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What is PR Chat?

PR Chat lets you interact with Unblocked directly in your pull request by mentioning @unblocked in a comment. Beyond requesting standard reviews and summaries, you can have a conversation with Unblocked to get deeper insight into the code, request targeted re-reviews, or generate visual diagrams. Unblocked reacts to your comment with 👀 to confirm it’s working, then posts its response when complete.

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Request a focused review

After an initial review, you may want Unblocked to look at your PR again with a different focus. Mention @unblocked with specific instructions to guide the review. Provide additional context Give Unblocked more information about intent or constraints so it can refine its feedback: 
@unblocked review this again with more focus on
input validation and error handling.
Focus on a specific area Ask Unblocked to concentrate on a particular aspect of the changes: 
@unblocked focus on test coverage for the new endpoints.
Re-review after new commits When you’ve pushed additional commits to address earlier feedback, ask for a fresh look at specific files: 
@unblocked review just src/auth/session.ts again.

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Ask questions

Use PR Chat to ask Unblocked questions about the code in your pull request, the broader system, or the intent behind the changes. Unblocked draws on the context connected to your workspace to provide informed answers. Understand the changes 
@unblocked what does this PR change about retry logic?
Explore the broader system 
@unblocked how does the auth middleware work in this repo?
Clarify intent or design decisions 
@unblocked why was this service split into two modules?
Because Unblocked has access to your connected context — including past pull requests, documentation, and team discussions — answers go beyond what’s visible in the diff.

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Request diagrams

Ask Unblocked to generate diagrams that visualize data flows, architecture, or relationships in the codebase. Diagrams are rendered directly in the PR comment thread. 
@unblocked draw the data flow for order processing in this PR.

@unblocked illustrate how the API gateway interacts with
the downstream services touched here.
Diagrams are useful for onboarding reviewers, documenting complex flows, and confirming that your mental model matches the actual implementation.