formatToolDefs renders tool definitions as human-readable text for embedding in prompts.

分支对比：merge-base 三点 diff。

单次提交：该 commit 相对父提交的改动文件。

* Get raw content for a slug in the given language, with English fallback.

hostGuard returns a middleware that rejects requests whose Host header is not on the allowlist. This blocks DNS-rebinding attacks against the local vi

hostOnly returns the bare host portion of a Host header value, with any port stripped and surrounding brackets removed from IPv6 literals. Empty or ma

initConsoleProviders sets up stdout exporters for traces and metrics.

initOTLPHTTPProviders sets up OTLP HTTP exporters for traces and metrics.

initRepoWithNonASCIIChange creates a repository whose changed file path contains both non-ASCII characters and Next.js-style route groups. It forces G

injectDiffMap builds a read-only DiffMap from parsed diffs and sets it on the FileReadDiffProvider. Must be called after loadDiffs and before any conc

injectScanContentMap fills the file_read_diff tool's DiffMap with full file content keyed by path, so if the model calls it the tool returns the whole

isLoopbackHost reports whether host is a loopback name or IP literal that is always safe to accept regardless of operator configuration.

loadDiffs populates the diff-related fields.

loadLLMRuntime loads tool defs from toolConfigPath, reads the app config from the user's default config path (applying the configured language to tpl

mapOpenAIResponse converts the SDK response into ChatResponse.

matchGitignorePattern checks if relPath matches a single .gitignore pattern.

newJSONLWriter creates and opens a new JSONL writer for the given session.

newStdoutMetricExporter creates a console metric exporter with pretty-print output.

newStdoutTraceExporter creates a console trace exporter with pretty-print output.

parseBatchStrategy normalizes a user-supplied strategy string. Unknown or empty values fall back to BatchNone (safe v1 behavior).

parseFilterResponse extracts comment indices from the LLM filter response. Returns a set of 0-based indices. Invalid IDs or out-of-range indices are i

parseTimeoutEnv reads and validates the OCR_LLM_TIMEOUT environment variable. Returns the parsed duration and true if set, or 0 and false if unset/emp

printDiffLine renders a single diff line with colored prefix and background on content.

probePathIndex is like probePath but also returns the index of the matched path.

工作区模式仅刷新变更文件，不等待 VS Code Git 扩展，也不拉分支/提交历史。

renderMessages substitutes placeholders in the scan template's MainTask for a single scan item. planGuidance is the output of maybeRunPlan and gets su

通过 git rev-parse 解析仓库根，避免等待 VS Code Git 扩展初始化。

requireGitRepo validates that the given directory is part of a git repository.

resolveEnv reads environment variables to override defaults. Environment takes highest priority.