chore: update claude-agent-sdk to 0.2.76, read dashboard config from .env

- Bump @anthropic-ai/claude-agent-sdk 0.2.68 → 0.2.76
- Read STATUS_CHANNEL_ID and USAGE_DASHBOARD from .env file

runners/agent-runner/package-lock.json

@@ -8,7 +8,7 @@
       "name": "nanoclaw-agent-runner",
       "version": "1.0.0",
       "dependencies": {
-        "@anthropic-ai/claude-agent-sdk": "^0.2.34",
+        "@anthropic-ai/claude-agent-sdk": "^0.2.76",
         "@modelcontextprotocol/sdk": "^1.12.1",
         "cron-parser": "^5.0.0",
         "zod": "^4.0.0"
@@ -19,9 +19,9 @@
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk": {
-      "version": "0.2.68",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.68.tgz",
-      "integrity": "sha512-y4n6hTTgAqmiV/pqy1G4OgIdg6gDiAKPJaEgO1NOh7/rdsrXyc/HQoUmUy0ty4HkBq1hasm7hB92wtX3W1UMEw==",
+      "version": "0.2.76",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.76.tgz",
+      "integrity": "sha512-HZxvnT8ZWkzCnQygaYCA0dl8RSUzuVbxE1YG4ecy6vh4nQbTT36CxUxBy+QVdR12pPQluncC0mCOLhI2918Eaw==",
       "license": "SEE LICENSE IN README.md",
       "engines": {
         "node": ">=18.0.0"