TASK-002E: Tests and Corruption Handling Verification

• Status: Ready
• Parent: TASK-002
• Spec: SLICE-002
• Depends on: TASK-002B, TASK-002C, TASK-002D

AI Execution Profile

• Model class: Balanced
• Reasoning effort: Medium

Scope

• test startup hydration with existing history
• test empty history startup behavior
• test append or upsert rules
• test newest-first ordering
• test corrupted file handling

Copy/Paste Prompt

Implement only TASK-002E: Tests and Corruption Handling Verification.

Read first:
- docs/specs/SLICE-002-persistent-run-history.md
- docs/tasks/slice-002/TASK-002E-tests-and-corruption-handling-verification.md

Goal:
- Add the minimum automated verification for persistent run history.

Scope:
- Test startup hydration with existing persisted history.
- Test missing-file startup behavior.
- Test append or upsert behavior by RunId.
- Test newest-first ordering.
- Test corrupted or unreadable history file handling.

Do not:
- Add broad UI automation unless absolutely necessary
- Expand into future analytics or filtering work