Retire native Browser adapter in favor of configured MCP

.github/codeql/rust-computer-use-contract/queries/NativeVisualResponseCoverageWitness.qhelp

@@ -3,7 +3,7 @@
   <overview>
     <p>
       This summary metric is an applicability witness for the native visual
-      response detector.  It reports the retained production browser visual
+      response detector.  It reports the retained production desktop visual
       handler with the number of successful response exits that the query can
       inspect.
     </p>

.github/codeql/rust-computer-use-contract/queries/NativeVisualResponseCoverageWitness.ql

@@ -1,7 +1,7 @@
 /**
  * @name Native visual response production coverage witness
  * @id rust/native-visual-response-coverage-witness
- * @description Counts successful visual response exits reached by each retained production browser or desktop handler so an empty or fixture-only analysis cannot masquerade as coverage.
+ * @description Counts successful visual response exits reached by the retained production desktop handler so an empty or fixture-only analysis cannot masquerade as coverage.
  *
  * This is a summary metric rather than an alert.  A production analysis must
  * return one row for every selected handler and a non-zero successful-exit

.github/codeql/rust-computer-use-contract/queries/NativeVisualResponseFlow.qll

@@ -17,14 +17,12 @@ import codeql.rust.dataflow.DataFlow
 
 predicate visualProviderFile(File file) {
   file.getRelativePath() = "codex-rs/android-computer-use/src/lib.rs" or
-  file.getRelativePath() = "codex-rs/browser-computer-use/src/lib.rs" or
   file.getRelativePath() = "codex-rs/tui/src/desktop_computer_use_provider.rs" or
   // Keep the historical fixture path for the existing focused query test.
   file.getRelativePath() = "codex-rs/computer-use-runtime/src/lib.rs"
 }
 
 predicate productionVisualProviderFile(File file) {
-  file.getRelativePath() = "codex-rs/browser-computer-use/src/lib.rs" or
   file.getRelativePath() = "codex-rs/tui/src/desktop_computer_use_provider.rs"
 }
 

.github/codeql/rust-computer-use-contract/queries/NativeVisualResponseProductionCoverageMissing.ql

@@ -1,7 +1,7 @@
 /**
  * @name Native visual response production handler coverage missing
  * @id rust/native-visual-response-production-handler-coverage-missing
- * @description The retained production browser visual handler must remain discoverable with at least one recognized successful response exit so native-image guard analysis cannot become vacuous.
+ * @description The retained production desktop visual handler must remain discoverable with at least one recognized successful response exit so native-image guard analysis cannot become vacuous.
  * @kind problem
  * @problem.severity error
  * @precision high
@@ -14,7 +14,7 @@ import rust
 import NativeVisualResponseFlow
 
 predicate expectedProductionHandler(File file, string handlerName) {
-  file.getRelativePath() = "codex-rs/browser-computer-use/src/lib.rs" and
+  file.getRelativePath() = "codex-rs/tui/src/desktop_computer_use_provider.rs" and
   handlerName = "handle_with_provider"
 }
 

.github/codeql/rust-computer-use-contract/test/NativeVisualResponseFlow/NativeVisualResponseFlow.expected

@@ -7,4 +7,3 @@
 | codex-rs/android-computer-use/src/lib.rs:110:9:110:20 | Ok(...) | This successful visual computer-use response is not the same response version that passed a body-backed native-image guard. Preserve aliases and borrows, then guard the returned response without later replacing, resetting, or removing its visual evidence. |
 | codex-rs/android-computer-use/src/lib.rs:145:9:145:20 | Ok(...) | This successful visual computer-use response is not the same response version that passed a body-backed native-image guard. Preserve aliases and borrows, then guard the returned response without later replacing, resetting, or removing its visual evidence. |
 | codex-rs/android-computer-use/src/lib.rs:169:9:169:20 | Ok(...) | This successful visual computer-use response is not the same response version that passed a body-backed native-image guard. Preserve aliases and borrows, then guard the returned response without later replacing, resetting, or removing its visual evidence. |
-| codex-rs/browser-computer-use/src/lib.rs:41:9:41:20 | Ok(...) | This successful visual computer-use response is not the same response version that passed a body-backed native-image guard. Preserve aliases and borrows, then guard the returned response without later replacing, resetting, or removing its visual evidence. |

.github/codeql/rust-computer-use-contract/test/NativeVisualResponseProductionCoverage/NativeVisualResponseCoverageWitness.expected

@@ -1 +1 @@
-| codex-rs/browser-computer-use/src/lib.rs:5:1:7:1 | fn handle_with_provider | 0 |
+| codex-rs/tui/src/desktop_computer_use_provider.rs:5:1:7:1 | fn handle_with_provider | 0 |

.github/codeql/rust-computer-use-contract/test/NativeVisualResponseProductionCoverage/NativeVisualResponseProductionCoverageMissing.expected

@@ -1 +1 @@
-| codex-rs/browser-computer-use/src/lib.rs:0:0:0:0 | codex-rs/browser-computer-use/src/lib.rs | Expected production visual handler 'handle_with_provider' is missing or has no recognized successful response exit, so native-image guard coverage would become vacuous. |
+| codex-rs/tui/src/desktop_computer_use_provider.rs:0:0:0:0 | codex-rs/tui/src/desktop_computer_use_provider.rs | Expected production visual handler 'handle_with_provider' is missing or has no recognized successful response exit, so native-image guard coverage would become vacuous. |

.github/scripts/classify_ci_paths.py

@@ -84,7 +84,6 @@
     ".github/scripts/verify_native_visual_response_contract.py",
     ".github/scripts/test_verify_native_visual_response_contract.py",
     "codex-rs/android-computer-use/src/lib.rs",
-    "codex-rs/browser-computer-use/src/lib.rs",
 }
 
 NATIVE_VISUAL_RESPONSE_CONTRACT_PREFIXES = (

.github/scripts/test_ci_planners.py

@@ -1267,31 +1267,6 @@ def test_app_server_followup_route_picks_full_carry_bundle(self) -> None:
             ],
         )
 
-    def test_native_browser_guidance_routes_to_focused_hosted_lane(self) -> None:
-        paths = [
-            ".codex/skills/use-native-browser/SKILL.md",
-            ".codex/skills/use-native-browser/agents/openai.yaml",
-            ".github/scripts/validation-lanes/native-browser-evidence.sh",
-            ".github/validation-lanes.json",
-            ".github/scripts/test_ci_planners.py",
-            "justfile",
-            "docs/native-computer-use.md",
-            "docs/downstream-tool-surface-matrix.md",
-            "docs/downstream-regression-matrix.md",
-            "docs/divergences/index.yaml",
-            "docs/carry-divergence-ledger.md",
-        ]
-        self.assertEqual(
-            RESOLVE_VALIDATION_PLAN.select_followup_lanes(paths, self.routes),
-            ["codex.native-browser-evidence-targeted"],
-        )
-        self.assertEqual(
-            RESOLVE_VALIDATION_PLAN.select_followup_lanes(
-                paths + ["codex-rs/core/src/config/mod.rs"], self.routes
-            ),
-            [],
-        )
-
     def test_native_computer_use_code_mode_route_covers_wrapper_and_provider_lanes(
         self,
     ) -> None:
@@ -1321,7 +1296,6 @@ def test_native_computer_use_code_mode_route_covers_wrapper_and_provider_lanes(
                 "codex.tui-native-computer-use-targeted",
                 "codex.exec-native-computer-use-targeted",
                 "codex.native-computer-use-tool-registry-targeted",
-                "codex.native-browser-evidence-targeted",
                 "codex.code-mode-declaration-targeted",
                 "codex.native-computer-use-doctor-targeted",
             ],
@@ -4198,11 +4172,11 @@ def test_lab_targeted_ui_protocol_lane_set_returns_selected_matrix(self) -> None
 
         self.assertEqual(payload["run_selected_lanes"], "true")
         self.assertEqual(payload["run_smoke_gate"], "false")
-        self.assertEqual(len(payload["selected_matrix"]["include"]), 28)
-        self.assertEqual(payload["planned_job_count"], 18)
+        self.assertEqual(len(payload["selected_matrix"]["include"]), 27)
+        self.assertEqual(payload["planned_job_count"], 17)
         self.assertEqual(payload["rust_batching_mode"], "auto")
         self.assertEqual(payload["selected_workflow_lane_count"], 0)
-        self.assertEqual(payload["selected_node_lane_count"], 1)
+        self.assertEqual(payload["selected_node_lane_count"], 0)
         self.assertEqual(payload["selected_rust_minimal_lane_count"], 0)
         self.assertEqual(payload["selected_rust_minimal_batch_count"], 9)
         self.assertEqual(payload["selected_rust_integration_lane_count"], 1)
@@ -4269,7 +4243,7 @@ def test_lab_targeted_ui_protocol_can_disable_rust_batching(self) -> None:
             str(REPO_ROOT / ".github/validation-lanes.json"),
         )
 
-        self.assertEqual(payload["planned_job_count"], 28)
+        self.assertEqual(payload["planned_job_count"], 27)
         self.assertEqual(payload["rust_batching_mode"], "off")
         self.assertEqual(payload["rust_batching_reason"], "disabled by workflow input")
         self.assertEqual(payload["selected_rust_minimal_lane_count"], 17)
@@ -4523,7 +4497,7 @@ def test_heavy_plan_splits_selected_lanes_by_setup_class(self) -> None:
         self.assertEqual(payload["run_smoke_gate"], "true")
         self.assertEqual(payload["smoke_gate_kind"], "runtime")
         self.assertEqual(payload["selected_workflow_lane_count"], 1)
-        self.assertEqual(payload["selected_node_lane_count"], 1)
+        self.assertEqual(payload["selected_node_lane_count"], 0)
         self.assertEqual(payload["selected_rust_minimal_lane_count"], 0)
         self.assertEqual(payload["selected_rust_minimal_batch_count"], 13)
         self.assertEqual(payload["selected_rust_integration_lane_count"], 2)
@@ -7443,16 +7417,16 @@ def test_validation_lab_frontier_all_widens_to_all_active_non_explicit_lanes(sel
         self.assertIn("codex.spawn-agent-description-model-surface-targeted", selected_lane_ids)
         self.assertIn("codex.core-multi-agent-orchestration-targeted", selected_lane_ids)
         self.assertNotIn("codex.tui-agent-picker-model-surface-targeted", selected_lane_ids)
-        self.assertEqual(payload["planned_job_count"], 42)
+        self.assertEqual(payload["planned_job_count"], 41)
         self.assertEqual(payload["selected_workflow_lane_count"], 6)
-        self.assertEqual(payload["selected_node_lane_count"], 3)
+        self.assertEqual(payload["selected_node_lane_count"], 2)
         self.assertEqual(payload["selected_rust_minimal_lane_count"], 1)
         self.assertEqual(payload["selected_rust_minimal_batch_count"], 13)
         self.assertEqual(payload["selected_rust_integration_lane_count"], 6)
         self.assertEqual(payload["selected_rust_integration_batch_count"], 12)
         self.assertEqual(payload["selected_release_lane_count"], 1)
         self.assertEqual(payload["workflow_max_parallel"], "6")
-        self.assertEqual(payload["node_max_parallel"], "3")
+        self.assertEqual(payload["node_max_parallel"], "2")
         self.assertEqual(payload["rust_minimal_max_parallel"], "24")
         self.assertEqual(payload["rust_integration_max_parallel"], "25")
         self.assertEqual(payload["release_max_parallel"], "1")
@@ -7480,9 +7454,9 @@ def test_validation_lab_frontier_all_can_include_explicit_only_lanes(self) -> No
         self.assertIn("codex.core-multi-agent-orchestration-targeted", selected_lane_ids)
         self.assertIn("codex.rmcp-client-transport", selected_lane_ids)
         self.assertIn("codex.rmcp-consumers-check", selected_lane_ids)
-        self.assertEqual(payload["planned_job_count"], 50)
+        self.assertEqual(payload["planned_job_count"], 49)
         self.assertEqual(payload["selected_workflow_lane_count"], 8)
-        self.assertEqual(payload["selected_node_lane_count"], 3)
+        self.assertEqual(payload["selected_node_lane_count"], 2)
         self.assertEqual(payload["selected_rust_minimal_lane_count"], 1)
         self.assertEqual(payload["selected_rust_minimal_batch_count"], 16)
         self.assertEqual(payload["selected_rust_integration_lane_count"], 7)
@@ -7601,7 +7575,7 @@ def test_heavy_plan_workflow_dispatch_all_uses_frontier_harvest_policy(self) ->
         self.assertEqual(payload["continue_after_smoke_failure"], "true")
         self.assertEqual(payload["eager_release_lanes"], "true")
         self.assertEqual(payload["workflow_max_parallel"], "8")
-        self.assertEqual(payload["node_max_parallel"], "3")
+        self.assertEqual(payload["node_max_parallel"], "2")
         self.assertEqual(payload["rust_minimal_max_parallel"], "20")
         self.assertEqual(payload["rust_integration_max_parallel"], "8")
         self.assertEqual(payload["release_max_parallel"], "1")

.github/scripts/test_classify_ci_paths.py

@@ -100,7 +100,6 @@ def test_native_visual_contract_changes_select_repo_policy(self) -> None:
             ".github/scripts/verify_native_visual_response_contract.py",
             ".github/scripts/test_verify_native_visual_response_contract.py",
             "codex-rs/android-computer-use/src/lib.rs",
-            "codex-rs/browser-computer-use/src/lib.rs",
         ):
             with self.subTest(path=path):
                 self.assertTrue(classify([path]).repo_policy)