design-md-consolidation 3.1: remove 2 Rust code blocks from Decision 10 (Type::Fn + Suppress) — schema lives in §Data-model

docs/DESIGN.md

@@ -1022,21 +1022,9 @@ The form-A surface for fn signatures gains mode wrappers:
 ```
 
 Internally, this is *not* a new `Type` variant. Modes are
-metadata on `Type::Fn`:
-
-```rust
-Type::Fn {
-    params: Vec<Type>,
-    param_modes: Vec<ParamMode>,   // same length as params
-    ret: Box<Type>,
-    ret_mode: ParamMode,
-    effects: Vec<String>,
-}
-
-enum ParamMode { Implicit, Own, Borrow }   // default: Implicit
-```
-
-The substantive reasons for per-position metadata over a
+metadata on `Type::Fn` — `paramModes` and `retMode` fields run
+parallel to `params` and `ret` (see §"Data model" for the JSON
+schema). The substantive reasons for per-position metadata over a
 `Type::Borrow` / `Type::Own` variant approach:
 
 - **Semantic locality.** Modes are properties of fn-signature
@@ -1127,16 +1115,11 @@ All four are skipped during serialisation when absent / false /
 None so canonical-JSON hashes of every fixture remain stable
 until the fixture intentionally adopts the feature.
 
-**`FnDef.suppress`.**
-
-```rust
-FnDef.suppress: Vec<Suppress>                        ; advisory diagnostic suppress list
-
-struct Suppress {
-    code: String,        // diagnostic code being suppressed
-    because: String,     // mandatory non-empty reason
-}
-```
+**`FnDef.suppress`.** The `suppress` field on `FnDef` carries a
+list of advisory-diagnostic suppress entries; each entry has a
+`code` (the diagnostic being suppressed) and a `because` (a
+mandatory non-empty reason). See §"Data model" for the canonical
+schema.
 
 Form-A surface: `(suppress (code "...") (because "..."))` clause
 between fn name and `(type ...)`. Multiple clauses allowed; one