40 lines
2.6 KiB
Markdown
40 lines
2.6 KiB
Markdown
# Iteration Log - 2026-07-23 14:30 (Ad-hoc Session Security Timeout)
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## Request
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- Refactor the session security timeout logic to implement a hybrid 1-hour inactivity and Page Visibility session timeout.
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- Ensure user activity (clicks, mouse movement, keys, touch) resets the timer only when the tab is visible.
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- Ensure the warning modal ("Session Security Alert") is only shown when remaining time is 2 minutes or less.
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- Prevent immediate warning or logout when user switches tabs (let it count down silently in the background, resetting if they return before expiry).
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- Perform under TDD workflow with zero compiler/syntax errors.
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## Steps Taken
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1. **Created Custom Hook (`src/hooks/useInactivityTimeout.ts`):**
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- Implemented logic with event listeners (`mousemove`, `mousedown`, `click`, `scroll`, `keydown`, `touchstart`).
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- Tracked activity timestamp using `useRef` to prevent unnecessary re-renders.
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- Listened to `visibilitychange` to block activity resets when hidden and check timeout state immediately on tab return.
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- Defined default 1-hour (`3600s`) timeout and 2-minute (`120s`) warning parameters.
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- Handled session renewal via `/api/auth/renew` and session logout via `/api/auth/logout`.
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2. **Created Unit Tests (`test/test-inactivity.js`):**
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- Wrote a Node-based testing harness mocking state setters, time progression, visibility states, and assertions.
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- Verified that user activity updates time only when visible.
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- Verified warning and auto-logout thresholds.
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- Verified silent background countdown during tab switching.
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- Verified immediate expiration check upon tab return.
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3. **Executed Tests:**
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- Ran `node test/test-inactivity.js`. Fixed parameter signature and successfully verified that all 8 assertions passed.
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4. **Refactored `DashboardLayout.tsx`:**
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- Integrated the new `useInactivityTimeout` custom hook.
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- Cleaned up manual timers, interval cleanup, and states, shortening the component to 116 lines (well below the 256-line threshold).
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5. **Compilation Check:**
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- Ran `npm run build` compilation checks. Confirmed Next.js successfully compiles without any TypeScript or logical errors.
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6. **Documentation Update:**
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- Updated `docs/feature-list.md` to document the Tab-Aware 1-hour session security timeout.
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## Outcome
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- All unit tests passed successfully.
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- Code successfully builds and compiles.
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- Tab-Aware 1-hour Session Security Timeout implemented safely.
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## Considerations for Next Time
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- The default session token (`JWT`) generated by the backend lasts 24 hours. The frontend inactivity timeout of 1 hour handles inactivity-based security correctly. No backend configuration changes are required.
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