diff --git a/.quixos-subtree-source.json b/.quixos-subtree-source.json
index fab25f7..dabb8cb 100644
--- a/.quixos-subtree-source.json
+++ b/.quixos-subtree-source.json
@@ -1,8 +1,8 @@
 {
   "version": 1,
   "sourceRepo": "https://gitea.internal.quixos.org/quixos/quixos.git",
-  "sourceCommit": "6b91014ff1d6c9c54d0782f586935e694f9ee72f",
+  "sourceCommit": "ca5b05584b89e90cb259b4596b1bc01d3d692136",
   "sourcePath": "quixos-protocol",
   "exportName": "quixos-protocol",
-  "mirrorRemote": "https://gitea-external.egads.tutti.syntaxblitz.net/quixos/quixos-protocol.git"
+  "mirrorRemote": "https://repos.quixos.org/quixos-toolchain/quixos-protocol.git"
 }
diff --git a/nix/checked-candidate.nix b/nix/checked-candidate.nix
index 5af96c9..5033091 100644
--- a/nix/checked-candidate.nix
+++ b/nix/checked-candidate.nix
@@ -407,12 +407,19 @@ pkgs.runCommand (if contractOnly then "qx-contract" else "qx-checked-candidate")
       ${pkgs.nodejs_24}/bin/node ${./check-execution.mjs} \
         ${protocol}/libexec/quixos-protocol/execution-world.mjs \
         "$out/execution-plan.json" "$out/checks.json" "$out"
-      mkdir -p "$out/bin"
-      cat > "$out/bin/run-isolated" <<EOF
-      #!${pkgs.runtimeShell}
-      exec ${runtimePackages.camino-isolated-workspace}/bin/camino-isolated-workspace "$out" "\$@"
-      EOF
-      chmod +x "$out/bin/run-isolated"
+      # The optional development host is acquired only when explicitly run.
+      # Embedding its executable here made every source check build Web Studio
+      # and a full host even when only checked Package outputs were consumed.
+      cp ${
+        pkgs.writeText "qx-isolated-runtime.json" (
+          builtins.toJSON {
+            codec = "quixos-isolated-runtime/1";
+            source = {
+              inherit (root.lock.quixos) repository commit;
+            };
+          }
+        )
+      } "$out/isolated-runtime.json"
     ''}
   ''}
   ${pkgs.lib.optionalString (
diff --git a/src/bindings/presentation-queries.ts b/src/bindings/presentation-queries.ts
index ec793e7..32fcbba 100644
--- a/src/bindings/presentation-queries.ts
+++ b/src/bindings/presentation-queries.ts
@@ -41,15 +41,19 @@ export function presentationQueries(pkg: PackageRevision, interfaces: readonly I
       ];
     });
     const stem = `PresentationNavigation${createHash("sha256").update(id).digest("hex").slice(0, 12)}`;
-    const inputs = `presentation:navigation:${id}:inputs`;
-    for (const local of [false, true]) {
-      const name = `${stem}${local ? "View" : "Inputs"}`;
-      const document = `generated/${name}.graphql`;
-      documents.set(
-        document,
-        `query ${name}($presentationMount: QxRef_PresentationMount!) {
+    // Retain full state for operations and hidden occurrences, independently
+    // from the identity projection used to prepare a rendering occurrence.
+    for (const identity of [false, true]) {
+      const prefix = `presentation:navigation:${id}:${identity ? "identity-" : ""}`;
+      const inputs = prefix + "inputs";
+      for (const local of [false, true]) {
+        const name = `${stem}${identity ? "Identity" : ""}${local ? "View" : "Inputs"}`;
+        const document = `generated/${name}.graphql`;
+        documents.set(
+          document,
+          `query ${name}($presentationMount: QxRef_PresentationMount!) {
         root { ${local ? "availableObjects" : "objects"}(all:512, where:{_camino:{as:{PresentationState:{presentationMount:{eq:$presentationMount}}}}}) {
-          entries { node { ${fields.join("\n")}
+          entries { node { ${identity ? "" : fields.join("\n")}
             ... on PresentationState {
               _presentationOccurrence: occurrence
               _presentationSource: source {_camino {ref}}
@@ -59,20 +63,21 @@ export function presentationQueries(pkg: PackageRevision, interfaces: readonly I
           } }
         } }
       }`,
-      );
-      generated.push({
-        id: local ? `presentation:navigation:${id}:view` : inputs,
-        displayName: name,
-        root: { kind: "workspace-interface", interface: contract.revisionId },
-        document,
-        operation: name,
-        fragments: [],
-        views: [],
-        allowances: [],
-        budgets: { ...defaultQueryBudgets, rows: 5000, candidates: 5000, resultBytes: 8388608 },
-        watch: local,
-        placement: local ? { kind: "local", sourceQueryId: inputs } : { kind: "replica" },
-      });
+        );
+        generated.push({
+          id: local ? prefix + "view" : inputs,
+          displayName: name,
+          root: { kind: "workspace-interface", interface: contract.revisionId },
+          document,
+          operation: name,
+          fragments: [],
+          views: [],
+          allowances: [],
+          budgets: { ...defaultQueryBudgets, rows: 5000, candidates: 5000, resultBytes: 8388608 },
+          watch: local,
+          placement: local ? { kind: "local", sourceQueryId: inputs } : { kind: "replica" },
+        });
+      }
     }
   }
   for (const query of generated)
diff --git a/src/execution-world/client-contracts.ts b/src/execution-world/client-contracts.ts
index 11ebdd2..81df4bc 100644
--- a/src/execution-world/client-contracts.ts
+++ b/src/execution-world/client-contracts.ts
@@ -258,17 +258,7 @@ export function generatePackageComponentBindings(
           target.kind === "atom"
             ? `ManagedReference<"atom", ${JSON.stringify(target.atomId)}>`
             : `ManagedReference<"interface", ${JSON.stringify(target.interfaceRevisionId)}>`;
-        const fields =
-          target.kind === "interface"
-            ? find(target.interfaceRevisionId).members.flatMap((member) => {
-                if ((member.kind !== "value" && member.kind !== "relationship") || !member.queryRead) return [];
-                const getter = member.operations.find(
-                  (operation) => operation.displayName === (member.kind === "value" ? "get" : "resolve"),
-                );
-                return getter ? [`readonly ${JSON.stringify(member.displayName)}: ${tsType(getter.outputType)}`] : [];
-              })
-            : [];
-        return `{readonly reference: ${reference}; readonly values: {${fields.join(";")}}}`;
+        return `{readonly reference: ${reference}}`;
       })
       .join(",")}]`;
   const interfaces = generateInterfaceClientBindings(imports, "@quixos/camino-react", props);
diff --git a/src/query/tree.ts b/src/query/tree.ts
index e2c6e81..ba7e319 100644
--- a/src/query/tree.ts
+++ b/src/query/tree.ts
@@ -113,6 +113,13 @@ export function lowerQueryTree(
   if (!root || selection.some((field) => field !== root))
     throw new QueryCompileError("QUERY_TREE_ROOT", "A Query Tree requires one unaliased root selection");
   const plan: QueryTreePlan = { root: "root", nodes: [], projections: [], maxOccurrences: 0 };
+  const collectionBound = (field: QuerySelection): number | undefined => {
+    const limit = field.arguments.first ?? field.arguments.all;
+    // Checked GraphQL Int literals retain their decimal spelling in the IR.
+    if (limit?.kind !== "literal" || !["string", "number"].includes(typeof limit.value)) return;
+    const value = Number(limit.value);
+    return Number.isSafeInteger(value) && value > 0 ? Math.min(value, declaration.budgets.rows) : undefined;
+  };
   const project = (id: string, subject: InterfaceRevisionId, fields: QuerySelection[], shape: ValueType) => {
     if (plan.projections.length >= 256)
       throw new QueryCompileError("QUERY_TREE_LIMIT", "Query Tree exceeds 256 projections");
@@ -153,9 +160,15 @@ export function lowerQueryTree(
     for (const field of fields) {
       if (field.boundary || !containsBoundary(field.selection)) continue;
       const targets: { path: string[]; node: string }[] = [];
-      const prune = (fields: QuerySelection[], shape: ValueType, path: string[], bound: number): QuerySelection[] => {
-        if (shape.kind === "optional") return prune(fields, shape.value, path, bound);
-        if (shape.kind === "list") return prune(fields, shape.value, [...path, "[]"], bound * declaration.budgets.rows);
+      const prune = (
+        fields: QuerySelection[],
+        shape: ValueType,
+        path: string[],
+        bound: number,
+        listLimit = declaration.budgets.rows,
+      ): QuerySelection[] => {
+        if (shape.kind === "optional") return prune(fields, shape.value, path, bound, listLimit);
+        if (shape.kind === "list") return prune(fields, shape.value, [...path, "[]"], bound * listLimit);
         const target = objectInterface(fields);
         if (target) {
           targets.push({
@@ -168,7 +181,13 @@ export function lowerQueryTree(
           .filter((field) => containsBoundary(field.selection))
           .map((field) => ({
             ...field,
-            selection: prune(field.selection, fieldType(shape, field.key), [...path, field.key], bound),
+            selection: prune(
+              field.selection,
+              fieldType(shape, field.key),
+              [...path, field.key],
+              bound,
+              collectionBound(field) ?? listLimit,
+            ),
           }));
         // Relationship occurrence identity is its entry key, including duplicate
         // target Objects. Never substitute list position or Object identity.
@@ -177,7 +196,10 @@ export function lowerQueryTree(
         return minimal;
       };
       const type = fieldType(shape, field.key);
-      const minimal = { ...field, selection: prune(field.selection, type, [field.key], occurrences) };
+      const minimal = {
+        ...field,
+        selection: prune(field.selection, type, [field.key], occurrences, collectionBound(field)),
+      };
       const selected = [...identity(fields), minimal];
       current.bindings.push({
         name: field.key,
diff --git a/src/react-build/expansion.ts b/src/react-build/expansion.ts
index 4776f4c..10ff32b 100644
--- a/src/react-build/expansion.ts
+++ b/src/react-build/expansion.ts
@@ -364,6 +364,9 @@ export async function expandPresentationQueries(workspace: WorkspaceRevision): P
   for (const pkg of workspace.packageImports) {
     for (const original of [...(pkg.checkedQueries ?? [])]) {
       if (!original.declaration.id.startsWith("presentation:navigation:")) continue;
+      // Identity must remain independent of every occurrence's data projection.
+      // Full retained acquisition may include those requirements together.
+      if (/:identity-(inputs|view)$/.test(original.declaration.id)) continue;
       const inputs = (stateInputs.get(original.declaration.root.interface) ?? []).map((input) => ({
         ...input,
         query:
diff --git a/test/query-compiler.test.ts b/test/query-compiler.test.ts
index 6ccac88..e8c7a4b 100644
--- a/test/query-compiler.test.ts
+++ b/test/query-compiler.test.ts
@@ -520,7 +520,7 @@ test("React tooling generates checked owner queries from imported closed navigat
   if (parsed.resource.kind !== "package") throw Error("package required");
   const contracts = [...dependencies, ...(parsed.resource.specializations ?? [])];
   const documents = presentationQueries(parsed.resource.revision, contracts);
-  assert.equal(documents.size, 2);
+  assert.equal(documents.size, 4);
   const checked = await Promise.all(
     parsed.resource.revision.queries!.map((query) =>
       compileQuery(query, contracts, async (name) => documents.get(name)!),
@@ -528,10 +528,16 @@ test("React tooling generates checked owner queries from imported closed navigat
   );
   assert.deepEqual(
     checked.map((query) => query.declaration.placement?.kind),
-    ["replica", "local"],
+    ["replica", "local", "replica", "local"],
   );
   assert.match(JSON.stringify(checked[0]!.output), /"custom":\{"kind":"record","fields":\{"label"/);
   assert.match(JSON.stringify(checked[0]!.selection), /"kind":"as"/);
+  for (const identity of checked.slice(2)) {
+    assert.match(identity.declaration.id, /:identity-(inputs|view)$/);
+    assert.doesNotMatch(JSON.stringify(identity.output), /"custom"/);
+    assert.match(JSON.stringify(identity.output), /_presentationOccurrence/);
+    assert.match(JSON.stringify(identity.output), /_presentationSource/);
+  }
   assert(
     checked.every((query) =>
       query.effects.some((effect) => effect.memberId === "mount" && effect.uses.includes("predicate")),
diff --git a/test/query-tree.test.ts b/test/query-tree.test.ts
index 6e915f5..f9f08b5 100644
--- a/test/query-tree.test.ts
+++ b/test/query-tree.test.ts
@@ -29,12 +29,15 @@ const navigation = iface(
 }`,
   [item],
 );
-function declaration(root: InterfaceRevision = item) {
+function declaration(root: InterfaceRevision = item, dependencies: InterfaceRevision[] = []) {
   const result = compileCapabilityResourceSource(
     `import interface ${root.displayName}; package Views id "views" revision "views@1" {
     query Open id "open" root ${root.displayName} document "open.graphql" operation "Open" {replica; max rows 10;}
   }`,
-    { source, environment: { interfaces: new Map([[root.displayName, root]]), interfaceClosure: [root, item] } },
+    {
+      source,
+      environment: { interfaces: new Map([[root.displayName, root]]), interfaceClosure: [root, item, ...dependencies] },
+    },
   );
   assert.ok(result.ok, JSON.stringify(result.diagnostics));
   if (result.resource.kind !== "package") throw Error("Expected Package");
@@ -103,6 +106,44 @@ test("bounded list bindings preserve entry identity without requesting details",
   assert(!JSON.stringify(projection.selection).includes('"name":"body"'));
   assert(tree.maxOccurrences <= 256);
 });
+test("literal collection windows bound handles independently of detail row budgets", async () => {
+  const source = { ...declaration(navigation), budgets: { ...declaration(navigation).budgets, rows: 20000 } };
+  const query = (limit: string, variables = "") => `query Open${variables} {root {
+    items(first: ${limit}) {entries {node {...Body @boundary(name:"body")}}}
+  }} fragment Body on Item {body}`;
+  const checked = await compileQuery(source, [item, navigation], async () => query("3"));
+  assert.equal(checked.tree!.maxOccurrences, 7);
+  await assert.rejects(
+    compileQuery(source, [item, navigation], async () => query("200")),
+    /QUERY_TREE_LIMIT/,
+  );
+  await assert.rejects(
+    compileQuery(source, [item, navigation], async () => query("$first", "($first:Int!)")),
+    /QUERY_TREE_LIMIT/,
+  );
+  const group = iface(
+    `import interface Item; interface Group id "group" revision "group@1" {
+    queryable relation items id "group:items" : many interface Item ordered {resolve id "group:items:resolve" execution snapshot;}
+  }`,
+    [item],
+  );
+  const groups = iface(
+    `import interface Group; interface Groups id "groups" revision "groups@1" {
+    queryable relation groups id "groups:groups" : many interface Group ordered {resolve id "groups:groups:resolve" execution snapshot;}
+  }`,
+    [item, group],
+  );
+  const nested = { ...declaration(groups, [group]), budgets: source.budgets };
+  const nestedQuery = (outer: number, inner: number) => `query Open {root {
+    groups(first:${outer}) {entries {node {items(first:${inner}) {entries {node {...Body @boundary(name:"body")}}}}}}
+  }} fragment Body on Item {body}`;
+  const bounded = await compileQuery(nested, [item, group, groups], async () => nestedQuery(2, 3));
+  assert.equal(bounded.tree!.maxOccurrences, 15, "Nested windows multiply instead of reusing the outer bound");
+  await assert.rejects(
+    compileQuery(nested, [item, group, groups], async () => nestedQuery(20, 20)),
+    /QUERY_TREE_LIMIT/,
+  );
+});
 test("guards control boundary participation and invalid syntax fails checking", async () => {
   const checked = await compileQuery(
     declaration(),