getCacheKey generates a cache key for the search parameters. The cache key is a combination of the search query and the hash of the search parameters.

getKeys extracts all keys from a map and returns them as a slice of strings. Parameters: - branches: A map with string keys and []*ThoughtRequest valu

getPdfiumPool returns the process-global pdfium pool, initializing it on first call. Subsequent calls with diverging sizing emit a WARN log and reuse

getPdfiumPool returns the process-global pdfium pool, initializing it on first call. Subsequent calls with diverging sizing emit a WARN log and reuse

getSectionTitle returns the appropriate display title for a given section key. It checks for a custom title in the sectionTitles map first. If not fou

getVQD retrieves the VQD token required for search requests

isImageExt checks if the file extension represents an image.

isPDFBytes checks if the data starts with the PDF magic number (%PDF-).

isToolResponseContent checks if a content contains tool response parts.

isToolResponseContent reports whether a content consists solely of tool response parts.

isToolResultMessage reports whether a message consists solely of tool_result content blocks.

isToolResultMessage reports whether a message consists solely of tool_result content blocks.

makeRequest makes a request to the Wikipedia API.

mergeSplits merges smaller splits into splits that are closer to the chunkSize.

newBingSearch creates a new Bing search client.

newImageContentPart builds a FileContentPart with image type and the given MIME type and payload.