diff --git a/.github/workflows/codeql-scan-dispatch.yml b/.github/workflows/codeql-scan-dispatch.yml
index 45cfcc75fc..b0c4f847f9 100644
--- a/.github/workflows/codeql-scan-dispatch.yml
+++ b/.github/workflows/codeql-scan-dispatch.yml
@@ -263,8 +263,10 @@ jobs:
           fi
 
           if ! [[ "$TARGET_REPOSITORY" =~ ^ContextualWisdomLab/[A-Za-z0-9_.-]+$ ]] ||
+            [[ "${TARGET_REPOSITORY#ContextualWisdomLab/}" == *".."* ]] ||
+            [[ "${TARGET_REPOSITORY#ContextualWisdomLab/}" == *"." ]] ||
             ! [[ "$PR_NUMBER" =~ ^[1-9][0-9]*$ ]]; then
-            printf '::error::PR metadata validation rejected a target outside ContextualWisdomLab or an invalid pull request number. target=%s pr=%s\n' "${TARGET_REPOSITORY:-<empty>}" "${PR_NUMBER:-<empty>}"
+            printf '::error::PR metadata validation rejected a target outside ContextualWisdomLab or an invalid pull request number. target=%s pr=%s\n' "${TARGET_REPOSITORY:-<empty>}" "${PR_NUMBER:-<empty>}" >&2
             exit 1
           fi
           if [ "$dispatch_protocol" = v2 ] &&
diff --git a/requirements-strix-ci-hashes.txt b/requirements-strix-ci-hashes.txt
index 9e705850b5..eb83beda17 100644
--- a/requirements-strix-ci-hashes.txt
+++ b/requirements-strix-ci-hashes.txt
@@ -140,9 +140,9 @@ annotated-types==0.7.0 \
     --hash=sha256:1f02e8b43a8fbbc3f3e0d4f0f4bfc8131bcb4eebe8849b8e5c773f3a1c582a53 \
     --hash=sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89
     # via pydantic
-anyio==4.14.0 \
-    --hash=sha256:b47c1f9ccf73e67021df785332508f99379c68fa7d0684e8e3492cb1d4b23f89 \
-    --hash=sha256:dd9b7a2a9799ed6552fde617b2c5df02b7fdd7d88392fc48101e51bae46164d9
+anyio==4.14.2 \
+    --hash=sha256:9f505dda5ac9f0c8309b5e8bd445a8c2bf7246f3ce950121e45ea15bc41d1494 \
+    --hash=sha256:cfa139f3ed1a23ee8f88a145ddb5ac7605b8bbfd8592baacd7ce3d8bb4313c7f
     # via
     #   google-genai
     #   gql
diff --git a/tests/test_codeql_scan_dispatch_repository_identity_contract.py b/tests/test_codeql_scan_dispatch_repository_identity_contract.py
new file mode 100644
index 0000000000..b755817eb8
--- /dev/null
+++ b/tests/test_codeql_scan_dispatch_repository_identity_contract.py
@@ -0,0 +1,59 @@
+"""Repository-identity admission contract for the CodeQL dispatch handler."""
+
+from __future__ import annotations
+
+import pytest
+
+from tests.test_codeql_scan_dispatch_workflow_contract import (
+    _matching_pull_request,
+    _run_validate_step,
+)
+
+
+def _matching_pull_request_for(repository: str) -> dict:
+    """Bind the shared live-PR fixture to one target repository identity."""
+    pull_request = _matching_pull_request()
+    pull_request["base"]["repo"]["full_name"] = repository
+    pull_request["head"]["repo"]["full_name"] = repository
+    return pull_request
+
+
+@pytest.mark.parametrize(
+    "repository",
+    (
+        "ContextualWisdomLab/repository.",
+        "ContextualWisdomLab/repo..name",
+        "ContextualWisdomLab/..",
+        "ContextualWisdomLab/.",
+    ),
+)
+def test_codeql_scan_dispatch_rejects_noncanonical_target_repository(
+    tmp_path, repository: str
+) -> None:
+    """Reject non-canonical target slugs in the real validation shell block."""
+    result = _run_validate_step(
+        tmp_path,
+        {"TARGET_REPOSITORY": repository},
+        _matching_pull_request_for(repository),
+    )
+    assert result.returncode != 0
+    assert "PR metadata validation rejected a target outside ContextualWisdomLab" in result.stderr
+
+
+@pytest.mark.parametrize(
+    "repository",
+    (
+        "ContextualWisdomLab/pg-llm-batch",
+        "ContextualWisdomLab/repository.name-1",
+    ),
+)
+def test_codeql_scan_dispatch_keeps_valid_target_repository(
+    tmp_path, repository: str
+) -> None:
+    """Preserve valid punctuation-bearing organization-local repository slugs."""
+    result = _run_validate_step(
+        tmp_path,
+        {"TARGET_REPOSITORY": repository},
+        _matching_pull_request_for(repository),
+    )
+    assert result.returncode == 0, result.stderr
diff --git a/tests/test_codeql_scan_dispatch_workflow_contract.py b/tests/test_codeql_scan_dispatch_workflow_contract.py
index 3769f48314..6c1f91a9d7 100644
--- a/tests/test_codeql_scan_dispatch_workflow_contract.py
+++ b/tests/test_codeql_scan_dispatch_workflow_contract.py
@@ -724,7 +724,7 @@ def test_codeql_scan_dispatch_validate_step_rejects_non_org_target(tmp_path):
     )
 
     assert result.returncode == 1
-    assert "target outside ContextualWisdomLab" in result.stdout
+    assert "target outside ContextualWisdomLab" in result.stderr
 
 
 def test_codeql_scan_dispatch_validate_step_rejects_malformed_matrix(tmp_path):