# Implementation Plan: {{TRACK_NAME}}

## Overview

**Track ID:** {{TRACK_ID}}
**Spec:** [spec.md](./spec.md)
**Estimated Effort:** {{EFFORT_ESTIMATE}}
**Target Completion:** {{TARGET_DATE}}

## Progress Summary

| Phase                     | Status     | Progress      |
| ------------------------- | ---------- | ------------- |
| Phase 1: {{PHASE_1_NAME}} | {{STATUS}} | {{PROGRESS}}% |
| Phase 2: {{PHASE_2_NAME}} | {{STATUS}} | {{PROGRESS}}% |
| Phase 3: {{PHASE_3_NAME}} | {{STATUS}} | {{PROGRESS}}% |
| Phase 4: {{PHASE_4_NAME}} | {{STATUS}} | {{PROGRESS}}% |

## Phase 1: {{PHASE_1_NAME}}

**Objective:** {{PHASE_1_OBJECTIVE}}
**Estimated Duration:** {{PHASE_1_DURATION}}

### Tasks

- [ ] **1.1 {{TASK_1_1_TITLE}}**
  - [ ] {{SUBTASK_1_1_1}}
  - [ ] {{SUBTASK_1_1_2}}
  - [ ] {{SUBTASK_1_1_3}}

- [ ] **1.2 {{TASK_1_2_TITLE}}**
  - [ ] {{SUBTASK_1_2_1}}
  - [ ] {{SUBTASK_1_2_2}}

- [ ] **1.3 {{TASK_1_3_TITLE}}**
  - [ ] {{SUBTASK_1_3_1}}
  - [ ] {{SUBTASK_1_3_2}}

### Verification

- [ ] All Phase 1 tests passing
- [ ] Code coverage meets threshold
- [ ] Code review approved

### Checkpoint

```
Commit: [track-id] checkpoint: phase 1 complete
```

---

## Phase 2: {{PHASE_2_NAME}}

**Objective:** {{PHASE_2_OBJECTIVE}}
**Estimated Duration:** {{PHASE_2_DURATION}}
**Dependencies:** Phase 1 complete

### Tasks

- [ ] **2.1 {{TASK_2_1_TITLE}}**
  - [ ] {{SUBTASK_2_1_1}}
  - [ ] {{SUBTASK_2_1_2}}
  - [ ] {{SUBTASK_2_1_3}}

- [ ] **2.2 {{TASK_2_2_TITLE}}**
  - [ ] {{SUBTASK_2_2_1}}
  - [ ] {{SUBTASK_2_2_2}}

- [ ] **2.3 {{TASK_2_3_TITLE}}**
  - [ ] {{SUBTASK_2_3_1}}
  - [ ] {{SUBTASK_2_3_2}}

### Verification

- [ ] All Phase 2 tests passing
- [ ] Integration tests passing
- [ ] Code review approved

### Checkpoint

```
Commit: [track-id] checkpoint: phase 2 complete
```

---

## Phase 3: {{PHASE_3_NAME}}

**Objective:** {{PHASE_3_OBJECTIVE}}
**Estimated Duration:** {{PHASE_3_DURATION}}
**Dependencies:** Phase 2 complete

### Tasks

- [ ] **3.1 {{TASK_3_1_TITLE}}**
  - [ ] {{SUBTASK_3_1_1}}
  - [ ] {{SUBTASK_3_1_2}}

- [ ] **3.2 {{TASK_3_2_TITLE}}**
  - [ ] {{SUBTASK_3_2_1}}
  - [ ] {{SUBTASK_3_2_2}}

- [ ] **3.3 {{TASK_3_3_TITLE}}**
  - [ ] {{SUBTASK_3_3_1}}
  - [ ] {{SUBTASK_3_3_2}}

### Verification

- [ ] All Phase 3 tests passing
- [ ] End-to-end tests passing
- [ ] Code review approved

### Checkpoint

```
Commit: [track-id] checkpoint: phase 3 complete
```

---

## Phase 4: {{PHASE_4_NAME}}

**Objective:** {{PHASE_4_OBJECTIVE}}
**Estimated Duration:** {{PHASE_4_DURATION}}
**Dependencies:** Phase 3 complete

### Tasks

- [ ] **4.1 {{TASK_4_1_TITLE}}**
  - [ ] {{SUBTASK_4_1_1}}
  - [ ] {{SUBTASK_4_1_2}}

- [ ] **4.2 {{TASK_4_2_TITLE}}**
  - [ ] {{SUBTASK_4_2_1}}
  - [ ] {{SUBTASK_4_2_2}}

- [ ] **4.3 {{TASK_4_3_TITLE}}**
  - [ ] {{SUBTASK_4_3_1}}
  - [ ] {{SUBTASK_4_3_2}}

### Verification

- [ ] All tests passing
- [ ] Coverage ≥ 80%
- [ ] Performance benchmarks met
- [ ] Documentation complete
- [ ] Code review approved

### Checkpoint

```
Commit: [track-id] checkpoint: phase 4 complete (track done)
```

---

## Final Verification

### Quality Gates

- [ ] All unit tests passing
- [ ] All integration tests passing
- [ ] All E2E tests passing
- [ ] Code coverage ≥ 80%
- [ ] No critical linting errors
- [ ] Security scan passed
- [ ] Performance requirements met
- [ ] Accessibility requirements met

### Documentation

- [ ] API documentation updated
- [ ] README updated (if applicable)
- [ ] Changelog entry added

### Deployment

- [ ] Staging deployment successful
- [ ] Smoke tests passed
- [ ] Production deployment approved

---

## Deviations Log

| Date     | Task     | Deviation     | Reason     | Resolution     |
| -------- | -------- | ------------- | ---------- | -------------- |
| {{DATE}} | {{TASK}} | {{DEVIATION}} | {{REASON}} | {{RESOLUTION}} |

## Notes

{{IMPLEMENTATION_NOTES}}

---

**Plan Created:** {{CREATED_DATE}}
**Last Updated:** {{UPDATED_DATE}}