (50% time saving)
- Hierarchical issue/task model scales well
- Discovery state machine clean and maintainable
- Frontend components highly reusable (ProgressBar, PhaseIndicator)
- Strict TDD prevented regressions across 300+ tests
- Staging deployment process smooth and reliable

### What Could Improve
- Seed script simulates but doesn't persist PRD data
- Some database schema issues during staging deployment (fixed)
- Frontend test execution time growing (consider parallelization)
- Could optimize Claude API calls (batch questions)

### Key Learnings
- Multi-agent parallel execution highly effective for complex features
- State machines superior to boolean flags for workflow tracking
- Hierarchical models (issues → tasks) more scalable than flat lists
- RFC 3339 timestamps essential for API contracts
- TDD investment pays off - zero production bugs in Sprint 2
- React Context + useReducer pattern excellent for complex state

## Architecture Decisions
- **Hierarchical Model**: Issues contain sequential tasks
- **Issue Numbering**: Sprint-based (e.g., "2.1", "2.2", "2.3")
- **Task Numbering**: Issue-based (e.g., "2.1.1", "2.1.2", "2.1.3")
- **Parallelization**: Issues can parallelize, tasks within issues sequential
- **Database Design**: SQLite with foreign keys (issues → tasks)
- **Discovery Questions**: 10 questions across 5 categories (problem, users, features, constraints, tech_stack)

## References
- **Beads Issues**: cf-14 to cf-17, cf-27
- **Documentation**: CONCEPTS_RESOLVED.md, TASK_DECOMPOSITION_REPORT.md, claudedocs/CF-14_TEST_REPORT.md
- **Feature Specs**: docs/SPRINT2_PLAN.md
- **Test Suites**: 10+ test files across backend and frontend
