standards clean

.ai/standards/api_design.md

@@ -1,5 +1,5 @@
 # [DEF:Std:API_FastAPI:Standard]
-# @TIER: CRITICAL
+# @COMPLEXITY: 5
 # @PURPOSE: Unification of all FastAPI endpoints following GRACE-Poly.
 # @LAYER: UI (API)
 # @INVARIANT: All non-trivial route logic must be wrapped in `belief_scope`.
@@ -9,7 +9,7 @@
 Every API route file must start with a module definition header:
 ```python
 # [DEF:ModuleName:Module]
-# @TIER: [CRITICAL | STANDARD | TRIVIAL]
+# @COMPLEXITY: [1-5]
 # @SEMANTICS: list, of, keywords
 # @PURPOSE: High-level purpose of the module.
 # @LAYER: UI (API)