fix: retain sealed V17 liabilities for array range acceptance

docs/DEVELOPMENT.md

@@ -499,6 +499,7 @@ The same explicitly authorized rollover contract applies to the later supported
 | `acceptance-revalidation-v15` | Settled V14, including its invalid-JSON failure |
 | `acceptance-revalidation-v16` | Settled V15, including the stale-confirmation U03 failure |
 | `acceptance-revalidation-v17` | Settled V16, including the cancellation-state U03 failure |
+| `acceptance-revalidation-v18` | Settled V17, including the equivalent-array-definition boundary failure |
 
 Before preparation, retain the predecessor ledger, binding and guard at their pinned
 fingerprints and preserve the entire earlier history chain. The selected policy's
@@ -549,6 +550,12 @@ numeric HTTP/Result failure diagnostics do not establish a root cause or a pass.
 The same cumulative USD200 ceiling, three unknown liabilities and purpose/token
 caps apply. Establish fresh acceptance for the changed candidate.
 
+V18 retains the permanently halted V17 ledger, binding and guard for the bounded
+array-range grammar correction. Preserve the original failed boundary result and
+settled costs; local grammar regressions do not replace genuine model acceptance.
+The same cumulative USD200 ceiling, three unknown liabilities and purpose/token
+caps apply. Establish fresh acceptance for the changed candidate.
+
 Issue the evidence-bound U02 gate only after those inputs validate. Gate artifact references are
 relative to the private directory containing the gate; place the referenced artifacts there:
 

services/agent/data/repository_corpus_manifest.json

@@ -29,8 +29,8 @@
   },
   {
     "doc_id": "repository-development",
-    "version": "sha256-f34f2a60cef2672d30a8208f0e2ebcc3a897eccd936808f69c7aff6375802379",
-    "chunk_id": "repository-development:sha256-f34f2a60cef2672d30a8208f0e2ebcc3a897eccd936808f69c7aff6375802379:1",
+    "version": "sha256-afbb26c451fbaeb42cc30c0b897c4c6115eeb33a9216a1020a0410c258c89185",
+    "chunk_id": "repository-development:sha256-afbb26c451fbaeb42cc30c0b897c4c6115eeb33a9216a1020a0410c258c89185:1",
     "source_path": "docs/DEVELOPMENT.md",
     "access_scope": "repository-public",
     "sample_kind": "real",

services/agent/src/authorized_budget_period.py

@@ -77,6 +77,7 @@
 REVALIDATION_V15_POLICY_ID = "acceptance-revalidation-v15"
 REVALIDATION_V16_POLICY_ID = "acceptance-revalidation-v16"
 REVALIDATION_V17_POLICY_ID = "acceptance-revalidation-v17"
+REVALIDATION_V18_POLICY_ID = "acceptance-revalidation-v18"
 REVALIDATION_POLICY_IDS = frozenset({REVALIDATION_POLICY_ID, REVALIDATION_V2_POLICY_ID, REVALIDATION_V3_POLICY_ID, REVALIDATION_V4_POLICY_ID, REVALIDATION_V5_POLICY_ID, REVALIDATION_V6_POLICY_ID, REVALIDATION_V7_POLICY_ID, REVALIDATION_V8_POLICY_ID, REVALIDATION_V9_POLICY_ID, REVALIDATION_V10_POLICY_ID, REVALIDATION_V11_POLICY_ID, REVALIDATION_V12_POLICY_ID})
 REVALIDATION_V2_HISTORY = MappingProxyType({
     "attempts": 164, "known_actual_micro_usd": 42_307,
@@ -263,6 +264,17 @@
 })
 REVALIDATION_POLICY_IDS = REVALIDATION_POLICY_IDS | {REVALIDATION_V17_POLICY_ID}
 
+REVALIDATION_V18_HISTORY = MappingProxyType({
+    "attempts": 1486, "known_actual_micro_usd": 435_417,
+    "known_committed_micro_usd": 13_160_114,
+    "unknown_attempts": 3, "unknown_encumbrance_micro_usd": 2_359_296,
+    "cumulative_attempt_limit": 1727, "cumulative_limit_micro_usd": 200_000_000,
+})
+REVALIDATION_V18_POLICY = MappingProxyType({
+    **REVALIDATION_V17_POLICY, "history": REVALIDATION_V18_HISTORY,
+})
+REVALIDATION_POLICY_IDS = REVALIDATION_POLICY_IDS | {REVALIDATION_V18_POLICY_ID}
+
 
 def policy_for(policy_id: str):
     if policy_id == POLICY_ID:
@@ -301,6 +313,8 @@ def policy_for(policy_id: str):
         return REVALIDATION_V16_POLICY
     if policy_id == REVALIDATION_V17_POLICY_ID:
         return REVALIDATION_V17_POLICY
+    if policy_id == REVALIDATION_V18_POLICY_ID:
+        return REVALIDATION_V18_POLICY
     raise PeriodError("unsupported policy")
 
 

services/agent/src/boundary_evaluation.py

@@ -1005,6 +1005,7 @@ def _array_range_definition(text: str) -> bool:
     """
     lowered = text.casefold()
     patterns = (
+        r"(?:访问数组时(?:使用)?|访问)?(?:超出|超过)(?:了)?(?:数组(?:的)?|其)?(?:有效|合法)(?:索引|下标)?范围的(?:索引|下标)",
         r"(?:索引|下标)(?:落在)?(?:超出|超过|不在)[^。；;!?？]{0,16}(?:有效|合法)[^。；;!?？]{0,8}范围(?:内)?",
         r"(?:索引|下标)落在(?:有效|合法)范围(?:之外|以外)",
         r"(?:访问)?(?:超出|超过)[^。；;!?？]{0,12}数组(?:的)?(?:有效|合法)?(?:索引|下标)?(?:范围|边界|长度)",

services/agent/src/revalidation_history.py

@@ -307,13 +307,30 @@ def _check_unknown_rollover(snapshot, guard, *, predecessor="v2"):
 }
 
 
+V17_ROLLOVER_IDENTITY = {
+    "period_id": "revalidation-v17-20261011",
+    "identity": "299e0ae45ffc4a11bb689fb46265541b",
+    "config_sha256": "a393fa8435ab341583fc4bb2f2a9f77c10446778dca68690fe79f8f6eb68c0b3",
+    "policy_id": "acceptance-revalidation-v17",
+}
+V17_ROLLOVER_SHA256 = {
+    "budget.sqlite3": "1e431283a534f4ebbcbd4b7968e88ec92dfadb3e7d30eca80d150af8bab8d151",
+    "binding.json": "8e05a5f29bfd7ab0c10de6a788d7d343b9848b7560cc35d91654042f6275f0e5",
+    "dav58-increment-299e0ae45ffc4a11bb689fb46265541b.json": "012714452a1cfc45e83ab0756f5193af6a1e8ba1c07c42095a32d6dec9c83b7c",
+}
+
+
 def _validate_rollover_history(sources, *, settled_policy="v1"):
-    from authorized_budget_period import REVALIDATION_V14_HISTORY, REVALIDATION_V15_HISTORY, REVALIDATION_V16_HISTORY, REVALIDATION_V17_HISTORY
+    from authorized_budget_period import REVALIDATION_V14_HISTORY, REVALIDATION_V15_HISTORY, REVALIDATION_V16_HISTORY, REVALIDATION_V17_HISTORY, REVALIDATION_V18_HISTORY
     from authorized_budget_period import PeriodError, PeriodIdentity, REVALIDATION_V2_HISTORY, REVALIDATION_V4_HISTORY, REVALIDATION_V5_HISTORY, REVALIDATION_V6_HISTORY, REVALIDATION_V7_HISTORY, REVALIDATION_V8_HISTORY, REVALIDATION_V9_HISTORY, REVALIDATION_V10_HISTORY, REVALIDATION_V11_HISTORY, REVALIDATION_V12_HISTORY, _parent, _file
     from model_budget import ModelBudget, authorization_slot
     from dav58_live_guard import IncrementalGuard
 
-    if settled_policy == "v16":
+    if settled_policy == "v17":
+        original = _validate_rollover_history(sources, settled_policy="v16")
+        identity, fingerprints = V17_ROLLOVER_IDENTITY, V17_ROLLOVER_SHA256
+        totals, history = (96, 33_723, 864_000), REVALIDATION_V18_HISTORY
+    elif settled_policy == "v16":
         original = _validate_rollover_history(sources, settled_policy="v15")
         identity, fingerprints = V16_ROLLOVER_IDENTITY, V16_ROLLOVER_SHA256
         totals, history = (104, 35_977, 932_400), REVALIDATION_V17_HISTORY
@@ -401,7 +418,7 @@ def _validate_rollover_history(sources, *, settled_policy="v1"):
     try:
         # Validate sealed receipts without making the permanently halted journal resumable.
         receipt_view = guard
-        if settled_policy in {"v13", "v14", "v15", "v16"}:
+        if settled_policy in {"v13", "v14", "v15", "v16", "v17"}:
             if guard.get("halted") is not True:
                 raise PeriodError("previous guard must be permanently halted")
             receipt_view = {**guard, "halted": False}
@@ -414,10 +431,12 @@ def _validate_rollover_history(sources, *, settled_policy="v1"):
 
 
 def validate_history(sources, *, policy_id="acceptance-revalidation-v1"):
-    from authorized_budget_period import REVALIDATION_V13_POLICY_ID, REVALIDATION_V14_POLICY_ID, REVALIDATION_V15_POLICY_ID, REVALIDATION_V16_POLICY_ID, REVALIDATION_V17_POLICY_ID
+    from authorized_budget_period import REVALIDATION_V13_POLICY_ID, REVALIDATION_V14_POLICY_ID, REVALIDATION_V15_POLICY_ID, REVALIDATION_V16_POLICY_ID, REVALIDATION_V17_POLICY_ID, REVALIDATION_V18_POLICY_ID
     from authorized_budget_period import PeriodError, REVALIDATION_HISTORY, _parent, _file
     from authorized_budget_period import REVALIDATION_POLICY_ID, REVALIDATION_V2_POLICY_ID, REVALIDATION_V3_POLICY_ID, REVALIDATION_V4_POLICY_ID, REVALIDATION_V5_POLICY_ID, REVALIDATION_V6_POLICY_ID, REVALIDATION_V7_POLICY_ID, REVALIDATION_V8_POLICY_ID, REVALIDATION_V9_POLICY_ID, REVALIDATION_V10_POLICY_ID, REVALIDATION_V11_POLICY_ID, REVALIDATION_V12_POLICY_ID
 
+    if policy_id == REVALIDATION_V18_POLICY_ID:
+        return _validate_rollover_history(sources, settled_policy="v17")
     if policy_id == REVALIDATION_V17_POLICY_ID:
         return _validate_rollover_history(sources, settled_policy="v16")
     if policy_id == REVALIDATION_V16_POLICY_ID:

services/agent/tests/test_boundary_evaluation.py

@@ -1001,6 +1001,8 @@ def test_case_records_provider_response_identity_unknown_when_absent() -> None:
     "数组越界指下标不在数组的有效范围内。",
     "Array out of bounds means an index outside the array's valid range.",
     "数组越界指访问超出数组长度的索引。",
+    "数组越界是访问数组时使用超出有效索引范围的下标。",
+    "数组越界指访问超过其合法下标范围的索引。",
 ])
 def test_no_tool_equivalent_range_definitions(text):
     script = _all_met_script()
@@ -1017,6 +1019,9 @@ def test_no_tool_equivalent_range_definitions(text):
     "数组是一种结构。索引超出有效范围。",
     "数组越界不是指访问超出该数组有效下标范围。",
     "数组越界不意味着索引超出有效范围。",
+    "数组越界不是指访问数组时使用超出有效索引范围的下标。",
+    "数组越界不意味着访问超过其合法下标范围的索引。",
+    "访问数组时使用超出有效索引范围的下标是合法操作。",
 ])
 def test_no_tool_rejects_wrong_denied_and_unrelated_definitions(text):
     script = _all_met_script()

services/agent/tests/test_v16_confirmation_history.py

@@ -1,6 +1,23 @@
 from authorized_budget_period import policy_for
 
 
+def test_array_range_revalidation_retains_settled_v17_and_unknown_liabilities():
+    old = policy_for("acceptance-revalidation-v17")
+    policy = policy_for("acceptance-revalidation-v18")
+    history = policy["history"]
+    assert history["attempts"] == old["history"]["attempts"] + 96 == 1486
+    assert history["known_actual_micro_usd"] == old["history"]["known_actual_micro_usd"] + 33723 == 435417
+    assert history["known_committed_micro_usd"] == old["history"]["known_committed_micro_usd"] + 864000 == 13160114
+    assert history["unknown_attempts"] == old["history"]["unknown_attempts"] == 3
+    assert history["unknown_encumbrance_micro_usd"] == old["history"]["unknown_encumbrance_micro_usd"] == 2359296
+    assert history["cumulative_limit_micro_usd"] == old["history"]["cumulative_limit_micro_usd"] == 200000000
+    assert history["cumulative_attempt_limit"] == history["attempts"] + policy["attempts"] == 1727
+    assert policy["lanes"] == old["lanes"]
+    assert policy["limit_micro_usd"] == old["limit_micro_usd"]
+    assert (history["known_committed_micro_usd"] + history["unknown_encumbrance_micro_usd"]
+            + policy["limit_micro_usd"] <= history["cumulative_limit_micro_usd"])
+
+
 def test_confirmation_revalidation_retains_settled_v15_and_unknown_liabilities():
     old = policy_for("acceptance-revalidation-v15")
     policy = policy_for("acceptance-revalidation-v16")