oracle_rows: track freshness plainly; phast_status reports the Oracle cache

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FAqjv1sLfUad2bMcsmPbRT

server.py

@@ -45,24 +45,24 @@ def oracle_rows() -> list[dict[str, Any]]:
     now = time.time()
     if _oracle["rows"] and now - _oracle["at"] < ORACLE_TTL:
         return _oracle["rows"]
-    text = ""
+    text, fresh = "", ""
     try:
         response = httpx.get(ORACLE + "/search.json", timeout=30, headers={"User-Agent": "phast-app/0.2"})
         if response.status_code == 200:
-            text = response.text
+            text, fresh = response.text, response.headers.get("last-modified", "")
             try:
                 ORACLE_CACHE.write_text(text)
             except OSError:
                 pass
     except httpx.HTTPError:
-        text = ""
+        pass
     if not text and not _oracle["rows"] and ORACLE_CACHE.exists():
-        text = ORACLE_CACHE.read_text()
+        text, fresh = ORACLE_CACHE.read_text(), "cache"
     if text:
         payload = json.loads(text)
         columns = payload["columns"]
         _oracle["rows"] = [dict(zip(columns, row)) for row in payload["rows"]]
-        _oracle["fresh"] = response.headers.get("last-modified", "") if text and "response" in locals() else ""
+        _oracle["fresh"] = fresh
     _oracle["at"] = now
     return _oracle["rows"]
 
@@ -302,7 +302,8 @@ m = FastMCP(
 
 @m.tool()
 def phast_status() -> dict:
-    return {"ok": True, "actor": actor(), "version": "0.2.0"}
+    return {"ok": True, "actor": actor(), "version": "0.2.1", "oracle": ORACLE,
+            "oracle_capabilities": len(_oracle["rows"]), "oracle_fresh": _oracle["fresh"]}
 
 
 @m.tool()