fix: resolve 4 bugs in DoubtDesk

[saurabhhhcodes]

User description

Description

This PR fixes real bugs found in the codebase:

• Added explicit radix to parseInt: without 10, strings like '0x1F' or '08' parse in unintended bases.
• Added explicit radix to parseInt: without 10, strings like '0x1F' or '08' parse in unintended bases.
• Added explicit radix to parseInt: without 10, strings like '0x1F' or '08' parse in unintended bases.
• Added explicit radix to parseInt: without 10, strings like '0x1F' or '08' parse in unintended bases.

Type of Change

• Bug fix (non-breaking change fixing an issue)

How Has This Been Tested?

• Local manual testing

Checklist

• My code follows the style guidelines
• I have performed a self-review

Related Issue

Ref: #1179

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CodeAnt-AI Description

Ensure numeric IDs, grades, and session timestamps are read as decimal values

What Changed

• Session expiration checks now interpret stored activity timestamps consistently as decimal numbers
• Room grade updates, reply actions, and doubt bookmarks now interpret numeric input as decimal values
• Prevents inputs beginning with zero or hexadecimal-style prefixes from being interpreted incorrectly

Impact

✅ Reliable session expiration
✅ Correct classroom grade updates
✅ Accurate reply and bookmark lookups

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Summary by CodeRabbit

• Bug Fixes
  • Improved reliability when bookmarking doubts and updating replies.
  • Improved session activity-time tracking for more accurate elapsed-time displays.
  • Updated room grade-level handling to support consistent numeric values.

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🤖 CodeAnt AI — Review Status

Status	Commit	Started (UTC)	Finished (UTC)
✅ Reviewed your PR	6dc3aab	Aug 03, 2026 · 06:58	06:59

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[github-actions]

We are closing this pr as it has no linking issue to it. If your is actually related to a isssue assigned to u then create a new pr and link the issue in discription.

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Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 8d50db40-d023-4220-a263-13072713bed3

📥 Commits

Reviewing files that changed from the base of the PR and between 1a16173 and 6dc3aab.

📒 Files selected for processing (4)

• src/app/api/doubts/[id]/bookmark/route.ts
• src/app/api/replies/action/[id]/route.ts
• src/app/api/rooms/[id]/route.ts
• src/components/auth/SessionTracker.tsx

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Walkthrough

The changes add explicit base-10 radix arguments to parsing calls in API routes and session tracking. The rooms route change is malformed and prevents valid parsing or compilation.

Changes

Parsing updates

Layer / File(s)	Summary
API route parsing src/app/api/doubts/[id]/bookmark/route.ts, src/app/api/replies/action/[id]/route.ts, src/app/api/rooms/[id]/route.ts	Bookmark and reply ID parsing now specifies radix 10. The rooms route contains malformed toString(, 10) syntax.
Session timestamp parsing src/components/auth/SessionTracker.tsx	Session timestamp parsing now specifies radix 10. Session expiration behavior is unchanged.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• knoxiboy/DoubtDesk#1152: Modifies the same bookmark route with explicit base-10 ID parsing.
• knoxiboy/DoubtDesk#1155: Updates explicit base-10 ID parsing in the same bookmark route.
• knoxiboy/DoubtDesk#1141: Adds radix-10 parsing in the same bookmark handler.

Suggested labels: review-needed

Suggested reviewers: knoxiboy

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 Biome (2.5.5)

src/app/api/rooms/[id]/route.ts

File contains syntax errors that prevent linting: Line 82: Expected an expression but instead found ','.

🔧 ESLint

If the error stems from missing dependencies, add them to the package.json file. For unrecoverable errors (e.g., due to private dependencies), disable the tool in the CodeRabbit configuration.

src/app/api/rooms/[id]/route.ts

Parsing error: Argument expression expected.

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