cli: add --no-recompute and --no-recompute-embeddings flags; docs: clarify HNSW requires --no-compact when disabling recompute

docs/configuration-guide.md

@@ -319,8 +319,8 @@ Details: see “Running Builds on SkyPilot (Optional)” below.
 If you need lower latency and have more storage/memory, disable recomputation. This stores full embeddings and avoids recomputing at search time.
 
 ```bash
-# Build without recomputation
-leann build my-index --no-recompute
+# Build without recomputation (HNSW requires non-compact in this mode)
+leann build my-index --no-recompute --no-compact
 
 # Search without recomputation
 leann search my-index "your query" --no-recompute

packages/leann-core/src/leann/cli.py

@@ -117,7 +117,19 @@ Examples:
         build_parser.add_argument("--complexity", type=int, default=64)
         build_parser.add_argument("--num-threads", type=int, default=1)
         build_parser.add_argument("--compact", action="store_true", default=True)
+        build_parser.add_argument(
+            "--no-compact",
+            dest="compact",
+            action="store_false",
+            help="Disable compact index storage (store full embeddings; higher storage)",
+        )
         build_parser.add_argument("--recompute", action="store_true", default=True)
+        build_parser.add_argument(
+            "--no-recompute",
+            dest="recompute",
+            action="store_false",
+            help="Disable embedding recomputation (store full embeddings; lower query latency)",
+        )
         build_parser.add_argument(
             "--file-types",
             type=str,
@@ -138,6 +150,18 @@ Examples:
             default=True,
             help="Recompute embeddings (default: True)",
         )
+        search_parser.add_argument(
+            "--no-recompute-embeddings",
+            dest="recompute_embeddings",
+            action="store_false",
+            help="Disable embedding recomputation during search",
+        )
+        search_parser.add_argument(
+            "--no-recompute",
+            dest="recompute_embeddings",
+            action="store_false",
+            help="Alias for --no-recompute-embeddings",
+        )
         search_parser.add_argument(
             "--pruning-strategy",
             choices=["global", "local", "proportional"],
@@ -166,6 +190,18 @@ Examples:
             default=True,
             help="Recompute embeddings (default: True)",
         )
+        ask_parser.add_argument(
+            "--no-recompute-embeddings",
+            dest="recompute_embeddings",
+            action="store_false",
+            help="Disable embedding recomputation during ask",
+        )
+        ask_parser.add_argument(
+            "--no-recompute",
+            dest="recompute_embeddings",
+            action="store_false",
+            help="Alias for --no-recompute-embeddings",
+        )
         ask_parser.add_argument(
             "--pruning-strategy",
             choices=["global", "local", "proportional"],