diff --git a/crates/colibri-daemon/src/socket.rs b/crates/colibri-daemon/src/socket.rs
index 5711e89..e760461 100644
--- a/crates/colibri-daemon/src/socket.rs
+++ b/crates/colibri-daemon/src/socket.rs
@@ -398,10 +398,21 @@ async fn cmd_spawn_agent(
             let agent_label = handle.config.binary.clone();
             let stdout = handle.take_stdout().await;
 
-            state.glasspane.write().await.attach_pane_at(
+            // Bind the pane to the harness so its stdout JSONL is parsed with the
+            // right taxonomy: a `zot` binary emits zot events (normalized via
+            // zot_event_type); everything else is treated as Pi.
+            let runtime = match std::path::Path::new(&agent_label)
+                .file_name()
+                .and_then(|s| s.to_str())
+            {
+                Some("zot") => colibri_glasspane::AgentRuntime::Zot,
+                _ => colibri_glasspane::AgentRuntime::Pi,
+            };
+            state.glasspane.write().await.attach_pane_with_runtime(
                 id.clone(),
                 agent_label,
                 SystemTime::now(),
+                runtime,
             );
             state.agents.insert(id.clone(), handle);
 
diff --git a/crates/colibri-glasspane/src/lib.rs b/crates/colibri-glasspane/src/lib.rs
index e0ce3cf..e9c392b 100644
--- a/crates/colibri-glasspane/src/lib.rs
+++ b/crates/colibri-glasspane/src/lib.rs
@@ -247,6 +247,9 @@ pub struct PiJsonlIngestor {
     pi_session_id: Option<String>,
     cwd: Option<String>,
     last_event_at: Option<SystemTime>,
+    /// Which harness produced the stream. Pi events are read directly; zot
+    /// events are normalized through `zot_event_type` first.
+    runtime: AgentRuntime,
 }
 
 impl Default for PiJsonlIngestor {
@@ -256,11 +259,20 @@ impl Default for PiJsonlIngestor {
             pi_session_id: None,
             cwd: None,
             last_event_at: None,
+            runtime: AgentRuntime::Pi,
         }
     }
 }
 
 impl PiJsonlIngestor {
+    /// Ingestor for a specific harness (Pi reads raw, Zot is normalized).
+    pub fn with_runtime(runtime: AgentRuntime) -> Self {
+        Self {
+            runtime,
+            ..Self::default()
+        }
+    }
+
     pub fn state(&self) -> AgentState {
         self.state
     }
@@ -285,7 +297,15 @@ impl PiJsonlIngestor {
         observed_at: SystemTime,
     ) -> Option<PiStreamUpdate> {
         let value: Value = serde_json::from_str(line.trim()).ok()?;
-        let ty = value.get("type")?.as_str()?;
+        // Pi events use Colibri's taxonomy directly; zot events are normalized
+        // (e.g. tool_use_start -> tool_execution_start, response success:false
+        // -> error, response/usage -> skipped).
+        let ty: String = match self.runtime {
+            // Pi and Local both emit the Colibri/Pi taxonomy directly.
+            AgentRuntime::Pi | AgentRuntime::Local => value.get("type")?.as_str()?.to_string(),
+            AgentRuntime::Zot => zot_event_type(line)?,
+        };
+        let ty = ty.as_str();
 
         self.state = apply_pi_event(self.state, ty);
         self.last_event_at = Some(observed_at);
@@ -330,11 +350,22 @@ pub struct SupervisedPane {
 
 impl SupervisedPane {
     pub fn new(id: impl Into<PaneId>, agent: impl Into<String>, started_at: SystemTime) -> Self {
+        Self::new_with_runtime(id, agent, started_at, AgentRuntime::Pi)
+    }
+
+    /// Like [`new`](Self::new) but binds the pane to a specific harness so its
+    /// stream is parsed correctly (Pi raw vs zot normalized).
+    pub fn new_with_runtime(
+        id: impl Into<PaneId>,
+        agent: impl Into<String>,
+        started_at: SystemTime,
+        runtime: AgentRuntime,
+    ) -> Self {
         Self {
             id: id.into(),
             agent: agent.into(),
             started_at,
-            ingestor: PiJsonlIngestor::default(),
+            ingestor: PiJsonlIngestor::with_runtime(runtime),
         }
     }
 
@@ -401,7 +432,19 @@ impl PaneSupervisor {
         agent: impl Into<String>,
         started_at: SystemTime,
     ) -> &mut SupervisedPane {
-        let pane = SupervisedPane::new(pane_id, agent, started_at);
+        self.attach_pane_with_runtime(pane_id, agent, started_at, AgentRuntime::Pi)
+    }
+
+    /// Attach a pane bound to a specific harness so its stdout JSONL is parsed
+    /// with the right taxonomy (Pi raw vs zot normalized).
+    pub fn attach_pane_with_runtime(
+        &mut self,
+        pane_id: impl Into<PaneId>,
+        agent: impl Into<String>,
+        started_at: SystemTime,
+        runtime: AgentRuntime,
+    ) -> &mut SupervisedPane {
+        let pane = SupervisedPane::new_with_runtime(pane_id, agent, started_at, runtime);
         self.panes.entry(pane.id.clone()).or_insert(pane)
     }
 
@@ -945,6 +988,35 @@ mod zot_runtime_tests {
         assert_eq!(apply_zot_event(AgentState::Idle, line), AgentState::Working);
     }
 
+    // Runtime-aware streaming path: a Zot-bound pane normalizes raw zot events
+    // (incl. tool_use_*) through the same PaneSupervisor.ingest_line_at the
+    // daemon's stdout reader uses — not just incidentally via Pi names.
+    #[test]
+    fn zot_pane_streams_tool_loop_to_done() {
+        let t0 = std::time::UNIX_EPOCH;
+        let mut sup = PaneSupervisor::new();
+        sup.attach_pane_with_runtime("pane-1", "zot", t0, AgentRuntime::Zot);
+
+        let raw_zot = [
+            r#"{"step":1,"type":"turn_start"}"#,
+            r#"{"type":"tool_use_start","name":"bash"}"#, // -> tool_execution_start
+            r#"{"type":"tool_result"}"#,                  // -> tool_execution_end
+            r#"{"type":"usage"}"#,                        // -> skipped
+        ];
+        for (i, line) in raw_zot.iter().enumerate() {
+            sup.ingest_line_at("pane-1", line, t0 + Duration::from_secs(i as u64));
+        }
+        // mid tool-loop: Working (precise, via normalized tool_execution_* events)
+        assert_eq!(sup.get("pane-1").unwrap().state(), AgentState::Working);
+
+        sup.ingest_line_at(
+            "pane-1",
+            r#"{"type":"turn_end"}"#,
+            t0 + Duration::from_secs(9),
+        );
+        assert_eq!(sup.get("pane-1").unwrap().state(), AgentState::Done);
+    }
+
     #[test]
     fn zot_text_delta_maps_to_message_update() {
         let line = r#"{"delta":"Hello","type":"text_delta"}"#;