docs(memory-ruvector): remove non-functional remote mode

Remote mode was documented but the implementation is placeholder only
(random vectors, no HTTP client). This removes misleading documentation
until remote mode is actually implemented.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/plugins/memory-ruvector.md

@@ -34,10 +34,6 @@ Restart the Gateway afterwards.
 
 Set config under `plugins.entries.memory-ruvector.config`:
 
-### Local mode (recommended)
-
-Local mode runs an embedded ruvector database with full hook support for automatic message indexing.
-
 ```json5
 {
   plugins: {
@@ -67,28 +63,6 @@ Local mode runs an embedded ruvector database with full hook support for automat
 }
 ```
 
-### Remote mode
-
-Remote mode connects to an external ruvector server. Note: remote mode does not support automatic message indexing hooks.
-
-```json5
-{
-  plugins: {
-    entries: {
-      "memory-ruvector": {
-        enabled: true,
-        config: {
-          url: "https://ruvector.example.com",
-          apiKey: "${RUVECTOR_API_KEY}",
-          collection: "clawdbot-memory",
-          timeoutMs: 5000
-        }
-      }
-    }
-  }
-}
-```
-
 ## Embedding providers
 
 | Provider | Models | Dimensions | Notes |

extensions/memory-ruvector/PR_DESCRIPTION.md

@@ -26,17 +26,9 @@ While clawdbot already has excellent memory capabilities via `memory-lancedb`, t
 
 ## Architecture
 
-### Dual-Mode Operation
+### Configuration
 
 ```yaml
-# Remote Mode - Connect to external ruvector server
-plugins:
-  memory-ruvector:
-    url: https://ruvector.example.com
-    apiKey: ${RUVECTOR_API_KEY}
-    collection: clawdbot-memory
-
-# Local Mode - Embedded database with full hook support
 plugins:
   memory-ruvector:
     embedding:
@@ -52,7 +44,7 @@ plugins:
 
 ```
 extensions/memory-ruvector/
-├── index.ts              # Plugin registration, dual-mode routing
+├── index.ts              # Plugin registration and tool setup
 ├── service.ts            # Lifecycle management (start/stop), SONA + Graph init
 ├── client.ts             # RuvectorClient wrapper for native API
 ├── db.ts                 # High-level database abstraction