diff --git a/gitnexus/src/core/ingestion/languages/cpp/adl.ts b/gitnexus/src/core/ingestion/languages/cpp/adl.ts
index 112502a74..4c7b034b6 100644
--- a/gitnexus/src/core/ingestion/languages/cpp/adl.ts
+++ b/gitnexus/src/core/ingestion/languages/cpp/adl.ts
@@ -1,5 +1,5 @@
 /**
- * C++ argument-dependent lookup (ADL / Koenig lookup) — V1.
+ * C++ argument-dependent lookup (ADL / Koenig lookup).
  *
  * When ordinary unqualified lookup fails for a free-call site, ADL also
  * considers candidates declared in the **associated namespaces** of the
@@ -13,17 +13,18 @@
  * `using` anything. With V1 ADL: `audit::record` is discovered via
  * `audit::Event`'s associated namespace.
  *
- * ## V1 boundary
+ * ## Current boundary
  *
- * V1 covers ONE associated-entity rule: an argument that's a directly-named
+ * The current implementation covers ONE associated-entity rule: an argument that's a directly-named
  * class type (`audit::Event e`) contributes its **direct enclosing
- * namespace** to the candidate set. Anything else — pointer/reference
+ * namespace** to the candidate set. V2 extends that one step to
+ * pointer-typed class args (`audit::Event* p`, `audit::Event** pp`):
+ * they contribute the pointee class's enclosing namespace too. Reference
  * arguments, function-pointer arguments, template specializations,
- * base-class associated namespaces — is V2 closure work and is
- * deliberately excluded. The `cpp-adl-pointer-arg-boundary` fixture
- * locks the exclusion in CI.
+ * base-class associated namespaces, and the rest of the full closure are
+ * still deliberately excluded.
  *
- * V1 also short-circuits to ADL only when ordinary lookup is empty
+ * The current implementation also short-circuits to ADL only when ordinary lookup is empty
  * (`findCallableBindingInScope` returned undefined). ISO C++ would
  * normally merge ADL candidates with ordinary-lookup candidates and
  * run overload resolution over the union; V1 defers that merge to V2.
@@ -60,16 +61,16 @@ import {
 } from '../../scope-resolution/passes/overload-narrowing.js';
 
 /**
- * Per-argument shape information collected at capture time. ADL only
- * fires for arguments where `simpleClassName !== ''` AND `!isPointer`
- * AND `!isReference` — i.e., directly-named class-type values.
+ * Per-argument shape information collected at capture time. ADL fires for
+ * arguments where `simpleClassName !== ''` AND `!isReference`, including
+ * class pointers whose declarator chain resolves to a named class type.
  */
 export interface CppAdlArgInfo {
   /** Simple class-like type name (last segment of qualified name); empty
    *  for primitives, literals, function pointers, template specs, etc. */
   readonly simpleClassName: string;
-  /** True when the variable's declarator was a `pointer_declarator`. V1
-   *  excludes pointer-typed args (closure rules deferred to V2). */
+  /** True when the variable's declarator contained one or more
+   *  `pointer_declarator` wrappers. */
   readonly isPointer: boolean;
   /** True when the variable's declarator was a `reference_declarator`. */
   readonly isReference: boolean;
@@ -151,8 +152,8 @@ export function populateCppAssociatedNamespaces(parsed: ParsedFile): void {
  *
  * Fires only when:
  *   - the call site is not in `noAdlSites` (parenthesized form), AND
- *   - at least one argument is a directly-named class type (not pointer,
- *     not reference, not literal/primitive).
+ *   - at least one argument resolves to a named class type (value or
+ *     pointer, but not reference, function pointer, literal, or primitive).
  */
 export function pickCppAdlCandidates(
   site: {
@@ -170,11 +171,11 @@ export function pickCppAdlCandidates(
   const args = argInfoBySite.get(key);
   if (args === undefined || args.length === 0) return undefined;
 
-  // Collect associated namespace QNames from every value-class-typed arg.
+  // Collect associated namespace QNames from every participating class-typed arg.
   const associatedNamespaces = new Set<string>();
   for (const arg of args) {
     if (arg.simpleClassName === '') continue;
-    if (arg.isPointer || arg.isReference) continue;
+    if (arg.isReference) continue;
     const classDef = findCppClassDefBySimpleName(arg.simpleClassName, scopes);
     if (classDef === undefined) continue;
     const nsQName = classToNamespaceQualifiedName.get(classDef.nodeId);
diff --git a/gitnexus/src/core/ingestion/languages/cpp/captures.ts b/gitnexus/src/core/ingestion/languages/cpp/captures.ts
index 325742bfb..17b6962aa 100644
--- a/gitnexus/src/core/ingestion/languages/cpp/captures.ts
+++ b/gitnexus/src/core/ingestion/languages/cpp/captures.ts
@@ -720,14 +720,15 @@ function isParenthesizedFunctionCall(callNode: SyntaxNode): boolean {
 
 /**
  * Per-argument ADL classification: walk each argument of a free call and
- * decide whether it's a directly-named class type (V1 ADL fires) or
- * something V1 excludes (pointer, reference, primitive, literal, function
- * pointer, template specialization).
+ * decide whether it resolves to a directly-named class or class-pointer
+ * type (ADL fires) or to an excluded shape such as a reference, function
+ * pointer, primitive, literal, or template specialization.
  *
- * V1 only fires for value class-typed args: `void f(N::S); N::S s; f(s);`.
- * Pointer args (`N::S* p; f(p);`) intentionally return `simpleClassName=''`
- * to lock the V1 boundary — the `cpp-adl-pointer-arg-boundary` fixture
- * regression-tests this.
+ * Class-typed values and class pointers (`N::S`, `N::S*`, `N::S**`) all
+ * preserve the pointee class name for associated-namespace lookup.
+ * Function pointers remain excluded even when their return type names a
+ * class, because the associated entity is the pointed-to function type,
+ * not the return type.
  */
 function inferCppCallAdlArgs(callNode: SyntaxNode): CppAdlArgInfo[] {
   const argList = callNode.childForFieldName('arguments');
@@ -792,15 +793,23 @@ function lookupAdlIdentifierType(identNode: SyntaxNode): CppAdlArgInfo {
 
     // Unwrap declarator chain to find pointer/reference markers and the
     // variable name. `init_declarator > pointer_declarator > identifier`
-    // means pointer-typed; `init_declarator > reference_declarator > ...`
-    // means reference-typed; bare `init_declarator > identifier` is value.
+    // means pointer-typed; repeated pointer wrappers still count as pointer
+    // typed; `init_declarator > reference_declarator > ...` means
+    // reference-typed; bare `init_declarator > identifier` is value.
+    // Function-pointer wrappers (`pointer_declarator > function_declarator`)
+    // must not contribute ADL associated namespaces.
     let isPointer = false;
     let isReference = false;
+    let isFunctionPointer = false;
     let inner: SyntaxNode = declarator;
     let nameText: string | null = null;
     let safety = 16; // bound walk depth defensively
     while (safety-- > 0) {
       if (inner.type === 'pointer_declarator') {
+        if (findFirstDescendantOfType(inner, 'function_declarator') !== null) {
+          isFunctionPointer = true;
+          break;
+        }
         isPointer = true;
         const next = inner.childForFieldName('declarator');
         if (next === null) break;
@@ -828,11 +837,15 @@ function lookupAdlIdentifierType(identNode: SyntaxNode): CppAdlArgInfo {
         inner = next;
         continue;
       }
+      if (inner.type === 'function_declarator') {
+        isFunctionPointer = true;
+        break;
+      }
       // Reached the leaf — usually `identifier`. Take its text.
       nameText = inner.text;
       break;
     }
-    if (nameText !== varName) continue;
+    if (isFunctionPointer || nameText !== varName) continue;
 
     const simpleClassName = extractAdlSimpleTypeName(typeNode);
     return { simpleClassName, isPointer, isReference };
@@ -841,9 +854,9 @@ function lookupAdlIdentifierType(identNode: SyntaxNode): CppAdlArgInfo {
 }
 
 /** Extract the simple class-like type name from a `type:` field node.
- *  Returns '' for primitives, template specializations, function pointers,
- *  and any other shape V1 ADL doesn't support — those args are excluded
- *  from associated-namespace closure. */
+ *  Returns '' for primitives, template specializations, and any other
+ *  unsupported type-only shape. Function pointers are filtered at the
+ *  declarator level in `lookupAdlIdentifierType`. */
 function extractAdlSimpleTypeName(typeNode: SyntaxNode): string {
   if (typeNode.type === 'primitive_type') return '';
   if (typeNode.type === 'sized_type_specifier') return '';
diff --git a/gitnexus/src/core/ingestion/languages/cpp/scope-resolver.ts b/gitnexus/src/core/ingestion/languages/cpp/scope-resolver.ts
index 02aaff3bf..431717d27 100644
--- a/gitnexus/src/core/ingestion/languages/cpp/scope-resolver.ts
+++ b/gitnexus/src/core/ingestion/languages/cpp/scope-resolver.ts
@@ -36,6 +36,10 @@ import {
   resolveCppQualifiedNamespaceMember,
 } from './inline-namespaces.js';
 import { populateCppRangeBindings } from './range-bindings.js';
+import {
+  isOverloadAmbiguousAfterNormalization,
+  narrowOverloadCandidates,
+} from '../../scope-resolution/passes/overload-narrowing.js';
 
 /**
  * C++ `ScopeResolver` registered in `SCOPE_RESOLVERS` and consumed by
@@ -178,6 +182,8 @@ export const cppScopeResolver: ScopeResolver = {
   // for cross-file propagation and compound-receiver chain resolution.
   // cppBindingScopeFor hoists @type-binding.return to Module scope.
   hoistTypeBindingsToModule: true,
+  // Enable receiver-bound explicit-`this` fallback only for C++.
+  resolveThisViaEnclosingClass: true,
   // The `isFileLocalDef` hook on the global free-call fallback names
   // file-local linkage historically, but semantically gates "logically
   // invisible cross-file" defs. C++ extends this to also reject class-
@@ -219,6 +225,33 @@ export const cppScopeResolver: ScopeResolver = {
   // V1 limitation: only direct enclosing-namespace closure for value
   // class-typed args; pointer/reference/template-spec args excluded.
   resolveAdlCandidates: (site, callerParsed, scopes, parsedFiles) => {
+    // `using ns::name;` introduces `name` into ordinary unqualified lookup.
+    // For template-class method bodies, lexical scope walks can miss this
+    // named-using visibility; recover by resolving the imported namespace
+    // member directly when the local call name matches a named using import.
+    const usingNamedHits: SymbolDefinition[] = [];
+    const seenUsing = new Set<string>();
+    for (const imp of callerParsed.parsedImports) {
+      if (imp.kind !== 'named') continue;
+      if (imp.localName !== site.name) continue;
+      const member = resolveCppQualifiedNamespaceMember(
+        imp.targetRaw,
+        imp.importedName,
+        parsedFiles,
+        scopes,
+      );
+      if (member === undefined) continue;
+      if (seenUsing.has(member.nodeId)) continue;
+      seenUsing.add(member.nodeId);
+      usingNamedHits.push(member);
+    }
+    if (usingNamedHits.length > 0) {
+      const narrowed = narrowOverloadCandidates(usingNamedHits, site.arity, site.argumentTypes);
+      if (isOverloadAmbiguousAfterNormalization(narrowed, site.arity)) return 'ambiguous';
+      if (narrowed.length === 1) return narrowed[0];
+      if (narrowed.length > 1) return 'ambiguous';
+    }
+
     const result = pickCppAdlCandidates(site, callerParsed, scopes, parsedFiles);
     if (result === ADL_AMBIGUOUS) return 'ambiguous';
     return result;
diff --git a/gitnexus/src/core/ingestion/scope-resolution/contract/scope-resolver.ts b/gitnexus/src/core/ingestion/scope-resolution/contract/scope-resolver.ts
index d29b6efa8..36856e6a8 100644
--- a/gitnexus/src/core/ingestion/scope-resolution/contract/scope-resolver.ts
+++ b/gitnexus/src/core/ingestion/scope-resolution/contract/scope-resolver.ts
@@ -627,6 +627,18 @@ export interface ScopeResolver {
     parsedFiles: readonly ParsedFile[],
   ) => SymbolDefinition | undefined;
 
+  /**
+   * Enable the receiver-bound Case 0.5 fallback for explicit `this`
+   * receivers (`this->m()` / `this.m()`) that resolves against the
+   * enclosing class + MRO even when no explicit `this` typeBinding is
+   * present in scope.
+   *
+   * Keep disabled for languages where the existing type-binding path
+   * (Case 4) already handles `this` correctly and overload ambiguity
+   * suppression must remain unchanged.
+   */
+  readonly resolveThisViaEnclosingClass?: boolean;
+
   /**
    * Optional post-finalize hook to inject cross-file bindings that
    * aren't modeled via explicit imports. Runs after
diff --git a/gitnexus/src/core/ingestion/scope-resolution/passes/receiver-bound-calls.ts b/gitnexus/src/core/ingestion/scope-resolution/passes/receiver-bound-calls.ts
index 80ff3a200..5aff78261 100644
--- a/gitnexus/src/core/ingestion/scope-resolution/passes/receiver-bound-calls.ts
+++ b/gitnexus/src/core/ingestion/scope-resolution/passes/receiver-bound-calls.ts
@@ -72,6 +72,7 @@ type ReceiverBoundProviderSubset = Pick<
   | 'unwrapCollectionAccessor'
   | 'hoistTypeBindingsToModule'
   | 'resolveQualifiedReceiverMember'
+  | 'resolveThisViaEnclosingClass'
 >;
 
 function normalizeTemplateArgToken(value: string): string {
@@ -321,6 +322,88 @@ export function emitReceiverBoundCalls(
         }
       }
 
+      // ── Case 0.5: implicit `this` receiver ───────────────────────
+      // C++ `this->member()` (and same-shape receivers in other OO
+      // languages) should resolve against the enclosing class + MRO
+      // even when there is no explicit `this` typeBinding in scope.
+      if (provider.resolveThisViaEnclosingClass === true && receiverName === 'this') {
+        const enclosingClass = findEnclosingClassDef(site.inScope, scopes);
+        if (enclosingClass !== undefined) {
+          const chain = [
+            enclosingClass.nodeId,
+            ...scopes.methodDispatch.mroFor(enclosingClass.nodeId),
+          ];
+          let memberDef: SymbolDefinition | undefined;
+          let ambiguous = false;
+          let hiddenByName = false;
+          for (const ownerId of chain) {
+            const methodOverloads = model.methods.lookupAllByOwner(ownerId, memberName);
+            if (methodOverloads.length > 0) {
+              const narrowed = narrowOverloadCandidates(
+                methodOverloads,
+                site.arity,
+                site.argumentTypes,
+              );
+              if (isOverloadAmbiguousAfterNormalization(narrowed, site.arity)) {
+                ambiguous = true;
+                break;
+              }
+              if (narrowed.length === 0) {
+                // C++ name hiding: if the derived class declares `f`, base-class
+                // overloads named `f` are hidden for member lookup
+                // ([basic.lookup.classref]). A non-viable derived overload set
+                // therefore terminates lookup instead of falling through to base.
+                hiddenByName = true;
+                break;
+              }
+              memberDef = narrowed[0] ?? methodOverloads[0];
+              break;
+            }
+
+            // Field/property lookup intentionally runs only after the method
+            // lookup above: in C++ member-name lookup, functions with this
+            // name hide same-named base members; we therefore prefer method
+            // candidates first and only target a field when no methods with
+            // this name exist on the current owner.
+            memberDef = model.fields.lookupFieldByOwner(ownerId, memberName);
+            if (memberDef !== undefined) {
+              break;
+            }
+          }
+          if (ambiguous) {
+            handledSites.add(siteKey);
+            continue;
+          }
+          if (hiddenByName) {
+            handledSites.add(siteKey);
+            continue;
+          }
+          if (memberDef !== undefined) {
+            const reason =
+              site.kind === 'write' || site.kind === 'read'
+                ? site.kind
+                : memberDef.filePath !== parsed.filePath
+                  ? 'import-resolved'
+                  : 'global';
+            const confidence = site.kind === 'write' || site.kind === 'read' ? 1.0 : 0.85;
+            const ok = tryEmitEdge(
+              graph,
+              scopes,
+              nodeLookup,
+              site,
+              memberDef,
+              reason,
+              seen,
+              confidence,
+              collapse,
+            );
+            if (ok) emitted++;
+            handledSites.add(siteKey);
+            continue;
+          }
+        }
+      }
+
       // ── Case 1: namespace receiver ───────────────────────────────
       const targetFiles = namespaceTargets.get(receiverName);
       if (targetFiles !== undefined) {
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/app.cpp b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/app.cpp
new file mode 100644
index 000000000..b9f99d201
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/app.cpp
@@ -0,0 +1,8 @@
+#include "audit.h"
+
+namespace app {
+  void run() {
+    void (*g)();
+    record(g);
+  }
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/audit.h b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/audit.h
new file mode 100644
index 000000000..a0283cabc
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-arg/audit.h
@@ -0,0 +1,5 @@
+#pragma once
+
+namespace audit {
+  void record(void (*g)());
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/app.cpp b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/app.cpp
new file mode 100644
index 000000000..9e6cfd188
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/app.cpp
@@ -0,0 +1,9 @@
+#include "audit.h"
+
+namespace app {
+  void run() {
+    void (*fp)();
+    audit::Event e;
+    record(e);
+  }
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/audit.h b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/audit.h
new file mode 100644
index 000000000..2c9803a3d
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-before-class-arg/audit.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace audit {
+  struct Event {};
+  void record(Event e);
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/app.cpp b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/app.cpp
new file mode 100644
index 000000000..0cf4ee3bb
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/app.cpp
@@ -0,0 +1,8 @@
+#include "audit.h"
+
+namespace app {
+  void run() {
+    audit::Event (*factory)();
+    record(factory);
+  }
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/audit.h b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/audit.h
new file mode 100644
index 000000000..a2438fe5e
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-function-pointer-class-return-arg/audit.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace audit {
+  struct Event {};
+  void record(Event (*factory)());
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/app.cpp b/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/app.cpp
new file mode 100644
index 000000000..33508836e
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/app.cpp
@@ -0,0 +1,8 @@
+#include "audit.h"
+
+namespace app {
+  void run() {
+    audit::Event** pp;
+    record(pp);
+  }
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/audit.h b/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/audit.h
new file mode 100644
index 000000000..2f719362c
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-adl-pointer-to-pointer/audit.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace audit {
+  struct Event {};
+  void record(Event** e);
+}
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/derived.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/derived.h
index ef57810fc..e3ea61977 100644
--- a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/derived.h
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/derived.h
@@ -3,9 +3,12 @@
 #include "base.h"
 #include "helpers.h"
 
+using utils::ns_helper_2;
+
 template<class T>
 struct D : Base<T> {
   void g() {
     utils::ns_helper();
+    ns_helper_2();
   }
 };
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/helpers.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/helpers.h
index 5e291aba6..4bd7a9833 100644
--- a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/helpers.h
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-namespace-free-call-inside-template/helpers.h
@@ -2,4 +2,5 @@
 
 namespace utils {
   void ns_helper();
+  void ns_helper_2();
 }
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/base.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/base.h
new file mode 100644
index 000000000..84bc1a954
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/base.h
@@ -0,0 +1,6 @@
+#pragma once
+
+template<class T>
+struct Base {
+  void f();
+};
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/derived.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/derived.h
new file mode 100644
index 000000000..c7cc1a53b
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-paired/derived.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "base.h"
+
+template<class T>
+struct Derived : Base<T> {
+  void g_unqualified() {
+    f();
+  }
+
+  void g_this() {
+    this->f();
+  }
+};
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/base.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/base.h
new file mode 100644
index 000000000..84bc1a954
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/base.h
@@ -0,0 +1,6 @@
+#pragma once
+
+template<class T>
+struct Base {
+  void f();
+};
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/derived.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/derived.h
new file mode 100644
index 000000000..ad867e820
--- /dev/null
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-name-hiding-arity/derived.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include "base.h"
+
+template<class T>
+struct Derived : Base<T> {
+  void f(int);
+
+  void g() {
+    this->f();
+  }
+
+  void g_ok() {
+    this->f(42);
+  }
+};
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/base.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/base.h
index 1c7084ee6..286f877a1 100644
--- a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/base.h
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/base.h
@@ -3,5 +3,6 @@
 template<class T>
 struct Base {
   void f();
+  void base_method();
   int i;
 };
diff --git a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/derived.h b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/derived.h
index 5c13c1737..9b154a429 100644
--- a/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/derived.h
+++ b/gitnexus/test/fixtures/lang-resolution/cpp-two-phase-this-qualified/derived.h
@@ -7,6 +7,9 @@ struct Derived : Base<T> {
   void g() {
     this->f();
   }
+  void k() {
+    this->base_method();
+  }
   int h() {
     return this->i;
   }
diff --git a/gitnexus/test/integration/resolvers/cpp.test.ts b/gitnexus/test/integration/resolvers/cpp.test.ts
index 25a7f9de7..cd95cfae7 100644
--- a/gitnexus/test/integration/resolvers/cpp.test.ts
+++ b/gitnexus/test/integration/resolvers/cpp.test.ts
@@ -1972,14 +1972,100 @@ describe('C++ two-phase template lookup — dependent base suppression', () => {
   });
 });
 
-// NOTE: positive guards (this->f() resolves, non-dependent-base unqualified
-// f() resolves, namespace-qualified utils::ns_helper() resolves) inside
-// template bodies are documented gaps in C++ template-context resolution
-// independent of U3's dependent-base suppression. The U3 core asserts only
-// the negative behavior (dependent-base members are NOT bound by unqualified
-// calls); the positive cases would require additional `this` type-binding
-// and template-body member-lookup work tracked separately. See plan
-// 2026-05-13-001 follow-ups.
+describe('C++ two-phase template lookup — positive this-qualified calls', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-two-phase-this-qualified'),
+      () => {},
+    );
+  }, 60000);
+
+  it('Derived<T>::g() -> this->f() resolves to f (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const thisCalls = calls.filter((c) => c.source === 'g' && c.target === 'f');
+    expect(thisCalls.length).toBe(1);
+    expect(thisCalls[0].targetFilePath).toContain('base.h');
+  });
+
+  it('Derived<T>::k() -> this->base_method() resolves via EXTENDS chain (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const inheritedCalls = calls.filter((c) => c.source === 'k' && c.target === 'base_method');
+    expect(inheritedCalls.length).toBe(1);
+    expect(inheritedCalls[0].targetFilePath).toContain('base.h');
+  });
+});
+
+describe('C++ two-phase template lookup — paired unqualified + this-qualified in one fixture', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'cpp-two-phase-paired'), () => {});
+  }, 60000);
+
+  it('Derived<T>::g_unqualified() -> f() does NOT bind to Base<T>::f', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const leaks = calls.filter((c) => c.source === 'g_unqualified' && c.target === 'f');
+    expect(leaks.length).toBe(0);
+  });
+
+  it('Derived<T>::g_this() -> this->f() resolves to Base<T>::f (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const resolved = calls.filter((c) => c.source === 'g_this' && c.target === 'f');
+    expect(resolved.length).toBe(1);
+    expect(resolved[0].targetFilePath).toContain('base.h');
+  });
+});
+
+describe('C++ two-phase template lookup — namespace calls inside template body', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-two-phase-namespace-free-call-inside-template'),
+      () => {},
+    );
+  }, 60000);
+
+  it('D<T>::g() -> utils::ns_helper() resolves (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const qualifiedCalls = calls.filter((c) => c.source === 'g' && c.target === 'ns_helper');
+    expect(qualifiedCalls.length).toBe(1);
+    expect(qualifiedCalls[0].targetFilePath).toContain('helpers.h');
+  });
+
+  it('D<T>::g() -> ns_helper_2() resolves after using-declaration (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const usingCalls = calls.filter((c) => c.source === 'g' && c.target === 'ns_helper_2');
+    expect(usingCalls.length).toBe(1);
+    expect(usingCalls[0].targetFilePath).toContain('helpers.h');
+  });
+});
+
+describe('C++ two-phase template lookup — this-> name-hiding arity mismatch', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-two-phase-this-name-hiding-arity'),
+      () => {},
+    );
+  }, 60000);
+
+  it('Derived<T>::g() -> this->f() emits zero CALLS edges when only hidden derived overload is arity-incompatible', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const fCalls = calls.filter((c) => c.source === 'g' && c.target === 'f');
+    expect(fCalls.length).toBe(0);
+  });
+
+  it('Derived<T>::g_ok() -> this->f(42) resolves to derived overload (1 edge)', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const fCalls = calls.filter((c) => c.source === 'g_ok' && c.target === 'f');
+    expect(fCalls.length).toBe(1);
+    expect(fCalls[0].targetFilePath).toContain('derived.h');
+  });
+});
 
 // ---------------------------------------------------------------------------
 // U3 cross-file namespace variant: Base lives in a different file AND
@@ -2057,7 +2143,7 @@ describe('C++ ADL — parenthesized name suppresses ADL', () => {
   });
 });
 
-describe('C++ ADL — pointer-arg V1 boundary', () => {
+describe('C++ ADL — pointer arg unwrapping', () => {
   let result: PipelineResult;
 
   beforeAll(async () => {
@@ -2067,19 +2153,81 @@ describe('C++ ADL — pointer-arg V1 boundary', () => {
     );
   }, 60000);
 
-  it('record(p) where p is audit::Event* emits zero CALLS — V1 ADL excludes pointer args', () => {
+  it('record(p) where p is audit::Event* resolves to audit::record via ADL', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const recordCalls = calls.filter((c) => c.source === 'run' && c.target === 'record');
+    expect(recordCalls.length).toBe(1);
+    expect(recordCalls[0].targetFilePath).toContain('audit.h');
+  });
+});
+
+describe('C++ ADL — function pointer args do not participate', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-adl-function-pointer-arg'),
+      () => {},
+    );
+  }, 60000);
+
+  it('record(g) where g is void (*)() emits zero CALLS edges', () => {
     const calls = getRelationships(result, 'CALLS');
     const recordCalls = calls.filter((c) => c.source === 'run' && c.target === 'record');
-    // Exact .toBe(0): V1 ADL covers only directly-named class-type values
-    // (per plan 2026-05-13-001 R4). Pointer-typed args fall under
-    // associated-entity closure rules deferred to V2. This fixture locks
-    // the boundary in CI so the implementer cannot accidentally extend
-    // V1 to include pointer types. Real ISO C++ would resolve via V2
-    // closure; matching that requires the V2 follow-up plan.
     expect(recordCalls.length).toBe(0);
   });
 });
 
+describe('C++ ADL — preceding function-pointer declarations do not block class args', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-adl-function-pointer-before-class-arg'),
+      () => {},
+    );
+  }, 60000);
+
+  it('record(e) still resolves via ADL when an earlier declaration is void (*)()', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const recordCalls = calls.filter((c) => c.source === 'run' && c.target === 'record');
+    expect(recordCalls.length).toBe(1);
+    expect(recordCalls[0].targetFilePath).toContain('audit.h');
+  });
+});
+
+describe('C++ ADL — class-returning function pointer args do not participate', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(
+      path.join(FIXTURES, 'cpp-adl-function-pointer-class-return-arg'),
+      () => {},
+    );
+  }, 60000);
+
+  it('record(factory) where factory is audit::Event (*)() emits zero CALLS edges', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const recordCalls = calls.filter((c) => c.source === 'run' && c.target === 'record');
+    expect(recordCalls.length).toBe(0);
+  });
+});
+
+describe('C++ ADL — pointer-to-pointer args participate', () => {
+  let result: PipelineResult;
+
+  beforeAll(async () => {
+    result = await runPipelineFromRepo(path.join(FIXTURES, 'cpp-adl-pointer-to-pointer'), () => {});
+  }, 60000);
+
+  it('record(pp) where pp is audit::Event** resolves to audit::record via ADL', () => {
+    const calls = getRelationships(result, 'CALLS');
+    const recordCalls = calls.filter((c) => c.source === 'run' && c.target === 'record');
+    expect(recordCalls.length).toBe(1);
+    expect(recordCalls[0].targetFilePath).toContain('audit.h');
+  });
+});
+
 describe('C++ ADL — int/long-collision overloads suppress via OVERLOAD_AMBIGUOUS', () => {
   let result: PipelineResult;
 
diff --git a/gitnexus/test/integration/resolvers/helpers.ts b/gitnexus/test/integration/resolvers/helpers.ts
index 5149e3e69..396e7905b 100644
--- a/gitnexus/test/integration/resolvers/helpers.ts
+++ b/gitnexus/test/integration/resolvers/helpers.ts
@@ -168,6 +168,15 @@ const LEGACY_RESOLVER_PARITY_EXPECTED_FAILURES: Readonly<Record<string, Readonly
     'emits distinct Class nodes for List<User> and List<Order>',
     'callSave() in each specialization resolves to its own save()',
     'save specialization bodies route to their own sibling method',
+    // PR #1590 follow-up: explicit `this->` resolution in template class
+    // bodies and paired two-phase assertions are scope-resolver-only.
+    // Legacy DAG lacks this receiver-bound template semantics and
+    // dependent-base suppression parity for these shapes.
+    'Derived<T>::g() -> this->f() resolves to f (1 edge)',
+    'Derived<T>::k() -> this->base_method() resolves via EXTENDS chain (1 edge)',
+    'Derived<T>::g_unqualified() -> f() does NOT bind to Base<T>::f',
+    'Derived<T>::g_this() -> this->f() resolves to Base<T>::f (1 edge)',
+    'Derived<T>::g() -> this->f() emits zero CALLS edges when only hidden derived overload is arity-incompatible',
   ]),
 };