feat: Complete zCode CLI X with Telegram bot integration

- Add full Telegram bot functionality with Z.AI API integration
- Implement 4 tools: Bash, FileEdit, WebSearch, Git
- Add 3 agents: Code Reviewer, Architect, DevOps Engineer
- Add 6 skills for common coding tasks
- Add systemd service file for 24/7 operation
- Add nginx configuration for HTTPS webhook
- Add comprehensive documentation
- Implement WebSocket server for real-time updates
- Add logging system with Winston
- Add environment validation

🤖 zCode CLI X - Agentic coder with Z.AI + Telegram integration

~/.npm-cache/ajv@8.18.0@@@1/lib/vocabularies/jtd/metadata.ts

@@ -0,0 +1,24 @@
+import {KeywordCxt} from "../../ajv"
+import type {CodeKeywordDefinition} from "../../types"
+import {alwaysValidSchema} from "../../compile/util"
+
+const def: CodeKeywordDefinition = {
+  keyword: "metadata",
+  schemaType: "object",
+  code(cxt: KeywordCxt) {
+    checkMetadata(cxt)
+    const {gen, schema, it} = cxt
+    if (alwaysValidSchema(it, schema)) return
+    const valid = gen.name("valid")
+    cxt.subschema({keyword: "metadata", jtdMetadata: true}, valid)
+    cxt.ok(valid)
+  },
+}
+
+export function checkMetadata({it, keyword}: KeywordCxt, metadata?: boolean): void {
+  if (it.jtdMetadata !== metadata) {
+    throw new Error(`JTD: "${keyword}" cannot be used in this schema location`)
+  }
+}
+
+export default def