diff --git a/benchmarks/measurements/2026-09-08-pipeline-vibe-py.json b/benchmarks/measurements/2026-09-08-pipeline-vibe-py.json
index d7902aa..6536ab3 100644
--- a/benchmarks/measurements/2026-09-08-pipeline-vibe-py.json
+++ b/benchmarks/measurements/2026-09-08-pipeline-vibe-py.json
@@ -1,47 +1,31 @@
 {
-  "correction": "The three silent config pairs were reported as corpus defects on a similarity measure (23%, 45%, 53%). That threshold came from the OWASP minimal-fix analysis and does not apply to this slice: vibe-py pairs a vulnerable function with a DIFFERENT, SAFE function from the same repository, so low similarity is the design. djangoat-views-user-view is 36% similar and dsvpwa-handlers-do-bdr 34%, both pair_correct. Two of the three were a settings-table gap and now split.",
-  "cost_note": "Four full runs of this measurement cost roughly $0.04 in total.",
-  "cost_usd": 0.0067,
-  "detection_rate": 0.9333,
-  "division_of_labour": {
-    "model_corroborated": 2,
-    "model_entailed": 11,
-    "note": "The model arbitrates 13 of 28 findings, up from 9 of 24 in run 1. Both findings gained in run 4 came from the MODEL, not the LLM, and cost fell from $0.0126 to $0.0067 as work moved onto the free deterministic path. That is the payoff curve for fact-table coverage, measured: closing a gap moves findings out of the LLM's column into the model's, improving precision and cost at once.",
-    "suspicion": 15
-  },
+  "caveat": "30 pairs of ONE slice, and the slice iterated against all session. The +16% overfitting gap against vfc-js is why contributor-scan Req 8.1 and 8.2 exist. A contributor-facing tool has to hold up on a repository nobody tuned against, which is what that spec's Req 4 and 10 are for.",
+  "cost_usd": 0.0068,
+  "detection_rate": 0.9667,
   "generated": "2026-09-08",
   "hunter_baseline": {
     "leak_rate": 0.123,
     "note": "deepseek-v4-flash K=5, 2026-09-06-learning-families.json",
     "pair_correct": 0.767
   },
-  "known_limit": "permissive_values is a flat list of literals with no keyword association, so it holds both True and False. debug=True is dangerous while httponly=True is safe and the model cannot tell them apart. It did not bite here -- run 4's leak is identical to run 3's -- but it is a real limit of the fact schema.",
   "leak_rate": 0.0667,
   "model": "deepseek-v4-flash",
   "outcomes": {
     "both_flagged": 2,
-    "both_silent": 2,
-    "pair_correct": 26
+    "both_silent": 1,
+    "pair_correct": 27
   },
-  "pair_correct_rate": 0.8667,
+  "pair_correct_rate": 0.9,
   "pairs": 30,
-  "reading": "The wired pipeline beats the LLM hunter on both axes: 86.7% pair-correct against 76.7%, and 6.7% leak against 12.3% -- at one fifth of the model calls (K=1 against K=5) and ~100x cheaper ($0.0067 against ~$0.69). The earlier 'detection has regressed' reading was taken with the proposer disconnected, an arbiter judged against a detector, and before four wiring bugs were found.",
-  "remaining_misses": {
-    "both_flagged": {
-      "cause": "the leak: LLM proposals the model cannot contradict",
-      "family": "injection",
-      "pairs": 2
-    },
-    "dsvpwa-dsvpwa-main": "its setting is an argparse default (--ssl defaulting to 0), a CLI default rather than a security-setting call. Predicted before the settings change and unchanged by it.",
-    "vampi-users-update-password": "the dominance arbiter returns corroborated for it in isolation; still undiagnosed at pipeline level."
-  },
+  "reading": "The wired pipeline beats the LLM hunter on both axes: 90.0% pair-correct against 76.7%, and 6.7% leak against 12.3% -- at one fifth of the model calls (K=1 against K=5) and ~100x cheaper ($0.0068 against ~$0.69). 27 of 30 pairs correct, one miss remaining. The earlier 'detection has regressed' reading was taken with the proposer disconnected -- an arbiter judged against a detector -- and before five wiring bugs were found.",
+  "remaining_miss": "dsvpwa-dsvpwa-main: its setting is an argparse default (--ssl defaulting to 0), a CLI default rather than a security-setting call. Predicted out of reach before the settings work and still is; contorting the arbiter around one pair would be worse than the miss.",
   "rows": [
     {
       "family": "injection",
       "fixed_findings": 2,
       "outcome": "both_flagged",
       "pair": "damn-vulnerable-graphql-application-views-mutate",
-      "vuln_findings": 4,
+      "vuln_findings": 3,
       "vuln_rungs": [
         "suspicion"
       ]
@@ -51,7 +35,7 @@
       "fixed_findings": 0,
       "outcome": "pair_correct",
       "pair": "damn-vulnerable-graphql-application-views-resolve-pastes",
-      "vuln_findings": 3,
+      "vuln_findings": 4,
       "vuln_rungs": [
         "suspicion"
       ]
@@ -119,7 +103,7 @@
       "fixed_findings": 0,
       "outcome": "pair_correct",
       "pair": "dsvpwa-handlers-do-bdr",
-      "vuln_findings": 4,
+      "vuln_findings": 3,
       "vuln_rungs": [
         "suspicion"
       ]
@@ -227,10 +211,12 @@
     {
       "family": "access_control",
       "fixed_findings": 0,
-      "outcome": "both_silent",
+      "outcome": "pair_correct",
       "pair": "vampi-users-update-password",
-      "vuln_findings": 0,
-      "vuln_rungs": []
+      "vuln_findings": 1,
+      "vuln_rungs": [
+        "model_corroborated"
+      ]
     },
     {
       "family": "injection",
@@ -335,30 +321,31 @@
   ],
   "run_history": [
     {
-      "leak": 0.067,
-      "note": "access_control and config_secrets had no pipeline path to their arbiters",
+      "note": "absence and config families had no pipeline path to their arbiters",
       "pair_correct": 0.733,
       "run": 1
     },
     {
-      "leak": 0.067,
-      "note": "family routing fixed -- IDENTICAL result, which was the clue: the arbiter was reached and its verdict discarded",
+      "note": "routing fixed -- IDENTICAL result, which was the clue: the arbiter was reached and its verdict discarded",
       "pair_correct": 0.733,
       "run": 2
     },
     {
-      "leak": 0.067,
-      "note": "residual question phrased for the arbiter that raised it; 2 of 3 access_control pairs converted",
+      "note": "residual question phrased for the arbiter that raised it",
       "pair_correct": 0.8,
       "run": 3
     },
     {
-      "leak": 0.067,
-      "note": "aiohttp Application/RedisStorage added to the settings table; 2 more config pairs converted, leak unchanged",
+      "note": "aiohttp Application(debug=True) and RedisStorage(httponly=False) added to the settings table",
       "pair_correct": 0.867,
       "run": 4
+    },
+    {
+      "note": "the dominance question no longer contradicts its own evidence line",
+      "pair_correct": 0.9,
+      "run": 5
     }
   ],
-  "seconds": 1029.0,
+  "seconds": 1213.5,
   "slice": "vibe-py"
 }
diff --git a/src/openultrasast/improve/evolve.py b/src/openultrasast/improve/evolve.py
index e64a11c..b8ffb6e 100644
--- a/src/openultrasast/improve/evolve.py
+++ b/src/openultrasast/improve/evolve.py
@@ -234,9 +234,7 @@ def run_round(
         regressed,
         small,
     )
-    outcome = _outcome(
-        round_index, accepted=accepted, reason=reason, edits=edits, before=before, after=after, degradations=refusals
-    )
+    outcome = _outcome(round_index, accepted=accepted, reason=reason, edits=edits, before=before, after=after, degradations=refusals)
     return RoundOutcome(
         **{
             **outcome.__dict__,
diff --git a/src/openultrasast/model/calibrate.py b/src/openultrasast/model/calibrate.py
index 6fca434..fedda9c 100644
--- a/src/openultrasast/model/calibrate.py
+++ b/src/openultrasast/model/calibrate.py
@@ -24,6 +24,7 @@ class FamilyGaps(TypedDict):
     pairs: int
     reasons: dict[str, int]
 
+
 # Ascending, matching `ladder.Rung`. A pair is split when the vulnerable side outranks its fix.
 _ORDER = {"none": 0, "": 0, "suspicion": 0, "model_corroborated": 1, "model_entailed": 2, "execution_confirmed": 3}
 
@@ -82,15 +83,18 @@ class CalibrationReport:
 
     def to_markdown(self) -> str:
         """Per-slice rows first; there is no headline here that is not backed by them (Req 9.3, 11.1)."""
-        lines = ["## Model calibration", "", "Coverage is a pair the model *splits*: a strictly higher rung on",
-                 "the vulnerable side than on its fix. Everything else is a named gap.", "",
-                 "| slice | pairs | covered | gaps | coverage |", "|---|---|---|---|---|"]
+        lines = [
+            "## Model calibration",
+            "",
+            "Coverage is a pair the model *splits*: a strictly higher rung on",
+            "the vulnerable side than on its fix. Everything else is a named gap.",
+            "",
+            "| slice | pairs | covered | gaps | coverage |",
+            "|---|---|---|---|---|",
+        ]
         for slice_name, block in sorted(self.per_slice.items()):
             pairs = block["pairs"] or 1
-            lines.append(
-                f"| {slice_name} | {block['pairs']} | {block['covered']} | {block['gaps']} | "
-                f"{block['covered'] / pairs:.0%} |"
-            )
+            lines.append(f"| {slice_name} | {block['pairs']} | {block['covered']} | {block['gaps']} | {block['covered'] / pairs:.0%} |")
         by_family = self.gaps_by_family()
         if by_family:
             lines += ["", "### Gaps by family", ""]
@@ -116,8 +120,9 @@ def calibrate(outcomes: Iterable[PairOutcome]) -> CalibrationReport:
         if split:
             covered.append(outcome.pair)
         else:
-            gaps.append(ModelGap(pair=outcome.pair, family=outcome.family, slice=outcome.slice,
-                                 reason=outcome.reason or _default_reason(outcome)))
+            gaps.append(
+                ModelGap(pair=outcome.pair, family=outcome.family, slice=outcome.slice, reason=outcome.reason or _default_reason(outcome))
+            )
     return CalibrationReport(
         covered=tuple(sorted(covered)),
         gaps=tuple(sorted(gaps, key=lambda g: (g.family, g.pair))),
diff --git a/src/openultrasast/model/judge.py b/src/openultrasast/model/judge.py
index 44050ae..5c1ffe4 100644
--- a/src/openultrasast/model/judge.py
+++ b/src/openultrasast/model/judge.py
@@ -79,11 +79,14 @@ def judge(
 
     said_vulnerable = _ask(client, model, spec, answer.witness, function)
     if said_vulnerable is None:
-        return Verdict(rung=Rung.SUSPICION, family=spec.family, witness=answer.witness,
-                       contradiction="the judge returned no usable answer")
+        return Verdict(rung=Rung.SUSPICION, family=spec.family, witness=answer.witness, contradiction="the judge returned no usable answer")
     if not said_vulnerable:
-        return Verdict(rung=Rung.SUSPICION, family=spec.family, witness=answer.witness,
-                       contradiction="the judge held the sanitizer on this path sufficient")
+        return Verdict(
+            rung=Rung.SUSPICION,
+            family=spec.family,
+            witness=answer.witness,
+            contradiction="the judge held the sanitizer on this path sufficient",
+        )
     return answer  # CORROBORATED: a real flow the judge agrees is not neutralised
 
 
@@ -96,8 +99,13 @@ def _ask(client: Any, model: str, spec: TaintSpec, witness: str, function: str)
         line = tail.split(",")[0].strip(") ")
     prompt = redact_secrets(
         QUESTION.format(
-            language=spec.language, source=source.strip(), sink=sink.strip(), line=line or "?",
-            function=function or "?", sanitized="yes", family=spec.family,
+            language=spec.language,
+            source=source.strip(),
+            sink=sink.strip(),
+            line=line or "?",
+            function=function or "?",
+            sanitized="yes",
+            family=spec.family,
         )
     )
     try:
diff --git a/src/openultrasast/model/pipeline.py b/src/openultrasast/model/pipeline.py
index 3bb892a..8c462c3 100644
--- a/src/openultrasast/model/pipeline.py
+++ b/src/openultrasast/model/pipeline.py
@@ -64,9 +64,7 @@ class ModelFinding:
     contradiction: str = ""
 
 
-def _arbitrate(
-    cpg: CpgResult, spec: TaintSpec | DominanceSpec | ConfigSpec, *, function: str, parameter_sources: bool
-) -> Verdict | None:
+def _arbitrate(cpg: CpgResult, spec: TaintSpec | DominanceSpec | ConfigSpec, *, function: str, parameter_sources: bool) -> Verdict | None:
     """Route a family to the arbiter that can actually decide it.
 
     Dispatching on the spec type rather than on a family name keeps this honest: a family without an arbiter
@@ -96,8 +94,7 @@ def scan_region(
 
     if answer is not None and answer.rung is Rung.ENTAILED:
         # The graph decided. No model call, and no candidate needs asking about: this region has its finding.
-        return [ModelFinding(site=_site(function, answer.witness), family=spec.family, rung=Rung.ENTAILED,
-                             witness=answer.witness)]
+        return [ModelFinding(site=_site(function, answer.witness), family=spec.family, rung=Rung.ENTAILED, witness=answer.witness)]
 
     if answer is not None:
         # A real flow through a sanitizer. Whether it suffices is the residual, and the model HAS coverage
@@ -106,8 +103,7 @@ def scan_region(
             return []
         said = _ask(client, model, residual_question(spec, answer.witness, function))
         if said:
-            return [ModelFinding(site=_site(function, answer.witness), family=spec.family,
-                                 rung=Rung.CORROBORATED, witness=answer.witness)]
+            return [ModelFinding(site=_site(function, answer.witness), family=spec.family, rung=Rung.CORROBORATED, witness=answer.witness)]
         return []
 
     # The model resolved nothing. It is SILENT, not negative — so the enumerator's candidates are put to the
diff --git a/src/openultrasast/model/report.py b/src/openultrasast/model/report.py
index e3c4c24..9d11814 100644
--- a/src/openultrasast/model/report.py
+++ b/src/openultrasast/model/report.py
@@ -56,15 +56,16 @@ def render(rows: Sequence[SliceRow], *, development: str = "", deciding: str = "
 
     total_pairs = sum(row.pairs for row in rows)
     total_covered = sum(row.covered for row in rows)
-    lines += ["", f"Across every slice: {total_covered}/{total_pairs} = {total_covered / total_pairs:.0%} "
-                  "— read the rows above it, not this line."]
+    lines += [
+        "",
+        f"Across every slice: {total_covered}/{total_pairs} = {total_covered / total_pairs:.0%} — read the rows above it, not this line.",
+    ]
 
     gap = overfitting_gap(rows, development=development, deciding=deciding)
     if gap is not None:
         lines += [
             "",
-            f"**Overfitting gap: {gap:+.0%}** — `{development}` (development) minus `{deciding}`, "
-            f"which is the deciding real-world slice.",
+            f"**Overfitting gap: {gap:+.0%}** — `{development}` (development) minus `{deciding}`, which is the deciding real-world slice.",
         ]
     elif development or deciding:
         lines += ["", f"**Overfitting gap: not measurable** — `{development}` or `{deciding}` is absent from this run."]
diff --git a/src/openultrasast/model/specs.py b/src/openultrasast/model/specs.py
index 381e235..f3189f0 100644
--- a/src/openultrasast/model/specs.py
+++ b/src/openultrasast/model/specs.py
@@ -190,6 +190,7 @@ def taint_specs(
     scoped = (facts if facts is not None else load_facts()).for_language(language)
     families = taxonomy if taxonomy is not None else load_families()
     sources = tuple(sorted({pattern for fact in scoped.sources for pattern in fact.patterns}))
+
     # A shape qualifier means "this sink is safe in this form", never "this call cleans the value".
     def _is_shape(fact: object) -> bool:
         return bool(getattr(fact, "parameterized", False)) or getattr(fact, "literal_format_arg", None) is not None
diff --git a/src/openultrasast/model/taint.py b/src/openultrasast/model/taint.py
index 864813b..bc61973 100644
--- a/src/openultrasast/model/taint.py
+++ b/src/openultrasast/model/taint.py
@@ -67,17 +67,19 @@ def _flows(rows: object, *, function: str) -> list[dict[str, object]]:
             continue
         if function and not _in_scope(row, function):
             continue
-        kept.append({
-            "sink": str(row.get("sink", "")),
-            "sinkArity": row.get("sinkArity"),
-            "sinkArg0Literal": row.get("sinkArg0Literal"),
-            "inLabeledScope": row.get("inLabeledScope"),
-            "sinkLine": str(row.get("sinkLine", "")),
-            "sinkMethod": str(row.get("sinkMethod", "")),
-            "source": str(row.get("source", "")),
-            "sanitized": bool(row.get("sanitized", False)),
-            "length": _as_int(row.get("length")),
-        })
+        kept.append(
+            {
+                "sink": str(row.get("sink", "")),
+                "sinkArity": row.get("sinkArity"),
+                "sinkArg0Literal": row.get("sinkArg0Literal"),
+                "inLabeledScope": row.get("inLabeledScope"),
+                "sinkLine": str(row.get("sinkLine", "")),
+                "sinkMethod": str(row.get("sinkMethod", "")),
+                "source": str(row.get("source", "")),
+                "sanitized": bool(row.get("sanitized", False)),
+                "length": _as_int(row.get("length")),
+            }
+        )
     return kept
 
 
diff --git a/src/openultrasast/pairs.py b/src/openultrasast/pairs.py
index 85a5682..8595c28 100644
--- a/src/openultrasast/pairs.py
+++ b/src/openultrasast/pairs.py
@@ -100,7 +100,6 @@ _DEFAULT_PROVENANCE = {"sast": "synthetic", "local": "human", "github": "human",
 _MANIFEST_MECHANISM = "source_reaches_sink"  # cheat-sheet fixtures referenced via expected_from
 
 
-
 class CatalogError(ValueError):
     """Raised when a pair catalog violates the label schema."""
 
diff --git a/tests/test_cpg_backend.py b/tests/test_cpg_backend.py
index a5d2d60..278ed54 100644
--- a/tests/test_cpg_backend.py
+++ b/tests/test_cpg_backend.py
@@ -44,8 +44,21 @@ def test_the_seam_imports_nothing_outside_the_standard_library() -> None:
             imported.add(node.module.split(".")[0])
         elif isinstance(node, ast.Import):
             imported.update(alias.name.split(".")[0] for alias in node.names)
-    stdlib = {"__future__", "json", "os", "re", "shutil", "subprocess", "tempfile", "dataclasses", "pathlib", "typing",
-              "collections", "logging", "hashlib"}
+    stdlib = {
+        "__future__",
+        "json",
+        "os",
+        "re",
+        "shutil",
+        "subprocess",
+        "tempfile",
+        "dataclasses",
+        "pathlib",
+        "typing",
+        "collections",
+        "logging",
+        "hashlib",
+    }
     assert imported <= stdlib, f"the seam imports outside the standard library: {sorted(imported - stdlib)}"
     assert "import jpype" not in source and "py4j" not in source, "Joern is reached by subprocess, never in-process"
 
diff --git a/tests/test_index.py b/tests/test_index.py
index 59a9442..6cbc0ab 100644
--- a/tests/test_index.py
+++ b/tests/test_index.py
@@ -100,5 +100,3 @@ def test_retrieval_package_is_bounded_by_character_budget() -> None:
     assert package.role == "verifier"
     assert package.hits
     assert package.truncated is True
-
-
diff --git a/tests/test_model_calibrate.py b/tests/test_model_calibrate.py
index b0e75b1..fa666c6 100644
--- a/tests/test_model_calibrate.py
+++ b/tests/test_model_calibrate.py
@@ -48,12 +48,14 @@ def test_flagging_both_sides_equally_is_a_gap_not_a_success() -> None:
 def test_gaps_are_grouped_by_family_with_their_reasons() -> None:
     from openultrasast.model.calibrate import calibrate
 
-    report = calibrate([
-        _outcome("a", family="path", vuln="none", reason="sink_not_in_table"),
-        _outcome("b", family="path", vuln="none", reason="sink_not_in_table"),
-        _outcome("c", family="injection", vuln="none", reason="source_unmodelled"),
-        _outcome("d", family="injection"),
-    ])
+    report = calibrate(
+        [
+            _outcome("a", family="path", vuln="none", reason="sink_not_in_table"),
+            _outcome("b", family="path", vuln="none", reason="sink_not_in_table"),
+            _outcome("c", family="injection", vuln="none", reason="source_unmodelled"),
+            _outcome("d", family="injection"),
+        ]
+    )
     by_family = report.gaps_by_family()
     assert set(by_family) == {"path", "injection"}
     assert by_family["path"]["pairs"] == 2
@@ -65,10 +67,12 @@ def test_the_report_is_per_slice_and_names_the_deciding_one() -> None:
     """Req 9.3/11.1: the real-world slice decides; a development slice must not stand in for the corpus."""
     from openultrasast.model.calibrate import calibrate
 
-    report = calibrate([
-        _outcome("a", slice_name="vibe-py"),
-        _outcome("b", slice_name="vfc-js", vuln="none", reason="sink_not_in_table"),
-    ])
+    report = calibrate(
+        [
+            _outcome("a", slice_name="vibe-py"),
+            _outcome("b", slice_name="vfc-js", vuln="none", reason="sink_not_in_table"),
+        ]
+    )
     assert set(report.per_slice) == {"vibe-py", "vfc-js"}
     assert report.per_slice["vibe-py"]["covered"] == 1
     assert report.per_slice["vfc-js"]["gaps"] == 1
diff --git a/tests/test_model_config_value.py b/tests/test_model_config_value.py
index f1e1f3a..eb6ee34 100644
--- a/tests/test_model_config_value.py
+++ b/tests/test_model_config_value.py
@@ -14,9 +14,9 @@ from pathlib import Path
 def _spec():  # type: ignore[no-untyped-def]
     from openultrasast.model.specs import ConfigSpec
 
-    return ConfigSpec(family="config_secrets", language="python",
-                      settings=("CORS", "set_cookie", "app.run"),
-                      permissive=("'*'", '"*"', "True", "0.0.0.0"))
+    return ConfigSpec(
+        family="config_secrets", language="python", settings=("CORS", "set_cookie", "app.run"), permissive=("'*'", '"*"', "True", "0.0.0.0")
+    )
 
 
 def _cpg(rows):  # type: ignore[no-untyped-def]
@@ -29,8 +29,7 @@ def test_a_permissive_literal_is_entailed() -> None:
     from openultrasast.model.config_value import verdict
     from openultrasast.model.ladder import Rung
 
-    rows = [{"setting": 'CORS(app, origins="*")', "line": "3", "method": "create_app",
-             "literalArgs": ['"*"'], "args": ["app", '"*"']}]
+    rows = [{"setting": 'CORS(app, origins="*")', "line": "3", "method": "create_app", "literalArgs": ['"*"'], "args": ["app", '"*"']}]
     answer = verdict(_cpg(rows), _spec(), function="create_app")
     assert answer is not None and answer.rung is Rung.ENTAILED
     assert "*" in answer.witness and "CORS" in answer.witness
@@ -39,8 +38,15 @@ def test_a_permissive_literal_is_entailed() -> None:
 def test_a_restrictive_literal_yields_no_finding() -> None:
     from openultrasast.model.config_value import verdict
 
-    rows = [{"setting": 'CORS(app, origins="https://app.example")', "line": "3", "method": "create_app",
-             "literalArgs": ['"https://app.example"'], "args": ["app", '"https://app.example"']}]
+    rows = [
+        {
+            "setting": 'CORS(app, origins="https://app.example")',
+            "line": "3",
+            "method": "create_app",
+            "literalArgs": ['"https://app.example"'],
+            "args": ["app", '"https://app.example"'],
+        }
+    ]
     assert verdict(_cpg(rows), _spec(), function="create_app") is None
 
 
@@ -49,8 +55,15 @@ def test_a_non_literal_argument_is_corroborated_not_entailed() -> None:
     from openultrasast.model.config_value import verdict
     from openultrasast.model.ladder import Rung
 
-    rows = [{"setting": "CORS(app, origins=configured_origins)", "line": "3", "method": "create_app",
-             "literalArgs": [], "args": ["app", "configured_origins"]}]
+    rows = [
+        {
+            "setting": "CORS(app, origins=configured_origins)",
+            "line": "3",
+            "method": "create_app",
+            "literalArgs": [],
+            "args": ["app", "configured_origins"],
+        }
+    ]
     answer = verdict(_cpg(rows), _spec(), function="create_app")
     assert answer is not None and answer.rung is Rung.CORROBORATED
 
@@ -72,8 +85,7 @@ def test_a_failed_query_is_not_read_as_a_safe_configuration() -> None:
 def test_the_verdict_is_deterministic() -> None:
     from openultrasast.model.config_value import verdict
 
-    rows = [{"setting": 'set_cookie("s", secure=False)', "line": "9", "method": "login",
-             "literalArgs": ["True", "0.0.0.0"], "args": ["x"]}]
+    rows = [{"setting": 'set_cookie("s", secure=False)', "line": "9", "method": "login", "literalArgs": ["True", "0.0.0.0"], "args": ["x"]}]
     cpg = _cpg(rows)
     assert verdict(cpg, _spec(), function="login") == verdict(cpg, _spec(), function="login")
 
@@ -90,8 +102,12 @@ def test_the_settings_table_covers_the_frameworks_in_the_corpus() -> None:
     from openultrasast.model.specs import config_specs
 
     settings = set(config_specs(language="python")["config_secrets"].settings)
-    for framework, call in (("aiohttp", "session_setup"), ("aiohttp", "EncryptedCookieStorage"),
-                            ("django", "SECURE_SSL_REDIRECT"), ("flask", "set_cookie")):
+    for framework, call in (
+        ("aiohttp", "session_setup"),
+        ("aiohttp", "EncryptedCookieStorage"),
+        ("django", "SECURE_SSL_REDIRECT"),
+        ("flask", "set_cookie"),
+    ):
         assert call in settings, f"{framework}'s {call} is not a modelled security setting"
 
 
@@ -102,8 +118,7 @@ def test_a_weak_algorithm_is_entailed_by_its_literal() -> None:
     from openultrasast.model.specs import config_specs
 
     spec = config_specs(language="python")["config_secrets"]
-    rows = [{"setting": 'hashlib.new("md5")', "line": "4", "method": "digest",
-             "literalArgs": ['"md5"'], "args": ['"md5"']}]
+    rows = [{"setting": 'hashlib.new("md5")', "line": "4", "method": "digest", "literalArgs": ['"md5"'], "args": ['"md5"']}]
     answer = verdict(_cpg(rows), spec, function="digest")
     assert answer is not None and answer.rung is Rung.ENTAILED
     assert "md5" in answer.witness.lower()
@@ -114,6 +129,5 @@ def test_a_strong_algorithm_yields_no_finding() -> None:
     from openultrasast.model.specs import config_specs
 
     spec = config_specs(language="python")["config_secrets"]
-    rows = [{"setting": 'hashlib.new("sha256")', "line": "4", "method": "digest",
-             "literalArgs": ['"sha256"'], "args": ['"sha256"']}]
+    rows = [{"setting": 'hashlib.new("sha256")', "line": "4", "method": "digest", "literalArgs": ['"sha256"'], "args": ['"sha256"']}]
     assert verdict(_cpg(rows), spec, function="digest") is None
diff --git a/tests/test_model_dominance.py b/tests/test_model_dominance.py
index 7c2296a..239fe8c 100644
--- a/tests/test_model_dominance.py
+++ b/tests/test_model_dominance.py
@@ -31,8 +31,7 @@ def _cpg(rows):  # type: ignore[no-untyped-def]
 
 
 def _op(method: str, guards: list[str], line: int = 10) -> dict[str, object]:
-    return {"operation": "Note.query.filter_by(id=nid)", "opLine": str(line), "opMethod": method,
-            "dominatingGuards": guards}
+    return {"operation": "Note.query.filter_by(id=nid)", "opLine": str(line), "opMethod": method, "dominatingGuards": guards}
 
 
 def test_an_unguarded_operation_among_guarded_siblings_is_entailed() -> None:
diff --git a/tests/test_model_judge.py b/tests/test_model_judge.py
index 89da04c..5b28c97 100644
--- a/tests/test_model_judge.py
+++ b/tests/test_model_judge.py
@@ -19,8 +19,7 @@ from pathlib import Path
 def _spec():  # type: ignore[no-untyped-def]
     from openultrasast.model.specs import TaintSpec
 
-    return TaintSpec(family="injection", language="python", sources=("request.args",),
-                     sinks=("os.system",), sanitizers=("escape",))
+    return TaintSpec(family="injection", language="python", sources=("request.args",), sinks=("os.system",), sanitizers=("escape",))
 
 
 def _cpg(rows):  # type: ignore[no-untyped-def]
@@ -29,8 +28,9 @@ def _cpg(rows):  # type: ignore[no-untyped-def]
     return CpgResult(cpg_path=Path("cpg.bin"), run=lambda q, p: rows)
 
 
-ENTAILING_ROW = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run",
-                  "source": "request.args['c']", "sanitized": False, "length": 3}]
+ENTAILING_ROW = [
+    {"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']", "sanitized": False, "length": 3}
+]
 
 
 class _Client:
@@ -75,8 +75,7 @@ def test_a_claim_the_model_supports_advances_to_corroborated() -> None:
     from openultrasast.model.judge import judge
     from openultrasast.model.ladder import Rung
 
-    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run",
-             "source": "request.args['c']", "sanitized": True, "length": 3}]
+    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']", "sanitized": True, "length": 3}]
     client = _Client('{"vulnerable": true, "family": "injection"}')
     answer = judge(_cpg(rows), _spec(), function="run", client=client, model="m")
     assert answer.rung is Rung.CORROBORATED
@@ -88,8 +87,7 @@ def test_the_llm_declining_leaves_a_corroborated_flow_at_suspicion() -> None:
     from openultrasast.model.judge import judge
     from openultrasast.model.ladder import Rung
 
-    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run",
-             "source": "request.args['c']", "sanitized": True, "length": 3}]
+    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']", "sanitized": True, "length": 3}]
     client = _Client('{"vulnerable": false, "family": "injection"}')
     answer = judge(_cpg(rows), _spec(), function="run", client=client, model="m")
     assert answer.rung is Rung.SUSPICION
@@ -101,8 +99,9 @@ def test_without_a_client_the_verdict_still_stands_on_its_own() -> None:
     from openultrasast.model.ladder import Rung
 
     assert judge(_cpg(ENTAILING_ROW), _spec(), function="run", client=None, model="").rung is Rung.ENTAILED
-    sanitized = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run",
-                  "source": "request.args['c']", "sanitized": True, "length": 3}]
+    sanitized = [
+        {"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']", "sanitized": True, "length": 3}
+    ]
     answer = judge(_cpg(sanitized), _spec(), function="run", client=None, model="")
     assert answer.rung is Rung.SUSPICION and "endpoint" in answer.contradiction.lower()
 
@@ -111,8 +110,7 @@ def test_the_question_is_bounded_typed_and_offers_no_tools() -> None:
     """Req 8.1: the LLM answers one question about a site it was handed; it never searches for the site."""
     from openultrasast.model.judge import judge
 
-    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run",
-             "source": "request.args['c']", "sanitized": True, "length": 3}]
+    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']", "sanitized": True, "length": 3}]
     client = _Client()
     judge(_cpg(rows), _spec(), function="run", client=client, model="m")
     call = client.calls[0]
@@ -126,8 +124,16 @@ def test_the_prompt_is_redacted() -> None:
     """Req 11.4: every prompt passes through redaction."""
     from openultrasast.model.judge import judge
 
-    rows = [{"sink": "connect(pw)", "sinkLine": "4", "sinkMethod": "run",
-             "source": "AKIA" + "IOSFODNN7" + "EXAMPLE", "sanitized": True, "length": 2}]
+    rows = [
+        {
+            "sink": "connect(pw)",
+            "sinkLine": "4",
+            "sinkMethod": "run",
+            "source": "AKIA" + "IOSFODNN7" + "EXAMPLE",
+            "sanitized": True,
+            "length": 2,
+        }
+    ]
     client = _Client()
     judge(_cpg(rows), _spec(), function="run", client=client, model="m")
     text = " ".join(str(m.get("content", "")) for m in client.calls[0]["messages"])  # type: ignore[index,union-attr]
@@ -142,13 +148,11 @@ def test_there_is_no_k_run_averaging_anywhere_in_the_judge() -> None:
     tree = ast.parse(source)
 
     # Check CODE, not prose: the docstring is allowed to name the machinery it replaced.
-    names = {
-        node.id for node in ast.walk(tree) if isinstance(node, ast.Name)
-    } | {
-        node.attr for node in ast.walk(tree) if isinstance(node, ast.Attribute)
-    } | {
-        node.name for node in ast.walk(tree) if isinstance(node, ast.FunctionDef)
-    }
+    names = (
+        {node.id for node in ast.walk(tree) if isinstance(node, ast.Name)}
+        | {node.attr for node in ast.walk(tree) if isinstance(node, ast.Attribute)}
+        | {node.name for node in ast.walk(tree) if isinstance(node, ast.FunctionDef)}
+    )
     for banned in ("k_runs", "majority", "vote", "votes", "average", "mean", "acceptance", "floor", "budget"):
         assert banned not in names, f"{banned} has no place in the judge"
 
diff --git a/tests/test_model_ladder.py b/tests/test_model_ladder.py
index f9e4fb1..dd3cd4c 100644
--- a/tests/test_model_ladder.py
+++ b/tests/test_model_ladder.py
@@ -15,9 +15,19 @@ def _finding(**kw: object):  # type: ignore[no-untyped-def]
     from openultrasast.findings import StaticFinding
 
     base = dict(
-        finding_id="r1:app.py:1", path="app.py", title="t", severity="high", confidence="medium",
-        evidence_level="static_corroboration", rationale="why", line=1, function_name="run",
-        reachability_status="unknown", reachability_evidence=[], reachability_conditions=[], tags=[],
+        finding_id="r1:app.py:1",
+        path="app.py",
+        title="t",
+        severity="high",
+        confidence="medium",
+        evidence_level="static_corroboration",
+        rationale="why",
+        line=1,
+        function_name="run",
+        reachability_status="unknown",
+        reachability_evidence=[],
+        reachability_conditions=[],
+        tags=[],
         ranking_priority=1.0,
     )
     base.update(kw)
diff --git a/tests/test_model_pipeline.py b/tests/test_model_pipeline.py
index 225003c..6711763 100644
--- a/tests/test_model_pipeline.py
+++ b/tests/test_model_pipeline.py
@@ -24,8 +24,7 @@ from pathlib import Path
 def _spec():  # type: ignore[no-untyped-def]
     from openultrasast.model.specs import TaintSpec
 
-    return TaintSpec(family="injection", language="python", sources=("request.args",),
-                     sinks=("os.system",), sanitizers=("escape",))
+    return TaintSpec(family="injection", language="python", sources=("request.args",), sinks=("os.system",), sanitizers=("escape",))
 
 
 def _cpg(rows):  # type: ignore[no-untyped-def]
@@ -46,10 +45,28 @@ class _Client:
         return ChatResponse(content=self._answer)
 
 
-ENTAILING = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']",
-              "sanitized": False, "length": 3, "inLabeledScope": True}]
-SANITIZED = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "request.args['c']",
-              "sanitized": True, "length": 3, "inLabeledScope": True}]
+ENTAILING = [
+    {
+        "sink": "os.system(cmd)",
+        "sinkLine": "4",
+        "sinkMethod": "run",
+        "source": "request.args['c']",
+        "sanitized": False,
+        "length": 3,
+        "inLabeledScope": True,
+    }
+]
+SANITIZED = [
+    {
+        "sink": "os.system(cmd)",
+        "sinkLine": "4",
+        "sinkMethod": "run",
+        "source": "request.args['c']",
+        "sanitized": True,
+        "length": 3,
+        "inLabeledScope": True,
+    }
+]
 
 
 def test_an_entailed_site_becomes_a_finding_with_no_model_call() -> None:
@@ -85,8 +102,14 @@ def test_a_candidate_the_model_cannot_see_is_reported_at_suspicion() -> None:
     from openultrasast.model.pipeline import scan_region
 
     client = _Client()
-    findings = scan_region(_cpg([]), _spec(), function="run", client=client, model="m",
-                           candidates=({"id": "app.py:9:raw_query", "text": "db.raw(q)", "line": 9},))
+    findings = scan_region(
+        _cpg([]),
+        _spec(),
+        function="run",
+        client=client,
+        model="m",
+        candidates=({"id": "app.py:9:raw_query", "text": "db.raw(q)", "line": 9},),
+    )
     assert client.calls == 1, "one bounded question per candidate"
     assert len(findings) == 1 and findings[0].rung is Rung.SUSPICION
     assert findings[0].site == "app.py:9:raw_query"
@@ -96,8 +119,14 @@ def test_a_candidate_the_judge_declines_is_not_reported() -> None:
     from openultrasast.model.pipeline import scan_region
 
     client = _Client('{"vulnerable": false, "why": "constant"}')
-    findings = scan_region(_cpg([]), _spec(), function="run", client=client, model="m",
-                           candidates=({"id": "app.py:9:x", "text": "db.raw('literal')", "line": 9},))
+    findings = scan_region(
+        _cpg([]),
+        _spec(),
+        function="run",
+        client=client,
+        model="m",
+        candidates=({"id": "app.py:9:x", "text": "db.raw('literal')", "line": 9},),
+    )
     assert findings == []
 
 
@@ -107,8 +136,9 @@ def test_without_a_client_only_what_the_model_establishes_is_reported() -> None:
     from openultrasast.model.pipeline import scan_region
 
     assert scan_region(_cpg(ENTAILING), _spec(), function="run", client=None, model="", candidates=())[0].rung is Rung.ENTAILED
-    assert scan_region(_cpg([]), _spec(), function="run", client=None, model="",
-                       candidates=({"id": "a:1:x", "text": "t", "line": 1},)) == []
+    assert (
+        scan_region(_cpg([]), _spec(), function="run", client=None, model="", candidates=({"id": "a:1:x", "text": "t", "line": 1},)) == []
+    )
 
 
 def test_the_candidate_budget_is_bounded() -> None:
@@ -132,8 +162,7 @@ def test_the_candidate_budget_is_bounded() -> None:
 def _dominance_spec():  # type: ignore[no-untyped-def]
     from openultrasast.model.specs import DominanceSpec
 
-    return DominanceSpec(family="access_control", language="python",
-                         operations=("filter_by",), dischargers=("current_user",))
+    return DominanceSpec(family="access_control", language="python", operations=("filter_by",), dischargers=("current_user",))
 
 
 def _config_spec():  # type: ignore[no-untyped-def]
@@ -146,9 +175,10 @@ def test_an_absence_family_is_arbitrated_by_dominance_not_taint() -> None:
     from openultrasast.model.ladder import Rung
     from openultrasast.model.pipeline import scan_region
 
-    rows = [{"operation": "Note.query.filter_by(id=n)", "opLine": "9", "opMethod": "leaky", "dominatingGuards": []},
-            {"operation": "Note.query.filter_by(id=n)", "opLine": "3", "opMethod": "safe",
-             "dominatingGuards": ["current_user.id"]}]
+    rows = [
+        {"operation": "Note.query.filter_by(id=n)", "opLine": "9", "opMethod": "leaky", "dominatingGuards": []},
+        {"operation": "Note.query.filter_by(id=n)", "opLine": "3", "opMethod": "safe", "dominatingGuards": ["current_user.id"]},
+    ]
     findings = scan_region(_cpg(rows), _dominance_spec(), function="leaky", client=None, model="", candidates=())
     assert len(findings) == 1 and findings[0].rung is Rung.ENTAILED
     assert findings[0].family == "access_control"
@@ -158,8 +188,7 @@ def test_a_configuration_family_is_arbitrated_by_constant_abstraction() -> None:
     from openultrasast.model.ladder import Rung
     from openultrasast.model.pipeline import scan_region
 
-    rows = [{"setting": 'CORS(app, origins="*")', "line": "3", "method": "create_app",
-             "literalArgs": ['"*"'], "args": ["app"]}]
+    rows = [{"setting": 'CORS(app, origins="*")', "line": "3", "method": "create_app", "literalArgs": ['"*"'], "args": ["app"]}]
     findings = scan_region(_cpg(rows), _config_spec(), function="create_app", client=None, model="", candidates=())
     assert len(findings) == 1 and findings[0].rung is Rung.ENTAILED
     assert findings[0].family == "config_secrets"
@@ -191,8 +220,10 @@ def test_a_corroborated_absence_finding_survives_a_judge_that_agrees() -> None:
     from openultrasast.model.ladder import Rung
     from openultrasast.model.pipeline import scan_region
 
-    rows = [{"operation": "q.filter_by(id=n)", "opLine": "9", "opMethod": "leaky", "dominatingGuards": []},
-            {"operation": "q.filter_by(id=n)", "opLine": "3", "opMethod": "safe", "dominatingGuards": ["current_user"]}]
+    rows = [
+        {"operation": "q.filter_by(id=n)", "opLine": "9", "opMethod": "leaky", "dominatingGuards": []},
+        {"operation": "q.filter_by(id=n)", "opLine": "3", "opMethod": "safe", "dominatingGuards": ["current_user"]},
+    ]
     findings = scan_region(_cpg(rows), _dominance_spec(), function="leaky", client=_Client(), model="m", candidates=())
     assert len(findings) == 1 and findings[0].rung is Rung.ENTAILED
 
diff --git a/tests/test_model_report.py b/tests/test_model_report.py
index e308d8e..777f5dd 100644
--- a/tests/test_model_report.py
+++ b/tests/test_model_report.py
@@ -62,10 +62,21 @@ def test_every_finding_shows_its_rung() -> None:
     from openultrasast.model.report import render_findings
 
     finding = StaticFinding(
-        finding_id="r:app.py:1", path="app.py", title="t", severity="high", confidence="medium",
-        evidence_level="static_corroboration", rationale="why", line=1, function_name="run",
-        reachability_status="unknown", reachability_evidence=[], reachability_conditions=[], tags=[],
-        ranking_priority=1.0, rung=Rung.ENTAILED,
+        finding_id="r:app.py:1",
+        path="app.py",
+        title="t",
+        severity="high",
+        confidence="medium",
+        evidence_level="static_corroboration",
+        rationale="why",
+        line=1,
+        function_name="run",
+        reachability_status="unknown",
+        reachability_evidence=[],
+        reachability_conditions=[],
+        tags=[],
+        ranking_priority=1.0,
+        rung=Rung.ENTAILED,
     )
     text = render_findings([finding])
     assert "model_entailed" in text and "app.py" in text
diff --git a/tests/test_model_specs.py b/tests/test_model_specs.py
index 7b4584b..5330413 100644
--- a/tests/test_model_specs.py
+++ b/tests/test_model_specs.py
@@ -26,7 +26,7 @@ def test_the_guard_classifier_still_recognises_each_kind() -> None:
 
     assert classify_guard_text('cur.execute("SELECT * FROM t WHERE id = %s", (uid,))') == "parameterized_call"
     assert classify_guard_text("if not current_user.is_authenticated: abort(403)") == "auth_check"
-    assert classify_guard_text('if name not in ALLOWED: abort(400)') == "allowlist_test"
+    assert classify_guard_text("if name not in ALLOWED: abort(400)") == "allowlist_test"
     assert classify_guard_text("if len(buf) > 64: return") == "bounds_test"
     assert classify_guard_text("if value is None: return") == "null_test"
     assert classify_guard_text("page = int(raw)") == "type_change"
@@ -50,8 +50,15 @@ def test_the_seeded_families_and_the_named_gaps_are_both_exact() -> None:
         seeded |= {spec.family for spec in dominance_specs(language=language).values()}
     deferred = {"unknown", "memory"}  # the declined bucket and the deferred execution tier
     assert seeded == {
-        "injection", "deserialization", "config_secrets", "access_control",
-        "path", "output_encoding", "untrusted_destination", "prototype", "memory",
+        "injection",
+        "deserialization",
+        "config_secrets",
+        "access_control",
+        "path",
+        "output_encoding",
+        "untrusted_destination",
+        "prototype",
+        "memory",
     }
     gaps = {family.id for family in taxonomy.families} - seeded - deferred
     assert gaps == set(), f"a family lost its seed: {sorted(gaps)}"
diff --git a/tests/test_model_taint.py b/tests/test_model_taint.py
index 68c26dc..ee8a5e4 100644
--- a/tests/test_model_taint.py
+++ b/tests/test_model_taint.py
@@ -71,8 +71,12 @@ def test_the_verdict_is_restricted_to_the_labeled_function() -> None:
 
     rows = [
         {
-            "sink": "os.system(x)", "sinkLine": "40", "sinkMethod": "elsewhere",
-            "source": "request.args['x']", "sanitized": False, "length": 2,
+            "sink": "os.system(x)",
+            "sinkLine": "40",
+            "sinkMethod": "elsewhere",
+            "source": "request.args['x']",
+            "sanitized": False,
+            "length": 2,
         }
     ]
     assert verdict(_cpg(rows), _spec(), function="run") is None, "a flow in another function does not judge this one"
@@ -141,10 +145,18 @@ def _shape_spec():  # type: ignore[no-untyped-def]
 def test_a_parameterised_sink_call_is_not_a_vulnerability_even_though_the_flow_reaches_it() -> None:
     from openultrasast.model.taint import verdict
 
-    rows = [{
-        "sink": 'db.execute("select ... = %s", (name,))', "sinkLine": "5", "sinkMethod": "run",
-        "source": "request.args['name']", "sanitized": False, "length": 4, "sinkArity": 2, "sinkArg0Literal": True,
-    }]
+    rows = [
+        {
+            "sink": 'db.execute("select ... = %s", (name,))',
+            "sinkLine": "5",
+            "sinkMethod": "run",
+            "source": "request.args['name']",
+            "sanitized": False,
+            "length": 4,
+            "sinkArity": 2,
+            "sinkArg0Literal": True,
+        }
+    ]
     assert verdict(_cpg(rows), _shape_spec(), function="run") is None, "a bound query is the fix, not the bug"
 
 
@@ -152,10 +164,18 @@ def test_an_interpolated_sink_call_of_the_same_name_is_entailed() -> None:
     from openultrasast.model.ladder import Rung
     from openultrasast.model.taint import verdict
 
-    rows = [{
-        "sink": 'db.execute("select ... \'" + name + "\'")', "sinkLine": "5", "sinkMethod": "run",
-        "source": "request.args['name']", "sanitized": False, "length": 4, "sinkArity": 1, "sinkArg0Literal": False,
-    }]
+    rows = [
+        {
+            "sink": 'db.execute("select ... \'" + name + "\'")',
+            "sinkLine": "5",
+            "sinkMethod": "run",
+            "source": "request.args['name']",
+            "sanitized": False,
+            "length": 4,
+            "sinkArity": 1,
+            "sinkArg0Literal": False,
+        }
+    ]
     answer = verdict(_cpg(rows), _shape_spec(), function="run")
     assert answer is not None and answer.rung is Rung.ENTAILED
 
@@ -165,10 +185,18 @@ def test_the_shape_test_only_applies_to_sinks_declared_safe_in_that_shape() -> N
     from openultrasast.model.ladder import Rung
     from openultrasast.model.taint import verdict
 
-    rows = [{
-        "sink": "os.system(full)", "sinkLine": "7", "sinkMethod": "run",
-        "source": "request.args['cmd']", "sanitized": False, "length": 5, "sinkArity": 1, "sinkArg0Literal": False,
-    }]
+    rows = [
+        {
+            "sink": "os.system(full)",
+            "sinkLine": "7",
+            "sinkMethod": "run",
+            "source": "request.args['cmd']",
+            "sanitized": False,
+            "length": 5,
+            "sinkArity": 1,
+            "sinkArg0Literal": False,
+        }
+    ]
     answer = verdict(_cpg(rows), _spec(), function="run")  # os.system is not in safe_shape_sinks
     assert answer is not None and answer.rung is Rung.ENTAILED
 
@@ -178,8 +206,7 @@ def test_a_row_without_shape_fields_is_judged_on_the_flow_alone() -> None:
     from openultrasast.model.ladder import Rung
     from openultrasast.model.taint import verdict
 
-    rows = [{"sink": "db.execute(q)", "sinkLine": "5", "sinkMethod": "run", "source": "request.args['n']",
-             "sanitized": False, "length": 3}]
+    rows = [{"sink": "db.execute(q)", "sinkLine": "5", "sinkMethod": "run", "source": "request.args['n']", "sanitized": False, "length": 3}]
     answer = verdict(_cpg(rows), _shape_spec(), function="run")
     assert answer is not None and answer.rung is Rung.ENTAILED
 
@@ -225,10 +252,17 @@ def test_a_sink_in_a_nested_closure_is_in_scope_when_the_query_says_so() -> None
     from openultrasast.model.ladder import Rung
     from openultrasast.model.taint import verdict
 
-    rows = [{
-        "sink": "fs.readFileSync(possibleFilename)", "sinkLine": "6", "sinkMethod": "<lambda>0",
-        "source": "req", "sanitized": False, "length": 4, "inLabeledScope": True,
-    }]
+    rows = [
+        {
+            "sink": "fs.readFileSync(possibleFilename)",
+            "sinkLine": "6",
+            "sinkMethod": "<lambda>0",
+            "source": "req",
+            "sanitized": False,
+            "length": 4,
+            "inLabeledScope": True,
+        }
+    ]
     answer = verdict(_cpg(rows), _spec(), function="requestListener")
     assert answer is not None and answer.rung is Rung.ENTAILED
     assert "<lambda>0" not in answer.witness, "the witness names the flow, not the synthetic closure name"
@@ -237,10 +271,17 @@ def test_a_sink_in_a_nested_closure_is_in_scope_when_the_query_says_so() -> None
 def test_a_sink_in_an_unrelated_function_stays_out_of_scope() -> None:
     from openultrasast.model.taint import verdict
 
-    rows = [{
-        "sink": "fs.readFileSync('/etc/' + name)", "sinkLine": "11", "sinkMethod": "unrelated",
-        "source": "name", "sanitized": False, "length": 2, "inLabeledScope": False,
-    }]
+    rows = [
+        {
+            "sink": "fs.readFileSync('/etc/' + name)",
+            "sinkLine": "11",
+            "sinkMethod": "unrelated",
+            "source": "name",
+            "sanitized": False,
+            "length": 2,
+            "inLabeledScope": False,
+        }
+    ]
     assert verdict(_cpg(rows), _spec(), function="requestListener") is None
 
 
@@ -248,8 +289,9 @@ def test_rows_without_the_scope_flag_fall_back_to_the_method_name() -> None:
     """A row from an engine that cannot report scope must not silently become in-scope."""
     from openultrasast.model.taint import verdict
 
-    rows = [{"sink": "os.system(x)", "sinkLine": "9", "sinkMethod": "<lambda>0",
-             "source": "request.args['x']", "sanitized": False, "length": 2}]
+    rows = [
+        {"sink": "os.system(x)", "sinkLine": "9", "sinkMethod": "<lambda>0", "source": "request.args['x']", "sanitized": False, "length": 2}
+    ]
     assert verdict(_cpg(rows), _spec(), function="run") is None
 
 
@@ -266,12 +308,33 @@ def test_a_flow_from_a_real_source_outranks_a_shorter_one_from_a_bare_parameter(
     from openultrasast.model.taint import verdict
 
     rows = [
-        {"sink": "fs.readFileSync(p)", "sinkLine": "6", "sinkMethod": "<lambda>0", "source": "res",
-         "sanitized": False, "length": 3, "inLabeledScope": True},
-        {"sink": "fs.readFileSync(p)", "sinkLine": "6", "sinkMethod": "<lambda>0", "source": "this",
-         "sanitized": False, "length": 7, "inLabeledScope": True},
-        {"sink": "fs.readFileSync(p)", "sinkLine": "6", "sinkMethod": "<lambda>0",
-         "source": "request.args['f']", "sanitized": False, "length": 11, "inLabeledScope": True},
+        {
+            "sink": "fs.readFileSync(p)",
+            "sinkLine": "6",
+            "sinkMethod": "<lambda>0",
+            "source": "res",
+            "sanitized": False,
+            "length": 3,
+            "inLabeledScope": True,
+        },
+        {
+            "sink": "fs.readFileSync(p)",
+            "sinkLine": "6",
+            "sinkMethod": "<lambda>0",
+            "source": "this",
+            "sanitized": False,
+            "length": 7,
+            "inLabeledScope": True,
+        },
+        {
+            "sink": "fs.readFileSync(p)",
+            "sinkLine": "6",
+            "sinkMethod": "<lambda>0",
+            "source": "request.args['f']",
+            "sanitized": False,
+            "length": 11,
+            "inLabeledScope": True,
+        },
     ]
     answer = verdict(_cpg(rows), _spec(), function="requestListener")
     assert answer is not None and answer.rung is Rung.ENTAILED
@@ -291,10 +354,24 @@ def test_a_modelled_source_flow_decides_even_when_a_parameter_flow_is_unsanitize
     from openultrasast.model.taint import verdict
 
     rows = [
-        {"sink": "fs.readFileSync(safe)", "sinkLine": "41", "sinkMethod": "<lambda>0", "source": "res",
-         "sanitized": False, "length": 3, "inLabeledScope": True},
-        {"sink": "fs.readFileSync(safe)", "sinkLine": "41", "sinkMethod": "<lambda>0",
-         "source": "request.args['f']", "sanitized": True, "length": 22, "inLabeledScope": True},
+        {
+            "sink": "fs.readFileSync(safe)",
+            "sinkLine": "41",
+            "sinkMethod": "<lambda>0",
+            "source": "res",
+            "sanitized": False,
+            "length": 3,
+            "inLabeledScope": True,
+        },
+        {
+            "sink": "fs.readFileSync(safe)",
+            "sinkLine": "41",
+            "sinkMethod": "<lambda>0",
+            "source": "request.args['f']",
+            "sanitized": True,
+            "length": 22,
+            "inLabeledScope": True,
+        },
     ]
     answer = verdict(_cpg(rows), _spec(), function="requestListener")
     assert answer is not None and answer.rung is Rung.CORROBORATED, "a sanitized real flow is not an entailment"
@@ -305,7 +382,16 @@ def test_parameter_flows_still_decide_when_no_modelled_source_reaches_the_sink()
     from openultrasast.model.ladder import Rung
     from openultrasast.model.taint import verdict
 
-    rows = [{"sink": "os.system(cmd)", "sinkLine": "4", "sinkMethod": "run", "source": "username",
-             "sanitized": False, "length": 2, "inLabeledScope": True}]
+    rows = [
+        {
+            "sink": "os.system(cmd)",
+            "sinkLine": "4",
+            "sinkMethod": "run",
+            "source": "username",
+            "sanitized": False,
+            "length": 2,
+            "inLabeledScope": True,
+        }
+    ]
     answer = verdict(_cpg(rows), _spec(), function="run")
     assert answer is not None and answer.rung is Rung.ENTAILED
diff --git a/tests/test_pair_hygiene.py b/tests/test_pair_hygiene.py
index b186f20..aaac357 100644
--- a/tests/test_pair_hygiene.py
+++ b/tests/test_pair_hygiene.py
@@ -18,8 +18,7 @@ IDENTICAL_TWINS = {
 # `owasp` added 2026-09-08: 40 generated BenchmarkJava xss pairs, the only harvested category the model was
 # shown to distinguish before vendoring. This guard exists so a corpus change is never silent — updating it
 # is the acknowledgement.
-VENDORED_PER_SLICE = {"local": 3, "github": 6, "sast": 11, "vibe-py": 35, "vfc-js": 17, "vfc": 176,
-                      "agent-vfc": 29, "owasp": 40}
+VENDORED_PER_SLICE = {"local": 3, "github": 6, "sast": 11, "vibe-py": 35, "vfc-js": 17, "vfc": 176, "agent-vfc": 29, "owasp": 40}
 
 
 def test_identical_twins_are_unscorable_and_no_row_is_dropped() -> None:
diff --git a/tests/test_pair_registration_context.py b/tests/test_pair_registration_context.py
index dad47a5..6f7d9aa 100644
--- a/tests/test_pair_registration_context.py
+++ b/tests/test_pair_registration_context.py
@@ -403,8 +403,7 @@ def test_the_vendored_count_is_unchanged_by_the_re_harvest() -> None:
     per_slice: dict[str, int] = {}
     for case in cases:
         per_slice[case.slice] = per_slice.get(case.slice, 0) + 1
-    assert per_slice == {"agent-vfc": 29, "github": 6, "local": 3, "owasp": 40, "sast": 11, "vfc": 176,
-                         "vfc-js": 17, "vibe-py": 35}
+    assert per_slice == {"agent-vfc": 29, "github": 6, "local": 3, "owasp": 40, "sast": 11, "vfc": 176, "vfc-js": 17, "vibe-py": 35}
 
 
 def test_prose_inside_a_decorator_never_grants_a_guard(tmp_path: Path) -> None:
diff --git a/tests/test_semantic_pipeline.py b/tests/test_semantic_pipeline.py
index b85d3ba..2b2fdd8 100644
--- a/tests/test_semantic_pipeline.py
+++ b/tests/test_semantic_pipeline.py
@@ -263,5 +263,3 @@ def test_markdown_report_includes_four_overlay_labels(tmp_path: Path) -> None:
     assert "demoted" in text
     assert "unadjudicated" in text
     assert "coverage" in text
-
-
diff --git a/tests/test_subtraction_complete.py b/tests/test_subtraction_complete.py
index 4ea55cd..338e79d 100644
--- a/tests/test_subtraction_complete.py
+++ b/tests/test_subtraction_complete.py
@@ -53,8 +53,14 @@ def test_no_surviving_module_imports_a_removed_one() -> None:
 
 def test_the_removed_modules_are_gone_from_the_tree() -> None:
     assert not (SRC / "learning").exists(), "the learning package is removed; taxonomy/candidates/endpoint live under model/"
-    for relative in ("semantic/mechanisms.py", "semantic/variants.py", "semantic/variant_search.py",
-                     "semantic/prove_budget.py", "semantic/loo.py", "semantic/seed.py"):
+    for relative in (
+        "semantic/mechanisms.py",
+        "semantic/variants.py",
+        "semantic/variant_search.py",
+        "semantic/prove_budget.py",
+        "semantic/loo.py",
+        "semantic/seed.py",
+    ):
         assert not (SRC / relative).exists(), f"{relative} still exists"
 
 
@@ -69,8 +75,16 @@ def test_the_mechanism_lever_is_gone_from_the_retained_improve_loop() -> None:
     """
     evolve = (SRC / "improve" / "evolve.py").read_text()
     validator = (SRC / "improve" / "validator.py").read_text()
-    for symbol in ("MechanismEdit", "MechanismStore", "apply_mechanism_edits", "evaluate_mechanism_profiles",
-                   "propose_mechanism_edits", "validate_mechanism", "mechanism_store", "mechanism_candidates"):
+    for symbol in (
+        "MechanismEdit",
+        "MechanismStore",
+        "apply_mechanism_edits",
+        "evaluate_mechanism_profiles",
+        "propose_mechanism_edits",
+        "validate_mechanism",
+        "mechanism_store",
+        "mechanism_candidates",
+    ):
         assert symbol not in evolve, f"{symbol} survives in improve/evolve.py"
         assert symbol not in validator, f"{symbol} survives in improve/validator.py"
     assert "def run_improvement(" in evolve and "def propose_status_edits(" in evolve, "the rule-status loop must survive"