vtcode-commons 0.98.7

Shared traits for paths, telemetry, and error reporting reused across VT Code component extractions
Documentation 
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//! Global trace log flush hook.
//!
//! Allows any crate (including `vtcode-tui`) to trigger a trace log flush
//! without depending on `vtcode-core`. The flush callback is registered once
//! during tracing initialization and can be invoked from signal handlers or
//! shutdown sequences.

use std::sync::OnceLock;

static FLUSH_HOOK: OnceLock<fn()> = OnceLock::new();

/// Register a flush callback. Called once during tracing initialization.
pub fn register_trace_flush_hook(f: fn()) {
    let _ = FLUSH_HOOK.set(f);
}

/// Flush the global trace log writer.
///
/// Safe to call from signal handlers, shutdown hooks, or `Drop` implementations.
/// No-op if no flush hook has been registered.
pub fn flush_trace_log() {
    if let Some(hook) = FLUSH_HOOK.get() {
        hook();
    }
}