diff --git a/src/v4/extdeps/cpp_abi.dag b/src/v4/extdeps/cpp_abi.dag
index 371e25e8d8e..dc8733a1d60 100644
--- a/src/v4/extdeps/cpp_abi.dag
+++ b/src/v4/extdeps/cpp_abi.dag
@@ -14,12 +14,8 @@ type CppMachineWidth16
 type CppMachineWidth32
 type CppMachineWidth64
 
-<<<<<<< HEAD
 // 🟢 pretty-much-done — closed ABI integer-width atoms; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-ABI.
-=======
-// 🟢 coproduct dissolution — T29-ABI.
->>>>>>> origin/main
 type CppIntegerWidth
   = CppWidth8 { width: CppMachineWidth8 }
   | CppWidth16 { width: CppMachineWidth16 }
@@ -29,12 +25,8 @@ type CppIntegerWidth
 // 🟢 pretty-much-done — core integer-width bundle includes wchar_t width; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 type CppCoreIntegerWidthModel<char_width, short_width, int_width, long_width, long_long_width, pointer_width, wchar_t_width>
 
-<<<<<<< HEAD
 // 🟢 pretty-much-done — implementation-defined plain-char signedness coordinate; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-ABI.
-=======
-// 🟢 coproduct dissolution — T29-ABI.
->>>>>>> origin/main
 type CppPlainCharSignedness
   = PlainCharSigned { tag: CppPlainCharSigned }
   | PlainCharUnsigned { tag: CppPlainCharUnsigned }
@@ -42,7 +34,6 @@ type CppPlainCharSignedness
 type CppPlainCharSigned
 type CppPlainCharUnsigned
 
-<<<<<<< HEAD
 // 🟢 pretty-much-done — implementation-defined wchar_t signedness coordinate; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-ABI.
 type CppWcharTSignedness
@@ -54,9 +45,6 @@ type CppWcharTUnsigned
 
 // 🟢 pretty-much-done — standard data-model family names; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-ABI.
-=======
-// 🟢 coproduct dissolution — T29-ABI.
->>>>>>> origin/main
 type CppDataModelFamily
   = ILP32 { tag: CppDataModelFamilyILP32 }
   | LP64 { tag: CppDataModelFamilyLP64 }
@@ -68,12 +56,8 @@ type CppDataModelFamilyLP64
 type CppDataModelFamilyLLP64
 type CppDataModelFamilyILP64
 
-<<<<<<< HEAD
 // 🟢 pretty-much-done — ABI model selector; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-ABI.
-=======
-// 🟢 coproduct dissolution — T29-ABI.
->>>>>>> origin/main
 type CppAbiModel
   = ItaniumCxxAbi186 { tag: CppAbiModelItaniumCxxAbi186 }
   | PlatformCxxAbi { tag: CppAbiModelPlatformCxxAbi }
diff --git a/src/v4/extdeps/languages/cpp.dag b/src/v4/extdeps/languages/cpp.dag
index 9689aa145ea..08b3db2051d 100644
--- a/src/v4/extdeps/languages/cpp.dag
+++ b/src/v4/extdeps/languages/cpp.dag
@@ -1,16 +1,9 @@
 // src/v4/extdeps/languages/cpp.dag
-<<<<<<< HEAD
 // Scope: C++ language primitive fact bundles.
 // Owns: CppSignedIntegerSurfaceSpelling, CppUnsignedIntegerSurfaceSpelling, CppPlainCharSurfaceSpelling, CppWcharTSurfaceSpelling, CppFixedUnsignedCodeUnitIntegerSurfaceSpelling, CppSignedIntegerWidthSelection, CppUnsignedIntegerWidthSelection, CppPlainCharWidthSelection, CppWcharTWidthSelection, CppFixedUnsignedCodeUnitIntegerWidthSelection, CppTwosComplement, CppRepresentableResultRequired, CppUnsignedModuloArithmetic, CppScalar, cpp_bool_grounding.
 // Consumes: v4.std.logic.Bool, bool_boolean_algebra; v4.std.algebra.BooleanAlgebra; v4.extdeps.cpp_abi.CppTargetProfile.
 // Status: D2-REV/T29 forward reconcile; C++ integer facts are ABI-width-parametric, bool canonical-B decl-ref grounding stays 🟡 E-6(b) staging; scaffold:T-4-cpp-slice / 🟡 feature:t4-cpp-scalar-ladder bounds this file to carrier scaffolding until generated per-spelling CppTargetProfile selection rows consume it (INVARIANTS P5).
 // Anchor: ISO/IEC 14882:2020 (C++20) [basic.fundamental], [expr.pre]; upstream mirror https://eel.is/c++draft/basic.fundamental.
-=======
-// Scope: C++ language primitive resolver facts.
-// Owns: CppIntegerOverflowDisposition, cpp_bool_grounding.
-// Consumes: v4.std.logic.Bool, bool_boolean_algebra; v4.std.algebra.BooleanAlgebra; CppTargetProfile/CppTargetDataModel via T29-ABI follow-up rows.
-// Status: D2-REV resolver slice; bool canonical-B decl-ref grounding — 🟡 E-6(b) staging (scaffold at decl; ledger modeling-discipline.md Non-bool C++ scalar ladder still 🟡 feature:t4-cpp-scalar-ladder — P4-3208 + T29-ABI.
->>>>>>> origin/main
 
 module v4.extdeps.languages.cpp
 
@@ -27,7 +20,6 @@ type CppSignedIntegerSurfaceSpelling
   | LongInt
   | LongLongInt
 
-<<<<<<< HEAD
 // 🟢 pretty-much-done — closed unsigned integer spelling family; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 // 🟢 coproduct dissolution — DECISIONS.md T29-CPP-SCALAR-FORWARD.
 type CppUnsignedIntegerSurfaceSpelling
@@ -36,12 +28,6 @@ type CppUnsignedIntegerSurfaceSpelling
   | UnsignedInt
   | UnsignedLongInt
   | UnsignedLongLongInt
-=======
-// 🟢 coproduct dissolution — CP-3229-GREEN-TERMINAL.
-type CppIntegerOverflowDisposition
-  = RepresentableResultRequired
-  | UnsignedModuloArithmetic
->>>>>>> origin/main
 
 // 🟢 pretty-much-done — singleton plain-char spelling; testcase: test/claim/manual/cpp_scalar_grounding_anchor.dag.
 type CppPlainCharSurfaceSpelling
diff --git a/src/v4/extdeps/languages/rust.dag b/src/v4/extdeps/languages/rust.dag
index 2391f9d64e8..818be0063d3 100644
--- a/src/v4/extdeps/languages/rust.dag
+++ b/src/v4/extdeps/languages/rust.dag
@@ -80,6 +80,7 @@ type OverflowDisposition<IRCarrier>
   = MustPanicOnOverflow
   | MayPanicOrTwoComplementWrap
 
+// Anchor: https://doc.rust-lang.org/reference/types/boolean.html
 // 🟡 canonical-B decl-ref · E-6(b) bounded-exception · scaffold feature:canonical-b-grounding-consumer · dissolve-on: B1-CANON+zip-fold consume (ledger: B1·T-9/C1 · grounding-worked-examples.md §0)
 data rust_bool_grounding: BooleanAlgebra<Bool> = bool_boolean_algebra
 
diff --git a/src/v4/extdeps/languages/typescript.dag b/src/v4/extdeps/languages/typescript.dag
index 504604dc1c6..21eec7cc68e 100644
--- a/src/v4/extdeps/languages/typescript.dag
+++ b/src/v4/extdeps/languages/typescript.dag
@@ -23,4 +23,5 @@ type TsEcma262PrimitiveOperationSemantics
   | TsNumberBitwiseInt32Uint32Semantics
   | TsBigIntExactUnboundedSemantics
 
+// 🟡 canonical-B decl-ref · E-6(b) bounded-exception · scaffold feature:canonical-b-grounding-consumer · dissolve-on: B1-CANON+zip-fold consume (ledger: B1·T-9/C1 · grounding-worked-examples.md §0)
 data ts_bool_grounding: BooleanAlgebra<Bool> = bool_boolean_algebra
diff --git a/src/v4/test/claim/manual/rust_primitive_grounding_anchor.dag b/src/v4/test/claim/manual/rust_primitive_grounding_anchor.dag
new file mode 100644
index 00000000000..e12b52107d9
--- /dev/null
+++ b/src/v4/test/claim/manual/rust_primitive_grounding_anchor.dag
@@ -0,0 +1,37 @@
+// src/v4/test/claim/manual/rust_primitive_grounding_anchor.dag
+// Scope: Canonical-B per-primitive grounding/coincidence compile exemplar (operator A-vs-B=B).
+// Owns: rust_anchor_* type/data aliases for bool decl-ref, never primitive coincidence, i64 fact-bundle vs std Int64.
+// Consumes: extdeps/languages/rust.dag, std/logic, std/cardinality, std/integer, std/algebra.
+// Status: compile-only groundedness testcase — depth bar for T-4 Phase-3 typescript/python slices.
+// Anchor: docs/modeling/grounding-worked-examples.md §0; INVARIANTS P1 hollow-alias / coincidence bar.
+
+module v4.test.claim.manual.rust_primitive_grounding_anchor
+
+import v4.extdeps.languages.rust {
+  rust_bool_grounding,
+  RustNever,
+  RustIntKind,
+  RustIntWidth,
+  RustScalar
+}
+import v4.std.algebra { BooleanAlgebra }
+import v4.std.cardinality { Never }
+import v4.std.integer { Int64 }
+import v4.std.logic { Bool, bool_boolean_algebra }
+
+// §0 base case — canonical-B decl-ref: language bool → single std authority (not GroundingMap spelling).
+data rust_anchor_bool_grounding: BooleanAlgebra<Bool> = rust_bool_grounding
+data rust_anchor_bool_std_authority: BooleanAlgebra<Bool> = bool_boolean_algebra
+
+// §0 degenerate case — primitive coincidence: Rust `!` is std `Never` (no build-up above the primitive).
+type rust_anchor_never_coincidence = RustNever
+type rust_anchor_never_std = Never
+
+// §0 classifier vs coincidence — `RustScalar.NeverScalar` classifies surface `!`; `RustNever` is the grounding target.
+type rust_anchor_never_scalar_classifier = RustScalar
+
+// §B refinement case — `RustScalar.IntScalar` fact-bundle (kind×width) vs std `Int64` coincidence target (fold-discharge, not alias).
+type rust_anchor_i64_scalar_classifier = RustScalar
+type rust_anchor_i64_kind_axis = RustIntKind
+type rust_anchor_i64_width_axis = RustIntWidth
+type rust_anchor_i64_std_coincidence_target = Int64