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@iceljc iceljc commented Jan 17, 2026

PR Type

Bug fix


Description

  • Replace iframe detection method with more reliable window comparison

  • Use window.self != window.top instead of location-based detection

  • Improves iframe detection accuracy in chat view initialization


Diagram Walkthrough

flowchart LR
  A["initChatView function"] -- "iframe detection" --> B["Old: window.location != window.parent.location"]
  A -- "iframe detection" --> C["New: window.self != window.top"]
  C -- "sets" --> D["isFrame variable"]
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File Walkthrough

Relevant files
Bug fix
chat-box.svelte
Update iframe detection method in chat view                           

src/routes/chat/[agentId]/[conversationId]/chat-box.svelte

  • Changed iframe detection logic in initChatView() function
  • Replaced location-based comparison with window object comparison
  • Uses window.self != window.top for more reliable iframe detection
+1/-1     

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PR Compliance Guide 🔍

Below is a summary of compliance checks for this PR:

Security Compliance
🟢
No security concerns identified No security vulnerabilities detected by AI analysis. Human verification advised for critical code.
Ticket Compliance
🎫 No ticket provided
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Codebase Duplication Compliance
Codebase context is not defined

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Custom Compliance
🟢
Generic: Comprehensive Audit Trails

Objective: To create a detailed and reliable record of critical system actions for security analysis
and compliance.

Status: Passed

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Generic: Meaningful Naming and Self-Documenting Code

Objective: Ensure all identifiers clearly express their purpose and intent, making code
self-documenting

Status: Passed

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Generic: Secure Error Handling

Objective: To prevent the leakage of sensitive system information through error messages while
providing sufficient detail for internal debugging.

Status: Passed

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Secure Logging Practices

Objective: To ensure logs are useful for debugging and auditing without exposing sensitive
information like PII, PHI, or cardholder data.

Status: Passed

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Robust Error Handling and Edge Case Management

Objective: Ensure comprehensive error handling that provides meaningful context and graceful
degradation

Status:
SSR window access: The new iframe detection reads window.self/window.top without guarding for non-browser
execution (e.g., SSR), which could throw if initChatView() can run outside the client.

Referred Code
isFrame = window.self != window.top;
mode = $page.url.searchParams.get('mode') || '';

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Security-First Input Validation and Data Handling

Objective: Ensure all data inputs are validated, sanitized, and handled securely to prevent
vulnerabilities

Status:
Browser-only dependency: The iframe detection logic relies on browser globals (window.self/window.top) and should
be verified to only execute client-side to avoid runtime failures in non-browser contexts.

Referred Code
isFrame = window.self != window.top;
mode = $page.url.searchParams.get('mode') || '';

Learn more about managing compliance generic rules or creating your own custom rules

Compliance status legend 🟢 - Fully Compliant
🟡 - Partial Compliant
🔴 - Not Compliant
⚪ - Requires Further Human Verification
🏷️ - Compliance label

@iceljc iceljc merged commit a8a5adf into SciSharp:main Jan 17, 2026
1 of 2 checks passed
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PR Code Suggestions ✨

Explore these optional code suggestions:

CategorySuggestion                                                                                                                                    Impact
Possible issue
Add error handling for iframe detection

Wrap the window.self != window.top check in a try...catch block to handle
potential SecurityError in cross-origin iframes. Set isFrame to true in the
catch block.

src/routes/chat/[agentId]/[conversationId]/chat-box.svelte [378]

-isFrame = window.self != window.top;
+try {
+    isFrame = window.self != window.top;
+} catch (e) {
+    isFrame = true;
+}
  • Apply / Chat
Suggestion importance[1-10]: 8

__

Why: This suggestion correctly identifies that accessing window.top in a cross-origin iframe will throw a SecurityError. The proposed try...catch block correctly handles this by setting isFrame to true, making the iframe detection logic robust and preventing a potential crash.

Medium
General
Add SSR guard for window access

Add a typeof window !== 'undefined' check before accessing window.self and
window.top to prevent potential errors during server-side rendering (SSR).

src/routes/chat/[agentId]/[conversationId]/chat-box.svelte [378]

-isFrame = window.self != window.top;
+isFrame = typeof window !== 'undefined' && window.self !== window.top;
  • Apply / Chat
Suggestion importance[1-10]: 4

__

Why: While adding a check for typeof window !== 'undefined' is a good defensive practice for code that might run in an SSR environment, the function initChatView is very likely to be executed only on the client side in a Svelte component, making this check potentially redundant.

Low
  • More

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