fix(rectification): close round A/2 tail gaps in tests, CI, and stale-score reuse

Window_scan assertions now match the public from_sign/to_sign contract, the
staging quick gate runs the rectification Python suite, and compare-candidates
rescores when stored policy lags the live engine identity.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/jyotish_api_server.py

@@ -3019,6 +3019,7 @@ API_COMMAND_MAP = {
     'rectification-v5-score': '/api/rectification/v5/score',
     'rectification-v5-diagnostics': '/api/rectification/v5/diagnostics',
     'rectification-v5-vedastro-validate': '/api/rectification/v5/vedastro-validate',
+    'rectification-v5-versions': '/api/rectification/v5/versions',
     'case-validation': '/api/case_validation',
     'divisional-yoga': '/api/divisional_yoga',
     'deep-varga-avastha': '/api/deep_varga_avastha',
@@ -3058,6 +3059,7 @@ TECHNIQUE_EXAMPLE_ENDPOINTS = {
     '/api/rectification/v5/score',
     '/api/rectification/v5/diagnostics',
     '/api/rectification/v5/vedastro-validate',
+    '/api/rectification/v5/versions',
     '/api/relationship',
     '/api/remedies',
     '/api/sade_sati',
@@ -3293,6 +3295,8 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
                     'async_job_runtime': async_job_runtime_status(),
                     'vedastro': self._vedastro_status(),
                 })
+            elif path == '/api/rectification/v5/versions':
+                self._json(self._compute_rectification_v5_versions())
             elif path == '/api/cities':
                 self._json(list(CITY_DB.keys()))
             elif path == '/api/capability_audit':
@@ -3518,6 +3522,8 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
                 self._json(self._compute_rectification_v5_diagnostics(body))
             elif path == '/api/rectification/v5/vedastro-validate':
                 self._json(self._compute_rectification_v5_vedastro_validate(body))
+            elif path == '/api/rectification/v5/versions':
+                self._json(self._compute_rectification_v5_versions())
             elif path == '/api/dynamic_rectification_opportunities':
                 result = self._compute_dynamic_rectification_opportunities(body)
                 self._json(result)
@@ -9061,6 +9067,14 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
         except ValueError as exc:
             raise BadRequest(str(exc)) from exc
 
+    def _compute_rectification_v5_versions(self, body=None):
+        from scripts.rectification.api_service import engine_scoring_versions
+        return {
+            'success': True,
+            'endpoint': 'rectification_v5_versions',
+            **engine_scoring_versions(),
+        }
+
     def _compute_rectification_v5_candidate_features(self, body):
         from scripts.rectification.api_service import candidate_features
         return {
@@ -10111,6 +10125,7 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
             '/api/rectification/v5/score': self._compute_rectification_v5_score,
             '/api/rectification/v5/diagnostics': self._compute_rectification_v5_diagnostics,
             '/api/rectification/v5/vedastro-validate': self._compute_rectification_v5_vedastro_validate,
+            '/api/rectification/v5/versions': self._compute_rectification_v5_versions,
             '/api/relationship': self._compute_relationship,
             '/api/remedies': self._compute_remedies,
             '/api/sade_sati': self._compute_sade_sati,
@@ -10241,6 +10256,7 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
             '/api/rectification/v5/score': 'Build the V5 event-by-candidate contribution matrix and score candidate ranges',
             '/api/rectification/v5/diagnostics': 'Run V5 stability diagnostics over the server-owned contribution matrix',
             '/api/rectification/v5/vedastro-validate': 'Validate one V5 primary/runner-up pair with safe official VedAstro summaries',
+            '/api/rectification/v5/versions': 'Return live V5 algorithm and decision-policy identity without scoring',
             '/api/relationship': 'Compute relationship and spouse-status evidence',
             '/api/remedies': 'Generate low-risk remedies from doshas/strength/dasha',
             '/api/sade_sati': 'Compute Sade Sati status and phase',
@@ -10324,6 +10340,7 @@ class JyotishAPIHandler(BaseHTTPRequestHandler):
                 'candidate_times': ['05:01', '05:02'],
                 'events': [{'id': '00000000-0000-4000-8000-000000000001', 'domain': 'education', 'event_kind': 'education_milestone', 'date_start': '2016-09-01', 'date_end': '2016-09-30', 'precision': 'month', 'summary': '大学入学'}],
             },
+            '/api/rectification/v5/versions': {},
             '/api/relationship': {'planets': SAMPLE_PLANETS, 'asc_sign': 'Aries', 'dasha_info': {'maha_dasha': 'Venus', 'antar_dasha': 'Jupiter'}},
             '/api/remedies': {'shadbala': {'Sun': {'rupas': 4.1}, 'Moon': {'rupas': 3.8}}, 'doshas': ['manglik'], 'dasha_lord': 'Venus'},
             '/api/sade_sati': {'moon_degree': SAMPLE_PLANETS['Moon']['lon'], 'asc_degree': SAMPLE_ASCENDANT['lon'], 'saturn_degree': SAMPLE_PLANETS['Saturn']['lon']},

scripts/rectification/api_service.py

@@ -152,6 +152,15 @@ def _rectification_report(
     }
 
 
+def engine_scoring_versions() -> dict[str, str]:
+    """Identity fields also returned by `/api/rectification/v5/score`, without scoring."""
+    return {
+        "algorithm_version": ALGORITHM_VERSION,
+        "event_contract_version": EVENT_CONTRACT_VERSION,
+        "decision_policy_version": POLICY_VERSION,
+    }
+
+
 def candidate_features(request: RectificationRequest) -> dict[str, Any]:
     spec = calculation_spec(request)
     spec_hash = sha256(spec)

scripts/run_quality_gate.py

@@ -59,6 +59,10 @@ CORE_PYTEST_TARGETS = [
     # Staging quick profile never runs `tests/` wholesale. A distinguish probe
     # with empty mapping or non-positive gain must fail this gate (BUG-393).
     "tests/test_candidate_discriminator_contract.py",
+    # Auto staging gate is `--profile quick`. `test.yml` / `ci.yml` run the
+    # full pytest tree but are workflow_dispatch only, so a stale window_scan
+    # assertion in this glob stayed red on origin/staging until listed here.
+    "tests/test_rectification_*.py",
 ]
 
 RUNTIME_TRUTH_PYTEST_TARGETS = [