diff --git a/src/wasm/worker.cpp b/src/wasm/worker.cpp
index 87ad56c..0dadf25 100644
--- a/src/wasm/worker.cpp
+++ b/src/wasm/worker.cpp
@@ -645,6 +645,22 @@ public:
 		return(cfg.cache_root + source_path + ".wasm");
 	}
 
+	bool component_unit_needs_recompile(Request* context, const String& source_path, bool can_serve_stale)
+	{
+		if(!can_serve_stale)
+			return(compiler_unit_needs_recompile(context, source_path, 0));
+		// The proactive compiler owns stale HTTP publication. Bound its full
+		// source-graph signature scan per worker instead of repeating it at every
+		// component boundary; CLI and non-stale requests keep immediate checks.
+		auto now = std::chrono::steady_clock::now();
+		auto cached = component_freshness.find(source_path);
+		if(cached != component_freshness.end() && now - cached->second.first < std::chrono::seconds(1))
+			return(cached->second.second);
+		bool stale = compiler_unit_needs_recompile(context, source_path, 0);
+		component_freshness[source_path] = {now, stale};
+		return(stale);
+	}
+
 	std::shared_ptr<WasmUnitModule> unit_module(const String& source_path, String& error)
 	{
 		String wasm_path = unit_wasm_path(source_path);
@@ -773,6 +789,7 @@ private:
 	}
 
 	std::map<String, std::shared_ptr<WasmUnitModule>> module_cache;
+	std::map<String, std::pair<std::chrono::steady_clock::time_point, bool>> component_freshness;
 };
 
 // ---- workspace (per request) ----------------------------------------------
@@ -1621,8 +1638,8 @@ private:
 			return(1);
 		}
 
-		bool stale = compiler_unit_needs_recompile(context, resolved, 0);
 		bool can_serve_stale = compiler_request_can_serve_stale_artifact(context);
+		bool stale = worker.component_unit_needs_recompile(context, resolved, can_serve_stale);
 		if(stale && can_serve_stale)
 			compiler_prioritize_unit(context, resolved);
 		if(!file_exists_host(worker.unit_wasm_path(resolved)) || (stale && !can_serve_stale))