fix(ci): read p0 sources in runtime layout

apps/api/tests/test_p0_cicd_baseline_source_readiness_api.py

@@ -1,5 +1,8 @@
 from __future__ import annotations
 
+import json
+from pathlib import Path
+
 from fastapi import FastAPI
 from fastapi.testclient import TestClient
 
@@ -32,6 +35,14 @@ from src.services.p0_cicd_baseline_source_readiness import (
     load_latest_p0_cicd_baseline_source_readiness,
 )
 
+_REPO_ROOT = Path(__file__).resolve().parents[3]
+_SNAPSHOT_PATH = (
+    _REPO_ROOT
+    / "docs"
+    / "operations"
+    / "p0-cicd-baseline-source-readiness.snapshot.json"
+)
+
 
 def test_p0_cicd_baseline_source_readiness_loader_reports_ready_sources():
     payload = load_latest_p0_cicd_baseline_source_readiness()
@@ -53,6 +64,34 @@ def test_p0_cicd_baseline_source_readiness_loader_reports_ready_sources():
     assert payload["operation_boundaries"]["secret_read_allowed"] is False
 
 
+def test_p0_cicd_baseline_source_readiness_supports_runtime_image_layout(tmp_path):
+    operations_dir = tmp_path / "docs" / "operations"
+    operations_dir.mkdir(parents=True)
+    payload = json.loads(_SNAPSHOT_PATH.read_text(encoding="utf-8"))
+    (operations_dir / _SNAPSHOT_PATH.name).write_text(
+        json.dumps(payload),
+        encoding="utf-8",
+    )
+
+    for source in payload["required_sources"]:
+        relative_path = source["path"]
+        if relative_path.startswith("apps/api/"):
+            runtime_path = tmp_path / relative_path.removeprefix("apps/api/")
+            runtime_path.parent.mkdir(parents=True, exist_ok=True)
+            runtime_path.write_text("# runtime image source\n", encoding="utf-8")
+        else:
+            repo_path = tmp_path / relative_path
+            repo_path.parent.mkdir(parents=True, exist_ok=True)
+            repo_path.write_text("{}", encoding="utf-8")
+
+    data = load_latest_p0_cicd_baseline_source_readiness(operations_dir)
+
+    assert data["status"] == "ready_for_template_copy_apply_gate"
+    assert data["rollups"]["present_required_source_count"] == 11
+    assert data["rollups"]["missing_required_source_count"] == 0
+    assert data["rollups"]["blocked_source_ids"] == []
+
+
 def test_recreated_onboarding_sources_keep_apply_gates_closed():
     response = {
         "accept_warning_only_scope": True,