diff --git a/loopx/capabilities/decision_context/packets.py b/loopx/capabilities/decision_context/packets.py
index 1bec8af9a8..3b3e07c4b2 100644
--- a/loopx/capabilities/decision_context/packets.py
+++ b/loopx/capabilities/decision_context/packets.py
@@ -15,6 +15,7 @@
     SECRET_LIKE_SURFACE_PATTERN,
     find_public_safe_local_path,
 )
+from ...public_safe_text import COMPACT_TOKEN_PATTERN as _TOKEN_RE
 
 DECISION_EVIDENCE_PACKET_SCHEMA_VERSION = "decision_evidence_packet_v0"
 DECISION_PROPOSAL_SCHEMA_VERSION = "decision_proposal_v0"
@@ -40,7 +41,6 @@
     "no_change",
 }
 
-_TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$")
 # Refs #5136, direction 3: "does this text carry a local path?" is decided once
 # by find_public_safe_local_path; this site keeps its own rejection message and
 # length limit for whatever the owner recognizes.
diff --git a/loopx/capabilities/decision_context/profile.py b/loopx/capabilities/decision_context/profile.py
index 27da5ce34d..ea82eeb87b 100644
--- a/loopx/capabilities/decision_context/profile.py
+++ b/loopx/capabilities/decision_context/profile.py
@@ -3,12 +3,12 @@
 from __future__ import annotations
 
 import json
-import re
 from collections.abc import Collection, Mapping, Sequence
 from dataclasses import dataclass, field
 from pathlib import Path
 from typing import Any
 
+from ...public_safe_text import COMPACT_TOKEN_PATTERN as _TOKEN_RE
 from .providers import decision_source_provider_registered
 from .sources import DecisionSourceSpec
 
@@ -19,7 +19,6 @@
 MAX_DECISION_SOURCES = 64
 MAX_SOURCE_PROVIDER_BINDINGS = 16
 
-_TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$")
 _CONFIG_FIELDS = {
     "schema_version",
     "goal_id",
diff --git a/loopx/capabilities/decision_context/sources.py b/loopx/capabilities/decision_context/sources.py
index 471bfa87b4..3ab0cce955 100644
--- a/loopx/capabilities/decision_context/sources.py
+++ b/loopx/capabilities/decision_context/sources.py
@@ -4,16 +4,16 @@
 
 import hashlib
 import json
-import re
 from collections.abc import Sequence
 from dataclasses import dataclass, field
 from datetime import datetime
 from typing import Protocol
 
+from ...public_safe_text import COMPACT_TOKEN_PATTERN as _TOKEN_RE
+
 DECISION_SOURCE_MANIFEST_SCHEMA_VERSION = "decision_source_manifest_v0"
 DECISION_SOURCE_SCAN_RECEIPT_SCHEMA_VERSION = "decision_source_scan_receipt_v0"
 
-_TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$")
 _SOURCE_KINDS = {
     "artifact",
     "conversation",
diff --git a/loopx/capabilities/material_lifecycle/_validation.py b/loopx/capabilities/material_lifecycle/_validation.py
index 544c7b6348..3c84295479 100644
--- a/loopx/capabilities/material_lifecycle/_validation.py
+++ b/loopx/capabilities/material_lifecycle/_validation.py
@@ -14,8 +14,8 @@
     SECRET_LIKE_SURFACE_PATTERN,
     find_public_safe_local_path,
 )
+from ...public_safe_text import COMPACT_TOKEN_PATTERN as _TOKEN_RE
 
-_TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$")
 # Refs #5136, direction 3: "does this text carry a local path?" is decided once
 # by find_public_safe_local_path; this site keeps its own rejection message and
 # length limit for whatever the owner recognizes.
diff --git a/loopx/capabilities/reward_memory/application.py b/loopx/capabilities/reward_memory/application.py
index cec5912a62..5b028579a9 100644
--- a/loopx/capabilities/reward_memory/application.py
+++ b/loopx/capabilities/reward_memory/application.py
@@ -2,7 +2,6 @@
 
 import hashlib
 import json
-import re
 from collections import Counter
 from collections.abc import Callable, Mapping, Sequence
 from dataclasses import dataclass
@@ -10,6 +9,10 @@
 from typing import Any, Literal, get_args
 
 from ...control_plane.runtime.public_safety import public_safe_compact_text
+from ...public_safe_text import (
+    MODULE_QUALIFIED_SURFACE_PATTERN as SURFACE_RE,
+    PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE,
+)
 from ..context_providers import build_context_provider
 from ..context_providers.base import (
     ContextProvider,
@@ -50,8 +53,6 @@
     "soft_preference",
     "procedural_experience",
 }
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
-SURFACE_RE = re.compile(r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$")
 MAX_QUERY_STEPS = 3
 MAX_RESULTS = 8
 MAX_SETUP_HINT = 500
diff --git a/loopx/capabilities/reward_memory/candidate_review.py b/loopx/capabilities/reward_memory/candidate_review.py
index 0848dbb753..ae7bed7b49 100644
--- a/loopx/capabilities/reward_memory/candidate_review.py
+++ b/loopx/capabilities/reward_memory/candidate_review.py
@@ -2,12 +2,15 @@
 
 import hashlib
 import json
-import re
 from collections.abc import Mapping, Sequence
 from datetime import datetime
 from typing import Any
 
 from ...control_plane.runtime.public_safety import public_safe_compact_text
+from ...public_safe_text import (
+    MODULE_QUALIFIED_SURFACE_PATTERN as SURFACE_RE,
+    PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE,
+)
 from .experience_quality import (
     normalize_procedural_experience,
     procedural_experience_quality,
@@ -34,8 +37,6 @@
     "verified_repository_core_contributor",
     "verified_project_owner_or_operator",
 }
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
-SURFACE_RE = re.compile(r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$")
 MAX_SURFACES = 12
 MAX_ACTION_SCOPES = 12
 
diff --git a/loopx/capabilities/reward_memory/dogfood.py b/loopx/capabilities/reward_memory/dogfood.py
index 2112869120..2bf6f94cc6 100644
--- a/loopx/capabilities/reward_memory/dogfood.py
+++ b/loopx/capabilities/reward_memory/dogfood.py
@@ -2,12 +2,12 @@
 
 import hashlib
 import json
-import re
 from collections.abc import Mapping, Sequence
 from copy import deepcopy
 from typing import Any
 
 from ...control_plane.runtime.public_safety import public_safe_compact_text
+from ...public_safe_text import PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE
 from .application import REWARD_MEMORY_APPLICATION_RECEIPT_SCHEMA_VERSION
 from .candidate_review import (
     REWARD_MEMORY_REVIEW_SCHEMA_VERSION,
@@ -31,7 +31,6 @@
 UTILITY_EVALUATION_STATUSES = {"accepted", "rejected", "not_requested"}
 DOMAIN_FAMILIES = {"issue_fix", "loopx"}
 OPERATOR_ACTIONS = {"edit", "retire"}
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
 MAX_RECEIPTS = 24
 MAX_OPERATOR_CONTROLS = 8
 
diff --git a/loopx/capabilities/reward_memory/experience_quality.py b/loopx/capabilities/reward_memory/experience_quality.py
index 0d51c3f7c4..6b5a6cdaf9 100644
--- a/loopx/capabilities/reward_memory/experience_quality.py
+++ b/loopx/capabilities/reward_memory/experience_quality.py
@@ -2,11 +2,11 @@
 
 import hashlib
 import json
-import re
 from collections.abc import Mapping, Sequence
 from typing import Any
 
 from ...control_plane.runtime.public_safety import public_safe_compact_text
+from ...public_safe_text import PUBLIC_SAFE_REFERENCE_PATTERN as OPAQUE_REF_RE
 
 
 PROCEDURAL_EXPERIENCE_SCHEMA_VERSION = "procedural_experience_contract_v0"
@@ -20,7 +20,6 @@
     "evidence_refs",
 }
 FUTURE_BEHAVIOR_FIELDS = {"trigger", "action", "validation", "stop_condition"}
-OPAQUE_REF_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
 MAX_CONTEXT_ITEMS = 5
 MAX_EVIDENCE_REFS = 8
 
diff --git a/loopx/capabilities/reward_memory/ingestion.py b/loopx/capabilities/reward_memory/ingestion.py
index b8c3b5da31..e03c1c8f23 100644
--- a/loopx/capabilities/reward_memory/ingestion.py
+++ b/loopx/capabilities/reward_memory/ingestion.py
@@ -2,13 +2,16 @@
 
 import hashlib
 import json
-import re
 from collections.abc import Mapping, Sequence
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Any
 
 from ..context_providers import build_context_provider
+from ...public_safe_text import (
+    MODULE_QUALIFIED_SURFACE_PATTERN as SURFACE_RE,
+    PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE,
+)
 from ..context_providers.base import (
     ContextProvider,
     canonical_context_text,
@@ -32,8 +35,6 @@
 REWARD_MEMORY_STANDING_POLICY_SCHEMA_VERSION = "reward_memory_standing_policy_v0"
 REWARD_MEMORY_INGEST_RECEIPT_SCHEMA_VERSION = "reward_memory_ingest_receipt_v0"
 
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
-SURFACE_RE = re.compile(r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$")
 MAX_POLICY_VALUES = 12
 
 _POLICY_FIELDS = {
diff --git a/loopx/capabilities/reward_memory/memory_utility.py b/loopx/capabilities/reward_memory/memory_utility.py
index cbff3a3762..8d02f5cc8c 100644
--- a/loopx/capabilities/reward_memory/memory_utility.py
+++ b/loopx/capabilities/reward_memory/memory_utility.py
@@ -9,6 +9,7 @@
 from pathlib import PurePosixPath, PureWindowsPath
 from typing import Any
 
+from ...public_safe_text import PUBLIC_SAFE_REFERENCE_PATTERN as _EXISTING_TOKEN_RE
 from .application import (
     APPLICATION_OUTCOMES,
     RECALL_MODES,
@@ -31,7 +32,6 @@
     }
 )
 
-_EXISTING_TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
 _OPAQUE_REF_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,199}$")
 _MEMORY_REF_DIGEST_RE = re.compile(r"^(?:[0-9a-f]{16}|sha256:[0-9a-f]{64})$")
 _MAX_MEMORY_DIGESTS = 16
diff --git a/loopx/capabilities/reward_memory/registry.py b/loopx/capabilities/reward_memory/registry.py
index 61bb951235..754ecd4776 100644
--- a/loopx/capabilities/reward_memory/registry.py
+++ b/loopx/capabilities/reward_memory/registry.py
@@ -5,6 +5,10 @@
 from collections.abc import Mapping, Sequence
 from typing import Any
 
+from ...public_safe_text import (
+    MODULE_QUALIFIED_SURFACE_PATTERN as SURFACE_RE,
+    PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE,
+)
 from .architecture import MEMORY_CLASS_IDS
 
 
@@ -16,8 +20,6 @@
 MAX_CORPORA = 50
 MAX_SURFACES = 20
 CORPUS_ID_RE = re.compile(r"^[a-z][a-z0-9_-]{0,63}$")
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
-SURFACE_RE = re.compile(r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$")
 
 READ_AUTHORITIES = {
     "goal_run_scoped",
diff --git a/loopx/capabilities/semantic_preference/contract.py b/loopx/capabilities/semantic_preference/contract.py
index b3f04f0dd8..9b58273bcc 100644
--- a/loopx/capabilities/semantic_preference/contract.py
+++ b/loopx/capabilities/semantic_preference/contract.py
@@ -8,6 +8,10 @@
 from pathlib import Path
 from typing import Any, Mapping, Sequence
 
+from ...public_safe_text import (
+    MODULE_QUALIFIED_SURFACE_PATTERN as SURFACE_RE,
+    PUBLIC_SAFE_REFERENCE_PATTERN as TOKEN_RE,
+)
 from ...extensions.manifest import validate_extension_id
 from ...extensions.runtime import (
     default_extension_state_file,
@@ -26,8 +30,6 @@
 MAINTENANCE_GUIDANCE_SCHEMA = "semantic_preference_maintenance_guidance_v0"
 MAINTENANCE_RECEIPT_SCHEMA = "semantic_preference_maintenance_receipt_v0"
 DOCTOR_SCHEMA = "semantic_preference_provider_doctor_v0"
-SURFACE_RE = re.compile(r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$")
-TOKEN_RE = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$")
 CORPUS_ID_RE = re.compile(r"^[a-z][a-z0-9_-]{0,63}$")
 MAX_PROVIDER_OUTPUT_BYTES = 256_000
 MAX_ITEM_BYTES = 8_000
diff --git a/loopx/public_safe_text.py b/loopx/public_safe_text.py
index db3fbbf998..88b30cef49 100644
--- a/loopx/public_safe_text.py
+++ b/loopx/public_safe_text.py
@@ -147,6 +147,17 @@
     r"\btoken[\"']?\s*[=:]\s*[\"']?[^\s`'\"<>]{12,})"
 )
 
+# Shared identifier shapes stay here with the sibling public-safe text shapes.
+# They express syntax only: each consuming contract retains its own field names,
+# error text, and any additional validation policy.
+PUBLIC_SAFE_REFERENCE_PATTERN = re.compile(
+    r"^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$"
+)
+COMPACT_TOKEN_PATTERN = re.compile(r"^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$")
+MODULE_QUALIFIED_SURFACE_PATTERN = re.compile(
+    r"^[a-z][a-z0-9_-]*(?:\.[a-z][a-z0-9_-]*)+$"
+)
+
 
 # The text-owner rule set (feedback / authority / boundary_authority / the
 # TypeScript Vision checkpoint). Each entry carries an explicit category and a
diff --git a/tests/control_plane/test_compact_identifier_shape_owner.py b/tests/control_plane/test_compact_identifier_shape_owner.py
new file mode 100644
index 0000000000..3f1ab58cd5
--- /dev/null
+++ b/tests/control_plane/test_compact_identifier_shape_owner.py
@@ -0,0 +1,77 @@
+"""Shared compact identifier shapes have one compiled owner."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from loopx.capabilities.decision_context import packets, profile, sources
+from loopx.capabilities.material_lifecycle import _validation
+from loopx.capabilities.reward_memory import (
+    application,
+    candidate_review,
+    dogfood,
+    experience_quality,
+    ingestion,
+    memory_utility,
+    registry,
+)
+from loopx.capabilities.semantic_preference import contract
+from loopx.public_safe_text import (
+    COMPACT_TOKEN_PATTERN,
+    MODULE_QUALIFIED_SURFACE_PATTERN,
+    PUBLIC_SAFE_REFERENCE_PATTERN,
+)
+
+REPOSITORY_ROOT = Path(__file__).resolve().parents[2]
+OWNER_MODULE = "loopx/public_safe_text.py"
+REFERENCE_SHAPE = "^[A-Za-z0-9][A-Za-z0-9._:/#-]{0,199}$"
+COMPACT_SHAPE = "^[A-Za-z0-9][A-Za-z0-9_.:-]{0,127}$"
+SURFACE_SHAPE = "^[a-z][a-z0-9_-]*(?:\\.[a-z][a-z0-9_-]*)+$"
+
+
+SHAPE_CONSUMERS = {
+    REFERENCE_SHAPE: (
+        "loopx/capabilities/reward_memory/application.py",
+        "loopx/capabilities/reward_memory/candidate_review.py",
+        "loopx/capabilities/reward_memory/dogfood.py",
+        "loopx/capabilities/reward_memory/experience_quality.py",
+        "loopx/capabilities/reward_memory/ingestion.py",
+        "loopx/capabilities/reward_memory/memory_utility.py",
+        "loopx/capabilities/reward_memory/registry.py",
+        "loopx/capabilities/semantic_preference/contract.py",
+    ),
+    COMPACT_SHAPE: (
+        "loopx/capabilities/decision_context/packets.py",
+        "loopx/capabilities/decision_context/profile.py",
+        "loopx/capabilities/decision_context/sources.py",
+        "loopx/capabilities/material_lifecycle/_validation.py",
+    ),
+    SURFACE_SHAPE: (
+        "loopx/capabilities/reward_memory/application.py",
+        "loopx/capabilities/reward_memory/candidate_review.py",
+        "loopx/capabilities/reward_memory/ingestion.py",
+        "loopx/capabilities/reward_memory/registry.py",
+        "loopx/capabilities/semantic_preference/contract.py",
+    ),
+}
+
+
+def test_compact_identifier_shapes_are_declared_once() -> None:
+    for shape, consumers in SHAPE_CONSUMERS.items():
+        assert shape in (REPOSITORY_ROOT / OWNER_MODULE).read_text(encoding="utf-8")
+        for consumer in consumers:
+            assert shape not in (REPOSITORY_ROOT / consumer).read_text(encoding="utf-8")
+
+
+def test_reward_memory_and_semantic_preference_share_reference_and_surface_shapes() -> None:
+    for module in (application, candidate_review, ingestion, registry, contract):
+        assert module.TOKEN_RE is PUBLIC_SAFE_REFERENCE_PATTERN
+        assert module.SURFACE_RE is MODULE_QUALIFIED_SURFACE_PATTERN
+    assert dogfood.TOKEN_RE is PUBLIC_SAFE_REFERENCE_PATTERN
+    assert experience_quality.OPAQUE_REF_RE is PUBLIC_SAFE_REFERENCE_PATTERN
+    assert memory_utility._EXISTING_TOKEN_RE is PUBLIC_SAFE_REFERENCE_PATTERN
+
+
+def test_decision_and_material_contracts_share_the_compact_token_shape() -> None:
+    for module in (packets, profile, sources, _validation):
+        assert module._TOKEN_RE is COMPACT_TOKEN_PATTERN