fix(ci): read p0 sources in runtime layout

apps/api/src/services/p0_cicd_baseline_source_readiness.py

@@ -45,7 +45,7 @@ def _enrich_source_presence(payload: dict[str, Any], repo_root: Path) -> None:
     for source in required_sources:
         item = _dict(source)
         relative_path = str(item.get("path") or "")
-        present = bool(relative_path) and (repo_root / relative_path).is_file()
+        present = bool(relative_path) and _source_present(repo_root, relative_path)
         item["present"] = present
         if present:
             present_ids.append(str(item.get("id") or relative_path))
@@ -72,6 +72,18 @@ def _enrich_source_presence(payload: dict[str, Any], repo_root: Path) -> None:
     )
 
 
+def _source_present(repo_root: Path, relative_path: str) -> bool:
+    if (repo_root / relative_path).is_file():
+        return True
+
+    api_prefix = "apps/api/"
+    if relative_path.startswith(api_prefix):
+        runtime_relative_path = relative_path.removeprefix(api_prefix)
+        return (repo_root / runtime_relative_path).is_file()
+
+    return False
+
+
 def _require_schema(payload: dict[str, Any], label: str) -> None:
     actual = payload.get("schema_version")
     if actual != _SCHEMA_VERSION: