fix: ISO format support in markdown component

[Rohit3523]

Proposed changes

PR adds support for ISO format in Timestamp markdown, which was previously overlooked and not included in the release. Timestamps using the ISO format were rendered as plain text and this PR solve the issue.

Issue(s)

https://rocketchat.atlassian.net/browse/CORE-1761

How to test or reproduce

Screenshots

Before	After

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments

Summary by CodeRabbit

• New Features

  • Timestamp display now accepts both Unix epoch values and ISO date strings, improving date input flexibility.

• Tests

  • Updated timestamp example/story to show grouped, labeled examples for Unix and ISO formats (per-format examples preserved).

[coderabbitai]

Walkthrough

Adds ISO timestamp parsing to the Markdown Timestamp component (string values parsed with dayjs; numeric values treated as Unix seconds). Updates the Timestamp story to show grouped Unix and ISO examples. Also bumps @rocket.chat/message-parser and forces the production build in its CommonJS wrapper.

Changes

Cohort / File(s)	Summary
Story Examples app/containers/markdown/Markdown.stories.tsx	Replaced the flat timestamp lines with labeled groups: "Unix timestamp formats" and added "ISO timestamp formats" using an ISO example; preserves per-format mappings (t/T/d/D/f/F/R).
Timestamp Parsing Logic app/containers/markdown/components/Timestamp.tsx	Compute timestampMs conditionally: numeric value.timestamp treated as Unix seconds (×1000); otherwise parsed via dayjs to support ISO and other date strings.
Dependency & CJS export package.json, patches/@rocket.chat+message-parser+0.31.31.patch, node_modules/@rocket.chat/message-parser/messageParser.js	Bumped @rocket.chat/message-parser to ^0.31.33. Removed development fallback in CJS wrapper so module now requires the production build unconditionally (export resolution changed to production build).

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Poem

🐰 I hopped through seconds and strings tonight,
Unix leaps and ISO light—
Now timestamps dance both near and far,
A bilingual tick beneath the star.
⏰🌙

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Out of Scope Changes check	❓ Inconclusive	The PR includes a dependency bump to @rocket.chat/message-parser and a patch file change; while related to timestamp parsing, these fall slightly outside the core objective of adding ISO format support in the mobile markdown component.	Clarify whether the dependency bump and patch file changes are necessary for ISO format support or if they address a separate concern; document the relationship if they are interdependent.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'fix: ISO format support in markdown component' directly and clearly describes the main change: adding ISO format support to the timestamp markdown component.
Linked Issues check	✅ Passed	The PR successfully addresses CORE-1761 by updating the Timestamp component to parse both Unix and ISO-formatted timestamps, enabling proper rendering of both formats.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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No actionable comments were generated in the recent review. 🎉

📜 Recent review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 478d83e and 401404b.

⛔ Files ignored due to path filters (2)

• app/containers/markdown/__snapshots__/Markdown.test.tsx.snap is excluded by !**/*.snap
• yarn.lock is excluded by !**/yarn.lock, !**/*.lock

📒 Files selected for processing (4)

• app/containers/markdown/Markdown.stories.tsx
• package.json
• patches/@rocket.chat+message-parser+0.31.31.patch
• patches/@rocket.chat+message-parser+0.31.33.patch

💤 Files with no reviewable changes (1)

• patches/@rocket.chat+message-parser+0.31.31.patch

🚧 Files skipped from review as they are similar to previous changes (1)

• app/containers/markdown/Markdown.stories.tsx

🧰 Additional context used

🧠 Learnings (1)

📚 Learning: 2026-02-05T13:55:00.974Z

Learnt from: Rohit3523
Repo: RocketChat/Rocket.Chat.ReactNative PR: 6930
File: package.json:101-101
Timestamp: 2026-02-05T13:55:00.974Z
Learning: In this repository, the dependency on react-native-image-crop-picker should reference the RocketChat fork (RocketChat/react-native-image-crop-picker) with explicit commit pins, not the upstream ivpusic/react-native-image-crop-picker. Update package.json dependencies (and any lockfile) to point to the fork URL and a specific commit, ensuring edge-to-edge Android fixes are included. This pattern should apply to all package.json files in the repo that declare this dependency.

Applied to files:

• package.json

🔇 Additional comments (1)

package.json (1)

50-50: Dependency bump verified and correct.

The @rocket.chat/message-parser version 0.31.33 exists on npm. The caret-range ^0.31.33 is consistent with other dependencies in this file and aligns with the PR objective to support ISO timestamps in markdown parsing.

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[Rohit3523]

- export{W as isNodeOfType,J as parse,J as parser};

is replaced with

+ module.exports={isNodeOfType:W,parse:J,parser:J};

[Rohit3523]

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