26 lines
1020 B
Markdown
26 lines
1020 B
Markdown
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# Task ID: 127
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**Title:** EpicTask repository and service layers
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**Status:** pending
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**Dependencies:** 117, 123
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**Priority:** medium
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**Description:** Create EpicTaskRepository and EpicTaskService with edge graph management and cycle detection
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**Details:**
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Create src/mcpd/src/repositories/epic-task.repository.ts and src/mcpd/src/services/epic-task.service.ts:
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1. Repository: CRUD for EpicTask, edge CRUD for EpicTaskEdge, findByEpicId
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2. Service.addEdge(): before creating edge, walk toId's transitive dependencies (via dependsOn edges), reject if fromId is reachable (cycle detection)
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3. Service.removeEdge(): simple delete
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4. Service.getGraph(): return nodes with edges for visualization
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5. Service.computeCompleteness(): calculate percentage of doneCriteria met per node
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6. Follow existing repository/service patterns
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**Test Strategy:**
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Unit tests: test edge creation, test cycle detection rejects A→B→C→A, test completeness calculation with mixed met/unmet criteria, test transitive dependency walk.
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