thekevinbot · Sep 5, 2026 · Sep 5, 2026 · Sep 5, 2026 · Sep 5, 2026 · Sep 5, 2026
diff --git a/.github/workflows/internals-distcheck-ci.yml b/.github/workflows/internals-distcheck-ci.yml
@@ -9,6 +9,8 @@ on:
       - 'internals/distcheck/src/**'
       - 'internals/distcheck/tests/**'
       - 'internals/distcheck/pyproject.toml'
+      # The published-target table this lane's platform lookup reads.
+      - 'packages/ts/src/platforms.json'
       # This lane passes no `config:`, so the reusable workflow's default
       # applies and the ROOT testing-conventions.toml governs it -- an unknown
       # key there fails this lane too.

diff --git a/.github/workflows/platforms-mirror-check.yml b/.github/workflows/platforms-mirror-check.yml
diff --git a/internals/checks/e2e-attestations/claude-1074-platform-table-single-source.json b/internals/checks/e2e-attestations/claude-1074-platform-table-single-source.json
@@ -0,0 +1,7 @@
+{
+  "command": "uv run python -m pytest tests/e2e -x -q",
+  "ran_at": 1788609669,
+  "exit_code": 0,
+  "commit": "c92fd606e9cbc936828378f5481e0c0dbdda98c0",
+  "branch": "claude/1074-platform-table-single-source"
+}
diff --git a/internals/checks/src/checks/cli.py b/internals/checks/src/checks/cli.py
@@ -12,7 +12,6 @@
 from checks.attestation_guard.cli import cli as attestation_guard
 from checks.changelog_gate.cli import cli as changelog_gate
 from checks.declared_deps.cli import cli as declared_deps
-from checks.platforms_mirror.cli import cli as platforms_mirror
 from checks.preflight.cli import cli as preflight
 from checks.pytest_gate.cli import cli as pytest_gate
 from checks.release_globs.cli import cli as release_globs
@@ -28,7 +27,6 @@ def main() -> None:
 main.add_command(attestation_guard, name="attestation-guard")
 main.add_command(changelog_gate, name="changelog-gate")
 main.add_command(declared_deps, name="declared-deps")
-main.add_command(platforms_mirror, name="platforms-mirror")
 main.add_command(preflight, name="preflight")
 main.add_command(pytest_gate, name="pytest-gate")
 main.add_command(release_globs, name="release-globs")

diff --git a/internals/checks/src/checks/cli_test.py b/internals/checks/src/checks/cli_test.py
@@ -30,10 +30,6 @@ def test_declared_deps_is_registered():
     assert "declared-deps" in main.commands
 
 
-def test_platforms_mirror_is_registered():
-    assert "platforms-mirror" in main.commands
-
-
 def test_preflight_is_registered():
     assert "preflight" in main.commands
 

diff --git a/internals/checks/src/checks/platforms_mirror/__init__.py b/internals/checks/src/checks/platforms_mirror/__init__.py
diff --git a/internals/checks/src/checks/platforms_mirror/as_json.py b/internals/checks/src/checks/platforms_mirror/as_json.py
diff --git a/internals/checks/src/checks/platforms_mirror/as_json_test.py b/internals/checks/src/checks/platforms_mirror/as_json_test.py
diff --git a/internals/checks/src/checks/platforms_mirror/assigned_names.py b/internals/checks/src/checks/platforms_mirror/assigned_names.py
diff --git a/internals/checks/src/checks/platforms_mirror/assigned_names_test.py b/internals/checks/src/checks/platforms_mirror/assigned_names_test.py
diff --git a/internals/checks/src/checks/platforms_mirror/call_name.py b/internals/checks/src/checks/platforms_mirror/call_name.py
diff --git a/internals/checks/src/checks/platforms_mirror/call_name_test.py b/internals/checks/src/checks/platforms_mirror/call_name_test.py
diff --git a/internals/checks/src/checks/platforms_mirror/cli.py b/internals/checks/src/checks/platforms_mirror/cli.py
diff --git a/internals/checks/src/checks/platforms_mirror/cli_test.py b/internals/checks/src/checks/platforms_mirror/cli_test.py
diff --git a/internals/checks/src/checks/platforms_mirror/dataclass_fields.py b/internals/checks/src/checks/platforms_mirror/dataclass_fields.py
diff --git a/internals/checks/src/checks/platforms_mirror/dataclass_fields_test.py b/internals/checks/src/checks/platforms_mirror/dataclass_fields_test.py
diff --git a/internals/checks/src/checks/platforms_mirror/decide.py b/internals/checks/src/checks/platforms_mirror/decide.py
diff --git a/internals/checks/src/checks/platforms_mirror/decide_test.py b/internals/checks/src/checks/platforms_mirror/decide_test.py