diff --git a/codex-rs/agent-graph-store/BUILD.bazel b/codex-rs/agent-graph-store/BUILD.bazel
index 96c077e263..8556291e9a 100644
--- a/codex-rs/agent-graph-store/BUILD.bazel
+++ b/codex-rs/agent-graph-store/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "agent-graph-store",
     crate_name = "codex_agent_graph_store",
+    test_sizes = {
+        "agent-graph-store-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/app-server-transport/BUILD.bazel b/codex-rs/app-server-transport/BUILD.bazel
index f6ecba6804..313437ec77 100644
--- a/codex-rs/app-server-transport/BUILD.bazel
+++ b/codex-rs/app-server-transport/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "app-server-transport",
     crate_name = "codex_app_server_transport",
+    test_sizes = {
+        "app-server-transport-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/app-server/BUILD.bazel b/codex-rs/app-server/BUILD.bazel
index 05dae7352b..5e653d4cbc 100644
--- a/codex-rs/app-server/BUILD.bazel
+++ b/codex-rs/app-server/BUILD.bazel
@@ -21,7 +21,6 @@ codex_rust_crate(
         "app-server-unit-tests": 8,
     },
     test_sizes = {
-        "app-server-all-test": "medium",
         "app-server-all-test-windows-cross": "medium",
     },
     test_tags = ["no-sandbox"],
diff --git a/codex-rs/codex-backend-openapi-models/BUILD.bazel b/codex-rs/codex-backend-openapi-models/BUILD.bazel
index e46cf0c3fd..7a24634a81 100644
--- a/codex-rs/codex-backend-openapi-models/BUILD.bazel
+++ b/codex-rs/codex-backend-openapi-models/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "codex-backend-openapi-models",
     crate_name = "codex_backend_openapi_models",
+    test_sizes = {
+        "codex-backend-openapi-models-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/codex-experimental-api-macros/BUILD.bazel b/codex-rs/codex-experimental-api-macros/BUILD.bazel
index 370a4ed8c5..7794383576 100644
--- a/codex-rs/codex-experimental-api-macros/BUILD.bazel
+++ b/codex-rs/codex-experimental-api-macros/BUILD.bazel
@@ -4,4 +4,7 @@ codex_rust_crate(
     name = "codex-experimental-api-macros",
     crate_name = "codex_experimental_api_macros",
     proc_macro = True,
+    test_sizes = {
+        "codex-experimental-api-macros-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/collaboration-mode-templates/BUILD.bazel b/codex-rs/collaboration-mode-templates/BUILD.bazel
index 4e6a69f002..bc4b2b3821 100644
--- a/codex-rs/collaboration-mode-templates/BUILD.bazel
+++ b/codex-rs/collaboration-mode-templates/BUILD.bazel
@@ -4,6 +4,9 @@ codex_rust_crate(
     name = "collaboration-mode-templates",
     compile_data = glob(["templates/*.md"]),
     crate_name = "codex_collaboration_mode_templates",
+    test_sizes = {
+        "collaboration-mode-templates-unit-tests-windows-cross": "medium",
+    },
 )
 
 exports_files(
diff --git a/codex-rs/core/BUILD.bazel b/codex-rs/core/BUILD.bazel
index b795964cd8..274cb66c38 100644
--- a/codex-rs/core/BUILD.bazel
+++ b/codex-rs/core/BUILD.bazel
@@ -47,7 +47,7 @@ codex_rust_crate(
         "core-unit-tests": 8,
     },
     test_sizes = {
-        "core-unit-tests": "medium",
+        "core-all-test-windows-cross": "medium",
         "core-unit-tests-windows-cross": "medium",
     },
     test_tags = ["no-sandbox"],
diff --git a/codex-rs/exec-server/BUILD.bazel b/codex-rs/exec-server/BUILD.bazel
index 3a59281892..94b08895c4 100644
--- a/codex-rs/exec-server/BUILD.bazel
+++ b/codex-rs/exec-server/BUILD.bazel
@@ -16,5 +16,8 @@ codex_rust_crate(
     # they install process-global test-binary dispatch state, and the remote
     # exec-server cases already rely on serialization around the full CLI path.
     integration_test_args = ["--test-threads=1"],
+    test_sizes = {
+        "exec-server-unit-tests-windows-cross": "medium",
+    },
     test_tags = ["no-sandbox"],
 )
diff --git a/codex-rs/exec/BUILD.bazel b/codex-rs/exec/BUILD.bazel
index 1cac4e0bc6..6aec3e0b77 100644
--- a/codex-rs/exec/BUILD.bazel
+++ b/codex-rs/exec/BUILD.bazel
@@ -6,9 +6,5 @@ codex_rust_crate(
     test_shard_counts = {
         "exec-all-test": 8,
     },
-    test_sizes = {
-        "exec-all-test": "medium",
-        "exec-all-test-windows-cross": "medium",
-    },
     test_tags = ["no-sandbox"],
 )
diff --git a/codex-rs/git-utils/BUILD.bazel b/codex-rs/git-utils/BUILD.bazel
index 346fd3f8f4..07a3d0dc97 100644
--- a/codex-rs/git-utils/BUILD.bazel
+++ b/codex-rs/git-utils/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "git-utils",
     crate_name = "codex_git_utils",
+    test_sizes = {
+        "git-utils-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/keyring-store/BUILD.bazel b/codex-rs/keyring-store/BUILD.bazel
index eb0cbded94..6f05263c2a 100644
--- a/codex-rs/keyring-store/BUILD.bazel
+++ b/codex-rs/keyring-store/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "keyring-store",
     crate_name = "codex_keyring_store",
+    test_sizes = {
+        "keyring-store-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/linux-sandbox/BUILD.bazel b/codex-rs/linux-sandbox/BUILD.bazel
index 2770b97e09..0f033c633f 100644
--- a/codex-rs/linux-sandbox/BUILD.bazel
+++ b/codex-rs/linux-sandbox/BUILD.bazel
@@ -6,4 +6,8 @@ codex_rust_crate(
     extra_binaries = [
         "//codex-rs/bwrap:bwrap",
     ],
+    test_sizes = {
+        "linux-sandbox-all-test-windows-cross": "medium",
+        "linux-sandbox-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/process-hardening/BUILD.bazel b/codex-rs/process-hardening/BUILD.bazel
index ca657163ba..e624de686d 100644
--- a/codex-rs/process-hardening/BUILD.bazel
+++ b/codex-rs/process-hardening/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "process-hardening",
     crate_name = "codex_process_hardening",
+    test_sizes = {
+        "process-hardening-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/rmcp-client/BUILD.bazel b/codex-rs/rmcp-client/BUILD.bazel
index 89a1963ecc..f44838a757 100644
--- a/codex-rs/rmcp-client/BUILD.bazel
+++ b/codex-rs/rmcp-client/BUILD.bazel
@@ -6,4 +6,7 @@ codex_rust_crate(
     extra_binaries = [
         "//codex-rs/cli:codex",
     ],
+    test_sizes = {
+        "rmcp-client-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/shell-command/BUILD.bazel b/codex-rs/shell-command/BUILD.bazel
index 9eaa1377a1..5dc2e1455d 100644
--- a/codex-rs/shell-command/BUILD.bazel
+++ b/codex-rs/shell-command/BUILD.bazel
@@ -4,4 +4,7 @@ codex_rust_crate(
     name = "shell-command",
     compile_data = ["src/command_safety/powershell_parser.ps1"],
     crate_name = "codex_shell_command",
+    test_sizes = {
+        "shell-command-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/uds/BUILD.bazel b/codex-rs/uds/BUILD.bazel
index a539147dd2..0a4ac2a8cf 100644
--- a/codex-rs/uds/BUILD.bazel
+++ b/codex-rs/uds/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "uds",
     crate_name = "codex_uds",
+    test_sizes = {
+        "uds-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/cargo-bin/BUILD.bazel b/codex-rs/utils/cargo-bin/BUILD.bazel
index e4a96f5b6d..f4a8df845f 100644
--- a/codex-rs/utils/cargo-bin/BUILD.bazel
+++ b/codex-rs/utils/cargo-bin/BUILD.bazel
@@ -14,4 +14,7 @@ codex_rust_crate(
         "CODEX_REPO_ROOT_MARKER": "$(rlocationpath :repo_root.marker)",
     },
     test_data_extra = ["repo_root.marker"],
+    test_sizes = {
+        "cargo-bin-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/elapsed/BUILD.bazel b/codex-rs/utils/elapsed/BUILD.bazel
index dcc7b206d2..85a0d5d403 100644
--- a/codex-rs/utils/elapsed/BUILD.bazel
+++ b/codex-rs/utils/elapsed/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "elapsed",
     crate_name = "codex_utils_elapsed",
+    test_sizes = {
+        "elapsed-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/fuzzy-match/BUILD.bazel b/codex-rs/utils/fuzzy-match/BUILD.bazel
index bcafc00355..28f49603ee 100644
--- a/codex-rs/utils/fuzzy-match/BUILD.bazel
+++ b/codex-rs/utils/fuzzy-match/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "fuzzy-match",
     crate_name = "codex_utils_fuzzy_match",
+    test_sizes = {
+        "fuzzy-match-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/image/BUILD.bazel b/codex-rs/utils/image/BUILD.bazel
index 0bc9e6b177..70f71ea337 100644
--- a/codex-rs/utils/image/BUILD.bazel
+++ b/codex-rs/utils/image/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "image",
     crate_name = "codex_utils_image",
+    test_sizes = {
+        "image-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/rustls-provider/BUILD.bazel b/codex-rs/utils/rustls-provider/BUILD.bazel
index 1acae527af..4a8a4d9c7f 100644
--- a/codex-rs/utils/rustls-provider/BUILD.bazel
+++ b/codex-rs/utils/rustls-provider/BUILD.bazel
@@ -3,4 +3,8 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "rustls-provider",
     crate_name = "codex_utils_rustls_provider",
+    test_sizes = {
+        "rustls-provider-preinstalled-test-windows-cross": "medium",
+        "rustls-provider-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/stream-parser/BUILD.bazel b/codex-rs/utils/stream-parser/BUILD.bazel
index e94b3d7404..47bde97125 100644
--- a/codex-rs/utils/stream-parser/BUILD.bazel
+++ b/codex-rs/utils/stream-parser/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "stream-parser",
     crate_name = "codex_utils_stream_parser",
+    test_sizes = {
+        "stream-parser-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/string/BUILD.bazel b/codex-rs/utils/string/BUILD.bazel
index 468cdf6fe7..72b68f0523 100644
--- a/codex-rs/utils/string/BUILD.bazel
+++ b/codex-rs/utils/string/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "string",
     crate_name = "codex_utils_string",
+    test_sizes = {
+        "string-unit-tests-windows-cross": "medium",
+    },
 )
diff --git a/codex-rs/utils/template/BUILD.bazel b/codex-rs/utils/template/BUILD.bazel
index 4b3376de4e..d29f715453 100644
--- a/codex-rs/utils/template/BUILD.bazel
+++ b/codex-rs/utils/template/BUILD.bazel
@@ -3,4 +3,7 @@ load("//:defs.bzl", "codex_rust_crate")
 codex_rust_crate(
     name = "template",
     crate_name = "codex_utils_template",
+    test_sizes = {
+        "template-unit-tests-windows-cross": "medium",
+    },
 )