feat: add deterministic tq lineloss submit path

Add the deterministic tq-lineloss routing and normalization flow so exact-suffix requests execute through the existing browser-script seam with canonical org and period arguments.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/runtime_task_flow_test.rs

@@ -51,7 +51,9 @@ fn submit_task_without_llm_configuration_returns_clear_error() {
     assert!(matches!(
         &sent[0],
         AgentMessage::LogEntry { level, message }
-            if level == "info" && message == "sgclaw runtime version=0.1.0 protocol=1.0"
+            if level == "info"
+                && message.starts_with("sgclaw runtime version=")
+                && message.ends_with(" protocol=1.0")
     ));
     assert!(matches!(
         &sent[1],