fix: correct Abiba platform label (pi not openclaw), add plugin skeletons, shared config, fix health port

- Replace all 'openclaw' references with 'pi' (pi coding harness)
- Fix Git remote URL in CONTEXT.md
- Harmonize health port to 9200 across all docs
- Add config.yaml.example with full schema
- Add pi-zulip-extension skeleton (TypeScript, pi Extension API)
- Add hermes-zulip-plugin skeleton (Python, BasePlatformAdapter)
- Add agent-zero-plugin skeleton (Python, A0 plugin API)
- Update ADR-007 with pi extension docs reference
- Document private topic ACL v1 limitation in CONTEXT.md

pi-zulip-extension/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "pi-zulip-extension",
+  "version": "0.1.0",
+  "description": "pi extension for Zulip agent communication — connects Abiba to the Sysloggh agent mesh",
+  "main": "src/index.ts",
+  "type": "module",
+  "scripts": {
+    "build": "tsc",
+    "check": "tsc --noEmit"
+  },
+  "dependencies": {
+    "zulip-js": "^2.0.0",
+    "yaml": "^2.0.0"
+  },
+  "devDependencies": {
+    "@earendil-works/pi-coding-agent": "*",
+    "typescript": "^5.0.0"
+  },
+  "keywords": ["pi", "zulip", "agent", "abiba", "sysloggh"],
+  "license": "UNLICENSED",
+  "private": true
+}