fix(rectification): dedupe same-domain probe years and drop unanchored style cards (BUG-559)

Pass asked probe keys into the engine without changing result fingerprints, block nearby years already asked, and require a dated same-domain ledger event before rendering varga_style cards.

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

scripts/rectification/contracts.py

@@ -52,7 +52,7 @@ _EVENT_PROVENANCE_FIELDS = frozenset({
 })
 _REQUEST_FIELDS = frozenset({
     "birth_date", "start_time", "end_time", "lat", "lon", "tz", "events",
-    "ayanamsa", "node_mode",
+    "ayanamsa", "node_mode", "asked_probe_keys",
 }) | _REQUEST_PROVENANCE_FIELDS
 _EVENT_FIELDS = frozenset({"id", "domain", "event_kind", "date_start", "date_end", "precision", "summary"}) | _EVENT_PROVENANCE_FIELDS
 _CLOCK = re.compile(r"(?:[01]\d|2[0-3]):[0-5]\d\Z")
@@ -88,6 +88,7 @@ class RectificationRequest(TypedDict):
     timezone_id: NotRequired[str | None]
     timezone_source: NotRequired[str | None]
     local_time_status: NotRequired[str | None]
+    asked_probe_keys: NotRequired[list[str]]
 
 
 JsonObject = dict[str, Any]
@@ -248,4 +249,21 @@ def normalize_rectification_request(body: Any, *, today: date | None = None) ->
     _copy_nullable_text(body, cleaned_request, "timezone_id", "timezone_id", 120)
     _copy_nullable_text(body, cleaned_request, "timezone_source", "timezone_source", 80)
     _copy_nullable_text(body, cleaned_request, "local_time_status", "local_time_status", 120, _LOCAL_TIME_STATUSES)
+    if "asked_probe_keys" in body:
+        asked = body.get("asked_probe_keys")
+        if not isinstance(asked, list) or len(asked) > 200:
+            raise ValueError("asked_probe_keys must contain between 0 and 200 strings")
+        cleaned_keys: list[str] = []
+        seen: set[str] = set()
+        for index, item in enumerate(asked):
+            if not isinstance(item, str) or not item.strip() or len(item.strip()) > 120:
+                raise ValueError(
+                    f"asked_probe_keys[{index}] must be a non-empty string up to 120 characters"
+                )
+            key = item.strip()
+            if key in seen:
+                continue
+            seen.add(key)
+            cleaned_keys.append(key)
+        cleaned_request["asked_probe_keys"] = cleaned_keys
     return cast(RectificationRequest, cleaned_request)