feat(wave2): add @mosaic/openclaw-context plugin to monorepo

- OpenClaw → OpenBrain context engine plugin migrated from mosaic/openclaw-openbrain-context
- Depends on @mosaic/types workspace:*
- Typecheck passing

plugins/openclaw-context/tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "lib": ["ES2022"],
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+    "isolatedModules": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "outDir": "dist",
+    "rootDir": ".",
+    "types": ["node", "vitest/globals"],
+    "skipLibCheck": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": ["src/**/*.ts", "tests/**/*.ts"],
+  "exclude": ["dist", "node_modules"]
+}