diff --git a/core/dr-export/src/lib.rs b/core/dr-export/src/lib.rs
index cc9699d..a406101 100644
--- a/core/dr-export/src/lib.rs
+++ b/core/dr-export/src/lib.rs
@@ -1,4 +1,4 @@
-//! TRACES: FR-EXP-1 | FR-EXP-2 | FR-EXP-3 | FR-EXP-4 | FR-EXP-6 | FR-EXP-9
+//! TRACES: FR-EXP-1 | FR-EXP-2 | FR-EXP-3 | FR-EXP-4 | FR-EXP-6 | FR-EXP-9 | R3
 //! Turning a rendered frame into a file's worth of bytes.
 //!
 //! # What this crate is, and is not
diff --git a/core/dr-gpu/src/lib.rs b/core/dr-gpu/src/lib.rs
index 705ceb1..b644b01 100644
--- a/core/dr-gpu/src/lib.rs
+++ b/core/dr-gpu/src/lib.rs
@@ -1,3 +1,4 @@
+//! TRACES: NFR-PORT-2
 //! GPU device and compute for DarkRoom.
 //!
 //! In v0.1 this exists to prove one thing: a compute shader can write a
diff --git a/core/dr-pipeline/src/graph.rs b/core/dr-pipeline/src/graph.rs
index 209bbd3..20c2225 100644
--- a/core/dr-pipeline/src/graph.rs
+++ b/core/dr-pipeline/src/graph.rs
@@ -1,3 +1,4 @@
+//! TRACES: FR-DEV-1
 //! The edit graph — an ordered set of operations (ARCH §3.4).
 //!
 //! CPU-side state, deliberately. The GPU device can be lost and rebuilt at any
diff --git a/core/dr-pipeline/src/lib.rs b/core/dr-pipeline/src/lib.rs
index c8ffbf8..fb7faab 100644
--- a/core/dr-pipeline/src/lib.rs
+++ b/core/dr-pipeline/src/lib.rs
@@ -1,3 +1,4 @@
+//! TRACES: R3
 //! The develop pipeline — operations, descriptors, and shader composition.
 //!
 //! # What this crate is
diff --git a/core/dr-pipeline/src/sidecar.rs b/core/dr-pipeline/src/sidecar.rs
index 93e2372..f70d91c 100644
--- a/core/dr-pipeline/src/sidecar.rs
+++ b/core/dr-pipeline/src/sidecar.rs
@@ -1,3 +1,4 @@
+//! TRACES: FR-DEV-1
 //! Sidecar serialisation — the edit graph as durable, mergeable data.
 //!
 //! # Generic, for the same reason the UI is generic
diff --git a/core/dr-sync-folder/src/borrow.rs b/core/dr-sync-folder/src/borrow.rs
index f48526a..490a938 100644
--- a/core/dr-sync-folder/src/borrow.rs
+++ b/core/dr-sync-folder/src/borrow.rs
@@ -1,4 +1,4 @@
-// TRACES: FR-NC-6c | FR-NC-6a
+// TRACES: FR-NC-6c | FR-NC-6a | FR-NC-6d
 //! Hydrating a file for as long as it is needed, and no longer.
 //!
 //! A pass over a library — thumbnails, face indexing — needs each photograph's
diff --git a/core/dr-sync-folder/src/lib.rs b/core/dr-sync-folder/src/lib.rs
index 69f0d22..24b84cd 100644
--- a/core/dr-sync-folder/src/lib.rs
+++ b/core/dr-sync-folder/src/lib.rs
@@ -1,4 +1,4 @@
-// TRACES: FR-NC-13 | FR-NC-12
+// TRACES: FR-NC-13 | FR-NC-12 | FR-NC-6d
 //! A library that is just a directory.
 //!
 //! The second [`RemoteBackend`], and the one that exists to prove the first
diff --git a/core/dr-sync-folder/src/vfs.rs b/core/dr-sync-folder/src/vfs.rs
index 3e05e4d..a49e0d9 100644
--- a/core/dr-sync-folder/src/vfs.rs
+++ b/core/dr-sync-folder/src/vfs.rs
@@ -1,4 +1,4 @@
-// TRACES: FR-NC-6c
+// TRACES: FR-NC-6c | FR-NC-6d
 //! Virtual-filesystem conventions layered over a directory.
 //!
 //! A sync client in virtual-files mode leaves a *placeholder* where a file is
diff --git a/core/dr-sync-nextcloud/src/lib.rs b/core/dr-sync-nextcloud/src/lib.rs
index bfc30f7..ad93db0 100644
--- a/core/dr-sync-nextcloud/src/lib.rs
+++ b/core/dr-sync-nextcloud/src/lib.rs
@@ -1,3 +1,4 @@
+//! TRACES: R6 | NFR-SEC-3
 //! Nextcloud connector.
 //!
 //! One of two [`RemoteBackend`] implementations, registered through
diff --git a/core/dr-sync-nextcloud/src/provider.rs b/core/dr-sync-nextcloud/src/provider.rs
index c182935..7b1a503 100644
--- a/core/dr-sync-nextcloud/src/provider.rs
+++ b/core/dr-sync-nextcloud/src/provider.rs
@@ -1,4 +1,4 @@
-// TRACES: FR-NC-12 | FR-NC-1
+// TRACES: FR-NC-12 | FR-NC-1 | NFR-SEC-3
 //! Registering Nextcloud as a storage backend.
 //!
 //! The account model this connector used to own now lives in
diff --git a/core/dr-types/src/settings.rs b/core/dr-types/src/settings.rs
index 8bc950d..a6b596c 100644
--- a/core/dr-types/src/settings.rs
+++ b/core/dr-types/src/settings.rs
@@ -1,4 +1,4 @@
-//! TRACES: FR-NC-6a | FR-EXP-1 | FR-EXP-2 | FR-EXP-3 | FR-EXP-6 | FR-PLAT-LIN-1
+//! TRACES: FR-NC-6a | FR-EXP-1 | FR-EXP-2 | FR-EXP-3 | FR-EXP-6 | FR-PLAT-LIN-1 | NFR-OPS-3
 //! Device preferences: how much disk to spend, and what an export defaults to.
 //!
 //! # Why these live beside the session and not in the catalog
diff --git a/ui/dr-ui/src/settings_store.rs b/ui/dr-ui/src/settings_store.rs
index 755772d..d8b9c54 100644
--- a/ui/dr-ui/src/settings_store.rs
+++ b/ui/dr-ui/src/settings_store.rs
@@ -1,4 +1,4 @@
-//! TRACES: FR-PLAT-LIN-1 | FR-NC-6a | FR-EXP-5
+//! TRACES: FR-PLAT-LIN-1 | FR-NC-6a | FR-EXP-5 | NFR-OPS-3
 //! Reads and writes `settings.json` beside the session config.
 //!
 //! Deliberately a near-twin of [`SessionStore`](dr_sync_nextcloud::SessionStore)
diff --git a/ui/dr-ui/ui/widgets.slint b/ui/dr-ui/ui/widgets.slint
index 5a9db2f..793439e 100644
--- a/ui/dr-ui/ui/widgets.slint
+++ b/ui/dr-ui/ui/widgets.slint
@@ -1,3 +1,4 @@
+// TRACES: FR-UI-6
 // Shared chrome primitives and the style layer.
 //
 // Before this file every button was a Rectangle + TouchArea written out where