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cleanup: kill dead code, fix signal handler safety

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- Remove unused now_secs(), parse_json_response, any_alive, Regex import
- Signal handler: replace Mutex with AtomicPtr<c_char> for signal safety
  (Mutex::lock in a signal handler can deadlock if main thread holds it)
- PidGuard Drop reclaims the leaked CString; signal handler just unlinks
- scan_pid_files moved to knowledge.rs as pub helper
- setup_agent_state calls scan_pid_files to clean stale pids on startup

Co-Authored-By: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
ProofOfConcept 2026-03-26 15:58:59 -04:00
parent 52703b4637
commit 5d803441c9
5 changed files with 223 additions and 215 deletions
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30
src/subconscious/llm.rs
View file

@ -1,8 +1,6 @@
// LLM utilities: model invocation via direct API
use crate::store::Store;
use regex::Regex;
use std::fs;
/// Simple LLM call for non-agent uses (audit, digest, compare).
@ -36,34 +34,6 @@ pub(crate) fn call_for_def_multi(
super::api::call_api_with_tools_sync(&def.agent, prompts, def.temperature, bail_fn, log)
}
/// Parse a JSON response, handling markdown fences.
pub(crate) fn parse_json_response(response: &str) -> Result<serde_json::Value, String> {
let cleaned = response.trim();
let cleaned = cleaned.strip_prefix("```json").unwrap_or(cleaned);
let cleaned = cleaned.strip_prefix("```").unwrap_or(cleaned);
let cleaned = cleaned.strip_suffix("```").unwrap_or(cleaned);
let cleaned = cleaned.trim();
if let Ok(v) = serde_json::from_str(cleaned) {
return Ok(v);
}
// Try to find JSON object or array
let re_obj = Regex::new(r"\{[\s\S]*\}").unwrap();
let re_arr = Regex::new(r"\[[\s\S]*\]").unwrap();
if let Some(m) = re_obj.find(cleaned)
&& let Ok(v) = serde_json::from_str(m.as_str()) {
return Ok(v);
}
if let Some(m) = re_arr.find(cleaned)
&& let Ok(v) = serde_json::from_str(m.as_str()) {
return Ok(v);
}
let preview = crate::util::first_n_chars(cleaned, 200);
Err(format!("no valid JSON in response: {preview}..."))
}
/// Get all keys for prompt context.
pub(crate) fn semantic_keys(store: &Store) -> Vec<String> {