refactor: remove workflow machinery

crates/worker/src/ipc/interceptor.rs

@@ -22,7 +22,6 @@ use llm_engine::tool::ToolOutput;
 use tracing::info;
 use tracing::warn;
 
-use crate::active_workflow::ActiveWorkflowStore;
 use crate::compact::state::CompactState;
 use crate::compact::usage_tracker::UsageTracker;
 use session_store::SystemItem;
@@ -72,10 +71,6 @@ pub(crate) struct WorkerInterceptor {
     /// worker. `None` in tests / `Worker::new` paths where no writer is
     /// attached.
     log_writer: Option<Arc<dyn SystemItemCommitter>>,
-    /// Active workflow state is durable typed Worker state.  The interceptor
-    /// regenerates request-local workflow guidance from this store and strips
-    /// any stale compacted-history copies before each model request.
-    active_workflows: ActiveWorkflowStore,
     /// Next turn index assigned by `on_prompt_submit`.
     next_turn_index: AtomicUsize,
     /// Tool calls observed in the current turn (reset on each new prompt).
@@ -91,7 +86,6 @@ impl WorkerInterceptor {
         pending_attachments: Arc<Mutex<Vec<SystemItem>>>,
         prompts: Arc<PromptCatalog>,
         log_writer: Option<Arc<dyn SystemItemCommitter>>,
-        active_workflows: ActiveWorkflowStore,
     ) -> Self {
         Self {
             registry,
@@ -102,7 +96,6 @@ impl WorkerInterceptor {
             pending_attachments,
             prompts,
             log_writer,
-            active_workflows,
             next_turn_index: AtomicUsize::new(0),
             tool_calls_this_turn: AtomicUsize::new(0),
         }
@@ -241,8 +234,6 @@ impl Interceptor for WorkerInterceptor {
     }
 
     async fn pre_llm_request(&self, context: &mut Vec<Item>) -> PreRequestAction {
-        self.active_workflows.sanitize_context(context);
-
         let initial_tokens = self.estimated_tokens(context);
         if self.request_threshold_exceeded(initial_tokens, context) {
             return PreRequestAction::Yield;
@@ -536,7 +527,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx = ctx_items;
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -569,7 +559,6 @@ mod tests {
             Some(Arc::new(RecordingSystemItemCommitter {
                 committed: Arc::clone(&committed),
             })),
-            ActiveWorkflowStore::new(),
         );
         let mut ctx = ctx_items;
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -606,7 +595,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         )
         .with_usage_tracker(usage_tracker);
         let mut ctx = ctx_items;
@@ -632,7 +620,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx = ctx_items;
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -674,7 +661,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx = ctx_items;
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -702,7 +688,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx = ctx_items;
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -724,7 +709,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx: Vec<Item> = Vec::new();
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -753,7 +737,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             Some(committer),
-            ActiveWorkflowStore::new(),
         );
 
         let mut ctx: Vec<Item> = Vec::new();
@@ -801,7 +784,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
 
         let mut ctx: Vec<Item> = Vec::new();
@@ -859,7 +841,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut info = task_tool_call_info("TaskList", serde_json::json!({"scope": "all"}));
 
@@ -907,7 +888,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let info = task_tool_call_info("TaskList", serde_json::json!({}));
         let mut result_info = ToolResultInfo {
@@ -957,7 +937,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let history = vec![Item::user_message("hi"), Item::assistant_message("done")];
 
@@ -992,7 +971,6 @@ mod tests {
             Some(Arc::new(RecordingSystemItemCommitter {
                 committed: Arc::clone(&committed),
             })),
-            ActiveWorkflowStore::new(),
         )
         .with_usage_tracker(Arc::clone(&usage_tracker));
 
@@ -1052,7 +1030,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
 
         let items = interceptor.pending_history_appends().await;
@@ -1090,7 +1067,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx: Vec<Item> = vec![Item::user_message("hi")];
         let action = interceptor.pre_llm_request(&mut ctx).await;
@@ -1121,7 +1097,6 @@ mod tests {
             Arc::new(Mutex::new(Vec::new())),
             PromptCatalog::builtins_only().unwrap(),
             None,
-            ActiveWorkflowStore::new(),
         );
         let mut ctx: Vec<Item> = Vec::new();
         let action = interceptor.pre_llm_request(&mut ctx).await;