feat(gns2): integrate HybridGiteaClient into PollingSupervisor

- PollingSupervisor now uses HybridGiteaClient (MCP primary, REST fallback)
- Added mcpUrl to PipelineConfig
- Supervisor calls initialize() to detect MCP vs REST mode automatically

Refs: Milestone #67, Issue #107

src/kilocode/agent-manager/pipeline-runner.ts

@@ -8,6 +8,7 @@ import {
   logAgentPerformance,
   detectRepository 
 } from "./gitea-client"
+import { HybridGiteaClient } from "./mcp-gitea-client"
 
 export interface PipelineConfig {
   giteaToken?: string
@@ -32,16 +33,20 @@ export interface PipelineResult {
 }
 
 export class PollingSupervisor {
-  private client: GiteaClient
+  private client: HybridGiteaClient
   private efficiencyThreshold: number
   private autoLog: boolean
   private initialized: boolean = false
   private pollInterval: number
 
   constructor(config: PipelineConfig = {}) {
-    this.client = new GiteaClient({
-      token: config.giteaToken,
-      apiUrl: config.giteaApiUrl,
+    // Use Hybrid client: MCP first, REST fallback
+    this.client = new HybridGiteaClient({
+      mcpUrl: config.mcpUrl,  // NEW: MCP server URL
+      restConfig: {
+        token: config.giteaToken,
+        apiUrl: config.giteaApiUrl,
+      }
     })
     this.efficiencyThreshold = config.efficiencyThreshold ?? 7
     this.autoLog = config.autoLog ?? true
@@ -52,7 +57,9 @@ export class PollingSupervisor {
     if (this.initialized) return
     
     const { owner, repo } = await detectRepository()
+    // Hybrid client handles both MCP and REST
     this.client.setRepository(owner, repo)
+    await this.client.initialize()  // Initialize MCP with fallback
     this.initialized = true
   }