Bump to 0.2.0 and expose version + llm_enabled on /health

/health now reports the running version and whether an LLM key is
configured, so a deploy can be verified at a glance (GET /api/health).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WN4QRr6dTE2W7hQ2SDnLmY

backend/app/__init__.py

@@ -1,3 +1,3 @@
 """DocuAsk backend package."""
 
-__version__ = "0.1.0"
+__version__ = "0.2.0"

backend/app/main.py

@@ -16,7 +16,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
 
 from . import __version__, db
-from .generate import generate_answer
+from .generate import generate_answer, llm_available
 from .parsing import DocumentError, chunk_text, extract_pdf_text
 from .retrieval import DocumentIndex, best_sentence
 from .store import store
@@ -56,9 +56,10 @@ app.add_middleware(
 
 
 @app.get("/health")
-def health() -> dict[str, str]:
-    """Liveness probe used by the frontend and Docker healthcheck."""
-    return {"status": "ok"}
+def health() -> dict[str, object]:
+    """Liveness probe. Also reports the running version and whether LLM answer
+    generation is configured, which makes deploys easy to verify."""
+    return {"status": "ok", "version": __version__, "llm_enabled": llm_available()}
 
 
 def _looks_like_pdf(file: UploadFile) -> bool:

backend/tests/test_health.py

@@ -10,4 +10,7 @@ client = TestClient(app)
 def test_health_returns_ok():
     response = client.get("/health")
     assert response.status_code == 200
-    assert response.json() == {"status": "ok"}
+    body = response.json()
+    assert body["status"] == "ok"
+    assert "version" in body
+    assert "llm_enabled" in body

backend/tests/test_server.py

@@ -14,4 +14,4 @@ client = TestClient(root)
 def test_api_is_mounted_under_api_prefix():
     response = client.get("/api/health")
     assert response.status_code == 200
-    assert response.json() == {"status": "ok"}
+    assert response.json()["status"] == "ok"