diff --git a/src/bin/poc-hook.rs b/src/bin/poc-hook.rs
index ef68bfd..2308eb9 100644
--- a/src/bin/poc-hook.rs
+++ b/src/bin/poc-hook.rs
@@ -140,6 +140,13 @@ fn main() {
         .filter(|p| !p.is_empty())
         .map(PathBuf::from);
 
+    // Daemon agent calls set POC_AGENT=1 — skip all signaling.
+    // Without this, the daemon's claude -p calls trigger hooks that
+    // signal "user active", keeping the idle timer permanently reset.
+    if std::env::var("POC_AGENT").is_ok() {
+        return;
+    }
+
     match hook_type {
         "UserPromptSubmit" => {
             signal_user();
diff --git a/src/llm.rs b/src/llm.rs
index 3754533..df4f766 100644
--- a/src/llm.rs
+++ b/src/llm.rs
@@ -59,6 +59,9 @@ fn call_model(agent: &str, model: &str, prompt: &str) -> Result<String, String>
         cmd.env("CLAUDE_CONFIG_DIR", dir);
     }
 
+    // Tell hooks this is a daemon agent call, not interactive
+    cmd.env("POC_AGENT", "1");
+
     let start = std::time::Instant::now();
 
     let result = unsafe {