HAND parse C: revert #5864 + regen v1_compiler_parse.rs from 02_parse.dag (operator-ruled)

src/v1/stage0/src/bin/regen_stage0.rs

@@ -93,6 +93,7 @@ const GENERATED_STAGE0_FILES: &[&str] = &[
     "v1_compiler_languages.rs",
     "v1_compiler_normalize.rs",
     "v1_compiler_ownership.rs",
+    "v1_compiler_parse.rs",
     "v1_compiler_resolve.rs",
     "v1_compiler_runtime_go.rs",
     "v1_compiler_runtime_rust.rs",
@@ -129,13 +130,6 @@ const HAND_MAINTAINED_STAGE0_FILES: &[&str] = &[
     "rest_transport_facts.rs",
     "transport_script_position_project.rs",
     "wire_value_serialize.rs",
-    // Un-dissolved bootstrap parser seed: #5864's O(N) cursor optimization lives in
-    // this hand-maintained file, NOT in src/v1/02_parse.dag (which still models the
-    // O(N^2) baseline). A faithful regen from 02_parse.dag would revert #5864, so
-    // parse.rs is copy-preserved here (operator ruling Path B). Dissolution: ground
-    // the TokenStream cursor into 02_parse.dag, then move this file back to
-    // GENERATED_STAGE0_FILES.
-    "v1_compiler_parse.rs",
     // Dep-pool emit wiring landed in 05_emit_rust.dag; registry flip deferred until
     // regen_stage0 --verify confirms byte-identical output vs this committed file.
     // Dissolution: run regen_stage0 --verify; on green, move to GENERATED_STAGE0_FILES.