Cerebras Support #82
Cerebras Support #82
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Claude finished @olesho's task —— View job Code Review: Cerebras SupportI've completed a comprehensive review of this PR that adds Cerebras provider support. Here's my detailed feedback: 📊 Review SummaryOverall Assessment: ✅ Good implementation with minor improvements needed
🚀 StrengthsCode Quality
Functionality
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WalkthroughExtends BrowserAgentServer to support cerebras, anthropic, and google LLM providers in the configure_llm flow and introduces a captureDOMSnapshot capability via Chrome DevTools Protocol. CerebrasProvider now includes schema simplification for unsupported fields, enhanced error handling with detailed logging, and improved API request debugging. Changes
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Key areas requiring focused attention:
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Actionable comments posted: 0
🧹 Nitpick comments (2)
front_end/panels/ai_chat/LLM/CerebrasProvider.ts (2)
141-181: Consider adding debug logging for schema transformations.The
oneOf/anyOfhandling silently picks one option, which could make debugging difficult when tool calls fail unexpectedly. Consider logging when significant transformations occur (e.g., whenoneOf/anyOfis collapsed or unsupported fields are stripped), especially at debug level.+ // Track if we're making significant transformations + let transformations: string[] = []; + for (const key of Object.keys(schema)) { // Skip unsupported schema fields if (CerebrasProvider.UNSUPPORTED_SCHEMA_FIELDS.has(key)) { + transformations.push(`removed ${key}`); continue; } if (key === 'oneOf' || key === 'anyOf') { // For union types, pick the first option that has type: 'object' with properties, // or the first option if none match const options = schema[key]; if (Array.isArray(options) && options.length > 0) { const objectOption = options.find((opt: any) => opt.type === 'object' && opt.properties); const chosen = objectOption || options[0]; + transformations.push(`collapsed ${key} with ${options.length} options`); // Merge the chosen option's properties into result const simplified = this.simplifySchemaForCerebras(chosen); Object.assign(result, simplified); } } else { result[key] = this.simplifySchemaForCerebras(schema[key]); } } + + if (transformations.length > 0) { + logger.debug('Schema simplified for Cerebras:', transformations); + }
324-337: Defensive deletion has no current effect.The
delete payloadBody.response_formatoperates on an object whereresponse_formatis never assigned. Looking at the code above,payloadBodyis constructed with onlymodel,messages,temperature,tools, andtool_choice. The delete and thehasResponseFormatlog check will always showfalse.If this is intentional defensive coding for future changes (or if
response_formatmight come from elsewhere), consider adding a comment. Otherwise, this is dead code.// IMPORTANT: Cerebras does not support response_format with function calling - // Ensure we never send response_format to avoid API errors + // Ensure we never send response_format to avoid API errors. + // Currently no code adds response_format, but kept as defensive guard for future changes. delete payloadBody.response_format;
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (2)
agent-server/nodejs/src/lib/BrowserAgentServer.js(2 hunks)front_end/panels/ai_chat/LLM/CerebrasProvider.ts(5 hunks)
🧰 Additional context used
🧠 Learnings (5)
📓 Common learnings
Learnt from: CR
Repo: BrowserOperator/browser-operator-core PR: 0
File: agent-server/nodejs/CLAUDE.md:0-0
Timestamp: 2025-12-07T00:27:56.465Z
Learning: Applies to agent-server/nodejs/src/lib/EvalServer.js : Use Chrome DevTools Protocol (CDP) for direct browser communication including screenshot capture via Page.captureScreenshot, page content via Runtime.evaluate, and tab management via Target.createTarget/closeTarget
📚 Learning: 2025-12-07T00:27:56.465Z
Learnt from: CR
Repo: BrowserOperator/browser-operator-core PR: 0
File: agent-server/nodejs/CLAUDE.md:0-0
Timestamp: 2025-12-07T00:27:56.465Z
Learning: Applies to agent-server/nodejs/src/lib/EvalServer.js : Use Chrome DevTools Protocol (CDP) for direct browser communication including screenshot capture via Page.captureScreenshot, page content via Runtime.evaluate, and tab management via Target.createTarget/closeTarget
Applied to files:
agent-server/nodejs/src/lib/BrowserAgentServer.js
📚 Learning: 2025-12-07T00:27:56.465Z
Learnt from: CR
Repo: BrowserOperator/browser-operator-core PR: 0
File: agent-server/nodejs/CLAUDE.md:0-0
Timestamp: 2025-12-07T00:27:56.465Z
Learning: Applies to agent-server/nodejs/src/api-server.js : POST /page/screenshot endpoint must accept clientId and tabId, use CDP Page.captureScreenshot, and return base64-encoded PNG with metadata and timestamp
Applied to files:
agent-server/nodejs/src/lib/BrowserAgentServer.js
📚 Learning: 2025-12-07T00:27:56.465Z
Learnt from: CR
Repo: BrowserOperator/browser-operator-core PR: 0
File: agent-server/nodejs/CLAUDE.md:0-0
Timestamp: 2025-12-07T00:27:56.465Z
Learning: Applies to agent-server/nodejs/src/api-server.js : Use formatResponse() method to convert agent responses to OpenAI-compatible format and include metadata with clientId and tabId for screenshot capture
Applied to files:
agent-server/nodejs/src/lib/BrowserAgentServer.js
📚 Learning: 2025-12-07T00:27:56.465Z
Learnt from: CR
Repo: BrowserOperator/browser-operator-core PR: 0
File: agent-server/nodejs/CLAUDE.md:0-0
Timestamp: 2025-12-07T00:27:56.465Z
Learning: Applies to agent-server/nodejs/src/api-server.js : POST /page/content endpoint must accept clientId, tabId, format (html or text), and includeIframes parameters; recursively capture iframe content when includeIframes is true
Applied to files:
agent-server/nodejs/src/lib/BrowserAgentServer.js
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- GitHub Check: claude-review
🔇 Additional comments (6)
agent-server/nodejs/src/lib/BrowserAgentServer.js (2)
384-384: LGTM - Extended LLM provider support.The addition of
cerebras,anthropic, and
1309-1370: Well-structured DOM snapshot capability with good error handling.The implementation follows the established patterns in this class for CDP commands. Good defensive checks on the response structure and helpful domain-availability guidance in the error message.
One minor note: the error detection at line 1364 uses string matching (
includes('was not found')). While this works for common CDP error messages, consider whether a more robust check (e.g., matching CDP error codes) would be appropriate if you encounter edge cases.front_end/panels/ai_chat/LLM/CerebrasProvider.ts (4)
200-212: LGTM - Enhanced error handling provides valuable debug context.The multi-format error message extraction (
errorData?.message || errorData?.error?.message) correctly handles both Cerebras and OpenAI error response formats. The logging of request keys and tool schemas will significantly aid debugging.
381-393: LGTM - Flexible API key handling with useful debug logging.The optional
apiKeyparameter with fallback to instanceapiKeyprovides good flexibility. The obfuscated key previews (first 5 characters) are helpful for debugging which key is in use.Note: Logging even partial API keys is generally safe for debugging, but ensure these logs aren't exposed in production user-facing interfaces.
300-314: LGTM - Proper integration of schema simplification.The integration applies
simplifySchemaForCerebrascorrectly to tool parameters with a sensible default fallback for missing parameters.
101-132: Verify list against current Cerebras API—numeric keywords may now be supported.The documented unsupported fields align with actual API errors encountered, but the current Cerebras documentation indicates that numeric keywords (
minimum,maximum,multipleOf) andadditionalPropertiesare now supported. Testing against the latest Cerebras API or checking the recent changelog (Oct 2025 updates mentioned) would confirm if this list can be trimmed to only fields that genuinely cause errors.
Summary by CodeRabbit
Release Notes
New Features
Improvements
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