diff --git a/docker/README.md b/docker/README.md
index b4906edb..7bf29dcb 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -144,8 +144,10 @@ destination or nav selection.
 
 Native Roborazzi captures use Robolectric SDK 34 and
 `w960dp-h540dp-xhdpi` (1920×1080 at density 2.0). `make test` writes capture PNGs and
-the sampled Compose nav-spring curve to `build/wolfskin-captures/`. Key replays
-exercise the Android event adapter, including the 6/8/10/11-press shell paths.
+the sampled Compose nav-spring curve to `build/wolfskin-captures/`.
+Home, Library and Discover captures use `home/`, `library/` and `discover/`
+subdirectories so shared spec state numbers cannot overwrite another renderer's image.
+Key replays exercise the Android event adapter, including the 6/8/10/11-press shell paths.
 The profile hand-off capture targets the real `HomeSettingsPage`; Playback is a
 separate press-count path.
 
@@ -335,8 +337,8 @@ the title-screen implementation; this slice does not implement title pages.
 `LibraryCaptureTest` renders the sixteen approved library/See all states offline.
 `LibraryKeysTest` reads the approved JSON path and reaches Spirited Away in exactly
 20 Android key presses. Paging and snapshot tests cover duplicate-only reads,
-failure/retry, stale copies, and person/server isolation. Captures are written to
-the same `build/wolfskin-captures/` directory as the shell captures.
+failure/retry, stale copies, and person/server isolation. Library captures are written
+to `build/wolfskin-captures/library/`; Discover's independent captures use `discover/`.
 
 ## Toolchain and disk use
 
diff --git a/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/DiscoverCaptureTest.kt b/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/DiscoverCaptureTest.kt
index 032f59f8..a913391e 100644
--- a/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/DiscoverCaptureTest.kt
+++ b/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/DiscoverCaptureTest.kt
@@ -65,7 +65,7 @@ class DiscoverCaptureTest {
         }
         rule.mainClock.advanceTimeBy(1000)
         rule.waitForIdle()
-        val directory = File(requireNotNull(System.getProperty("wolfskin.captureDirectory"))).apply { mkdirs() }
+        val directory = File(requireNotNull(System.getProperty("wolfskin.captureDirectory")), "discover").apply { mkdirs() }
         rule.onRoot().captureRoboImage(File(directory, "$name.png").absolutePath)
         recordTypography(directory, name)
     }
diff --git a/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/LibraryCaptureTest.kt b/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/LibraryCaptureTest.kt
index b4e00332..af8387f9 100644
--- a/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/LibraryCaptureTest.kt
+++ b/wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/LibraryCaptureTest.kt
@@ -61,7 +61,7 @@ class LibraryCaptureTest {
         }
         rule.mainClock.advanceTimeBy(1000)
         rule.waitForIdle()
-        val directory = File(System.getProperty("wolfskin.captureDirectory")).apply { mkdirs() }
+        val directory = File(System.getProperty("wolfskin.captureDirectory"), "library").apply { mkdirs() }
         rule.onRoot().captureRoboImage(File(directory, "$name.png").absolutePath)
     }