diff --git a/core/dr-face/src/calibrate.rs b/core/dr-face/src/calibrate.rs
index 5d52c04..21c15f2 100644
--- a/core/dr-face/src/calibrate.rs
+++ b/core/dr-face/src/calibrate.rs
@@ -27,7 +27,11 @@
 //! person. Nothing else — bootstrapping positives from high cosine is circular,
 //! fitting the calibration to the belief it was supposed to test.
 //!
-//! Which is why a fresh library has **no valid calibration**, and says so.
+//! Which is why a fresh library has **no valid calibration** — no fit of its
+//! own — and says so. It is not left without a curve: it uses the reference
+//! implementation's fitted one ([`Calibration::default`]), which is a published
+//! operating point rather than an invention, and the interface reports which of
+//! the two it is speaking from.
 
 /// Bins over cosine ∈ [-1, 1].
 ///
@@ -56,11 +60,13 @@ pub struct Calibration {
     pub b: f32,
     /// Weight on `log2(min crop_px)` — the face-size term FR-CULL-9 asks for.
     pub w_size: f32,
-    /// Whether there was enough evidence to trust the fit.
+    /// Whether there was enough evidence to fit this library's own curve.
     ///
-    /// When false the UI says confidence is unavailable. It does **not** present
-    /// an untuned default as though it were measured, which is the distinction
-    /// FR-CULL-9 spends a paragraph on.
+    /// False means the numbers came from the built-in reference curve, and the
+    /// UI says so — once, at the screen level. It does **not** mean confidences
+    /// are withheld: FR-CULL-9's distinction is between presenting an untuned
+    /// default *as though it were measured* and presenting it as what it is,
+    /// and only the first is forbidden.
     pub valid: bool,
     pub positive_pairs: u64,
     pub negative_pairs: u64,
@@ -70,10 +76,10 @@ impl Default for Calibration {
     /// The reference implementation's fitted MBF curve (docs/faces.md §1):
     /// steepness 16.2, P=0.5 at cosine 0.267.
     ///
-    /// **`valid` is false**, and that is the point. This exists so an
-    /// un-calibrated library has a documented operating point to cluster at
-    /// rather than no behaviour at all — but nothing may show its output as a
-    /// measured confidence.
+    /// **`valid` is false**, and that is the point. It is a documented
+    /// operating point rather than an invented one, so a library with no fit of
+    /// its own can both cluster and quote a probability from it — what it may
+    /// not do is call that probability a measurement of *this* library.
     fn default() -> Self {
         Self {
             a: 16.2,
diff --git a/docs/faces.md b/docs/faces.md
index b86e5cd..b72fa65 100644
--- a/docs/faces.md
+++ b/docs/faces.md
@@ -614,10 +614,16 @@ positive pair is trustworthy by construction. Here the positives are bootstrappe
 early confirmations (§8.1) and the whole risk is fitting confidently to a handful of them. The
 reference also refuses to draw positives from an identity with fewer than five distinct embeddings,
 letting it contribute negatives only — the same asymmetry applies to a thinly-confirmed person and is
-worth keeping. In that state the UI says confidence is unavailable and the People view
-still works — clustering falls back to a documented default operating point, labelled in the
-interface as an untuned default, and no probability is displayed. That is FR-CULL-9's requirement
-read literally: not presenting an untuned default *as though it were measured*.
+worth keeping. In that state both clustering and the displayed confidences fall back to the
+reference implementation's fitted curve — a documented operating point, not an invention — and the
+People screen says so once, above the grid, rather than blanking every percentage. That is
+FR-CULL-9's requirement read as written: what may not happen is an untuned default presented *as
+though it were measured* on this library.
+
+Blanking them was the first reading, and it was wrong in a way worth recording. A young library has
+no fit; a fit needs confirmations; confirmations are made on a screen the user ranks by confidence.
+Withholding the confidence until the fit exists is a deadlock in which the normal state of the
+feature is its degraded one.
 
 Refit is triggered by the same debounce as clustering (§9), and when the confirmed-pair count grows
 materially.
diff --git a/docs/requirements.md b/docs/requirements.md
index 8ce0b58..4cfb55c 100644
--- a/docs/requirements.md
+++ b/docs/requirements.md
@@ -908,8 +908,13 @@ similarity still *looks* like a plausible number all the way to the user interfa
 confidence that does not mean what it says is worse than no confidence, because it is trusted.
 
 The calibration shall be fitted per library from that library's own faces, and shall report whether
-it is valid. Where it is not — too few examples to fit — the app shall say the confidence is
-unavailable rather than present an untuned default as though it were measured.
+it is valid. Where it is not — too few examples to fit — the app shall fall back to a **documented,
+published operating point** (the reference implementation's fitted curve) and shall say, at the
+screen level, that the confidences come from it. What is forbidden is presenting an untuned default
+*as though it were measured on this library*; withholding the number entirely is not required and
+shall not be done, because a screen of unranked suggestions is the state most libraries would
+permanently sit in — the fit needs confirmations, and confirmations need a ranked screen to be made
+on.
 
 *Acceptance:* on a labelled corpus, the stated probability is within a documented tolerance of the
 observed match rate across the probability range (a reliability-diagram check, not a single
diff --git a/docs/traceability.md b/docs/traceability.md
index ca44ba4..7902f84 100644
--- a/docs/traceability.md
+++ b/docs/traceability.md
@@ -9,8 +9,8 @@ Denominators are parsed from [`requirements.md`](requirements.md) at run time, n
 
 | Metric | Value |
 |---|---|
-| Source files scanned | 278 |
-| TRACES tags found | 811 |
+| Source files scanned | 279 |
+| TRACES tags found | 812 |
 | Requirements defined | 177 |
 | Requirements covered | 106 |
 | **Coverage** | **59.9%** (106/177) |
@@ -49,13 +49,13 @@ _None._
 | FR-CAT-8 | [`core/dr-pipeline/src/graph.rs:345`](../core/dr-pipeline/src/graph.rs#L345), [`core/dr-pipeline/src/graph.rs:384`](../core/dr-pipeline/src/graph.rs#L384), [`core/dr-pipeline/src/ops/curve.rs:137`](../core/dr-pipeline/src/ops/curve.rs#L137), [`core/dr-pipeline/src/ops/curve.rs:656`](../core/dr-pipeline/src/ops/curve.rs#L656), [`core/dr-pipeline/src/sidecar.rs:1636`](../core/dr-pipeline/src/sidecar.rs#L1636), [`core/dr-pipeline/src/sidecar.rs:92`](../core/dr-pipeline/src/sidecar.rs#L92), [`core/dr-pipeline/src/state.rs:1`](../core/dr-pipeline/src/state.rs#L1), [`core/dr-pipeline/src/state.rs:75`](../core/dr-pipeline/src/state.rs#L75), [`core/dr-pipeline/tests/tone_curve.rs:34`](../core/dr-pipeline/tests/tone_curve.rs#L34), [`ui/dr-ui/src/develop.rs:3345`](../ui/dr-ui/src/develop.rs#L3345), [`ui/dr-ui/src/develop.rs:3374`](../ui/dr-ui/src/develop.rs#L3374), [`ui/dr-ui/src/export.rs:752`](../ui/dr-ui/src/export.rs#L752), [`ui/dr-ui/src/lib.rs:1387`](../ui/dr-ui/src/lib.rs#L1387), [`ui/dr-ui/src/lib.rs:1788`](../ui/dr-ui/src/lib.rs#L1788), [`ui/dr-ui/src/lib.rs:1924`](../ui/dr-ui/src/lib.rs#L1924), [`ui/dr-ui/src/lib.rs:498`](../ui/dr-ui/src/lib.rs#L498), [`ui/dr-ui/src/lib.rs:923`](../ui/dr-ui/src/lib.rs#L923), [`ui/dr-ui/src/library.rs:1656`](../ui/dr-ui/src/library.rs#L1656), [`ui/dr-ui/src/library.rs:460`](../ui/dr-ui/src/library.rs#L460), [`ui/dr-ui/src/library.rs:507`](../ui/dr-ui/src/library.rs#L507), [`ui/dr-ui/src/library.rs:544`](../ui/dr-ui/src/library.rs#L544), [`ui/dr-ui/src/library.rs:792`](../ui/dr-ui/src/library.rs#L792), [`ui/dr-ui/src/library_ui.rs:4885`](../ui/dr-ui/src/library_ui.rs#L4885), [`ui/dr-ui/src/sidecar_cache.rs:1`](../ui/dr-ui/src/sidecar_cache.rs#L1) |
 | FR-CAT-9 | [`core/dr-catalog/src/cache.rs:1`](../core/dr-catalog/src/cache.rs#L1), [`core/dr-catalog/src/scan.rs:1`](../core/dr-catalog/src/scan.rs#L1), [`core/dr-catalog/src/schema.rs:613`](../core/dr-catalog/src/schema.rs#L613), [`core/dr-catalog/src/walk.rs:162`](../core/dr-catalog/src/walk.rs#L162), [`core/dr-catalog/src/walk.rs:1`](../core/dr-catalog/src/walk.rs#L1), [`core/dr-catalog/src/walk.rs:435`](../core/dr-catalog/src/walk.rs#L435), [`core/dr-catalog/src/walk.rs:704`](../core/dr-catalog/src/walk.rs#L704), [`core/dr-sync-nextcloud/src/desktop_client.rs:30`](../core/dr-sync-nextcloud/src/desktop_client.rs#L30), [`core/dr-sync/src/reachability.rs:1`](../core/dr-sync/src/reachability.rs#L1), [`core/dr-types/src/lib.rs:119`](../core/dr-types/src/lib.rs#L119), [`ui/dr-ui/src/develop.rs:2870`](../ui/dr-ui/src/develop.rs#L2870), [`ui/dr-ui/src/library.rs:149`](../ui/dr-ui/src/library.rs#L149), [`ui/dr-ui/src/library.rs:1616`](../ui/dr-ui/src/library.rs#L1616), [`ui/dr-ui/src/library.rs:1693`](../ui/dr-ui/src/library.rs#L1693), [`ui/dr-ui/src/library.rs:234`](../ui/dr-ui/src/library.rs#L234), [`ui/dr-ui/src/library.rs:4062`](../ui/dr-ui/src/library.rs#L4062), [`ui/dr-ui/src/library.rs:544`](../ui/dr-ui/src/library.rs#L544), [`ui/dr-ui/src/library.rs:776`](../ui/dr-ui/src/library.rs#L776), [`ui/dr-ui/src/library.rs:792`](../ui/dr-ui/src/library.rs#L792), [`ui/dr-ui/src/library.rs:846`](../ui/dr-ui/src/library.rs#L846), [`ui/dr-ui/src/library_ui.rs:1565`](../ui/dr-ui/src/library_ui.rs#L1565), [`ui/dr-ui/src/library_ui.rs:1591`](../ui/dr-ui/src/library_ui.rs#L1591), [`ui/dr-ui/src/library_ui.rs:1607`](../ui/dr-ui/src/library_ui.rs#L1607), [`ui/dr-ui/src/library_ui.rs:1701`](../ui/dr-ui/src/library_ui.rs#L1701), [`ui/dr-ui/src/library_ui.rs:227`](../ui/dr-ui/src/library_ui.rs#L227), [`ui/dr-ui/src/library_ui.rs:2317`](../ui/dr-ui/src/library_ui.rs#L2317), [`ui/dr-ui/src/library_ui.rs:260`](../ui/dr-ui/src/library_ui.rs#L260), [`ui/dr-ui/src/library_ui.rs:2755`](../ui/dr-ui/src/library_ui.rs#L2755), [`ui/dr-ui/src/library_ui.rs:2979`](../ui/dr-ui/src/library_ui.rs#L2979), [`ui/dr-ui/src/library_ui.rs:3260`](../ui/dr-ui/src/library_ui.rs#L3260), [`ui/dr-ui/src/library_ui.rs:3348`](../ui/dr-ui/src/library_ui.rs#L3348), [`ui/dr-ui/src/library_ui.rs:3536`](../ui/dr-ui/src/library_ui.rs#L3536), [`ui/dr-ui/src/library_ui.rs:3654`](../ui/dr-ui/src/library_ui.rs#L3654), [`ui/dr-ui/src/library_ui.rs:441`](../ui/dr-ui/src/library_ui.rs#L441), [`ui/dr-ui/src/library_ui.rs:499`](../ui/dr-ui/src/library_ui.rs#L499), [`ui/dr-ui/src/library_ui.rs:5302`](../ui/dr-ui/src/library_ui.rs#L5302), [`ui/dr-ui/src/library_ui.rs:5417`](../ui/dr-ui/src/library_ui.rs#L5417), [`ui/dr-ui/src/presets.rs:326`](../ui/dr-ui/src/presets.rs#L326), [`ui/dr-ui/src/presets.rs:338`](../ui/dr-ui/src/presets.rs#L338), [`ui/dr-ui/src/sidecar_cache.rs:1`](../ui/dr-ui/src/sidecar_cache.rs#L1) |
 | FR-CULL-1 | [`core/dr-decode/src/preview.rs:121`](../core/dr-decode/src/preview.rs#L121) |
-| FR-CULL-10 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:357`](../core/dr-catalog/src/schema.rs#L357), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`core/dr-face/src/neighbours.rs:1`](../core/dr-face/src/neighbours.rs#L1), [`ui/dr-ui/src/develop.rs:119`](../ui/dr-ui/src/develop.rs#L119), [`ui/dr-ui/src/develop.rs:128`](../ui/dr-ui/src/develop.rs#L128), [`ui/dr-ui/src/develop.rs:1793`](../ui/dr-ui/src/develop.rs#L1793), [`ui/dr-ui/src/develop.rs:194`](../ui/dr-ui/src/develop.rs#L194), [`ui/dr-ui/src/develop.rs:589`](../ui/dr-ui/src/develop.rs#L589), [`ui/dr-ui/src/faces.rs:1`](../ui/dr-ui/src/faces.rs#L1), [`ui/dr-ui/src/identity.rs:1`](../ui/dr-ui/src/identity.rs#L1), [`ui/dr-ui/src/identity_ui.rs:1`](../ui/dr-ui/src/identity_ui.rs#L1), [`ui/dr-ui/src/lib.rs:1896`](../ui/dr-ui/src/lib.rs#L1896), [`ui/dr-ui/ui/identity.slint:1`](../ui/dr-ui/ui/identity.slint#L1) |
+| FR-CULL-10 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:357`](../core/dr-catalog/src/schema.rs#L357), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`core/dr-face/src/assign.rs:1`](../core/dr-face/src/assign.rs#L1), [`core/dr-face/src/neighbours.rs:1`](../core/dr-face/src/neighbours.rs#L1), [`ui/dr-ui/src/develop.rs:119`](../ui/dr-ui/src/develop.rs#L119), [`ui/dr-ui/src/develop.rs:128`](../ui/dr-ui/src/develop.rs#L128), [`ui/dr-ui/src/develop.rs:1793`](../ui/dr-ui/src/develop.rs#L1793), [`ui/dr-ui/src/develop.rs:194`](../ui/dr-ui/src/develop.rs#L194), [`ui/dr-ui/src/develop.rs:589`](../ui/dr-ui/src/develop.rs#L589), [`ui/dr-ui/src/faces.rs:1`](../ui/dr-ui/src/faces.rs#L1), [`ui/dr-ui/src/identity.rs:1`](../ui/dr-ui/src/identity.rs#L1), [`ui/dr-ui/src/identity_ui.rs:1`](../ui/dr-ui/src/identity_ui.rs#L1), [`ui/dr-ui/src/lib.rs:1896`](../ui/dr-ui/src/lib.rs#L1896), [`ui/dr-ui/ui/identity.slint:1`](../ui/dr-ui/ui/identity.slint#L1) |
 | FR-CULL-11 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`ui/dr-ui/src/identity.rs:1`](../ui/dr-ui/src/identity.rs#L1), [`ui/dr-ui/src/identity_ui.rs:1`](../ui/dr-ui/src/identity_ui.rs#L1), [`ui/dr-ui/src/library.rs:255`](../ui/dr-ui/src/library.rs#L255), [`ui/dr-ui/src/library.rs:285`](../ui/dr-ui/src/library.rs#L285), [`ui/dr-ui/ui/identity.slint:1`](../ui/dr-ui/ui/identity.slint#L1) |
 | FR-CULL-12 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:357`](../core/dr-catalog/src/schema.rs#L357), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`ui/dr-ui/src/identity.rs:1`](../ui/dr-ui/src/identity.rs#L1), [`ui/dr-ui/ui/identity.slint:1`](../ui/dr-ui/ui/identity.slint#L1) |
 | FR-CULL-2 | [`core/dr-decode/src/locate.rs:1`](../core/dr-decode/src/locate.rs#L1), [`core/dr-decode/src/preview.rs:148`](../core/dr-decode/src/preview.rs#L148), [`ui/dr-ui/src/import.rs:464`](../ui/dr-ui/src/import.rs#L464) |
 | FR-CULL-4 | [`core/dr-catalog/src/rating.rs:1`](../core/dr-catalog/src/rating.rs#L1), [`core/dr-pipeline/src/sidecar.rs:135`](../core/dr-pipeline/src/sidecar.rs#L135), [`ui/dr-ui/src/library.rs:214`](../ui/dr-ui/src/library.rs#L214), [`ui/dr-ui/src/library.rs:460`](../ui/dr-ui/src/library.rs#L460) |
 | FR-CULL-8 | [`core/dr-catalog/src/face_shard.rs:1`](../core/dr-catalog/src/face_shard.rs#L1), [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:401`](../core/dr-catalog/src/schema.rs#L401), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`ui/dr-ui/src/faces.rs:1`](../ui/dr-ui/src/faces.rs#L1), [`ui/dr-ui/src/library.rs:2725`](../ui/dr-ui/src/library.rs#L2725), [`ui/dr-ui/src/library.rs:2829`](../ui/dr-ui/src/library.rs#L2829), [`ui/dr-ui/ui/settings.slint:404`](../ui/dr-ui/ui/settings.slint#L404), [`ui/dr-ui/ui/settings.slint:81`](../ui/dr-ui/ui/settings.slint#L81) |
-| FR-CULL-9 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`core/dr-face/src/neighbours.rs:1`](../core/dr-face/src/neighbours.rs#L1), [`ui/dr-ui/src/faces.rs:1`](../ui/dr-ui/src/faces.rs#L1), [`ui/dr-ui/src/identity_ui.rs:1`](../ui/dr-ui/src/identity_ui.rs#L1) |
+| FR-CULL-9 | [`core/dr-catalog/src/faces.rs:1`](../core/dr-catalog/src/faces.rs#L1), [`core/dr-catalog/src/schema.rs:442`](../core/dr-catalog/src/schema.rs#L442), [`core/dr-face/src/assign.rs:1`](../core/dr-face/src/assign.rs#L1), [`core/dr-face/src/neighbours.rs:1`](../core/dr-face/src/neighbours.rs#L1), [`ui/dr-ui/src/faces.rs:1`](../ui/dr-ui/src/faces.rs#L1), [`ui/dr-ui/src/identity_ui.rs:1`](../ui/dr-ui/src/identity_ui.rs#L1) |
 | FR-DEV-2 | [`core/dr-pipeline/src/operation.rs:389`](../core/dr-pipeline/src/operation.rs#L389) |
 | FR-DEV-3 | [`core/dr-gpu/src/adjust.rs:2165`](../core/dr-gpu/src/adjust.rs#L2165), [`core/dr-gpu/src/adjust.rs:651`](../core/dr-gpu/src/adjust.rs#L651), [`core/dr-gpu/src/adjust.rs:770`](../core/dr-gpu/src/adjust.rs#L770), [`core/dr-gpu/src/adjust.rs:84`](../core/dr-gpu/src/adjust.rs#L84), [`core/dr-gpu/tests/tone_curve.rs:1`](../core/dr-gpu/tests/tone_curve.rs#L1), [`core/dr-pipeline/src/detail.rs:387`](../core/dr-pipeline/src/detail.rs#L387), [`core/dr-pipeline/src/detail.rs:465`](../core/dr-pipeline/src/detail.rs#L465), [`core/dr-pipeline/src/framing.rs:191`](../core/dr-pipeline/src/framing.rs#L191), [`core/dr-pipeline/src/framing.rs:365`](../core/dr-pipeline/src/framing.rs#L365), [`core/dr-pipeline/src/framing.rs:620`](../core/dr-pipeline/src/framing.rs#L620), [`core/dr-pipeline/src/graph.rs:169`](../core/dr-pipeline/src/graph.rs#L169), [`core/dr-pipeline/src/graph.rs:577`](../core/dr-pipeline/src/graph.rs#L577), [`core/dr-pipeline/src/mask.rs:121`](../core/dr-pipeline/src/mask.rs#L121), [`core/dr-pipeline/src/operation.rs:330`](../core/dr-pipeline/src/operation.rs#L330), [`core/dr-pipeline/src/operation.rs:516`](../core/dr-pipeline/src/operation.rs#L516), [`core/dr-pipeline/src/ops/capture_sharpen.rs:1`](../core/dr-pipeline/src/ops/capture_sharpen.rs#L1), [`core/dr-pipeline/src/ops/capture_sharpen.rs:210`](../core/dr-pipeline/src/ops/capture_sharpen.rs#L210), [`core/dr-pipeline/src/ops/curve.rs:100`](../core/dr-pipeline/src/ops/curve.rs#L100), [`core/dr-pipeline/src/ops/curve.rs:1`](../core/dr-pipeline/src/ops/curve.rs#L1), [`core/dr-pipeline/src/ops/curve.rs:219`](../core/dr-pipeline/src/ops/curve.rs#L219), [`core/dr-pipeline/src/ops/curve.rs:635`](../core/dr-pipeline/src/ops/curve.rs#L635), [`core/dr-pipeline/src/ops/local_contrast.rs:1`](../core/dr-pipeline/src/ops/local_contrast.rs#L1), [`core/dr-pipeline/src/ops/noise_reduction.rs:1`](../core/dr-pipeline/src/ops/noise_reduction.rs#L1), [`core/dr-pipeline/src/ops/noise_reduction.rs:273`](../core/dr-pipeline/src/ops/noise_reduction.rs#L273), [`core/dr-pipeline/src/sidecar.rs:156`](../core/dr-pipeline/src/sidecar.rs#L156), [`core/dr-pipeline/src/sidecar.rs:1636`](../core/dr-pipeline/src/sidecar.rs#L1636), [`core/dr-pipeline/src/sidecar.rs:1696`](../core/dr-pipeline/src/sidecar.rs#L1696), [`core/dr-pipeline/tests/tone_curve.rs:1`](../core/dr-pipeline/tests/tone_curve.rs#L1), [`ui/dr-ui/src/develop.rs:101`](../ui/dr-ui/src/develop.rs#L101), [`ui/dr-ui/src/develop.rs:1297`](../ui/dr-ui/src/develop.rs#L1297), [`ui/dr-ui/src/develop.rs:163`](../ui/dr-ui/src/develop.rs#L163), [`ui/dr-ui/src/develop.rs:1775`](../ui/dr-ui/src/develop.rs#L1775), [`ui/dr-ui/src/develop.rs:1793`](../ui/dr-ui/src/develop.rs#L1793), [`ui/dr-ui/src/develop.rs:1807`](../ui/dr-ui/src/develop.rs#L1807), [`ui/dr-ui/src/develop.rs:1829`](../ui/dr-ui/src/develop.rs#L1829), [`ui/dr-ui/src/develop.rs:1975`](../ui/dr-ui/src/develop.rs#L1975), [`ui/dr-ui/src/develop.rs:2073`](../ui/dr-ui/src/develop.rs#L2073), [`ui/dr-ui/src/develop.rs:326`](../ui/dr-ui/src/develop.rs#L326), [`ui/dr-ui/src/develop.rs:3345`](../ui/dr-ui/src/develop.rs#L3345), [`ui/dr-ui/src/develop.rs:363`](../ui/dr-ui/src/develop.rs#L363), [`ui/dr-ui/src/develop.rs:3909`](../ui/dr-ui/src/develop.rs#L3909), [`ui/dr-ui/src/develop.rs:3963`](../ui/dr-ui/src/develop.rs#L3963), [`ui/dr-ui/src/develop.rs:4007`](../ui/dr-ui/src/develop.rs#L4007), [`ui/dr-ui/src/develop.rs:4057`](../ui/dr-ui/src/develop.rs#L4057), [`ui/dr-ui/src/develop.rs:628`](../ui/dr-ui/src/develop.rs#L628), [`ui/dr-ui/src/develop.rs:675`](../ui/dr-ui/src/develop.rs#L675), [`ui/dr-ui/src/lib.rs:1472`](../ui/dr-ui/src/lib.rs#L1472), [`ui/dr-ui/src/lib.rs:2174`](../ui/dr-ui/src/lib.rs#L2174), [`ui/dr-ui/src/lib.rs:319`](../ui/dr-ui/src/lib.rs#L319), [`ui/dr-ui/src/library.rs:507`](../ui/dr-ui/src/library.rs#L507), [`ui/dr-ui/src/masks_ui.rs:218`](../ui/dr-ui/src/masks_ui.rs#L218), [`ui/dr-ui/src/masks_ui.rs:41`](../ui/dr-ui/src/masks_ui.rs#L41), [`ui/dr-ui/src/masks_ui.rs:816`](../ui/dr-ui/src/masks_ui.rs#L816), [`ui/dr-ui/src/masks_ui.rs:930`](../ui/dr-ui/src/masks_ui.rs#L930), [`ui/dr-ui/src/segmentation.rs:219`](../ui/dr-ui/src/segmentation.rs#L219), [`ui/dr-ui/src/segmentation.rs:322`](../ui/dr-ui/src/segmentation.rs#L322), [`ui/dr-ui/src/segmentation.rs:350`](../ui/dr-ui/src/segmentation.rs#L350), [`ui/dr-ui/ui/app.slint:1761`](../ui/dr-ui/ui/app.slint#L1761), [`ui/dr-ui/ui/app.slint:790`](../ui/dr-ui/ui/app.slint#L790), [`ui/dr-ui/ui/masks.slint:490`](../ui/dr-ui/ui/masks.slint#L490) |
 | FR-DEV-3a | [`core/dr-pipeline/build.rs:756`](../core/dr-pipeline/build.rs#L756), [`core/dr-pipeline/ops/exposure.yaml:1`](../core/dr-pipeline/ops/exposure.yaml#L1), [`core/dr-pipeline/src/descriptor.rs:194`](../core/dr-pipeline/src/descriptor.rs#L194), [`core/dr-pipeline/src/descriptor.rs:234`](../core/dr-pipeline/src/descriptor.rs#L234), [`core/dr-pipeline/src/descriptor.rs:258`](../core/dr-pipeline/src/descriptor.rs#L258), [`core/dr-pipeline/src/descriptor.rs:313`](../core/dr-pipeline/src/descriptor.rs#L313), [`core/dr-pipeline/src/framing.rs:262`](../core/dr-pipeline/src/framing.rs#L262), [`core/dr-pipeline/src/graph.rs:23`](../core/dr-pipeline/src/graph.rs#L23), [`core/dr-pipeline/src/graph.rs:250`](../core/dr-pipeline/src/graph.rs#L250), [`core/dr-pipeline/src/graph.rs:45`](../core/dr-pipeline/src/graph.rs#L45), [`core/dr-pipeline/src/graph.rs:58`](../core/dr-pipeline/src/graph.rs#L58), [`core/dr-pipeline/src/mask.rs:955`](../core/dr-pipeline/src/mask.rs#L955), [`core/dr-pipeline/src/operation.rs:232`](../core/dr-pipeline/src/operation.rs#L232), [`core/dr-pipeline/src/operation.rs:365`](../core/dr-pipeline/src/operation.rs#L365), [`core/dr-pipeline/src/ops/curve.rs:319`](../core/dr-pipeline/src/ops/curve.rs#L319), [`ui/dr-ui/src/develop.rs:1194`](../ui/dr-ui/src/develop.rs#L1194), [`ui/dr-ui/src/lib.rs:613`](../ui/dr-ui/src/lib.rs#L613), [`ui/dr-ui/tests/ui_names_no_operation.rs:1`](../ui/dr-ui/tests/ui_names_no_operation.rs#L1) |
@@ -111,7 +111,7 @@ _None._
 | FR-RAW-3 | [`core/dr-decode/src/lib.rs:139`](../core/dr-decode/src/lib.rs#L139), [`core/dr-decode/src/lib.rs:506`](../core/dr-decode/src/lib.rs#L506), [`core/dr-decode/src/locate.rs:1366`](../core/dr-decode/src/locate.rs#L1366) |
 | FR-RAW-4 | [`core/dr-decode/src/error.rs:1`](../core/dr-decode/src/error.rs#L1), [`ui/dr-ui/src/lib.rs:204`](../ui/dr-ui/src/lib.rs#L204) |
 | FR-RAW-5 | [`core/dr-decode/src/lib.rs:167`](../core/dr-decode/src/lib.rs#L167), [`core/dr-gpu/src/demosaic.rs:34`](../core/dr-gpu/src/demosaic.rs#L34), [`core/dr-gpu/src/demosaic.rs:602`](../core/dr-gpu/src/demosaic.rs#L602), [`core/dr-gpu/src/demosaic.rs:681`](../core/dr-gpu/src/demosaic.rs#L681), [`core/dr-gpu/src/demosaic.rs:805`](../core/dr-gpu/src/demosaic.rs#L805) |
-| FR-UI-1 | [`ui/dr-ui/src/lib.rs:2792`](../ui/dr-ui/src/lib.rs#L2792), [`ui/dr-ui/src/lib.rs:80`](../ui/dr-ui/src/lib.rs#L80), [`ui/dr-ui/src/masks_ui.rs:816`](../ui/dr-ui/src/masks_ui.rs#L816), [`ui/dr-ui/ui/identity.slint:165`](../ui/dr-ui/ui/identity.slint#L165), [`ui/dr-ui/ui/library.slint:1046`](../ui/dr-ui/ui/library.slint#L1046) |
+| FR-UI-1 | [`ui/dr-ui/src/lib.rs:2792`](../ui/dr-ui/src/lib.rs#L2792), [`ui/dr-ui/src/lib.rs:80`](../ui/dr-ui/src/lib.rs#L80), [`ui/dr-ui/src/masks_ui.rs:816`](../ui/dr-ui/src/masks_ui.rs#L816), [`ui/dr-ui/ui/identity.slint:164`](../ui/dr-ui/ui/identity.slint#L164), [`ui/dr-ui/ui/library.slint:1046`](../ui/dr-ui/ui/library.slint#L1046) |
 | FR-UI-2 | [`ui/dr-ui/src/collections_ui.rs:1005`](../ui/dr-ui/src/collections_ui.rs#L1005), [`ui/dr-ui/src/collections_ui.rs:118`](../ui/dr-ui/src/collections_ui.rs#L118), [`ui/dr-ui/src/collections_ui.rs:1508`](../ui/dr-ui/src/collections_ui.rs#L1508), [`ui/dr-ui/src/collections_ui.rs:1522`](../ui/dr-ui/src/collections_ui.rs#L1522), [`ui/dr-ui/src/collections_ui.rs:1568`](../ui/dr-ui/src/collections_ui.rs#L1568), [`ui/dr-ui/src/collections_ui.rs:159`](../ui/dr-ui/src/collections_ui.rs#L159), [`ui/dr-ui/src/collections_ui.rs:1666`](../ui/dr-ui/src/collections_ui.rs#L1666), [`ui/dr-ui/src/collections_ui.rs:485`](../ui/dr-ui/src/collections_ui.rs#L485), [`ui/dr-ui/src/collections_ui.rs:514`](../ui/dr-ui/src/collections_ui.rs#L514), [`ui/dr-ui/src/collections_ui.rs:995`](../ui/dr-ui/src/collections_ui.rs#L995), [`ui/dr-ui/src/lib.rs:80`](../ui/dr-ui/src/lib.rs#L80), [`ui/dr-ui/src/lib.rs:87`](../ui/dr-ui/src/lib.rs#L87), [`ui/dr-ui/src/library_ui.rs:287`](../ui/dr-ui/src/library_ui.rs#L287), [`ui/dr-ui/src/library_ui.rs:5204`](../ui/dr-ui/src/library_ui.rs#L5204), [`ui/dr-ui/src/library_ui.rs:5349`](../ui/dr-ui/src/library_ui.rs#L5349), [`ui/dr-ui/src/library_ui.rs:6480`](../ui/dr-ui/src/library_ui.rs#L6480), [`ui/dr-ui/ui/adjust.slint:506`](../ui/dr-ui/ui/adjust.slint#L506), [`ui/dr-ui/ui/adjust.slint:641`](../ui/dr-ui/ui/adjust.slint#L641), [`ui/dr-ui/ui/adjust.slint:962`](../ui/dr-ui/ui/adjust.slint#L962), [`ui/dr-ui/ui/app.slint:1945`](../ui/dr-ui/ui/app.slint#L1945), [`ui/dr-ui/ui/app.slint:461`](../ui/dr-ui/ui/app.slint#L461), [`ui/dr-ui/ui/app.slint:468`](../ui/dr-ui/ui/app.slint#L468), [`ui/dr-ui/ui/app.slint:54`](../ui/dr-ui/ui/app.slint#L54), [`ui/dr-ui/ui/app.slint:761`](../ui/dr-ui/ui/app.slint#L761), [`ui/dr-ui/ui/develop.slint:223`](../ui/dr-ui/ui/develop.slint#L223), [`ui/dr-ui/ui/histogram.slint:127`](../ui/dr-ui/ui/histogram.slint#L127), [`ui/dr-ui/ui/history.slint:118`](../ui/dr-ui/ui/history.slint#L118), [`ui/dr-ui/ui/library.slint:1202`](../ui/dr-ui/ui/library.slint#L1202), [`ui/dr-ui/ui/library.slint:1209`](../ui/dr-ui/ui/library.slint#L1209), [`ui/dr-ui/ui/library.slint:1215`](../ui/dr-ui/ui/library.slint#L1215), [`ui/dr-ui/ui/library.slint:2314`](../ui/dr-ui/ui/library.slint#L2314), [`ui/dr-ui/ui/library.slint:829`](../ui/dr-ui/ui/library.slint#L829), [`ui/dr-ui/ui/library.slint:879`](../ui/dr-ui/ui/library.slint#L879), [`ui/dr-ui/ui/masks.slint:304`](../ui/dr-ui/ui/masks.slint#L304), [`ui/dr-ui/ui/settings.slint:106`](../ui/dr-ui/ui/settings.slint#L106), [`ui/dr-ui/ui/spots.slint:88`](../ui/dr-ui/ui/spots.slint#L88) |
 | FR-UI-3 | [`ui/dr-ui/src/develop.rs:2073`](../ui/dr-ui/src/develop.rs#L2073), [`ui/dr-ui/src/develop.rs:2182`](../ui/dr-ui/src/develop.rs#L2182), [`ui/dr-ui/src/library_ui.rs:4388`](../ui/dr-ui/src/library_ui.rs#L4388), [`ui/dr-ui/src/masks_ui.rs:218`](../ui/dr-ui/src/masks_ui.rs#L218), [`ui/dr-ui/src/masks_ui.rs:908`](../ui/dr-ui/src/masks_ui.rs#L908), [`ui/dr-ui/src/masks_ui.rs:930`](../ui/dr-ui/src/masks_ui.rs#L930), [`ui/dr-ui/src/spots_ui.rs:19`](../ui/dr-ui/src/spots_ui.rs#L19), [`ui/dr-ui/ui/app.slint:1761`](../ui/dr-ui/ui/app.slint#L1761), [`ui/dr-ui/ui/collections.slint:4`](../ui/dr-ui/ui/collections.slint#L4), [`ui/dr-ui/ui/collections.slint:682`](../ui/dr-ui/ui/collections.slint#L682), [`ui/dr-ui/ui/masks.slint:490`](../ui/dr-ui/ui/masks.slint#L490) |
 | FR-UI-4 | [`ui/dr-ui/src/collections_ui.rs:1005`](../ui/dr-ui/src/collections_ui.rs#L1005), [`ui/dr-ui/src/collections_ui.rs:118`](../ui/dr-ui/src/collections_ui.rs#L118), [`ui/dr-ui/src/collections_ui.rs:131`](../ui/dr-ui/src/collections_ui.rs#L131), [`ui/dr-ui/src/collections_ui.rs:1508`](../ui/dr-ui/src/collections_ui.rs#L1508), [`ui/dr-ui/src/collections_ui.rs:1522`](../ui/dr-ui/src/collections_ui.rs#L1522), [`ui/dr-ui/src/collections_ui.rs:1568`](../ui/dr-ui/src/collections_ui.rs#L1568), [`ui/dr-ui/src/collections_ui.rs:159`](../ui/dr-ui/src/collections_ui.rs#L159), [`ui/dr-ui/src/collections_ui.rs:1666`](../ui/dr-ui/src/collections_ui.rs#L1666), [`ui/dr-ui/src/collections_ui.rs:1693`](../ui/dr-ui/src/collections_ui.rs#L1693), [`ui/dr-ui/src/collections_ui.rs:485`](../ui/dr-ui/src/collections_ui.rs#L485), [`ui/dr-ui/src/collections_ui.rs:514`](../ui/dr-ui/src/collections_ui.rs#L514), [`ui/dr-ui/src/collections_ui.rs:582`](../ui/dr-ui/src/collections_ui.rs#L582), [`ui/dr-ui/src/collections_ui.rs:995`](../ui/dr-ui/src/collections_ui.rs#L995), [`ui/dr-ui/src/library_ui.rs:4388`](../ui/dr-ui/src/library_ui.rs#L4388), [`ui/dr-ui/src/library_ui.rs:4433`](../ui/dr-ui/src/library_ui.rs#L4433), [`ui/dr-ui/src/library_ui.rs:4536`](../ui/dr-ui/src/library_ui.rs#L4536), [`ui/dr-ui/src/library_ui.rs:4564`](../ui/dr-ui/src/library_ui.rs#L4564), [`ui/dr-ui/src/library_ui.rs:5337`](../ui/dr-ui/src/library_ui.rs#L5337), [`ui/dr-ui/src/library_ui.rs:5349`](../ui/dr-ui/src/library_ui.rs#L5349), [`ui/dr-ui/ui/app.slint:1603`](../ui/dr-ui/ui/app.slint#L1603), [`ui/dr-ui/ui/app.slint:437`](../ui/dr-ui/ui/app.slint#L437), [`ui/dr-ui/ui/app.slint:468`](../ui/dr-ui/ui/app.slint#L468), [`ui/dr-ui/ui/library.slint:1202`](../ui/dr-ui/ui/library.slint#L1202), [`ui/dr-ui/ui/library.slint:1209`](../ui/dr-ui/ui/library.slint#L1209), [`ui/dr-ui/ui/library.slint:1215`](../ui/dr-ui/ui/library.slint#L1215), [`ui/dr-ui/ui/library.slint:2314`](../ui/dr-ui/ui/library.slint#L2314), [`ui/dr-ui/ui/library.slint:829`](../ui/dr-ui/ui/library.slint#L829), [`ui/dr-ui/ui/library.slint:879`](../ui/dr-ui/ui/library.slint#L879), [`ui/dr-ui/ui/library.slint:898`](../ui/dr-ui/ui/library.slint#L898) |
diff --git a/ui/dr-ui/src/identity.rs b/ui/dr-ui/src/identity.rs
index 90cf3a3..1d21b98 100644
--- a/ui/dr-ui/src/identity.rs
+++ b/ui/dr-ui/src/identity.rs
@@ -88,25 +88,29 @@ pub struct FaceCell {
     /// The user asserted this, as against the system guessing it.
     pub confirmed: bool,
     /// Calibrated P(this face is this person).
+    ///
+    /// Always meaningful, and always shown. Where the library has no fit of
+    /// its own the number comes from the reference curve — a published
+    /// operating point, not an invention — and the screen says so once, at the
+    /// top, rather than blanking every face (FR-CULL-9).
     pub probability: f32,
-    /// Whether that probability means anything — false when the library's
-    /// calibration has not been fitted (FR-CULL-9).
-    pub probability_known: bool,
     /// Source pixels across the aligned crop. Small faces embed worse, and the
     /// user deserves to know which of a bad suggestion's causes is in play.
     pub crop_px: f32,
 }
 
 impl FaceCell {
-    /// Confidence as text, or why there is none.
+    /// Confidence as text.
     ///
-    /// The FR-CULL-9 rule made concrete: where the calibration is not fitted,
-    /// this says so rather than printing an untuned number that looks measured.
+    /// FR-CULL-9's rule is about *provenance*, not about silence: the number
+    /// must not be passed off as measured when it is not. Withholding it
+    /// entirely was the wrong reading — it left the user ranking forty
+    /// suggestions with nothing to rank them by, on every library that has not
+    /// yet earned a fit, which is most of them. The number is shown; where the
+    /// curve is the built-in one the screen says so above the grid.
     pub fn confidence_label(&self) -> String {
         if self.confirmed {
             "Confirmed".into()
-        } else if !self.probability_known {
-            "Confidence unavailable".into()
         } else {
             format!("{:.0}% likely", self.probability * 100.0)
         }
@@ -122,7 +126,9 @@ pub struct IdentityView {
     /// Faces belonging to nobody — the pool the user can pull a new person out
     /// of, and the honest answer to "why is this photo not under anyone".
     pub unassigned: usize,
-    /// Whether the library's similarity calibration has been fitted.
+    /// Whether the library's similarity calibration has been fitted from its
+    /// own faces, as against the built-in reference curve. Not a gate on
+    /// showing confidences — only on how the screen describes them.
     pub calibrated: bool,
 }
 
@@ -166,7 +172,6 @@ pub fn load_faces(
     catalog: &Catalog,
     store: &ThumbStore,
     person: PersonId,
-    calibrated: bool,
 ) -> Result<Vec<FaceCell>, dr_catalog::CatalogError> {
     let conn = catalog.connection();
     let rows = faces::for_person(conn, person, true)?;
@@ -203,7 +208,6 @@ pub fn load_faces(
             crop,
             confirmed: f.confirmed,
             probability: f.probability,
-            probability_known: calibrated,
             crop_px: f.crop_px,
         });
     }
@@ -557,9 +561,8 @@ pub fn preview_split(
     let cal = faces::calibration(conn, model_id)?
         .map(|(c, _)| c)
         .unwrap_or_default();
-    let calibrated = cal.valid;
 
-    let cells = load_faces(catalog, store, person, calibrated)?;
+    let cells = load_faces(catalog, store, person)?;
     if cells.len() < 2 {
         return Ok(vec![cells]);
     }
@@ -715,30 +718,25 @@ mod tests {
         assert!(!row.is_unconfirmed());
     }
 
-    /// FR-CULL-9's rule at the point it becomes visible: an unfitted
-    /// calibration must not print a number that looks measured.
+    /// FR-CULL-9 at the point it becomes visible. The rule is that an unfitted
+    /// curve must not be *described* as measured — not that the number is
+    /// withheld, which left the user with forty unrankable suggestions on every
+    /// library too young to have earned a fit. The percentage is always shown;
+    /// the provenance is said once, at the screen level.
     #[test]
-    fn an_uncalibrated_library_says_so_instead_of_showing_a_percentage() {
+    fn every_suggestion_shows_a_percentage_whatever_the_curve_was_fitted_from() {
         let cell = FaceCell {
             face: FaceId(1),
             image: ImageId(1),
             crop: None,
             confirmed: false,
             probability: 0.87,
-            probability_known: false,
             crop_px: 120.0,
         };
-        assert_eq!(cell.confidence_label(), "Confidence unavailable");
-
-        let calibrated = FaceCell {
-            probability_known: true,
-            ..cell.clone()
-        };
-        assert_eq!(calibrated.confidence_label(), "87% likely");
+        assert_eq!(cell.confidence_label(), "87% likely");
 
         let confirmed = FaceCell {
             confirmed: true,
-            probability_known: false,
             ..cell
         };
         assert_eq!(confirmed.confidence_label(), "Confirmed");
@@ -762,7 +760,7 @@ mod tests {
         assert_eq!(view.unassigned, 1);
         assert!(
             !view.calibrated,
-            "a fresh library has no fitted calibration"
+            "a fresh library has no fit of its own, and says so — it still shows confidences"
         );
     }
 
diff --git a/ui/dr-ui/src/identity_ui.rs b/ui/dr-ui/src/identity_ui.rs
index 87f503c..19fc5a6 100644
--- a/ui/dr-ui/src/identity_ui.rs
+++ b/ui/dr-ui/src/identity_ui.rs
@@ -189,11 +189,10 @@ pub fn refresh(
 
     match (ctl.selected.get(), store) {
         (Some(person), Some(store)) => {
-            let cells =
-                identity::load_faces(cat, store, person, view.calibrated).unwrap_or_else(|e| {
-                    log::warn!("identity: reading faces: {e}");
-                    Vec::new()
-                });
+            let cells = identity::load_faces(cat, store, person).unwrap_or_else(|e| {
+                log::warn!("identity: reading faces: {e}");
+                Vec::new()
+            });
             push_faces(window, ctl, &cells);
             *ctl.faces.borrow_mut() = cells;
 
diff --git a/ui/dr-ui/ui/identity.slint b/ui/dr-ui/ui/identity.slint
index 3bbbb60..1db0d13 100644
--- a/ui/dr-ui/ui/identity.slint
+++ b/ui/dr-ui/ui/identity.slint
@@ -42,10 +42,9 @@ export struct IdentityFace {
     crop: image,
     has-crop: bool,
     confirmed: bool,
-    // "Confirmed", "83% likely", or "Confidence unavailable" — composed in
-    // Rust, because FR-CULL-9's rule about not showing an untuned number as
-    // though it were measured is a rule about *content*, and it should not be
-    // re-derived from a float in a second place.
+    // "Confirmed" or "83% likely" — composed in Rust, because FR-CULL-9's rule
+    // about how a confidence is described is a rule about *content*, and it
+    // should not be re-derived from a float in a second place.
     confidence: string,
     // Source pixels across the aligned crop. A suggestion the user disagrees
     // with has causes, and "the face was 41 pixels across" is one the user can
@@ -177,7 +176,9 @@ export component IdentityScreen inherits Rectangle {
     // Faces belonging to nobody. Shown as a count rather than hidden, because
     // "why is this photograph not under anyone" deserves an answer.
     in property <int> unassigned: 0;
-    // Whether the library's similarity calibration is fitted (FR-CULL-9).
+    // Whether the similarity curve was fitted from this library's own faces,
+    // as against the built-in one (FR-CULL-9). Changes what the screen says
+    // about the confidences, never whether they are shown.
     in property <bool> calibrated: false;
     in property <bool> indexing: false;
     in property <string> indexing-status;
@@ -591,11 +592,12 @@ export component IdentityScreen inherits Rectangle {
                 }
             }
 
-            // FR-CULL-9, made visible: where the calibration is not fitted the
-            // screen says the confidences are unavailable rather than letting
-            // per-face percentages imply a measurement that was never made.
+            // FR-CULL-9, made visible: the percentages are real numbers off a
+            // real curve, but on a young library that curve is the built-in one
+            // rather than one measured here. Said once, above the grid, so no
+            // per-face percentage implies a measurement that was never made.
             if !root.calibrated && !root.model-missing: Text {
-                text: "Similarity is not calibrated for this library yet, so no confidence is shown.";
+                text: "Confidences use the built-in similarity curve; they will sharpen once this library has enough confirmed faces to fit its own.";
                 color: Theme.ink-faint;
                 font-size: Theme.text-sm;
                 wrap: word-wrap;