Move cursor to the position recorded for mark `name`, if the text still matches.

Decode the payload of a JWT (`header.payload.signature`) and pull out the fields we care about for naming a profile. Tolerates malformed input by retu

List all resources from all (or a specific) connected server.

llama.cpp — lightweight C++ inference server. Reads `LLAMA_CPP_HOST` for the base URL; defaults to `http://localhost:8080`.

LM Studio — local OpenAI-compatible server. Reads `LM_STUDIO_HOST` for the base URL; defaults to `http://localhost:1234`.

Load the persisted todo list for `session_id`. Returns an empty vec if the file does not exist or cannot be parsed.

Build the managed-agent section appended to the system prompt when managed mode is active.

Returns `true` when this rule matches the given tool name and optional path argument.

Convert an MCP tool call result to a string for the model. Content type handling: - `text` → the text itself - `image` → `[Image: <mime_type>]

Returns `true` for models that support extended thinking / effort levels. Covers Claude's extended-thinking models and the GPT-5 reasoning family (in

`gg` / line-N — go to start of line `line_num` (1-indexed; 0 or 1 → start of text).

Move focus to the next field.

Ollama — local inference server. Reads `OLLAMA_HOST` for the base URL; defaults to `http://localhost:11434`.

Record a failed compaction; open circuit breaker if too many.

Called whenever a new message is appended to `messages`. Manages the auto-scroll / new-message-counter state.

Open the overlay. `current_model` is highlighted as active; `current_effort` and `fast_mode` are carried over from app state so the user sees the liv

Parse an API error body into a typed `ClaudeError`.

Parse a chord (space-separated keystrokes like "ctrl+k ctrl+d")

Parse a raw `serde_json::Value` that may be either a flat hooks object (`{ "PreToolUse": [...] }`) or a wrapped object with a `hooks` key (`{ "descrip

Read PNG dimensions from the IHDR chunk (bytes 16–23).

Update the context window size from the model registry for the current model.

Render the bypass-permissions confirmation dialog over the frame.

Render the file injection warning dialog over the frame.

Render the invalid-config dialog over the frame.

Render a rate-limit warning banner with optional upgrade hint.

Return the recorded key sequence for `register`, or an empty vec.

Returns 5 Lines representing the Rustle mascot: [0] — head row (5-wide top, 7-wide bottom) [1] — claws + eyes row (widest — pincers extend from sides)

Scan `content` for common high-confidence secret patterns. Returns one [`SecretMatch`] per distinct pattern that fired. The actual matched text is i

Derive a deterministic u32 seed from a user-id string. Algorithm: FNV-1a 32-bit over the raw bytes of `user_id`. Matches the TypeScript `hashString`

Get a reference to the currently selected branch, if any.

The on-disk directory for conversation sessions.

Enable or disable voice input.

Build spans for a text string with a right-to-left glimmer sweep, matching the TS `GlimmerMessage` behaviour (glimmerSpeed=200ms, 3-char shimmer windo

Show the banner with the given overage amount.

Slugify an arbitrary string into a safe profile id. Lowercases, replaces non-`[a-z0-9_-]` with `-`, trims dashes/underscores from edges, falls back to

Spawn the server process and return a connected client. The I/O pump task is started in the background.

Persist an MCP OAuth token to disk.

Compute a match score for `query` against `target`. Fast path: if `target` contains `query` as a substring the score is `1.0 + position_bonus` so it

Returns the path to the persisted todo list for `session_id`.

Path to the token store for a given MCP server.

Returns the per-project transcript directory. The project root path is encoded using **URL-safe base64 without padding to produce a stable, platform-

Truncate a list of owned spans so the total character count ≤ `max_chars`.

Try to read a file, applying the 500 KB size limit. Returns `None` if the file doesn't exist, is empty, or exceeds the limit.

Update the terminal title to reflect the current session context. Format: "🦀 | <topic>" or just "🦀 Claurst" when no topic is set.

Write `content` to `path`, creating parent directories as needed.

Append a single entry to a JSONL transcript file. Creates parent directories if they do not exist. Is a no-op (returns `Ok(())`) when the file alread

`~/.claurst/accounts/<provider>/<id>/`.

Add a clipboard image attachment to the pending list.

Add an arbitrary rule to this manager.

Allow `tool_name` for the rest of this session.

Collect all `PluginCommandDef` items from enabled plugins.

Get all tool definitions from all connected servers.

File where the per-account Anthropic OAuth tokens live.

The lowercase string name of this effort level. Round-trips with `from_str`.

Navigate back one level (Esc key).

Encode bytes as base64url (no padding) — same as `btoa` + replace in TS.

Build a full OAuth authorization session for an HTTP/SSE MCP server.

Pick the best default model for a provider. Selection rule** (mirrors opencode's "latest tag"): 1. Prefer non-alpha, non-deprecated models. 2. Prefer

Build a [`FreeProvider`] by walking [`FREE_CATALOG`] and pulling any keys the user has stored in the auth store. Each catalog entry whose upstream has

Compute word-level inline diff spans for an adjacent (removed, added) line pair. Returns `(old_spans, new_spans)` where changed words have a highlight

Build a turn-local diff from file-history snapshots.

Enabling Free mode requires at least one non-empty key. More is better.