feat: add comprehensive logging infrastructure

- Add Loki/Prometheus/Grafana stack in logging-stack/
- Add log-ingest service for receiving events from AI stacks
- Add Grafana dashboard with stack_name filtering
- Update Dokploy client with setApplicationEnv method
- Configure STACK_NAME env var for deployed stacks
- Add alerting rules for stack health monitoring

src/api/dokploy-production.ts

@@ -388,6 +388,16 @@ export class DokployProductionClient {
     );
   }
 
+  async setApplicationEnv(applicationId: string, env: string): Promise<void> {
+    await this.request(
+      'POST',
+      '/application.update',
+      { applicationId, env },
+      'application',
+      'set-env'
+    );
+  }
+
   async getApplication(applicationId: string): Promise<DokployApplication> {
     return this.request<DokployApplication>(
       'GET',

src/api/dokploy.ts

@@ -149,6 +149,20 @@ export class DokployClient {
     } satisfies CreateDomainRequest);
   }
 
+  async setApplicationEnv(applicationId: string, env: string): Promise<void> {
+    await this.request('POST', '/application.update', { 
+      applicationId, 
+      env 
+    });
+  }
+
+  async addApplicationLabel(applicationId: string, key: string, value: string): Promise<void> {
+    await this.request('POST', '/application.update', { 
+      applicationId,
+      dockerLabels: `${key}=${value}`
+    });
+  }
+
   async deployApplication(applicationId: string): Promise<void> {
     await this.request('POST', '/application.deploy', { applicationId });
   }

src/orchestrator/production-deployer.ts

@@ -280,6 +280,18 @@ export class ProductionDeployer {
       registryId: config.registryId,
     });
 
+    state.progress = 52;
+    state.message = 'Setting environment variables for logging';
+
+    const envVars = [
+      `STACK_NAME=${config.stackName}`,
+      `USAGE_LOGGING_ENABLED=true`,
+      `LOG_INGEST_URL=${process.env.LOG_INGEST_URL || 'http://10.100.0.20:3102/ingest'}`,
+      `METRICS_PORT=9090`,
+    ].join('\n');
+
+    await this.client.setApplicationEnv(state.resources.applicationId, envVars);
+
     state.progress = 55;
     state.message = 'Creating persistent storage';