feat(upstream): merge a6f47abd engine, MCP, and orchestrator

Three-way-merge calculation modules and pl9-export into the product fork while keeping commercial API routes, Raman ayanamsa, and the consultation contract as a keypath superset.

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

scripts/tajika_kernel.py

@@ -27,6 +27,41 @@ def _nearest_aspect(delta: float) -> tuple[float, float]:
     return min(candidates, key=lambda item: abs(item[1]))
 
 
+def evaluate_tajika_pair(
+    left: str,
+    right: str,
+    planets: dict[str, dict[str, Any]],
+) -> dict[str, Any] | None:
+    """Return the shared motion/orb contract for one seven-planet Tajika pair."""
+    if left not in planets or right not in planets:
+        return None
+    left_payload = planets[left]
+    right_payload = planets[right]
+    if not isinstance(left_payload, dict) or not isinstance(right_payload, dict):
+        return None
+    if "longitude" not in left_payload or "longitude" not in right_payload:
+        return None
+    if "speed" not in left_payload or "speed" not in right_payload:
+        return None
+
+    left_lon, right_lon = float(left_payload["longitude"]) % 360, float(right_payload["longitude"]) % 360
+    aspect, residual = _nearest_aspect(right_lon - left_lon)
+    orb = (DEEPTAMSA[left] + DEEPTAMSA[right]) / 2.0
+    if abs(residual) > orb:
+        return None
+    relative_speed = float(right_payload["speed"]) - float(left_payload["speed"])
+    future_residual = _signed_angle(residual + relative_speed)
+    applying = abs(future_residual) < abs(residual)
+    return {
+        "planets": [left, right],
+        "aspect": abs(aspect),
+        "residual": round(residual, 6),
+        "average_deeptamsa": orb,
+        "motion": "applying" if applying else "separating",
+        "within_deeptamsa": True,
+    }
+
+
 def calculate_tajika_interactions(planets: dict[str, dict[str, Any]]) -> dict[str, Any]:
     missing = [planet for planet in SEVEN_PLANETS if planet not in planets or "longitude" not in planets[planet] or "speed" not in planets[planet]]
     if missing:
@@ -40,22 +75,9 @@ def calculate_tajika_interactions(planets: dict[str, dict[str, Any]]) -> dict[st
     interactions = []
     for index, left in enumerate(SEVEN_PLANETS):
         for right in SEVEN_PLANETS[index + 1:]:
-            left_lon, right_lon = float(planets[left]["longitude"]) % 360, float(planets[right]["longitude"]) % 360
-            aspect, residual = _nearest_aspect(right_lon - left_lon)
-            orb = (DEEPTAMSA[left] + DEEPTAMSA[right]) / 2.0
-            if abs(residual) > orb:
-                continue
-            relative_speed = float(planets[right]["speed"]) - float(planets[left]["speed"])
-            future_residual = _signed_angle(residual + relative_speed)
-            applying = abs(future_residual) < abs(residual)
-            interactions.append({
-                "planets": [left, right],
-                "aspect": abs(aspect),
-                "residual": round(residual, 6),
-                "average_deeptamsa": orb,
-                "motion": "applying" if applying else "separating",
-                "within_deeptamsa": True,
-            })
+            pair = evaluate_tajika_pair(left, right, planets)
+            if pair is not None:
+                interactions.append(pair)
     return {
         "scope": "tajika_seven_planet_kernel",
         "status": "partial",
@@ -74,6 +96,12 @@ def calculate_tajika_interactions(planets: dict[str, dict[str, Any]]) -> dict[st
             }
             for row in interactions
         ],
-        "blocked_named_yogas": ["Nakta", "Yamaya", "Manahoo", "Kamboola", "Ithasala/Easarapha adjudication"],
-        "boundary": "Candidate labels are derived only from seven-planet aspect, Deeptamsa and applying/separating evidence. Full named-yoga chains and event verdicts remain blocked pending classic golden cases.",
+        "supported_named_yogas": ["Ithasala", "Easarapha"],
+        "blocked_named_yogas": ["Nakta", "Yamaya", "Manahoo", "Kamboola"],
+        "authority_lane": "scripts/tajika_named_yoga_authority.py",
+        "boundary": (
+            "Seven-planet aspect, Deeptamsa, and applying/separating evidence are "
+            "admissible for governed Ithasala/Easarapha authority. Broader named-yoga "
+            "chains and event verdicts remain blocked pending classic golden cases."
+        ),
     }