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SessionFollower

Struct SessionFollower 

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pub struct SessionFollower { /* private fields */ }
Expand description

Poll-based follower for one persisted Claude Code, Codex, Pi, OpenCode, or Grok session.

Polling first compares cheap filesystem stamps. The source is fully parsed only after a relevant file changes. This keeps idle polling cheap while retaining the existing, well-tested format loaders as the source of truth.

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impl SessionFollower

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pub fn open_locator( locator: &SessionLocator, ) -> Result<SessionFollower, InterchangeError>

Open a persisted session using its durable catalog locator.

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pub fn open_locator_with_fidelity( locator: &SessionLocator, fidelity: Fidelity, ) -> Result<SessionFollower, InterchangeError>

Self::open_locator at a declared fidelity.

A read-only mirror follows at Fidelity::Semantic so a compacted transcript keeps streaming instead of turning every poll into a watch_error. See crate::Session::load_with_fidelity.

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pub fn open_locator_with_view( locator: &SessionLocator, fidelity: Fidelity, include_subagents: bool, message_limit: Option<usize>, max_message_chars: Option<usize>, display_history: bool, ) -> Result<SessionFollower, InterchangeError>

Open a frontend-oriented follower whose snapshots contain only the selected parent and at most message_limit trailing messages.

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pub fn open( path: impl Into<PathBuf>, opencode_session: Option<&str>, ) -> Result<SessionFollower, InterchangeError>

Open a local session for passive following.

opencode_session is valid only for an OpenCode SQLite store. When it is omitted, the initially selected session is pinned for all later polls rather than following whichever database row becomes newest.

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pub fn open_with_fidelity( path: impl Into<PathBuf>, opencode_session: Option<&str>, fidelity: Fidelity, ) -> Result<SessionFollower, InterchangeError>

Self::open at a declared fidelity.

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pub fn poll(&mut self) -> Result<Option<SessionWatchEvent>, InterchangeError>

Inspect the filesystem once and return the next event, if any.

The first call always returns an initial snapshot. Later calls return None while the relevant filesystem stamps are unchanged.

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fn and<P, B, E>(self, other: P) -> And<T, P>
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Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
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Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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