Cross repo isolation

tests/fixtures.py

@@ -73,3 +73,93 @@ def write_empty_repo(root: Path) -> Path:
     repo = root / "empty-repo"
     repo.mkdir()
     return repo
+
+
+def write_key_cape_like_repo(root: Path) -> Path:
+    repo = root / "key-cape-like"
+    repo.mkdir()
+    (repo / "INTENT.md").write_text(
+        "# INTENT\n\n"
+        "Provide lightweight IAM profile enforcement for small deployments.\n\n"
+        "## Intended Capabilities\n\n"
+        "- Enforce OIDC PKCE profiles.\n"
+        "- Validate LDAP schema migrations.\n"
+        "- Run migration tooling for identity data.\n",
+        encoding="utf-8",
+    )
+    (repo / "SCOPE.md").write_text(
+        "# SCOPE\n\n"
+        "Old polluted scope mentions routing LLM provider requests.\n",
+        encoding="utf-8",
+    )
+    (repo / "README.md").write_text(
+        "# KeyCape\n\n"
+        "Lightweight IAM service with OIDC profile enforcement and LDAP schema "
+        "validation. Backend adapters live under src/internal/adapters.\n"
+        "See CLAUDE.md for agent workflow.\n",
+        encoding="utf-8",
+    )
+    (repo / "CLAUDE.md").write_text(
+        "# CLAUDE.md\n\n"
+        "Guidance for Claude Code when working in this repository.\n",
+        encoding="utf-8",
+    )
+    (repo / "src" / "internal" / "adapters").mkdir(parents=True)
+    (repo / "src" / "internal" / "adapters" / "oidc.py").write_text(
+        "def enforce_pkce_profile(client):\n"
+        "    return client.require_pkce\n",
+        encoding="utf-8",
+    )
+    return repo
+
+
+def write_llm_connect_like_repo(root: Path) -> Path:
+    repo = root / "llm-connect-like"
+    repo.mkdir()
+    (repo / "README.md").write_text(
+        "# LLM Connect\n\nSupports OpenRouter and Claude fallback for prompts.\n",
+        encoding="utf-8",
+    )
+    (repo / ".env.example").write_text(
+        "OPENROUTER_API_KEY=\nANTHROPIC_API_KEY=\n",
+        encoding="utf-8",
+    )
+    (repo / "providers.py").write_text(
+        "provider_registry = {'openrouter': OpenRouterAdapter, 'anthropic': ClaudeAdapter}\n"
+        "fallback_provider = 'claude'\n",
+        encoding="utf-8",
+    )
+    return repo
+
+
+def write_facade_repo(root: Path) -> Path:
+    repo = root / "facade-repo"
+    repo.mkdir()
+    (repo / "README.md").write_text(
+        "# Mail Facade\n\n"
+        "Provides a public HTTP facade that wraps the upstream mail classifier.\n",
+        encoding="utf-8",
+    )
+    (repo / "app.py").write_text(
+        "from fastapi import FastAPI\n"
+        "app = FastAPI()\n"
+        '@app.post("/classify")\n'
+        "def classify():\n"
+        "    return {}\n",
+        encoding="utf-8",
+    )
+    return repo
+
+
+def write_dependency_only_repo(root: Path) -> Path:
+    repo = root / "dependency-only"
+    repo.mkdir()
+    (repo / "README.md").write_text(
+        "# Dependency Only\n\nUses OpenRouter during experiments but exposes no API.\n",
+        encoding="utf-8",
+    )
+    (repo / "requirements.txt").write_text(
+        "openai\nanthropic\n",
+        encoding="utf-8",
+    )
+    return repo