feat: scheduled messages — schedule_reminder, send_later, list_scheduled, cancel_scheduled

- Broker: schedule/list_scheduled/cancel_scheduled WS message types + in-memory delivery
- Client: scheduleMessage(), listScheduled(), cancelScheduled() with resolver Map pattern
- MCP: schedule_reminder, send_later, list_scheduled, cancel_scheduled tools
- CLI: claudemesh remind <msg> --in 2h | --at 15:00 | list | cancel <id>
- Types: WSScheduleMessage, WSScheduledAckMessage, WSScheduledListMessage, WSCancelScheduledAckMessage

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -47,16 +47,50 @@
       "duckdb",
       "better-sqlite3",
       "sharp"
-    ],
-    "overrides": {
-      "csstype": "3.1.3",
-      "@types/react": "19.2.7"
-    }
+    ]
   },
   "engines": {
     "node": ">=22.17.0"
   },
   "dependencies": {
     "react": "19.2.3"
+  },
+  "overrides": {
+    "csstype": "3.1.3",
+    "@types/react": "19.2.7"
+  },
+  "workspaces": {
+    "packages": [
+      "apps/*",
+      "packages/**",
+      "tooling/*"
+    ],
+    "catalog": {
+      "@tanstack/react-query": "5.90.6",
+      "@tanstack/react-query-devtools": "5.90.2",
+      "@tanstack/react-table": "8.21.3",
+      "@vitest/coverage-v8": "4.0.14",
+      "@ai-sdk/react": "2.0.94",
+      "ai": "5.0.94",
+      "envin": "1.1.10",
+      "eslint": "9.39.0",
+      "prettier": "3.6.2",
+      "react-hook-form": "7.66.0",
+      "react-native": "0.81.5",
+      "typescript": "5.9.3",
+      "vitest": "4.0.14",
+      "zod": "4.1.13"
+    },
+    "catalogs": {
+      "node22": {
+        "@types/node": "22.16.0"
+      },
+      "react19": {
+        "@types/react": "19.1.14",
+        "@types/react-dom": "19.1.9",
+        "react": "19.1.0",
+        "react-dom": "19.1.0"
+      }
+    }
   }
 }