Add slack-connector plugin and tests

packages/plugins/official/slack-connector/__tests__/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "../..",
+    "baseUrl": "..",
+    "lib": ["ES2022", "DOM"],
+    "types": ["jest", "node"],
+    "paths": {
+      "@agentbase/plugin-sdk": ["../../../sdk/src/index.ts"]
+    }
+  },
+  "include": ["../src/**/*", "./**/*"],
+  "exclude": ["node_modules", "dist"]
+}

packages/plugins/official/slack-connector/manifest.json

@@ -0,0 +1,10 @@
+{
+  "name": "slack-connector",
+  "version": "1.0.0",
+  "description": "Connect your Agentbase AI to Slack — @mentions, slash commands, and AI-powered channel responses.",
+  "entryPoint": "dist/index.js",
+  "author": "Agentbase Team",
+  "agentbaseVersion": ">=1.0.0",
+  "permissions": ["network:external", "db:readwrite"],
+  "peerDependencies": {}
+}

packages/plugins/official/slack-connector/package.json

@@ -0,0 +1,41 @@
+{
+  "name": "@agentbase/plugin-slack-connector",
+  "version": "1.0.0",
+  "description": "Connect your Agentbase AI to Slack — @mentions, slash commands, and AI-powered channel responses.",
+  "private": true,
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "license": "GPL-3.0-or-later",
+  "scripts": {
+    "build": "tsc",
+    "test": "jest --passWithNoTests",
+    "test:cov": "jest --coverage --passWithNoTests"
+  },
+  "dependencies": {
+    "@agentbase/plugin-sdk": "workspace:*"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.0",
+    "@types/node": "^25.5.2",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.2.0",
+    "typescript": "^5.7.0"
+  },
+  "jest": {
+    "preset": "ts-jest",
+    "testEnvironment": "node",
+    "testMatch": [
+      "**/__tests__/**/*.test.ts"
+    ],
+    "globals": {
+      "ts-jest": {
+        "tsconfig": "./tsconfig.test.json"
+      }
+    },
+    "coverageThreshold": {
+      "global": {
+        "lines": 80
+      }
+    }
+  }
+}