Delete cache.py

cache.py

@@ -1,53 +0,0 @@
-import time
-from typing import Dict, Any, List
-from core.faiss_vector import FaissIndex
-
-_TTL = 300  # seconds
-_cache: Dict[str, Any] = {}
-_faiss = None
-
-def _now():
-    return int(time.time())
-
-def _get_index():
-    global _faiss
-    if _faiss is None:
-        _faiss = FaissIndex()
-    return _faiss
-
-def cache_get(key):
-    v = _cache.get(key)
-    if not v:
-        return None
-    ts, data = v
-    if _now() - ts > _TTL:
-        _cache.pop(key, None)
-        return None
-    return data
-
-def cache_set(key, data: List[dict]):
-    _cache[key] = (_now(), data)
-    # add snippets to FAISS for local semantic recall
-    texts = [d.get("snippet","") for d in data if d.get("snippet")]
-    if texts:
-        try:
-            _get_index().add(texts)
-        except Exception:
-            pass
-
-def dedupe(results: List[dict]) -> List[dict]:
-    seen = set()
-    out = []
-    for r in results:
-        h = hash((r.get("source"), r.get("url"), r.get("snippet")))
-        if h not in seen:
-            seen.add(h)
-            out.append(r)
-    return out
-
-def source_counts(results: List[dict]) -> Dict[str,int]:
-    counts = {}
-    for r in results:
-        s = r.get("source","Unknown")
-        counts[s] = counts.get(s, 0) + 1
-    return counts