huskies: merge 1127 story Migrate all LLM-invoking transports onto assemble_prompt_context; delete legacy Vec

server/src/llm/chat/run.rs

@@ -139,6 +139,14 @@ where
     let received_at = Utc::now().format("%Y-%m-%dT%H:%M:%SZ").to_string();
     inject_received_at(&mut messages, &received_at);
 
+    // Assemble CRDT pipeline-transition events once per turn and advance the
+    // high-water mark.  Uses the Claude Code session_id when available so the
+    // same event stream key is used for resumable sessions; falls back to
+    // "web-ui" for Anthropic/Ollama turns which have no persistent session.
+    let event_ctx = crate::llm_session::assemble_prompt_context(
+        config.session_id.as_deref().unwrap_or("web-ui"),
+    );
+
     let _ = state.cancel_tx.send(false);
     let mut cancel_rx = state.cancel_rx.clone();
     cancel_rx.borrow_and_update();
@@ -177,10 +185,14 @@ where
         // would be lost because Claude Code only receives a single prompt
         // string.  In that case, prepend the conversation history so the LLM
         // retains full context even though the session cannot be resumed.
+        // In both cases, prepend any pending CRDT pipeline-transition events.
         let user_message = if config.session_id.is_some() {
-            latest_user_content
+            format!("{event_ctx}{latest_user_content}")
         } else {
-            build_claude_code_context_prompt(&messages, &latest_user_content)
+            format!(
+                "{event_ctx}{}",
+                build_claude_code_context_prompt(&messages, &latest_user_content)
+            )
         };
 
         let project_root = state
@@ -233,6 +245,14 @@ where
         &[]
     };
 
+    // Prepend pipeline-transition events to the last user message so Anthropic
+    // and Ollama providers also receive the CRDT context on every turn.
+    if !event_ctx.is_empty()
+        && let Some(msg) = messages.iter_mut().rev().find(|m| m.role == Role::User)
+    {
+        msg.content = format!("{event_ctx}{}", msg.content);
+    }
+
     let mut current_history = messages.clone();
 
     // Build the system prompt — append onboarding instructions when the