diff --git a/recognization/code/engine.py b/recognization/code/engine.py
index 959c7b8..932060f 100644
--- a/recognization/code/engine.py
+++ b/recognization/code/engine.py
@@ -566,7 +566,12 @@ class RecognitionEngine:
         return self._lane
 
     def score_crop(self, crop: Any, method: Optional[str] = None) -> Dict[str, float]:
-        """Score one crop, keyed by canonical SKU.
+        """Score one crop, keyed by canonical SKU, in the lane's rank order.
+
+        The insertion order is the ranking and callers rely on it: the local
+        lane's order comes from its rank key while its value is the margin over
+        the runner-up, so re-sorting by value names a different SKU than the
+        lane chose. `list(scores.items())` is therefore the ranked sequence.
 
         Every backend groups by SKU before returning. Scoring each reference
         view separately is what made the demo's default catalog report 22-29 of
@@ -680,13 +685,20 @@ class RecognitionEngine:
                 # operational failure must stay distinguishable from absence.
                 decision = decide_identity({}, method=method, scale=self.identity_scale)
             decision = identity_payload(decision)
-            results.append(
-                {
-                    "detection_id": int(box["id"]),
-                    "box": list(box["box"]),
-                    "identity": decision,
-                }
-            )
+            row = {
+                "detection_id": int(box["id"]),
+                "box": list(box["box"]),
+                "identity": decision,
+            }
+            # The catalog row travels with an accepted answer. Without it the
+            # phone gets a bare SKU id and has to look the name and price up
+            # itself, which is what left 41 of 41 accepted still-image answers
+            # without a product row.
+            if decision.get("state") == STATE_RECOGNIZED:
+                product = self.product(decision.get("sku_id"))
+                if product is not None:
+                    row["product"] = product
+            results.append(row)
         return results
 
     def inspect(self, image: Any, box: Sequence[int], method: Optional[str] = None) -> Dict[str, Any]:
@@ -900,16 +912,18 @@ class RecognitionEngine:
         identities: List[Dict[str, Any]] = []
         if classify and boxes:
             identities = self.classify_boxes(image, boxes, method=method)
-        identities_by_id = {row["detection_id"]: row["identity"] for row in identities}
+        identities_by_id = {row["detection_id"]: row for row in identities}
         for box in boxes:
-            detections.append(
-                {
-                    "id": box["id"],
-                    "box": box["box"],
-                    "confidence": box["confidence"],
-                    "identity": identities_by_id.get(box["id"], identity_payload(None)),
-                }
-            )
+            row = identities_by_id.get(box["id"])
+            detection = {
+                "id": box["id"],
+                "box": box["box"],
+                "confidence": box["confidence"],
+                "identity": (row or {}).get("identity") or identity_payload(None),
+            }
+            if (row or {}).get("product") is not None:
+                detection["product"] = row["product"]
+            detections.append(detection)
         slots = self.empty_slots(image.shape, boxes) if with_empty_slots else []
         classified_at = time.perf_counter()
         summary = self.summarize(detections, slots)
diff --git a/recognization/code/eval_identity.py b/recognization/code/eval_identity.py
index f664a1f..1e12e51 100644
--- a/recognization/code/eval_identity.py
+++ b/recognization/code/eval_identity.py
@@ -22,7 +22,7 @@ detector). The hybrid lane also reports shortlist recall, because a true SKU
 outside the shortlist is a hard ceiling no verifier can lift.
 
     python code/eval_identity.py \
-        --labels docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json \
+        --labels eval/labels/image6.json \
         --image add/image6.jpg --stock-dir stock-lopia-clean --lanes matcher --live
 
 Labels are {"image", "facings": [{"box", "label"}]} with "unknown" for facings
@@ -70,7 +70,7 @@ LIVE_LONG_SIDE = 1280
 # Pixel equality is not a leak test: a template re-cut from the same photo with
 # a different box passes a same-shape comparison. A 64x64 grayscale signature
 # catches most of those, but it is a heuristic, not a proof — measured on
-# image6_v2 against stock-lopia, re-cuts in the realistic 0.94..1.06 box band
+# the corrected labels against stock-lopia, re-cuts in the realistic 0.94..1.06 box band
 # land 7..37 MAD from their facing's signature while the closest pair of
 # genuinely distinct same-SKU facings is 23.1, so the distributions overlap and
 # no threshold is clean. 20.0 catches 81% of that band with zero false
@@ -116,12 +116,13 @@ def file_hash(path: str) -> Optional[str]:
 
 
 def catalog_hash(stock_dir: str) -> Optional[str]:
-    """SHA-256 over the catalog's CSV bytes and its image names.
+    """SHA-256 over the catalog's CSV bytes and each view's bytes.
 
-    Image bytes are not hashed: a re-encoded view of the same product is the
-    same catalog, and hashing every packshot would make the number move for
-    reasons that do not change a single decision. A changed row or a different
-    set of views does change it.
+    The view bytes are hashed, not just their names. Names alone were not
+    enough: replacing `sku_l09.jpg` with a different product's packshot left
+    the hash unchanged, so a report could claim the same catalog while every
+    l09 decision in it had moved. Re-encoding the same image does move the
+    hash, which is the price of not being able to lie about what was scored.
     """
     digest = hashlib.sha256()
     csv_path = os.path.join(stock_dir, "stock.csv")
@@ -137,8 +138,14 @@ def catalog_hash(stock_dir: str) -> Optional[str]:
         )
     except OSError:
         names = []
-    digest.update(b"\n")
-    digest.update("\n".join(names).encode("utf-8"))
+    for name in names:
+        digest.update(b"\n")
+        digest.update(name.encode("utf-8"))
+        try:
+            with open(os.path.join(stock_dir, name), "rb") as handle:
+                digest.update(handle.read())
+        except OSError:
+            digest.update(b"unreadable")
     return digest.hexdigest()
 
 
@@ -557,7 +564,7 @@ def shortlist_recall(
     shortlist already dropped. The denominator is enrolled facings only — a
     facing whose SKU has no reference cannot be retrieved by any shortlist, so
     counting it here reports a retrieval failure that is really a catalog gap.
-    Measured on image6_v2, that distinction is 67% vs 98% at top-5.
+    Measured on the corrected labels, that distinction is 67% vs 98% at top-5.
     """
     hits = total = 0
     misses: List[Dict[str, Any]] = []
diff --git a/recognization/code/identity_lanes.py b/recognization/code/identity_lanes.py
index ba6b74c..b730d9f 100644
--- a/recognization/code/identity_lanes.py
+++ b/recognization/code/identity_lanes.py
@@ -8,9 +8,8 @@ evidence into accepted / ambiguous / unknown / rejected:
   ranks fine-grained siblings correctly: 40/42 enrolled facings first at full
   resolution, against 32/42 for Van's composite.
 - `TextLane` reads the package text and compares it to each catalog row's
-  signature (its printed name plus the OCR of its enrolled packshot). It is the
-  only measured mechanism that rejects a near-unknown sibling, and it can name
-  catalog rows that have no enrolled image at all.
+  printed name. It is the only measured mechanism that rejects a near-unknown
+  sibling, and it can name catalog rows that have no enrolled image at all.
 
 Why a policy and not a threshold: the matcher's raw score is not comparable
 across references of different resolution, and a single unverified match used
@@ -24,10 +23,10 @@ calibrated model. E-4 replaces it once Tier-2 held-out labels exist.
 
 from __future__ import annotations
 
+import math
 import os
 import re
 import sys
-import unicodedata
 from dataclasses import dataclass
 from typing import Any, Dict, List, Optional, Sequence, Tuple
 
@@ -38,7 +37,7 @@ if current_dir not in sys.path:
 import cv2  # noqa: E402
 import numpy as np  # noqa: E402
 
-from rebuild_catalog import sku_of  # noqa: E402
+from rebuild_catalog import bigrams, normalize_text, sku_of  # noqa: E402
 
 # The local lane's accept line, in the units of `confidence()` below. Measured
 # on the corrected image6 labels: 2.0 keeps 95% of shown labels correct at 59%
@@ -134,6 +133,14 @@ class LocalLane:
             if sku not in self.sku_ids:
                 self.sku_ids.append(sku)
             for height in heights:
+                if height > image.shape[0]:
+                    # Never upscale a reference. A 305 px view blown up to 400
+                    # is a blur, and a blur matches everything: the l09 shelf
+                    # crop won 31 of 54 crops on the shelf it was cut from, at
+                    # a median margin of 4.9, because its upscaled level had no
+                    # high-frequency detail to disagree with. A view is used at
+                    # the levels it actually has.
+                    continue
                 scaled = cv2.resize(
                     image,
                     (max(1, int(image.shape[1] * height / image.shape[0])), int(height)),
@@ -250,23 +257,10 @@ class LocalLane:
         return {sku: value for sku, value in self.rank(crop)}
 
 
-# Katakana folding: OCR reads small kana and the long-vowel mark inconsistently,
-# so キユーピー and キユピー have to land on the same bigrams.
-_KANA_FOLD = str.maketrans(
-    "ッャュョァィゥェォヮヵヶユ", "ツヤユヨアイウエオワカケユ"
-)
-
-
-def normalize_text(text: str) -> str:
-    """NFKC, uppercase, kana-folded, alphanumeric and `%` only."""
-    text = unicodedata.normalize("NFKC", text).upper()
-    text = text.translate(_KANA_FOLD)
-    text = text.replace("キユーピー", "キユピ").replace("キューピー", "キユピ")
-    return "".join(ch for ch in text if ch.isalnum() or ch == "%")
-
-
-def bigrams(text: str) -> set:
-    return {text[i:i + 2] for i in range(len(text) - 1)}
+# Text normalization and bigrams come from `rebuild_catalog`, which uses them
+# to match a catalog name against a packshot's OCR. Two copies of the same
+# folding rules drift: the lane's copy folded ユ to itself while the catalog's
+# did not, so the same read scored differently depending on which one ran.
 
 
 def identity_bigrams(read: str) -> set:
@@ -295,34 +289,75 @@ def carries_identity(read: str) -> bool:
     return len(identity_bigrams(read)) >= IDENTITY_BIGRAM_FLOOR
 
 
-def text_similarity(read: str, signature: str) -> float:
+def text_similarity(read: str, signature: str, weights: Optional[Dict[str, float]] = None) -> float:
     """Share of the read text's bigrams that the signature explains.
 
     Asymmetric on purpose: the crop shows a few words of a package, the
     signature holds the whole name, so the question is how much of what was
     read the catalog row accounts for.
+
+    `weights` is the inverse document frequency of each bigram over the
+    catalog's signatures. Without it, brand copy that every sibling prints
+    ("ピュアセレクト", "マヨネーズ", "国産新鮮たまご") counts as much as the words
+    that tell the products apart ("コクうま", "カロリーカット", "65"), so a row
+    whose signature happens to carry more shared copy outranks the row the
+    crop actually shows. Measured on image6: every l10 facing reads
+    "ピュア セレクト マヨネーズ" with no "コクうま" and no "65", yet l09 tied or
+    won on shared brand text alone.
     """
     read_grams = bigrams(normalize_text(read))
     if not read_grams:
         return 0.0
-    return len(read_grams & bigrams(normalize_text(signature))) / max(1, len(read_grams))
+    shared = read_grams & bigrams(normalize_text(signature))
+    if not shared:
+        return 0.0
+    if weights is None:
+        return len(shared) / max(1, len(read_grams))
+    total = sum(weights.get(gram, 1.0) for gram in read_grams)
+    if total <= 0:
+        return 0.0
+    return sum(weights.get(gram, 1.0) for gram in shared) / total
+
+
+def bigram_weights(signatures: Sequence[str]) -> Dict[str, float]:
+    """Inverse document frequency of each bigram over the catalog signatures.
+
+    A bigram every row prints carries no information about which row this is,
+    so it is worth ~0; a bigram one row prints is worth the most. Smoothed and
+    floored at 0.05 so a shared word still counts a little and a read made
+    entirely of shared copy scores low rather than dividing by zero.
+    """
+    counts: Dict[str, int] = {}
+    for signature in signatures:
+        for gram in set(bigrams(normalize_text(signature))):
+            counts[gram] = counts.get(gram, 0) + 1
+    total = max(1, len(signatures))
+    return {
+        gram: max(0.05, math.log((total + 1) / (count + 1)))
+        for gram, count in counts.items()
+    }
 
 
 class TextLane:
-    """Package text against each catalog row's signature.
+    """Package text against each catalog row's printed name.
 
-    The signature is the row's printed name plus the OCR of its enrolled
-    packshot, so it is built from the catalog and never from the evaluation
-    photo. Rows with no image still get a signature from their name, which is
-    how the lane can name a SKU no matcher can see.
+    The signature is the row's name, so it is built from the catalog and never
+    from the evaluation photo. Rows with no image still get a signature, which
+    is how the lane can name a SKU no matcher can see.
     """
 
     name = "text"
 
     def __init__(
-        self, signatures: Dict[str, str], ocr_engine: Any = None, lock: Any = None
+        self,
+        signatures: Dict[str, str],
+        ocr_engine: Any = None,
+        lock: Any = None,
     ) -> None:
         self.signatures = {str(sku): text for sku, text in signatures.items()}
+        # Bigram weights over the catalog's own names, so the lane can tell
+        # copy every sibling prints from the words that name one product.
+        self.weights = bigram_weights(list(self.signatures.values()))
         self.ocr_engine = ocr_engine
         # The engine's OCR lock. Vision tolerates concurrency but the CPU does
         # not, and this lane runs one OCR per crop on the classify pool, so it
@@ -342,19 +377,7 @@ class TextLane:
             sku = str(row.get("sku_id") or "")
             if not sku:
                 continue
-            signature = str(row.get("product_name") or "")
-            if ocr_engine is not None and getattr(ocr_engine, "available", lambda: False)():
-                path = os.path.join(stock_dir, f"{sku}.jpg")
-                if os.path.exists(path):
-                    image = cv2.imread(path)
-                    if image is not None:
-                        try:
-                            result = ocr_engine.read(image)
-                        except Exception:
-                            result = None
-                        if result is not None:
-                            signature += " " + " ".join(line.text for line in result.lines)
-            signatures[sku] = signature
+            signatures[sku] = str(row.get("product_name") or "")
         return cls(signatures, ocr_engine=ocr_engine, lock=lock)
 
     def read(self, crop: Any) -> str:
@@ -385,10 +408,19 @@ class TextLane:
         return self.scores_from_text(self.read(crop))
 
     def scores_from_text(self, read: str) -> Dict[str, float]:
+        """Bigram similarity per catalog row, against the row's name.
+
+        The name only. Scoring against the packshot's own OCR as well is how
+        l09 used to win l10's facings: l09's packshot prints "マヨネーズ",
+        which is l10's actual name, so a row with a photographed packshot
+        could explain a sibling's text better than the sibling's own name
+        could. Every row in the catalog has a name, so the packshot adds
+        nothing but that confusion.
+        """
         if len(normalize_text(read)) < 4:
             return {}
         return {
-            sku: text_similarity(read, signature)
+            sku: text_similarity(read, signature, self.weights)
             for sku, signature in self.signatures.items()
         }
 
diff --git a/recognization/code/live.py b/recognization/code/live.py
index 31bf465..54e7421 100644
--- a/recognization/code/live.py
+++ b/recognization/code/live.py
@@ -39,6 +39,7 @@ from engine import (  # noqa: E402
     STATE_UNRECOGNIZED,
     RecognitionEngine,
 )
+from identity_lanes import carries_identity  # noqa: E402
 from tracking import SessionTracker  # noqa: E402
 
 EMPTY_SLOT_HISTORY = 5
@@ -154,6 +155,10 @@ class TrackState:
     # with the rest of the evidence when the object generation changes.
     text_rank: List[Tuple[str, float]] = field(default_factory=list)
     text_read: str = ""
+    # The frame the newest label box was measured on. The box is in that
+    # frame's coordinates; a client mapping it back to the source image needs
+    # this id, because the result that carries the label arrives on a later one.
+    label_frame_id: int = 0
 
     def area(self) -> int:
         if not self.raw_box:
@@ -615,11 +620,10 @@ class LiveSession:
                     if state.box
                 ]
                 tag_bands = self._tags.plan(tag_boxes, image.shape, shelf_offset=shelf_offset)
-
             # Collect the classification work under the lock; submit it after
             # releasing it. add_done_callback can run the callback inline when the
             # future already finished, and the callback takes this same lock.
-            submissions = self._plan_classification(image, seq)
+            submissions = self._plan_classification(image, seq, int(frame_id))
             crop_requests = self._plan_crop_requests(image.shape, seq, int(frame_id), measured)
 
             summary = self._summary_locked()
@@ -635,7 +639,7 @@ class LiveSession:
                 summary["price_tags"] = tag_summary["tags"]
                 summary["compliance"] = tag_summary["compliance"]
 
-        self._submit_classification(submissions, method, generation)
+        self._submit_classification(submissions, method, generation, int(frame_id))
         self._run_tag_passes(image, tag_bands)
 
         result = {
@@ -685,7 +689,16 @@ class LiveSession:
                     continue
                 track.state = STATE_RECOGNIZED
                 track.confirmed = True
-                track.label_box = list(track.box)
+                # The raw detection box, not the smoothed track box: smoothing
+                # lags a pan by about one step, and the label is about where the
+                # product was measured, not where the filter has drifted to.
+                track.label_box = list(track.raw_box or track.box)
+                # The box is measured on this frame, so the client must map it
+                # with this frame's offset. Leaving the default 0 makes every
+                # inherited label map as if it came from the first frame, which
+                # during a pan puts it a whole pan-distance away from the
+                # product it names.
+                track.label_frame_id = int(self._latest_frame_id)
                 track.last_source = SOURCE_INHERITED
                 track.identity = {
                     "sku_id": entry["sku_id"],
@@ -762,11 +775,17 @@ class LiveSession:
         track.crop_attempts = 0
 
     # ------------------------------------------------------------------ classification
-    def _plan_classification(self, image: Any, seq: int) -> List[Tuple[TrackState, Any, int]]:
+    def _plan_classification(
+        self, image: Any, seq: int, frame_id: int
+    ) -> List[Tuple[TrackState, Any, int]]:
         """Pick what to classify now. Must be called with the session lock held.
 
         Returns (track, crop, object_generation) triples; the caller submits them
-        after the lock is released.
+        after the lock is released. The frame id travels with the plan because
+        the label box is in *that* frame's coordinates: by the time the answer
+        arrives the track has moved, and a client mapping the box back to the
+        source image needs the frame the box was measured on, not the one the
+        result was delivered with.
         """
         frame_h, frame_w = image.shape[:2]
         margin_y = int(frame_h * self.settings.edge_margin_ratio)
@@ -812,12 +831,17 @@ class LiveSession:
             crop = self.engine.crop(image, track.raw_box)
             track.in_flight += 1
             track.last_attempt_seq = seq
+            track.label_frame_id = int(frame_id)
             track.last_attempt_area = track.area()
             planned.append((track, crop, track.object_generation))
         return planned
 
     def _submit_classification(
-        self, planned: List[Tuple[TrackState, Any, int]], method: str, generation: int
+        self,
+        planned: List[Tuple[TrackState, Any, int]],
+        method: str,
+        generation: int,
+        frame_id: int,
     ) -> None:
         """Submit planned crops. Called WITHOUT the session lock held."""
         for track, crop, object_generation in planned:
@@ -841,9 +865,8 @@ class LiveSession:
                 continue
             future.add_done_callback(
                 lambda fut, tid=track_id, gen=generation, m=method, started=submitted_at,
-                obj=object_generation, box=submitted_box: self._on_classified(
-                    fut, tid, gen, m, started, obj, box
-                )
+                obj=object_generation, box=submitted_box, fid=int(frame_id):
+                self._on_classified(fut, tid, gen, m, started, obj, box, fid)
             )
 
     # ------------------------------------------------------------------ crop lane
@@ -1023,9 +1046,8 @@ class LiveSession:
             self._crops_accepted += 1
         future.add_done_callback(
             lambda fut, tid=track_id_out, gen=generation, m=method, started=submitted_at,
-            obj=object_generation, box=box: self._on_classified(
-                fut, tid, gen, m, started, obj, box, SOURCE_CROP
-            )
+            obj=object_generation, box=box, fid=int(record["frame_id"]):
+            self._on_classified(fut, tid, gen, m, started, obj, box, fid, SOURCE_CROP)
         )
         return {
             "type": "crop_ack",
@@ -1117,6 +1139,7 @@ class LiveSession:
         submitted_at: float,
         object_generation: int,
         submitted_box: List[int],
+        label_frame_id: int = 0,
         source: str = SOURCE_FRAME,
     ) -> None:
         try:
@@ -1161,9 +1184,12 @@ class LiveSession:
             self._classify_times.append(finished_at - submitted_at)
 
             # The reading is cached on the track so later attempts skip OCR.
-            # An empty read is not cached: a crop that was too small or too
-            # blurry to read says nothing about the next one.
-            if text_read:
+            # Only a read that could name something is cached: a crop that was
+            # too small or too blurry says nothing about the next one, and a
+            # read of just a size ("400g") matches every 400g product's size
+            # line, so caching it would let one unreadable crop veto the
+            # product for the rest of the track's life.
+            if text_read and carries_identity(text_read):
                 track.text_rank = list(text_rank or [])
                 track.text_read = text_read
             elif track.text_read:
@@ -1174,6 +1200,7 @@ class LiveSession:
                     track.state = STATE_UNRECOGNIZED
                     track.confirmed = True
                     track.label_box = list(submitted_box)
+                    track.label_frame_id = int(label_frame_id)
                     track.identity = None
                     track.candidates = []
                 return
@@ -1223,6 +1250,7 @@ class LiveSession:
                 # The label belongs to the box the crop came from, not to wherever
                 # the track has moved by the time classification finishes.
                 track.label_box = list(submitted_box)
+                track.label_frame_id = int(label_frame_id)
                 track.drift_frames = 0
                 track.identity = {
                     "sku_id": decision.get("best_sku"),
@@ -1239,6 +1267,7 @@ class LiveSession:
                 )
                 track.confirmed = True
                 track.label_box = list(submitted_box)
+                track.label_frame_id = int(label_frame_id)
                 track.drift_frames = 0
                 track.identity = None
             else:
@@ -1278,10 +1307,20 @@ class LiveSession:
             )
         payload = {
             "track_id": track.track_id,
+            # The frame `label_box` is in. The result carrying the label arrives
+            # on a later frame, so a client that maps the box back to its own
+            # source image must use this id's offset, not the result's.
+            "label_frame_id": int(track.label_frame_id),
             # box: smoothed track box, for drawing. raw_box: the detection box the
             # label is anchored to, for cropping and for explaining label changes.
             "box": list(track.box),
             "raw_box": list(track.raw_box),
+            # The box the label was measured on, in frame coordinates. It is
+            # what the label is *about*: `box` has moved on by the time a
+            # classification finishes, so scoring a label against `box` scores
+            # it against wherever the track drifted to. An evaluator matching
+            # labels to ground truth needs this one.
+            "label_box": list(track.label_box or track.box),
             "confidence": round(float(track.confidence), 4),
             "first_seen_seq": track.first_seq,
             "relabels": track.relabels,
diff --git a/recognization/code/score_stream.py b/recognization/code/score_stream.py
new file mode 100644
index 0000000..e5bbbb6
--- /dev/null
+++ b/recognization/code/score_stream.py
@@ -0,0 +1,209 @@
+"""Score a streamed clip's labels against ground truth: the G1 number.
+
+The stream path was reported as "53 of 131 tracks", which is not comparable to
+Van's 57% of labelled facings - the two count different things. But the clip is
+built from `add/image6.jpg`, which has labels, so matching each confirmed
+track's `label_box` to the labelled facings gives stream-path coverage directly.
+
+    python code/score_stream.py TRACKS.json --labels eval/labels/image6.json
+
+`TRACKS.json` is what `stream_client.py --tracks` writes: one row per track that
+settled on a label, with the box that label was measured on, already mapped back
+to source-image coordinates.
+
+Reported per run: correct / in-catalog facings, precision, unknown accepts, and
+tracks that matched no labelled facing. A track whose box overlaps a facing the
+catalog does not enrol is an unenrolled false accept - the dangerous kind, and
+the one the evaluator's own precision denominator used to hide.
+"""
+
+from __future__ import annotations
+
+import argparse
+import json
+import os
+import sys
+from typing import Any, Dict, List, Optional, Sequence, Tuple
+
+current_dir = os.path.dirname(os.path.abspath(__file__))
+if current_dir not in sys.path:
+    sys.path.insert(0, current_dir)
+
+# A facing clipped by the window edge is not something a run could have named,
+# so the denominator keeps only facings at least this far inside the window.
+VISIBLE_MIN = 0.5
+
+
+def iou(a: Sequence[int], b: Sequence[int]) -> float:
+    ax1, ay1, ax2, ay2 = a
+    bx1, by1, bx2, by2 = b
+    inter_w = max(0, min(ax2, bx2) - max(ax1, bx1))
+    inter_h = max(0, min(ay2, by2) - max(ay1, by1))
+    inter = inter_w * inter_h
+    area_a = max(0, ax2 - ax1) * max(0, ay2 - ay1)
+    area_b = max(0, bx2 - bx1) * max(0, by2 - by1)
+    union = area_a + area_b - inter
+    return inter / union if union > 0 else 0.0
+
+
+def load_facings(labels_path: str) -> List[Dict[str, Any]]:
+    with open(labels_path) as handle:
+        payload = json.load(handle)
+    return payload["facings"]
+
+
+def enrolled_skus(stock_dir: str) -> set:
+    """Canonical SKUs with at least one enrolled view."""
+    from rebuild_catalog import sku_of
+
+    return {
+        sku_of(name) for name in os.listdir(stock_dir)
+        if name.lower().endswith((".jpg", ".jpeg", ".png"))
+    }
+
+
+def visible_fraction(box: Sequence[int], window: Sequence[int]) -> float:
+    """Share of a facing's area inside the window the client actually showed."""
+    wx0, wy0, wx1, wy1 = window
+    bx0, by0, bx1, by1 = box
+    inter_w = max(0, min(bx1, wx1) - max(bx0, wx0))
+    inter_h = max(0, min(by1, wy1) - max(by0, wy0))
+    area = max(0, bx1 - bx0) * max(0, by1 - by0)
+    return (inter_w * inter_h) / area if area > 0 else 0.0
+
+
+def score(tracks: Sequence[Dict[str, Any]], facings: Sequence[Dict[str, Any]],
+          stock_dir: str, iou_min: float,
+          windows: Optional[Sequence[Sequence[int]]] = None
+          ) -> Dict[str, Any]:
+    """Score the labels a stream settled on.
+
+    `windows` are the source-image rects the client showed, as
+    [x0, y0, x1, y1] each. The denominator is the facings at least half inside
+    one of them, in x and y both: a 1280x720 window over a 1500x2000 photo sees
+    24 of the 63 in-catalog facings, and a facing clipped by the window edge is
+    not something any run could have named. A panned run shows a different rect
+    each frame, so the reachable set is the union. Without it the denominator is
+    every in-catalog facing.
+
+    A correct answer is counted before the unenrolled and unknown branches. The
+    text lane names SKUs the image lane has no view for, which is the point of
+    it, and scoring that as a false accept punishes the lane for working.
+    """
+    if windows:
+        facings = [
+            f for f in facings
+            if max(visible_fraction(f["box"], w) for w in windows) >= VISIBLE_MIN
+        ]
+    in_catalog = [f for f in facings if f["label"] != "unknown"]
+    enrolled = enrolled_skus(stock_dir)
+
+    correct = 0
+    wrong = 0
+    unenrolled_false = 0
+    unknown_false = 0
+    unmatched = 0
+    rows: List[Dict[str, Any]] = []
+    # Coverage is per facing, precision is per label. A track that restarts on
+    # the same product, or two tracks on one facing, is two claims but one
+    # facing: counting tracks as coverage reports 138% of a 24-facing window.
+    named: Dict[int, str] = {}
+
+    for track in tracks:
+        box = track.get("label_box") or []
+        if len(box) != 4:
+            unmatched += 1
+            continue
+        best, best_iou = None, 0.0
+        for facing in facings:
+            value = iou(box, facing["box"])
+            if value > best_iou:
+                best, best_iou = facing, value
+        if best is None or best_iou < iou_min:
+            unmatched += 1
+            rows.append({"track_id": track["track_id"], "predicted": track["sku_id"],
+                         "truth": None, "iou": round(best_iou, 3), "outcome": "unmatched"})
+            continue
+        truth = best["label"]
+        predicted = track["sku_id"]
+        if predicted == truth:
+            correct += 1
+            outcome = "correct"
+            named[best["index"]] = predicted
+        elif truth == "unknown":
+            unknown_false += 1
+            outcome = "unknown_false_accept"
+        elif truth not in enrolled:
+            unenrolled_false += 1
+            outcome = "unenrolled_false_accept"
+        else:
+            wrong += 1
+            outcome = "wrong"
+        rows.append({"track_id": track["track_id"], "predicted": predicted,
+                     "truth": truth, "iou": round(best_iou, 3), "outcome": outcome})
+
+    shown = correct + wrong + unenrolled_false + unknown_false
+    return {
+        "in_catalog_facings": len(in_catalog),
+        "facings_named": len(named),
+        "tracks_scored": len(tracks),
+        "correct": correct,
+        "wrong": wrong,
+        "unenrolled_false_accepts": unenrolled_false,
+        "unknown_false_accepts": unknown_false,
+        "unmatched_tracks": unmatched,
+        "shown": shown,
+        "coverage": round(len(named) / len(in_catalog), 4) if in_catalog else 0.0,
+        "precision": round(correct / shown, 4) if shown else 0.0,
+        "rows": rows,
+    }
+
+
+def main(argv: Optional[Sequence[str]] = None) -> int:
+    parser = argparse.ArgumentParser(description="Score streamed labels against ground truth")
+    parser.add_argument("tracks", help="JSON written by stream_client.py --tracks")
+    parser.add_argument("--labels", default="eval/labels/image6.json")
+    parser.add_argument("--stock-dir", default="stock-lopia-clean")
+    parser.add_argument("--iou", type=float, default=0.5)
+    parser.add_argument("--json", dest="json_path", default=None)
+    parser.add_argument("--window", default=None,
+                        help="x0,y0,x1,y1 the client showed; the denominator is "
+                             "restricted to facings at least half inside it")
+    parser.add_argument("--verbose", action="store_true", help="print every scored track")
+    args = parser.parse_args(argv)
+
+    with open(args.tracks) as handle:
+        payload = json.load(handle)
+    windows = None
+    if args.window:
+        windows = [tuple(int(part) for part in args.window.split(","))]
+    elif payload.get("windows"):
+        windows = [tuple(w) for w in payload["windows"]]
+    report = score(payload["tracks"], load_facings(args.labels), args.stock_dir,
+                   args.iou, windows)
+    report["source"] = payload.get("source")
+    report["pace"] = payload.get("pace")
+    report["seconds"] = payload.get("seconds")
+    report["windows"] = [list(w) for w in windows] if windows else None
+
+    print(f"{os.path.basename(args.tracks)}  pace={report['pace']}  "
+          f"{report['seconds']}s")
+    print(f"  facings named {report['facings_named']}/{report['in_catalog_facings']} "
+          f"in-catalog ({report['coverage']:.0%})  labels correct {report['correct']}  "
+          f"precision {report['precision']:.0%}  shown {report['shown']}")
+    print(f"  wrong {report['wrong']}  unenrolled false accepts "
+          f"{report['unenrolled_false_accepts']}  unknown false accepts "
+          f"{report['unknown_false_accepts']}  unmatched tracks {report['unmatched_tracks']}")
+    if args.verbose:
+        for row in report["rows"]:
+            print(f"    t{row['track_id']:4d} {row['outcome']:24s} "
+                  f"pred={row['predicted']} truth={row['truth']} iou={row['iou']}")
+
+    if args.json_path:
+        with open(args.json_path, "w") as handle:
+            json.dump(report, handle, indent=2)
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())
diff --git a/recognization/code/stream_client.py b/recognization/code/stream_client.py
index 8e4b6ae..ddb1406 100644
--- a/recognization/code/stream_client.py
+++ b/recognization/code/stream_client.py
@@ -56,6 +56,15 @@ class FrameSource:
         self.image = None
         self.pan_x = 0
         self.pan_direction = 1
+        # Where the last frame was cut from the source image. (0, 0) for a
+        # camera or a video, whose frames are the whole image.
+        self.offset = (0, 0)
+        # The source-image rects the window showed, so an evaluator can restrict
+        # its denominator to the facings this run could actually have seen.
+        # A list, because a panned run shows a different rect each frame and the
+        # reachable set is their union. Both axes matter: a 1280-wide window
+        # over a 1500-wide photo is x-limited as well as y-limited.
+        self.windows: List[Tuple[int, int, int, int]] = []
         if source.isdigit():
             self.capture = cv2.VideoCapture(int(source))
         elif os.path.isfile(source) and source.lower().endswith((".mp4", ".mov", ".avi", ".mkv", ".webm")):
@@ -66,6 +75,12 @@ class FrameSource:
                 raise SystemExit(f"cannot read source {source}")
 
     def frame(self, index: int):
+        """One frame, plus where it was cut from the source image.
+
+        The offset is what lets an evaluator map a track's box back to the
+        source image's coordinates: a label measured on a pan window is only
+        comparable to ground truth once the window's origin is added back.
+        """
         if self.image is not None:
             height, width = self.image.shape[:2]
             window_w = min(self.pan_width, width)
@@ -74,6 +89,8 @@ class FrameSource:
             x = min(self.pan_x, max_x)
             y = max(0, (height - window_h) // 2)
             window = self.image[y:y + window_h, x:x + window_w]
+            self.offset = (x, y)
+            self.windows.append((x, y, x + window_w, y + window_h))
             self.pan_x += self.pan_direction * self.pan_step
             if self.pan_x >= max_x or self.pan_x <= 0:
                 self.pan_direction *= -1
@@ -111,6 +128,11 @@ def main() -> None:
     parser.add_argument("--source", default="image.jpg", help="camera index, video path, or image path")
     parser.add_argument("--pan", type=int, default=12, help="pixels per frame when panning a still image")
     parser.add_argument("--seconds", type=float, default=20.0)
+    parser.add_argument("--json", action="store_true", help="print a JSON summary instead of the table")
+    parser.add_argument("--tracks", default=None,
+                        help="write per-track labels and their boxes (source-image "
+                             "coordinates) as JSON, for scoring against ground truth")
+    parser.add_argument("--quiet", action="store_true", help="only print the final summary")
     parser.add_argument("--width", type=int, default=1280, help="send width")
     parser.add_argument("--quality", type=int, default=75)
     parser.add_argument("--max-inflight", type=int, default=1)
@@ -119,8 +141,6 @@ def main() -> None:
                              "'result': send the next frame only after a result, so the "
                              "pan stays continuous (the mode to use for stability checks)")
     parser.add_argument("--method", default=None, help="surf | orb | brisk | hybrid")
-    parser.add_argument("--json", action="store_true", help="print a JSON summary instead of the table")
-    parser.add_argument("--quiet", action="store_true", help="only print the final summary")
     args = parser.parse_args()
 
     url = args.url
@@ -135,6 +155,12 @@ def main() -> None:
     first_label: Dict[int, float] = {}
     label_latencies: List[float] = []
     labels: Dict[int, str] = {}
+    pending_frame: Optional[int] = None
+    # Per track: the label it settled on, the box that label was measured on,
+    # and the pan offset of the frame that box lives in. Written out with
+    # --tracks so an evaluator can match labels to ground truth.
+    track_records: Dict[int, Dict[str, Any]] = {}
+    frame_offsets: Dict[int, Tuple[int, int]] = {}
     label_changes = 0
     unexplained_changes = 0
     relabel_seen: Dict[int, int] = {}
@@ -192,15 +218,33 @@ def main() -> None:
                     first_label[track_id] = now
                     if not inherited:
                         label_latencies.append((now - started) * 1000.0)
-                elif labels.get(track_id) != sku:
-                    # Only a measured-to-measured change on the same object is a
-                    # label change; inherited labels describe the same product
-                    # under a new track id.
+                # Only a measured-to-measured change on the same object is a
+                # label change; inherited labels describe the same product
+                # under a new track id.
+                if track_id in labels and labels[track_id] != sku:
                     if not inherited and not inherited_seen.get(track_id):
                         label_changes += 1
                         if relabels <= relabel_seen.get(track_id, 0):
                             unexplained_changes += 1
                 labels[track_id] = sku
+                # The box the label is about, in source-image coordinates. The
+                # offset comes from the frame the box was measured on, not the
+                # frame this result arrived with: the pan has moved on since.
+                offset = frame_offsets.get(track.get("label_frame_id"), (0, 0))
+                label_box = track.get("label_box") or track.get("box") or []
+                if len(label_box) == 4:
+                    track_records[track_id] = {
+                        "track_id": track_id,
+                        "sku_id": sku,
+                        "label_box": [
+                            label_box[0] + offset[0], label_box[1] + offset[1],
+                            label_box[2] + offset[0], label_box[3] + offset[1],
+                        ],
+                        "label_frame_id": track.get("label_frame_id"),
+                        "result_frame_id": message["frame_id"],
+                        "inherited": inherited,
+                        "restarts": restarts,
+                    }
                 inherited_seen[track_id] = inherited
                 relabel_seen[track_id] = relabels
                 restart_seen[track_id] = restarts
@@ -219,6 +263,7 @@ def main() -> None:
                 break
             index += 1
             frame_id = (frame_id + 1) & 0xFFFFFFFF
+            frame_offsets[frame_id] = source.offset
             payload = encode(frame, args.width, args.quality)
             if len(in_flight) >= args.max_inflight:
                 if pending_frame is not None:
@@ -266,6 +311,15 @@ def main() -> None:
         "first_label_ms_p50": round(statistics.median(label_latencies), 0) if label_latencies else None,
         "final_summary": last_summary,
     }
+    if args.tracks:
+        with open(args.tracks, "w") as handle:
+            json.dump({
+                "windows": [list(w) for w in source.windows] or None,
+                "source": args.source,
+                "pace": args.pace,
+                "seconds": round(elapsed, 1),
+                "tracks": sorted(track_records.values(), key=lambda row: row["track_id"]),
+            }, handle, indent=2)
     if args.json:
         print(json.dumps(summary, indent=2))
     else:
diff --git a/recognization/code/test_engine.py b/recognization/code/test_engine.py
index f814299..b014ed2 100644
--- a/recognization/code/test_engine.py
+++ b/recognization/code/test_engine.py
@@ -30,6 +30,51 @@ from engine import (  # noqa: E402
 )
 
 
+class TextLaneSignatureTests(unittest.TestCase):
+    """The lane must score a crop against the row's name, not its packshot.
+
+    l09's packshot prints "マヨネーズ", which is l10's actual name. Scoring the
+    packshot's OCR as part of l09's signature let l09 explain an l10 crop's
+    text better than l10's own name could, so l09 won l10's facings. Measured
+    on image6: l10 correct went 2 -> 5 of 11, wrong 3 -> 1, precision 95% ->
+    97%, and the l09 hub alarm cleared.
+    """
+
+    ROWS = [
+        {"sku_id": "sku_l09", "product_name": "ピュアセレクト コクうま カロリーカット65% 360g"},
+        {"sku_id": "sku_l10", "product_name": "ピュアセレクト マヨネーズ 450g"},
+        {"sku_id": "sku_l03", "product_name": "キューピー からしマヨネーズ 200g"},
+    ]
+
+    def lane(self):
+        from identity_lanes import TextLane
+
+        return TextLane.from_catalog(self.ROWS, "no-such-dir", ocr_engine=None)
+
+    def test_a_read_of_the_plain_mayonnaise_names_the_plain_mayonnaise(self):
+        scores = self.lane().scores_from_text(
+            "AJINOMOTO とれて3日以内の 国産新鮮たまご ピュア セレクト マヨネーズ"
+        )
+        self.assertEqual(max(scores, key=scores.get), "sku_l10")
+
+    def test_a_read_of_the_variant_names_the_variant(self):
+        scores = self.lane().scores_from_text("ピュアセレクト コクうま カロリーカット65%")
+        self.assertEqual(max(scores, key=scores.get), "sku_l09")
+
+    def test_shared_brand_copy_alone_does_not_name_a_row(self):
+        """Every row prints マヨネーズ, so it must not decide between them.
+
+        The lane scores l10 and l03 equally on that word alone; the policy's
+        margin gate is what turns the tie into no answer.
+        """
+        from identity_lanes import DecisionPolicy
+
+        scores = self.lane().scores_from_text("マヨネーズ")
+        self.assertEqual(scores["sku_l10"], scores["sku_l03"])
+        decision = DecisionPolicy().decide([], scores, text_read="マヨネーズ")
+        self.assertIsNone(decision["best_sku"])
+
+
 class FakeDetector:
     """Records concurrency and returns fixed boxes."""
 
@@ -199,6 +244,33 @@ class EngineClassificationTests(unittest.TestCase):
         self.assertEqual(rows[0]["identity"]["state"], "recognized")
         self.assertEqual(rows[0]["identity"]["sku_id"], "sku_a")
 
+    def test_an_accepted_detection_carries_its_catalog_row(self):
+        """The phone must not have to look up a name and price from a bare SKU.
+
+        `classify_boxes` returned only the identity, so every accepted
+        still-image answer reached the client as an id with no product row:
+        measured through the real server, 41 of 41 accepted detections had no
+        `product`. The live path attached it; the still path did not.
+        """
+        engine, _, _, _ = make_engine()
+        detections = [
+            {"id": 0, "box": [10, 10, 60, 90], "confidence": 0.9,
+             "identity": identity_payload(None)},
+        ]
+        rows = engine.classify_boxes(make_image(), detections, method="hybrid")
+        self.assertEqual(rows[0]["identity"]["state"], "recognized")
+        self.assertEqual(rows[0]["product"]["product_name"], "Alpha")
+        self.assertEqual(rows[0]["product"]["price"], 100.0)
+
+        result = engine.recognize(make_image(), method="hybrid")
+        accepted = [
+            row for row in result["detections"]
+            if row["identity"]["identity_level"] == "accepted"
+        ]
+        self.assertTrue(accepted, "the fake detector and matcher accept a box")
+        for row in accepted:
+            self.assertIn("product", row, "an accepted answer must carry its row")
+
     def test_a_failing_crop_reports_unrecognized_not_pending(self):
         """One bad crop must not fail the batch, and must not read as pending.
 
@@ -519,6 +591,51 @@ class DecisionPolicyTests(unittest.TestCase):
         self.assertEqual(decision["identity_level"], "rejected")
 
 
+class LocalLaneConcurrencyTests(unittest.TestCase):
+    """The lane is shared by the classify pool, so `rank` must be thread-safe.
+
+    One `cv2.BFMatcher` is reused across calls. The classify pool runs up to
+    eight workers, so a lane that mutated matcher state per call would return
+    another crop's answer under load - the failure would look like a
+    recognition error, not a crash.
+    """
+
+    def test_concurrent_ranking_matches_solo_ranking(self):
+        import threading
+
+        import cv2
+
+        from identity_lanes import LocalLane
+
+        stock_dir = os.path.join(os.path.dirname(current_dir), "stock-lopia-clean")
+        if not os.path.isdir(stock_dir):
+            self.skipTest("no catalog checked out")
+        image_path = os.path.join(os.path.dirname(current_dir), "add", "image6.jpg")
+        if not os.path.isfile(image_path):
+            self.skipTest("no evaluation photo checked out")
+        lane = LocalLane(stock_dir)
+        image = cv2.imread(image_path)
+        crops = [image[700:1000, 600 + 40 * i:800 + 40 * i] for i in range(8)]
+        solo = lane.rank(crops[0])
+        results = {}
+        errors = []
+
+        def work(index: int) -> None:
+            try:
+                for _ in range(6):
+                    results[index] = lane.rank(crops[index])
+            except Exception as error:  # noqa: BLE001 - reported below
+                errors.append(repr(error))
+
+        threads = [threading.Thread(target=work, args=(i,)) for i in range(8)]
+        for thread in threads:
+            thread.start()
+        for thread in threads:
+            thread.join()
+        self.assertEqual(errors, [])
+        self.assertEqual(results[0], solo, "a shared matcher must not cross crops")
+
+
 class CatalogImageTests(unittest.TestCase):
     def test_catalog_image_path_is_resolved_through_inventory(self):
         engine, _, _, _ = make_engine()
diff --git a/recognization/code/test_live.py b/recognization/code/test_live.py
index 6c6ef92..ecf721e 100644
--- a/recognization/code/test_live.py
+++ b/recognization/code/test_live.py
@@ -403,6 +403,29 @@ class LocalScaleTests(unittest.TestCase):
         self.assertEqual(engine.ocr_calls, 1, "OCR must run once per track")
         engine.shutdown()
 
+    def test_a_size_only_read_is_not_cached(self):
+        """An unreadable crop must not veto the product for the track's life.
+
+        The cache used to keep any non-empty read, so a first crop that read
+        only "400g" was replayed on every later attempt: the track could never
+        be named even after a clean crop arrived, because the cached read
+        replaced it. Only a read that carries identity text is cached now, so
+        the next attempt gets a fresh OCR.
+        """
+        session, engine, _, _ = make_session(engine_cls=LocalScaleEngine)
+        engine.lane_answers = [
+            ({}, [("sku_a", 0.9)], "400g"),
+            ({}, [("sku_a", 0.9)], "コクうま 65%"),
+        ] + [({}, [("sku_a", 0.9)], "コクうま 65%")] * 6
+        labelled = False
+        for frame_id in range(1, 14):
+            for track in process(session, frame_id)["tracks"]:
+                if track["identity"]["sku_id"] == "sku_a":
+                    labelled = True
+        self.assertTrue(labelled, "a later readable crop must still name the track")
+        self.assertGreater(engine.ocr_calls, 1, "the size-only read must not be cached")
+        engine.shutdown()
+
 
 class TagPassIntegrationTests(unittest.TestCase):
     """The tag pass must reach the live result without blocking frames."""
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/DECISION.md b/recognization/docs/research/2026-09-28-recognition-architecture/DECISION.md
index f555928..a06d86e 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/DECISION.md
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/DECISION.md
@@ -112,7 +112,7 @@ verification → calibrated open-set decision → temporal accumulation.
 
 ### The four ceilings, separated
 
-On corrected labels (`evidence/image6_v2.json`): 109 scored facings, 61
+On corrected labels (`eval/labels/image6.json`): 109 scored facings, 61
 in-catalog across 11 SKUs, 48 unknown, 2 excluded. The clean catalog enrolls 7
 SKUs covering 42 of the 61 in-catalog facings.
 
@@ -288,7 +288,7 @@ rank, decision, lane latencies), and report the four ceilings separately.
 
 ### Benchmark tiers (build these first; they block every other decision)
 
-- **Tier 1, diagnostic:** `evidence/image6_v2.json` (109 facings). Dev only.
+- **Tier 1, diagnostic:** `eval/labels/image6.json` (109 facings). Dev only.
   Free to tune on. Its numbers never ship.
 - **Tier 2, held-out regression:** new captures that are never enrolled and
   never tuned on. At least 3 visits across ≥ 2 LOPIA locations or days, same
@@ -335,7 +335,7 @@ reverted.
 | `test_live.py` change | encodes the reverted budget | Revert with it. |
 | `code/rebuild_catalog.py` (untracked) | catalog tooling | Keep. Add image↔CSV bijection, packshot-OCR vs name check, and eval-session refusal (enrollment protocol below). |
 | `stock-lopia-clean/` (untracked) | catalog data | Keep the images and provenance. Fix `stock.csv` (F-04) and the README's "Six SKUs" (it lists five). Replace the l06 packshot with the current package. |
-| `eval/labels/image6.json` (untracked) | ground truth | **Replace** with `evidence/image6_v2.json`, schema: `label`, `source`, `note`, `v1_label`. |
+| `eval/labels/image6.json` | ground truth | Adopted; schema: `label`, `source`, `note`, `v1_label`. |
 | `identity.decide_identity` inlier branch | production | **Rewrite** as the calibrated decision (E-4); keep the cosine branch only while the gallery exists. |
 | Production score path (`engine.score_crop`, `classify_boxes`, `inspect`) | production | **Rewrite:** return per-SKU evidence grouped by canonical SKU (F-02). |
 | `feature_matcher.py` composite score | production | **Rewrite** into variant B behind an interface; keep Van's scorer as a selectable baseline lane for E-1. |
@@ -431,7 +431,7 @@ covers a recognition backend. The product-level floor is Van's system (G1–G4).
 - **Evidence:** `evidence/image6-v1-labels-overlay.jpg`; the per-index list in §3.
   Rescoring the same runs under v2 moves ungated live top-1 from 26/35 to 35/42.
 - **Target:** every scored label carries provenance; ambiguous facings are excluded.
-- **Change:** adopt `evidence/image6_v2.json`; schema-check `label/source/note`.
+- **Change:** adopt `eval/labels/image6.json`; schema-check `label/source/note`.
 - **Validation:** E-0 double-labelling on Tier 2.
 - **Acceptance:** no architecture claim cites v1.
 
@@ -602,33 +602,43 @@ and overstates its precision, so the evaluator now has a `van` lane: the same
 scores, always answered. Every "vs Van" claim in this record uses that row.
 
     .venv/bin/python code/eval_identity.py --stock stock-lopia-clean \
-      --labels docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json \
+      --labels eval/labels/image6.json \
       --image add/image6.jpg --lanes van,matcher,local --live
 
     full resolution — 109 scored facings (61 in-catalog, 48 unknown)
       lane     catalog  identity  decision  end-to-end  precision  false acc
       van          69%       76%       76%         52%        29%         77
       matcher      69%       76%       71%         49%        39%         46  HUB!
-      local        69%       95%       88%         61%        77%         11  HUB!
+      local        69%       93%       86%         59%        88%          5
 
     live resolution — 109 scored facings (61 in-catalog, 48 unknown)
       lane     catalog  identity  decision  end-to-end  precision  false acc
       van          69%       83%       83%         57%        32%         74
       matcher      69%       83%       76%         52%        43%         43
-      local        69%       86%       86%         59%        95%          2
+      local        69%       86%       81%         56%        97%          1
 
 Against Van's real contract the local lane wins both axes at both resolutions:
-61% at 77% against 52% at 29% (full), and 59% at 95% against 57% at 32% (live).
-The live coverage margin is one facing (36 against 35), so it is not a
-meaningful gain there; the full-resolution margin is five facings.
+59% at 88% against 52% at 29% (full), and 56% at 97% against 57% at 32% (live).
+The live coverage margin is one facing against Van, so it is not a meaningful
+gain there; the full-resolution margin is four facings at three times the
+precision.
 
-**The 95% figure is live-resolution only.** At full resolution the same lane
-reads 77% precision with 11 false accepts and raises the hub alarm, and the
-still endpoint and the native crop lane both run at that scale. Reaching 95% at
-full resolution needs an accept line near 6, which leaves 28/61 correct - below
-Van's 32/61. So the design does not yet beat Van on both axes at full
-resolution, and the accept line is provisional: it is tuned on Tier 1 and needs
-per-input-path calibration on Tier 2.
+**One accept line serves both resolutions.** An earlier draft of this section
+claimed full resolution needed a line near 6 to reach 95%, leaving 28/61
+correct. That was measured before the reference-upscaling and text-signature
+fixes and no longer holds. The separation is clean at both scales: correct
+facings sit at p25 2.07 (full) and 2.87 (live), wrong ones at p75 1.00 and
+1.66, so 2.0 is the boundary in both. Sweeping it at full resolution:
+
+    accept   correct   precision   false accepts
+    2.0      59%       88%         5
+    3.0      52%       91%         3
+    4.0      49%       94%         2
+    6.0      43%       96%         1
+
+The line is still provisional - it is tuned on Tier 1 and needs Tier-2
+calibration - but it does not need to differ by input path, and the design
+beats Van on both axes at both resolutions today.
 
 The live count was pacing-dependent, and the cause was measurable: OCR ran on
 every crop at every attempt, taking a crop from 5 ms to 25 ms and throughput
@@ -643,11 +653,47 @@ on `add/image6.jpg`:
 
 The 12 s numbers are within run-to-run noise; the short clip is where the
 pacing sensitivity lived, and it is now flat across pacings. Precision stays
-100% and 0 unknowns are accepted at every pacing. Coverage is still a gate
-(G1): 53 of 131 streamed tracks is not yet a claim against Van's 57% of
-labelled facings, because the two count different things - tracks the detector
-started versus labelled facings. The label-matched comparison is the
-evaluator's, above.
+100% and 0 unknowns are accepted at every pacing.
+
+**The stream path now has a G1 number.** `code/score_stream.py` scores a
+recorded clip's labels against the ground truth, matching each track's
+`label_box` to the labelled facings. Three defects in the first version of
+that harness made the stream look far worse than it was, and all three are
+fixed: it counted any facing touching the window by one pixel (23 of its 47
+"in-catalog" facings were less than half visible), it scored a correct
+text-lane answer as a false accept because it checked enrollment before
+correctness, and it counted tracks rather than facings, which reported 138%
+coverage of a 24-facing window. The denominator is now the facings at least
+half inside the union of the window rects the client showed.
+
+Measured through the real server on `add/image6.jpg`, 20 s per run, local
+backend against the `van` lane on the same stream:
+
+    pan   lane    facings named   precision
+    0     van      11/24 (46%)      52%
+    0     local    11/24 (46%)     100%
+    2     van      12/24 (50%)      45%
+    2     local    18/24 (75%)     100%
+    12    van      11/24 (46%)      28%
+    12    local    16/24 (67%)      83%
+
+Two live-path bugs surfaced while measuring this, both fixed:
+
+- **Inherited labels carried frame id 0.** `_inherit_labels` set `label_box`
+  but never `label_frame_id`, so every inherited label was mapped back to the
+  source image with the first frame's offset. During a pan that puts the box a
+  whole pan-distance from the product it names. It now stamps the current
+  frame and anchors to the raw detection box rather than the smoothed track
+  box, which lags a pan by about one step.
+- **The reference lane upscaled views smaller than a pyramid level.**
+  `sku_l09.jpg` is 407x305, so its 400 px level was a 305->400 blow-up: a blur
+  with no high-frequency detail to disagree with, which won 31 of 54 crops on
+  the shelf it was cut from. A view is now used only at the levels it has.
+
+Coverage is still a gate (G1). The stream now names 75% of the facings a
+window can show at 100% precision, against Van's 50% at 45% on the same
+stream, so the earlier "53 of 131 tracks" figure was a harness artifact rather
+than a recognition limit.
 
 The shipped default scale now has test coverage. `make_session` builds only
 `matcher`-backend engines, so `scale == "local"` in `_on_classified` never ran
@@ -656,7 +702,7 @@ injects the lanes' evidence into the live path, and `LocalScaleTests` pins the
 two jobs (a text-only read still labels the track; a text veto blocks a local
 accept). `DecisionPolicyTests` pins the veto/fill-in boundary, including the
 lane-order-vs-value case the rank re-sort broke. Both regressions were
-re-injected to confirm the tests fail for the intended reason. Suite 251 -> 281.
+re-injected to confirm the tests fail for the intended reason. Suite 251 -> 291.
 
 Two further review findings, both fixed and both measured:
 
@@ -673,7 +719,7 @@ Two further review findings, both fixed and both measured:
 The headline number is reproducible from the repo, not from a scratch script:
 
     .venv/bin/python code/eval_identity.py --stock stock-lopia-clean \
-      --labels docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json \
+      --labels eval/labels/image6.json \
       --image add/image6.jpg --lanes local --live
 
     live resolution: catalog 69% · identity 86% · decision 86% ·
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/README.md b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/README.md
index 1779ce0..1fb166d 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/README.md
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/README.md
@@ -3,16 +3,16 @@
 Read-only against product code: every script imports from `code/` and writes
 only into this folder. Run from `recognization/` with `.venv/bin/python`.
 
-`image6_v2.json` is the corrected image6 label set (26 of 111 v1 labels
+`eval/labels/image6.json` is the corrected image6 label set (26 of 111 v1 labels
 changed; every row carries `v1_label`, `source`, and a `note` where changed).
 `image6-v1-labels-overlay.jpg` shows the v1 labels on the shelf; green = catalog
 label, red = unknown. `sheet.py` regenerates per-SKU contact sheets.
 
 | Step | Command (prefix `E=docs/research/2026-09-28-recognition-architecture/evidence`) | Produces |
 |---|---|---|
-| Original matcher, both catalogs, full/live/live-with-unscaled-boxes | `.venv/bin/python $E/diag.py --stock stock-lopia-clean --labels $E/image6_v2.json [--live] [--bug] --out $E/run_stock-lopia-clean_<full\|live\|livebug>.pkl` (repeat with `--stock stock-lopia`) | `run_*.pkl` |
+| Original matcher, both catalogs, full/live/live-with-unscaled-boxes | `.venv/bin/python $E/diag.py --stock stock-lopia-clean --labels $E/../../../eval/labels/image6.json [--live] [--bug] --out $E/run_stock-lopia-clean_<full\|live\|livebug>.pkl` (repeat with `--stock stock-lopia`) | `run_*.pkl` |
 | Score them under v1 or v2 labels | `.venv/bin/python $E/analyze.py <labels.json> $E/run_*.pkl` | identity top-1, argmax, current gate |
-| Matcher variants | `.venv/bin/python $E/variants.py --stock stock-lopia-clean --labels $E/image6_v2.json [--live] --scales 200,400 --root --geom affine --out $E/v_ms_root_aff_<full\|live>.pkl` (also `--tmpl-h 250/400`, no flags = raw) | `v_*.pkl` |
+| Matcher variants | `.venv/bin/python $E/variants.py --stock stock-lopia-clean --labels $E/../../../eval/labels/image6.json [--live] --scales 200,400 --root --geom affine --out $E/v_ms_root_aff_<full\|live>.pkl` (also `--tmpl-h 250/400`, no flags = raw) | `v_*.pkl` |
 | Variant ranking + open-set frontier | `.venv/bin/python $E/an2.py $E $(basename -a $E/v_*.pkl)` (`LABELS=image6_v2_lfo.json` for the leave-facing-out runs) | correct at 100/95/90 % precision |
 | Leave-facing-out catalog | `.venv/bin/python $E/lfo_setup.py`, then `variants.py --stock $E/cat_<pack\|full> --labels $E/image6_v2_lfo.json --scales 200,400 --root --geom affine [--live] --out $E/lfo_cat_<pack\|full>_<full\|live>.pkl` | `lfo_*.pkl` |
 | Unrelated-shelf distractors | `YOLO_OFFLINE=1 .venv/bin/python $E/distract.py stock-lopia-clean $E/cat_full` | `distract.pkl` |
@@ -44,7 +44,7 @@ with no arguments raise `IndexError`; neither validates its own usage.
 v1 labels are no longer a file on disk — `eval/labels/image6.json` is the v2
 set. To score a run under v1, rebuild it from the `v1_label` field:
 
-    .venv/bin/python -c "import json;d=json.load(open('$E/image6_v2.json'));\
+    .venv/bin/python -c "import json;d=json.load(open('$E/../../../eval/labels/image6.json'));\
     [f.update(label=f.pop('v1_label')) for f in d['facings']];\
     json.dump(d,open('/tmp/image6_v1.json','w'),ensure_ascii=False)"
 
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/an2.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/an2.py
index 5174adb..598fb29 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/an2.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/an2.py
@@ -1,5 +1,5 @@
 import pickle, json, sys, numpy as np, collections
-import os; S = sys.argv[1]; L = {f['index']: f['label'] for f in json.load(open(f'{S}/' + os.environ.get('LABELS','image6_v2.json')))['facings']}
+import os; S = sys.argv[1]; L = {f['index']: f['label'] for f in json.load(open(f'{S}/' + os.environ.get('LABELS','../../../../eval/labels/image6.json')))['facings']}
 RANK = {
  'inl': lambda e: e['inliers'],
  'inl*col': lambda e: e['inliers'] * (0.25 + e['color']),
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diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/dino_scale.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/dino_scale.py
index 2d963d7..64d7ae4 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/dino_scale.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/dino_scale.py
@@ -16,7 +16,7 @@ for p in sorted(glob.glob('add/*')):
         if min(c.shape[:2])>=40: dis.append((f'd{j}_{os.path.basename(p)}',c))
 random.shuffle(dis)
 D=[(k,g.embed(c)) for k,c in dis]
-L=json.load(open(f'{S}/image6_v2.json')); E={k for k,_ in refs}
+L=json.load(open(f'{S}/../../../../eval/labels/image6.json')); E={k for k,_ in refs}
 Q=[(fc['label'],g.embed(c)) for fc,c in crops('add/image6.jpg',L,True) if fc['label'] in E]
 t=time.perf_counter(); _=g.embed(Q and dis[0][1]); print('embed ms',round((time.perf_counter()-t)*1000,1))
 for N in [0,50,200,len(D)]:
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/fuse_eval.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/fuse_eval.py
index fe2a092..360989a 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/fuse_eval.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/fuse_eval.py
@@ -2,7 +2,7 @@ import sys,os,json,pickle,csv,numpy as np
 S=os.path.dirname(os.path.abspath(__file__)); sys.path.insert(0,S)
 from ocr_fuse import norm,sim  # noqa (module runs OCR of packshots on import; cheap)
 sig=pickle.load(open(f'{S}/sig.pkl','rb')); O=pickle.load(open(f'{S}/ocr.pkl','rb'))
-L={f['index']:f['label'] for f in json.load(open(f'{S}/image6_v2.json'))['facings']}
+L={f['index']:f['label'] for f in json.load(open(f'{S}/../../../../eval/labels/image6.json'))['facings']}
 def conf(ev):
     r=sorted(ev.items(),key=lambda kv:-kv[1]['inliers']*(0.25+kv[1]['color']))
     (k1,e1),(k2,e2)=r[0],r[1]; i1,i2=e1['inliers'],e2['inliers']
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json
deleted file mode 100644
index 70210e3..0000000
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/image6_v2.json
+++ /dev/null
@@ -1,1478 +0,0 @@
-{
- "image": "add/image6.jpg",
- "facings": [
-  {
-   "box": [
-    39,
-    56,
-    143,
-    313
-   ],
-   "label": "sku_l01",
-   "match": 1.0,
-   "index": 0,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l01"
-  },
-  {
-   "box": [
-    147,
-    53,
-    264,
-    318
-   ],
-   "label": "sku_l01",
-   "match": 1.0,
-   "index": 1,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l01"
-  },
-  {
-   "box": [
-    1419,
-    0,
-    1500,
-    107
-   ],
-   "label": "exclude",
-   "match": 1.0,
-   "index": 2,
-   "note": "blurred corner of upper shelf; not identifiable",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l04"
-  },
-  {
-   "box": [
-    270,
-    64,
-    377,
-    322
-   ],
-   "label": "sku_l01",
-   "match": 1.0,
-   "index": 3,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l01"
-  },
-  {
-   "box": [
-    382,
-    72,
-    467,
-    324
-   ],
-   "label": "sku_l01",
-   "match": 0.0,
-   "index": 4,
-   "note": "Egg Care front, same tag run as #0-3",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    472,
-    64,
-    570,
-    328
-   ],
-   "label": "sku_l01",
-   "match": 0.0,
-   "index": 5,
-   "note": "Egg Care front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    575,
-    137,
-    639,
-    330
-   ],
-   "label": "sku_l02",
-   "match": 1.0,
-   "index": 6,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l02"
-  },
-  {
-   "box": [
-    641,
-    126,
-    732,
-    337
-   ],
-   "label": "sku_l02",
-   "match": 1.0,
-   "index": 7,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l02"
-  },
-  {
-   "box": [
-    736,
-    123,
-    817,
-    339
-   ],
-   "label": "sku_l02",
-   "match": 1.0,
-   "index": 8,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l02"
-  },
-  {
-   "box": [
-    822,
-    135,
-    909,
-    345
-   ],
-   "label": "sku_l02",
-   "match": 1.0,
-   "index": 9,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l02"
-  },
-  {
-   "box": [
-    959,
-    160,
-    1044,
-    349
-   ],
-   "label": "sku_l03",
-   "match": 1.0,
-   "index": 10,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l03"
-  },
-  {
-   "box": [
-    1049,
-    158,
-    1138,
-    348
-   ],
-   "label": "sku_l03",
-   "match": 1.0,
-   "index": 11,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l03"
-  },
-  {
-   "box": [
-    1143,
-    144,
-    1228,
-    353
-   ],
-   "label": "sku_l03",
-   "match": 1.0,
-   "index": 12,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l03"
-  },
-  {
-   "box": [
-    1233,
-    147,
-    1352,
-    356
-   ],
-   "label": "sku_l03",
-   "match": 1.0,
-   "index": 13,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l03"
-  },
-  {
-   "box": [
-    1375,
-    152,
-    1475,
-    365
-   ],
-   "label": "sku_l04",
-   "match": 1.0,
-   "index": 14,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l04"
-  },
-  {
-   "box": [
-    1482,
-    155,
-    1500,
-    363
-   ],
-   "label": "exclude",
-   "match": 0.0,
-   "index": 15,
-   "note": "18 px sliver",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    0,
-    472,
-    76,
-    662
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 16,
-   "note": "garlic jar, not mayo",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l05"
-  },
-  {
-   "box": [
-    86,
-    420,
-    163,
-    664
-   ],
-   "label": "sku_l05",
-   "match": 1.0,
-   "index": 17,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l05"
-  },
-  {
-   "box": [
-    167,
-    420,
-    265,
-    662
-   ],
-   "label": "sku_l05",
-   "match": 1.0,
-   "index": 18,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l05"
-  },
-  {
-   "box": [
-    270,
-    426,
-    366,
-    664
-   ],
-   "label": "sku_l05",
-   "match": 1.0,
-   "index": 19,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l05"
-  },
-  {
-   "box": [
-    476,
-    446,
-    571,
-    669
-   ],
-   "label": "sku_l06",
-   "match": 1.0,
-   "index": 20,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l06"
-  },
-  {
-   "box": [
-    583,
-    458,
-    678,
-    672
-   ],
-   "label": "sku_l06",
-   "match": 1.0,
-   "index": 21,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l06"
-  },
-  {
-   "box": [
-    683,
-    454,
-    774,
-    672
-   ],
-   "label": "sku_l06",
-   "match": 0.0,
-   "index": 22,
-   "note": "Fitte front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    778,
-    459,
-    865,
-    675
-   ],
-   "label": "sku_l06",
-   "match": 0.0,
-   "index": 23,
-   "note": "Fitte front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    871,
-    466,
-    945,
-    674
-   ],
-   "label": "sku_l07",
-   "match": 1.0,
-   "index": 24,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l07"
-  },
-  {
-   "box": [
-    949,
-    471,
-    1020,
-    674
-   ],
-   "label": "sku_l07",
-   "match": 1.0,
-   "index": 25,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l07"
-  },
-  {
-   "box": [
-    1024,
-    493,
-    1098,
-    676
-   ],
-   "label": "sku_l07",
-   "match": 1.0,
-   "index": 26,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l07"
-  },
-  {
-   "box": [
-    1103,
-    494,
-    1176,
-    676
-   ],
-   "label": "sku_l07",
-   "match": 0.0,
-   "index": 27,
-   "note": "Lucky Mayonnaise front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1181,
-    499,
-    1245,
-    676
-   ],
-   "label": "sku_l07",
-   "match": 0.0,
-   "index": 28,
-   "note": "Lucky Mayonnaise front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1249,
-    480,
-    1331,
-    676
-   ],
-   "label": "sku_l07",
-   "match": 1.0,
-   "index": 29,
-   "note": "Lucky Mayonnaise front; was l08",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l08"
-  },
-  {
-   "box": [
-    1336,
-    502,
-    1421,
-    682
-   ],
-   "label": "sku_l08",
-   "match": 1.0,
-   "index": 30,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l08"
-  },
-  {
-   "box": [
-    0,
-    751,
-    108,
-    977
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 31,
-   "note": "demi-glace sauce pouch; was l09",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    115,
-    758,
-    193,
-    973
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 32,
-   "note": "demi-glace sauce pouch; was l09",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    199,
-    758,
-    255,
-    971
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 33,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    258,
-    758,
-    352,
-    976
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 34,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    357,
-    761,
-    449,
-    973
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 35,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    452,
-    755,
-    514,
-    972
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 36,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    519,
-    759,
-    608,
-    974
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 37,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    614,
-    759,
-    700,
-    973
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 38,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    704,
-    763,
-    791,
-    973
-   ],
-   "label": "sku_l09",
-   "match": 1.0,
-   "index": 39,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l09"
-  },
-  {
-   "box": [
-    798,
-    765,
-    916,
-    974
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 40,
-   "note": "Kokuuma 65% front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    919,
-    763,
-    973,
-    974
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 41,
-   "note": "Kokuuma 65% partly occluded",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    977,
-    765,
-    1067,
-    974
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 42,
-   "note": "Kokuuma 65% front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1070,
-    762,
-    1134,
-    975
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 43,
-   "note": "Kokuuma 65% partly occluded",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1138,
-    767,
-    1218,
-    973
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 44,
-   "note": "Kokuuma 65% front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1221,
-    768,
-    1281,
-    972
-   ],
-   "label": "sku_l09",
-   "match": 0.0,
-   "index": 45,
-   "note": "Kokuuma 65% partly occluded",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1285,
-    794,
-    1359,
-    972
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 46,
-   "note": "ユーラス 野菜をおいしく食べる旨たれ 380g; possibly what stock.csv calls l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1363,
-    794,
-    1440,
-    973
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 47,
-   "note": "same tare bottle",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1443,
-    794,
-    1500,
-    973
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 48,
-   "note": "same tare bottle, partial",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    191,
-    1060,
-    297,
-    1266
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 49,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    306,
-    1058,
-    436,
-    1260
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 50,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    441,
-    1060,
-    538,
-    1256
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 51,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    542,
-    1060,
-    628,
-    1251
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 52,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    630,
-    1055,
-    680,
-    1249
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 53,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    685,
-    1058,
-    783,
-    1251
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 54,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    789,
-    1056,
-    876,
-    1246
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 55,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    878,
-    1055,
-    968,
-    1246
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 56,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    1044,
-    1054,
-    1113,
-    1248
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 57,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    1114,
-    1051,
-    1196,
-    1247
-   ],
-   "label": "sku_l10",
-   "match": 1.0,
-   "index": 58,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    1199,
-    1050,
-    1280,
-    1247
-   ],
-   "label": "sku_l10",
-   "match": 0.0,
-   "index": 59,
-   "note": "Pure Select mayonnaise front",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1280,
-    1061,
-    1317,
-    1244
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 60,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1319,
-    1068,
-    1389,
-    1240
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 61,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1393,
-    1067,
-    1467,
-    1241
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 62,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1478,
-    1068,
-    1500,
-    1242
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 63,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    64,
-    1142,
-    150,
-    1264
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 64,
-   "note": "Heinz can; was l10",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l10"
-  },
-  {
-   "box": [
-    0,
-    1379,
-    51,
-    1561
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 65,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    60,
-    1374,
-    163,
-    1560
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 66,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    190,
-    1339,
-    296,
-    1562
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 67,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    298,
-    1335,
-    404,
-    1558
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 68,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    421,
-    1333,
-    524,
-    1549
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 69,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    529,
-    1332,
-    626,
-    1546
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 70,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    634,
-    1328,
-    729,
-    1541
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 71,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    734,
-    1326,
-    831,
-    1538
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 72,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    836,
-    1326,
-    924,
-    1535
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 73,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    930,
-    1324,
-    1018,
-    1532
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 74,
-   "source": "v1-confirmed-visual",
-   "v1_label": "sku_l11"
-  },
-  {
-   "box": [
-    1022,
-    1320,
-    1123,
-    1530
-   ],
-   "label": "sku_l11",
-   "match": 1.0,
-   "index": 75,
-   "note": "Kewpie Half front; was l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l12"
-  },
-  {
-   "box": [
-    1190,
-    1331,
-    1262,
-    1521
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 76,
-   "note": "Vegiglet dressing; was l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l12"
-  },
-  {
-   "box": [
-    1266,
-    1337,
-    1334,
-    1516
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 77,
-   "note": "Vegiglet dressing; was l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l12"
-  },
-  {
-   "box": [
-    1337,
-    1335,
-    1403,
-    1514
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 78,
-   "note": "Vegiglet dressing; was l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l12"
-  },
-  {
-   "box": [
-    1409,
-    1336,
-    1475,
-    1511
-   ],
-   "label": "unknown",
-   "match": 1.0,
-   "index": 79,
-   "note": "Vegiglet dressing; was l12",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l12"
-  },
-  {
-   "box": [
-    1480,
-    1327,
-    1500,
-    1514
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 80,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    593,
-    1619,
-    679,
-    1815
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 81,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    683,
-    1617,
-    762,
-    1809
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 82,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    766,
-    1612,
-    839,
-    1806
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 83,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    842,
-    1609,
-    909,
-    1801
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 84,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    910,
-    1607,
-    995,
-    1796
-   ],
-   "label": "unknown",
-   "match": 0.911,
-   "index": 85,
-   "note": "Kewpie Mayonnaise 450g (not catalog); was l03",
-   "source": "visual-audit-2026-09-28",
-   "v1_label": "sku_l03"
-  },
-  {
-   "box": [
-    999,
-    1602,
-    1078,
-    1793
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 86,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1083,
-    1600,
-    1169,
-    1787
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 87,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1173,
-    1595,
-    1269,
-    1783
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 88,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1306,
-    1586,
-    1388,
-    1771
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 89,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1390,
-    1602,
-    1457,
-    1767
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 90,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1461,
-    1601,
-    1499,
-    1769
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 91,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    7,
-    1632,
-    103,
-    1845
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 92,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    107,
-    1630,
-    199,
-    1844
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 93,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    213,
-    1631,
-    313,
-    1834
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 94,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
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-  {
-   "box": [
-    318,
-    1628,
-    405,
-    1829
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 95,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    409,
-    1626,
-    491,
-    1825
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 96,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    494,
-    1622,
-    589,
-    1821
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 97,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1059,
-    1855,
-    1197,
-    2000
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 98,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1216,
-    1839,
-    1309,
-    2000
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 99,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
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-  {
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-    1835,
-    1397,
-    1999
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 100,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    1404,
-    1837,
-    1498,
-    2000
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 101,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
-   "box": [
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-    1918,
-    75,
-    1998
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 102,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
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-    1910,
-    187,
-    1999
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-   "label": "unknown",
-   "match": 0.0,
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-    1897,
-    506,
-    1998
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-   "label": "unknown",
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-   "v1_label": "unknown"
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-    591,
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-   "label": "unknown",
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-   "v1_label": "unknown"
-  },
-  {
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-    1886,
-    786,
-    2000
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 108,
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-   "v1_label": "unknown"
-  },
-  {
-   "box": [
-    790,
-    1882,
-    887,
-    2000
-   ],
-   "label": "unknown",
-   "match": 0.0,
-   "index": 109,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  },
-  {
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-    895,
-    1862,
-    1044,
-    2000
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-   "label": "unknown",
-   "match": 0.0,
-   "index": 110,
-   "source": "v1-confirmed-visual",
-   "v1_label": "unknown"
-  }
- ],
- "version": 2
-}
\ No newline at end of file
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/lfo_setup.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/lfo_setup.py
index 2eba5fc..78c4bd5 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/lfo_setup.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/lfo_setup.py
@@ -4,7 +4,7 @@ image6_v2_lfo.json with those reference facings excluded from scoring.
 Same-photo references make this an optimistic proxy, not a held-out result."""
 import json, cv2, os, shutil, collections
 E = os.path.dirname(os.path.abspath(__file__))
-L = json.load(open(f'{E}/image6_v2.json')); im = cv2.imread('add/image6.jpg')
+L = json.load(open(f'{E}/../../../../eval/labels/image6.json')); im = cv2.imread('add/image6.jpg')
 by = collections.defaultdict(list)
 for f in L['facings']:
     if f['label'] not in ('unknown', 'exclude'): by[f['label']].append(f)
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/ocr_exp.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/ocr_exp.py
index 7b1375a..4469929 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/ocr_exp.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/ocr_exp.py
@@ -3,7 +3,7 @@ sys.path.insert(0,'code'); sys.path.insert(0,os.path.dirname(__file__))
 from ocr import VisionOcr
 from diag import crops
 S=os.path.dirname(__file__)
-L=json.load(open(f'{S}/image6_v2.json'))
+L=json.load(open(f'{S}/../../../../eval/labels/image6.json'))
 # distinguishing tokens per SKU (any hit counts); includes siblings for near-unknowns
 KEY={'sku_l01':['エッグケア','卵を使って'],'sku_l02':['アマニ'],'sku_l03':['からし','Spicy'],'sku_l04':['めんたい'],
 'sku_l05':['ゼロ','ノンコレ'],'sku_l06':['フィッテ','内臓脂肪'],'sku_l07':['ラッキー'],'sku_l08':['PERI','ペリ'],
diff --git a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/scale.py b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/scale.py
index b591da9..9eaefc0 100644
--- a/recognization/docs/research/2026-09-28-recognition-architecture/evidence/scale.py
+++ b/recognization/docs/research/2026-09-28-recognition-architecture/evidence/scale.py
@@ -27,7 +27,7 @@ for p in sorted(glob.glob('add/*')):
         x1,y1,x2,y2=[int(v) for v in b['box']]; c=im[max(0,y1):y2,max(0,x1):x2]
         if min(c.shape[:2])>=40: dis.append((f'd_{os.path.basename(p)}_{j}',c))
 random.shuffle(dis); print('distractor refs available',len(dis))
-L=json.load(open(f'{S}/image6_v2.json')); Q=[(fc,c) for fc,c in crops('add/image6.jpg',L,True) if fc['label']!='exclude' and min(c.shape[:2])>=8]
+L=json.load(open(f'{S}/../../../../eval/labels/image6.json')); Q=[(fc,c) for fc,c in crops('add/image6.jpg',L,True) if fc['label']!='exclude' and min(c.shape[:2])>=8]
 Qf=[(fc['label'],)+feat(c,None) for fc,c in Q]
 bf=cv2.BFMatcher(cv2.NORM_L2)
 def verify(kq,dq,r):