feat(sdm): inject structural dependency mapping tags across codebase

Adds [C: caller] tags to functions/methods and [M: mutation] / [U: usage] tags to class variables based on cross-module call analysis.

tests/test_live_workflow.py

@@ -16,7 +16,8 @@ from src.api_hook_client import ApiHookClient
 def wait_for_value(client, field, expected, timeout=10):
  """
  
-  Helper to poll the GUI state until a field matches the expected value.
+  
+   Helper to poll the GUI state until a field matches the expected value.
  """
  start = time.time()
  while time.time() - start < timeout:
@@ -31,9 +32,10 @@ def wait_for_value(client, field, expected, timeout=10):
 def test_full_live_workflow(live_gui) -> None:
  """
  
-  Integration test that drives the GUI through a full workflow.
-  ANTI-SIMPLIFICATION: Asserts exact AI behavior, thinking state tracking,
-  and response logging in discussion history.
+  
+   Integration test that drives the GUI through a full workflow.
+   ANTI-SIMPLIFICATION: Asserts exact AI behavior, thinking state tracking,
+   and response logging in discussion history.
  """
  client = ApiHookClient()
  assert client.wait_for_server(timeout=10)