diff --git a/docs/adr/2026-07-16-primary-visual-product.md b/docs/adr/2026-07-16-primary-visual-product.md
new file mode 100644
index 000000000..b5fbb3400
--- /dev/null
+++ b/docs/adr/2026-07-16-primary-visual-product.md
@@ -0,0 +1,75 @@
+# ADR: Primary Visual Product — the Project's Face Is a Bus Convention
+
+- **Status:** Accepted
+- **Date:** 2026-07-16
+- **Deciders:** Photomancer
+- **Supersedes:** the informal `channel.name == "visual.out"` check in
+  `ProjectController::ui_bus_view` (the bus pane's PRIMARY badge)
+- **Superseded by:** None
+
+## Context
+
+Several surfaces need one answer to "what do I render to represent this
+project?": the Studio editor's default preview, the bus pane's PRIMARY
+badge, home-gallery card imagery (the GPU live-gallery plan's
+PreviewHost and its static snapshot fallback), and any future headless
+thumbnailer. Today the answer is folklore: the default visual-output
+policy targets `bus:visual.out` (ADR 2026-07-09), fixtures sample it,
+and the bus pane hardcodes the channel name for its badge — a
+coincidence of defaults, not a contract. Consumers that re-derive
+"which product is the face" will disagree at the edges (multiple
+providers, no provider, provider that fails to resolve).
+
+## Decision
+
+**The project's primary visual is the resolved value of
+`bus:visual.out`: the product produced by the channel's
+highest-priority provider.**
+
+- The channel name is a constant in the well-known registry
+  (`lpc-model/src/bus/well_known.rs`, `PRIMARY_VISUAL_CHANNEL`) — the
+  one place the name is written.
+- **Resolution is the engine's, not the client's.** The binding-graph
+  probe (ADR 2026-07-06) already resolves each channel's value by
+  provider priority; for `visual.out` that value is a
+  `LpValue::Product(ProductRef::Visual(..))`. Clients read the resolved
+  answer instead of re-deriving it from provider lists —
+  `ProjectController::primary_visual_product()` is the client-side
+  helper, resolved from the cached graph with **no new wire surface**.
+- **Determinism:**
+  - No provider, unresolvable value, or a non-visual product → `None`:
+    the defined empty state (consumers show their placeholder; nothing
+    is invented).
+  - Multiple providers → binding priority (authored > default, per the
+    existing `BindingPriority` ordering).
+  - Equal priority → the binding index's registration order decides,
+    which the graph probe reports deterministically
+    (`Reverse(priority)`, then `BindingRef`). This tie-break is now
+    contract, not accident.
+- `control.out` is the analogous convention for control-first projects.
+  It is declared here for symmetry and left unconsumed: no
+  control-product preview surface exists yet.
+
+## Consumers
+
+- **Bus pane PRIMARY badge** — same constant, same meaning.
+- **Studio always-live preview** — the primary product is subscribed
+  whenever a project is open (independent of node focus), so the
+  project's face is always streaming somewhere stable.
+- **Gallery card imagery** — the GPU live-gallery plan's PreviewHost
+  presents the primary product per leased card; its save-time snapshot
+  fallback captures the same product. (See
+  `Planning/lp2025/2026-07-16-gpu-live-gallery-cards/`.)
+- Future: headless thumbnailers, device-side "what's playing" surfaces.
+
+## Consequences
+
+- Exactly one definition of "the project's face"; surfaces cannot
+  drift.
+- Projects whose primary output is intentionally not `visual.out`
+  (control-first installations) have no visual face by definition —
+  their preview surfaces show the empty state until a `control.out`
+  preview story exists.
+- The helper is only as fresh as the cached binding graph; consumers
+  needing synchronous freshness after an edit should treat `None` /
+  stale as "keep the previous frame", never as an error.
diff --git a/lp-app/lpa-studio-core/src/app/project/node/node_controller.rs b/lp-app/lpa-studio-core/src/app/project/node/node_controller.rs
index 294157e4d..05aec876b 100644
--- a/lp-app/lpa-studio-core/src/app/project/node/node_controller.rs
+++ b/lp-app/lpa-studio-core/src/app/project/node/node_controller.rs
@@ -166,6 +166,7 @@ impl NodeController {
             &SlotEditJoin::empty(),
             &|_| Vec::new(),
             &|_, _| None,
+            None,
         )
     }
 
@@ -187,12 +188,14 @@ impl NodeController {
         edits: &SlotEditJoin<'_>,
         extra_config: &impl Fn(NodeId) -> Vec<UiConfigSlot>,
         asset_editor: &impl Fn(&NodeController, &UiSlotAsset) -> Option<UiAssetEditor>,
+        always_live: Option<&UiProductRef>,
     ) -> UiNodeView {
         let children = self.ui_children_with_product_previews(
             product_preview,
             edits,
             extra_config,
             asset_editor,
+            always_live,
         );
         let dirty = self.own_slots_dirty_summary(edits)
             + children
@@ -213,8 +216,12 @@ impl NodeController {
             header = header.with_detail(detail);
         }
 
-        let mut sections =
-            self.ui_sections_with_product_previews(product_preview, edits, extra_config);
+        let mut sections = self.ui_sections_with_product_previews(
+            product_preview,
+            edits,
+            extra_config,
+            always_live,
+        );
         self.embed_asset_editors(&mut sections, asset_editor);
         let mut view = UiNodeView::new(header, vec![UiNodeTab::main(sections)])
             .with_node_id(self.address.to_string())
@@ -412,6 +419,7 @@ impl NodeController {
         product_preview: &impl Fn(&UiProductRef) -> Option<UiProductPreview>,
         edits: &SlotEditJoin<'_>,
         extra_config: &impl Fn(NodeId) -> Vec<UiConfigSlot>,
+        always_live: Option<&UiProductRef>,
     ) -> Vec<UiNodeSection> {
         let mut products = Vec::new();
         let mut produced_values = Vec::new();
@@ -443,12 +451,18 @@ impl NodeController {
                     product.preview = preview;
                     has_cached_preview = true;
                 }
-                product.tracking =
-                    if base_tracking == UiProductTrackingState::Untracked && has_cached_preview {
-                        UiProductTrackingState::Paused
-                    } else {
-                        base_tracking
-                    }
+                // The primary visual is always presented live: it is
+                // subscribed project-wide regardless of node focus (ADR
+                // 2026-07-16-primary-visual-product, M6 P3).
+                let is_always_live =
+                    product.product.is_some() && product.product.as_ref() == always_live;
+                product.tracking = if is_always_live {
+                    UiProductTrackingState::Tracking
+                } else if base_tracking == UiProductTrackingState::Untracked && has_cached_preview {
+                    UiProductTrackingState::Paused
+                } else {
+                    base_tracking
+                }
             }
             sections.push(UiNodeSection::ProducedProducts(products));
         }
@@ -492,6 +506,7 @@ impl NodeController {
         edits: &SlotEditJoin<'_>,
         extra_config: &impl Fn(NodeId) -> Vec<UiConfigSlot>,
         asset_editor: &impl Fn(&NodeController, &UiSlotAsset) -> Option<UiAssetEditor>,
+        always_live: Option<&UiProductRef>,
     ) -> Vec<UiNodeChild> {
         self.children
             .iter()
@@ -505,14 +520,19 @@ impl NodeController {
                 view.summary = child.status.detail.clone();
                 view.focused = child.state.focused;
                 view.action = Some(node_focus_action(child));
-                view.sections =
-                    child.ui_sections_with_product_previews(product_preview, edits, extra_config);
+                view.sections = child.ui_sections_with_product_previews(
+                    product_preview,
+                    edits,
+                    extra_config,
+                    always_live,
+                );
                 child.embed_asset_editors(&mut view.sections, asset_editor);
                 view.children = child.ui_children_with_product_previews(
                     product_preview,
                     edits,
                     extra_config,
                     asset_editor,
+                    always_live,
                 );
                 view.dirty = child.own_slots_dirty_summary(edits)
                     + view
diff --git a/lp-app/lpa-studio-core/src/app/project/project_controller.rs b/lp-app/lpa-studio-core/src/app/project/project_controller.rs
index bc2f21961..55f77db45 100644
--- a/lp-app/lpa-studio-core/src/app/project/project_controller.rs
+++ b/lp-app/lpa-studio-core/src/app/project/project_controller.rs
@@ -310,7 +310,7 @@ impl ProjectController {
                     .and_then(|value| value.value.as_ref())
                     .map(format_lp_value),
                 value_error: channel.value.as_ref().and_then(|value| value.error.clone()),
-                primary_visual: channel.name == "visual.out",
+                primary_visual: channel.name == lpc_model::PRIMARY_VISUAL_CHANNEL,
                 writers: channel.providers.iter().filter_map(site).collect(),
                 readers: channel.consumers.iter().filter_map(site).collect(),
             })
@@ -318,6 +318,28 @@ impl ProjectController {
         Some(crate::UiBusView { channels })
     }
 
+    /// The project's **primary visual product**: the resolved value of
+    /// `bus:visual.out` (ADR 2026-07-16-primary-visual-product).
+    ///
+    /// Reads the engine's answer off the cached binding graph — the probe
+    /// already resolves the channel by provider priority, so this never
+    /// re-derives precedence client-side. `None` is the defined empty
+    /// state: no graph yet, no provider, an unresolved value, or a
+    /// non-visual product on the channel.
+    pub fn primary_visual_product(&self) -> Option<UiProductRef> {
+        let graph = self.binding_graph()?;
+        let channel = graph
+            .channels
+            .iter()
+            .find(|channel| channel.name == lpc_model::PRIMARY_VISUAL_CHANNEL)?;
+        let value = channel.value.as_ref()?.value.as_ref()?;
+        let lpc_model::LpValue::Product(product) = value else {
+            return None;
+        };
+        matches!(product, lpc_model::ProductRef::Visual(_))
+            .then(|| UiProductRef::from_product_ref(*product))
+    }
+
     /// Channels the binding picker offers: every channel observed in the
     /// effective binding graph plus the well-known registry, well-known
     /// first (M4). Kinds come from the registry, falling back to the wire
@@ -389,6 +411,7 @@ impl ProjectController {
 
     /// Project root node controllers into node-pane DTOs in project tree order.
     pub fn ui_nodes(&self) -> Vec<UiNodeView> {
+        let primary_visual = self.primary_visual_product();
         let product_preview =
             |product: &UiProductRef| self.sync.as_ref()?.product_preview(product).cloned();
         let asset_editor =
@@ -403,6 +426,7 @@ impl ProjectController {
                     &edits,
                     &extra_config,
                     &asset_editor,
+                    primary_visual.as_ref(),
                 )
             })
             .collect()
@@ -1071,6 +1095,7 @@ impl ProjectController {
         inventory: &ProjectInventorySummary,
     ) -> ProjectEditorView {
         let summary = self.sync_summary().unwrap_or_default();
+        let primary_visual = self.primary_visual_product();
         let product_preview =
             |product: &UiProductRef| self.sync.as_ref()?.product_preview(product).cloned();
         let asset_editor =
@@ -1087,6 +1112,7 @@ impl ProjectController {
                     &edits,
                     &extra_config,
                     &asset_editor,
+                    primary_visual.as_ref(),
                 )
             })
             .collect::<Vec<_>>();
@@ -1668,6 +1694,10 @@ impl ProjectController {
         for node in &self.root_nodes {
             self.collect_subscribed_products(node, &mut product_refs);
         }
+        // The primary visual streams whenever a project is open — the
+        // project's face is always live regardless of node focus (ADR
+        // 2026-07-16-primary-visual-product; M6 P3).
+        product_refs.extend(self.primary_visual_product());
         product_refs.into_iter().collect()
     }
 
@@ -4038,6 +4068,134 @@ mod tests {
         );
     }
 
+    fn primary_visual_graph(value: Option<lpc_model::LpValue>) -> lpc_wire::WireBindingGraph {
+        lpc_wire::WireBindingGraph {
+            revision: Revision::new(2),
+            bindings: Vec::new(),
+            channels: vec![lpc_wire::WireBusChannel {
+                name: lpc_model::PRIMARY_VISUAL_CHANNEL.to_string(),
+                kind: Some(lpc_model::Kind::Color),
+                providers: Vec::new(),
+                consumers: Vec::new(),
+                value: Some(lpc_wire::WireBusChannelValue {
+                    revision: Revision::new(2),
+                    value,
+                    error: None,
+                }),
+            }],
+        }
+    }
+
+    fn project_with_graph(graph: lpc_wire::WireBindingGraph) -> ProjectController {
+        let mut project = ProjectController::new();
+        project.mark_ready("loaded-project", 7, ProjectInventorySummary::default());
+        project
+            .apply_project_view(&single_node_view(1, NodeRuntimeStatus::Ok))
+            .unwrap();
+        project
+            .sync_mut()
+            .unwrap()
+            .set_binding_graph_for_test(graph);
+        project
+    }
+
+    #[test]
+    fn primary_visual_product_reads_the_resolved_channel_value() {
+        // The engine already resolved visual.out by provider priority; the
+        // helper reads that answer (ADR 2026-07-16-primary-visual-product).
+        let product = lpc_model::ProductRef::visual(lpc_model::VisualProduct::new(
+            lpc_model::NodeId::new(5),
+            0,
+        ));
+        let project = project_with_graph(primary_visual_graph(Some(lpc_model::LpValue::Product(
+            product,
+        ))));
+        assert_eq!(
+            project.primary_visual_product(),
+            Some(UiProductRef::Visual {
+                node_id: 5,
+                output: 0
+            })
+        );
+    }
+
+    #[test]
+    fn primary_visual_product_empty_states_are_none() {
+        // No graph yet.
+        let mut project = ProjectController::new();
+        project.mark_ready("loaded-project", 7, ProjectInventorySummary::default());
+        assert_eq!(project.primary_visual_product(), None);
+
+        // Channel present but unresolved (no provider produced a value).
+        let project = project_with_graph(primary_visual_graph(None));
+        assert_eq!(project.primary_visual_product(), None);
+
+        // Channel resolved to a non-product value: defined empty, not a guess.
+        let project = project_with_graph(primary_visual_graph(Some(lpc_model::LpValue::F32(1.0))));
+        assert_eq!(project.primary_visual_product(), None);
+    }
+
+    #[test]
+    fn primary_visual_product_presents_live_without_focus() {
+        // The owning node is unfocused with Default intent, but the primary
+        // visual's preview presents as Tracking, not Paused/Untracked.
+        let mut view = single_node_view(1, NodeRuntimeStatus::Ok);
+        install_ui_projection_slots(&mut view, 1, Revision::new(4));
+        let mut project = ProjectController::new();
+        project.mark_ready("loaded-project", 7, ProjectInventorySummary::default());
+        project.apply_project_view(&view).unwrap();
+        let product = lpc_model::ProductRef::visual(lpc_model::VisualProduct::new(
+            lpc_model::NodeId::new(1),
+            0,
+        ));
+        project
+            .sync_mut()
+            .unwrap()
+            .set_binding_graph_for_test(primary_visual_graph(Some(lpc_model::LpValue::Product(
+                product,
+            ))));
+
+        let nodes = project.ui_nodes();
+        let products = node_sections(&nodes[0])
+            .iter()
+            .find_map(|section| match section {
+                UiNodeSection::ProducedProducts(products) => Some(products.clone()),
+                _ => None,
+            })
+            .expect("produced products section");
+        let primary = products
+            .iter()
+            .find(|product| {
+                product.product
+                    == Some(UiProductRef::Visual {
+                        node_id: 1,
+                        output: 0,
+                    })
+            })
+            .expect("primary product row");
+        assert_eq!(primary.tracking, UiProductTrackingState::Tracking);
+    }
+
+    #[test]
+    fn primary_visual_product_is_always_subscribed() {
+        // Nothing focused, no explicit intent: the project's face still
+        // streams (M6 P3 — always-live primary preview).
+        let product = lpc_model::ProductRef::visual(lpc_model::VisualProduct::new(
+            lpc_model::NodeId::new(1),
+            0,
+        ));
+        let project = project_with_graph(primary_visual_graph(Some(lpc_model::LpValue::Product(
+            product,
+        ))));
+        assert_eq!(
+            project.subscribed_products(),
+            vec![UiProductRef::Visual {
+                node_id: 1,
+                output: 0
+            }]
+        );
+    }
+
     #[test]
     fn default_wiring_offers_bind_not_retarget() {
         let mut view = single_node_view(1, NodeRuntimeStatus::Ok);
diff --git a/lp-app/lpa-studio-web/scripts/studio-story-pngs.mjs b/lp-app/lpa-studio-web/scripts/studio-story-pngs.mjs
index 20313d853..00e1cdffc 100644
--- a/lp-app/lpa-studio-web/scripts/studio-story-pngs.mjs
+++ b/lp-app/lpa-studio-web/scripts/studio-story-pngs.mjs
@@ -646,6 +646,12 @@ async function waitForStoryReady(cdp, sessionId, storyId) {
       if (!el || el.getAttribute('data-story-id') !== ${JSON.stringify(storyId)}) {
         return false;
       }
+      // Webfont fallback metrics shift text by a few pixels; a capture that
+      // races font decoding diffs nondeterministically run-to-run (scattered
+      // ~Δ180 text pixels on whichever pages lost the race).
+      if (document.fonts && document.fonts.status !== 'loaded') {
+        return false;
+      }
       return !document.querySelector('[data-story-wait="1"]');
     })()
   `;
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diff --git a/lp-core/lpc-model/src/bus/mod.rs b/lp-core/lpc-model/src/bus/mod.rs
index 9fd7d661f..4820cb163 100644
--- a/lp-core/lpc-model/src/bus/mod.rs
+++ b/lp-core/lpc-model/src/bus/mod.rs
@@ -2,4 +2,7 @@ pub mod channel_name;
 pub mod well_known;
 
 pub use channel_name::ChannelName;
-pub use well_known::{WELL_KNOWN_CHANNELS, WellKnownChannel, well_known_channel};
+pub use well_known::{
+    PRIMARY_CONTROL_CHANNEL, PRIMARY_VISUAL_CHANNEL, WELL_KNOWN_CHANNELS, WellKnownChannel,
+    well_known_channel,
+};
diff --git a/lp-core/lpc-model/src/bus/well_known.rs b/lp-core/lpc-model/src/bus/well_known.rs
index 3243d0e4a..420589cf0 100644
--- a/lp-core/lpc-model/src/bus/well_known.rs
+++ b/lp-core/lpc-model/src/bus/well_known.rs
@@ -9,6 +9,16 @@
 
 use crate::Kind;
 
+/// The channel whose resolved value is the project's **primary visual** —
+/// "the project's face" for previews, gallery cards, and thumbnailers
+/// (ADR 2026-07-16-primary-visual-product). The one place this name is
+/// written; every consumer references the constant.
+pub const PRIMARY_VISUAL_CHANNEL: &str = "visual.out";
+
+/// The analogous convention for control-first projects (declared for
+/// symmetry by the same ADR; no preview surface consumes it yet).
+pub const PRIMARY_CONTROL_CHANNEL: &str = "control.out";
+
 /// One well-known channel: canonical name, semantic kind, and the docs the
 /// picker surfaces.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -35,12 +45,12 @@ pub const WELL_KNOWN_CHANNELS: &[WellKnownChannel] = &[
         doc: "Control events (button presses, remote triggers); map readers merge by message id.",
     },
     WellKnownChannel {
-        name: "visual.out",
+        name: PRIMARY_VISUAL_CHANNEL,
         kind: Kind::Color,
         doc: "The project's primary visual output; fixtures sample it.",
     },
     WellKnownChannel {
-        name: "control.out",
+        name: PRIMARY_CONTROL_CHANNEL,
         kind: Kind::Color,
         doc: "Rendered control samples; hardware outputs drive from it.",
     },
diff --git a/lp-core/lpc-model/src/lib.rs b/lp-core/lpc-model/src/lib.rs
index b6edcd01a..a4ac6bf71 100644
--- a/lp-core/lpc-model/src/lib.rs
+++ b/lp-core/lpc-model/src/lib.rs
@@ -73,7 +73,10 @@ pub use binding::{
     BindingDef, BindingDefError, BindingDefView, BindingDefs, BindingRef, BindingRefError,
     BusSlotRef, BusSlotRefError, NodeSlotRef, NodeSlotRefError,
 };
-pub use bus::{ChannelName, WELL_KNOWN_CHANNELS, WellKnownChannel, well_known_channel};
+pub use bus::{
+    ChannelName, PRIMARY_CONTROL_CHANNEL, PRIMARY_VISUAL_CHANNEL, WELL_KNOWN_CHANNELS,
+    WellKnownChannel, well_known_channel,
+};
 pub use constraint::{Constraint, ConstraintChoice, ConstraintFree, ConstraintRange};
 /// Legacy semantic value kind used by the pre-slot property model.
 ///