🌿 Fern Regeneration -- November 26, 2025

[fern-api]

This PR regenerates code to match the latest API Definition.

[greptile-apps]

Greptile Overview

Greptile Summary

Fern SDK regeneration updating generator from 4.37.0 to 4.41.1, which introduces enhanced retry logic with X-RateLimit-Reset header support and improved jitter mechanisms.

• Updated SDK version to 0.1.13
• Python version requirement bumped from 3.8 to 3.9 in CI
• Added parallel test execution using pytest-xdist
• Enhanced retry logic with:
  • Support for X-RateLimit-Reset header parsing
  • Separate jitter strategies (positive for rate limits, symmetric for backoff)
  • Increased max retry delay from 10s to 60s
  • Increased initial retry delay from 0.5s to 1.0s
• Critical issue: Type error in _parse_retry_after on line 35 - comparing string with integer

Confidence Score: 1/5

• This PR contains a critical type error that will cause runtime failures
• The type error on line 35 of http_client.py will cause the code to fail when the retry-after-ms header is present, as it attempts to compare a string directly with an integer without converting it first
• Critical attention required for src/credal/core/http_client.py - must fix type error on line 35 before merging

Important Files Changed

File Analysis

Filename	Score	Overview
.github/workflows/ci.yml	5/5	Python version bumped to 3.9, added parallel test execution with -n auto
pyproject.toml	5/5	Version bumped to 0.1.13, added pytest-xdist for parallel testing
src/credal/core/http_client.py	1/5	Enhanced retry logic with X-RateLimit-Reset support and improved jitter; contains type error on line 35

Sequence Diagram

sequenceDiagram
    participant Client
    participant HttpClient
    participant API Server
    
    Client->>HttpClient: Make HTTP Request
    HttpClient->>API Server: Send Request
    
    alt Success Response
        API Server-->>HttpClient: 200 OK
        HttpClient-->>Client: Return Response
    else Rate Limited (429)
        API Server-->>HttpClient: 429 + Headers
        Note over HttpClient: Check Retry-After header
        alt Retry-After present
            HttpClient->>HttpClient: Wait min(retry_after, 60s)
        else X-RateLimit-Reset present
            HttpClient->>HttpClient: Calculate delay from reset time
            HttpClient->>HttpClient: Add positive jitter (0-20%)
        else Exponential Backoff
            HttpClient->>HttpClient: Calculate 1.0 * 2^retries (max 60s)
            HttpClient->>HttpClient: Add symmetric jitter (±10%)
        end
        HttpClient->>API Server: Retry Request
        API Server-->>HttpClient: Response
        HttpClient-->>Client: Return Response
    else Server Error (5xx)
        API Server-->>HttpClient: 5xx Error
        Note over HttpClient: Apply same retry logic
        HttpClient->>HttpClient: Calculate delay with jitter
        HttpClient->>API Server: Retry Request
        API Server-->>HttpClient: Response
        HttpClient-->>Client: Return Response
    end

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[greptile-apps]

Additional Comments (1)

1. src/credal/core/http_client.py, line 35 (link)

   syntax: retry_after_ms is a string, cannot be compared with > 0

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