diff --git a/src/cli/commands/init/scaffolds/index.ts b/src/cli/commands/init/scaffolds/index.ts
index a1945d9..d2a3179 100644
--- a/src/cli/commands/init/scaffolds/index.ts
+++ b/src/cli/commands/init/scaffolds/index.ts
@@ -45,6 +45,13 @@ export function safeCiScaffold(): ScaffoldResult {
     profiles: { quick: profile },
     presets: { 'safe-ci': preset },
     environments: { local: envLocal },
+    // Uncomment to enforce cross-cutting behavioral rules across all matching routes:
+    // pluginContracts: {
+    //   'auth-presence': {
+    //     appliesTo: '/api/**',
+    //     hooks: { onRequest: { requires: ['request_headers(this).authorization != null'] } },
+    //   },
+    // },
   };
 
   const readmeContent = `
@@ -98,6 +105,9 @@ export function platformObserveScaffold(): ScaffoldResult {
     parallel: true,
     chaos: false,
     observe: true,
+    sampling: 0.1,
+    blocking: false,
+    sinks: { logs: true, metrics: true },
   };
 
   const profile: ProfileDefinition = {
@@ -115,6 +125,7 @@ export function platformObserveScaffold(): ScaffoldResult {
     allowChaos: false,
     allowBlocking: false,
     requireSink: true,
+    sinks: { logs: true, metrics: true },
   };
 
   const envProduction: EnvironmentPolicy = {
@@ -136,6 +147,12 @@ export function platformObserveScaffold(): ScaffoldResult {
       staging: envStaging,
       production: envProduction,
     },
+    // pluginContracts: {
+    //   'request-id': {
+    //     appliesTo: '/api/**',
+    //     hooks: { onSend: { ensures: ['response_headers(this).x-request-id != null'] } },
+    //   },
+    // },
   };
 
   const readmeContent = `
@@ -207,6 +224,12 @@ export function llmSafeScaffold(): ScaffoldResult {
     profiles: { 'llm-check': profile },
     presets: { 'llm-safe': preset },
     environments: { local: envLocal },
+    // pluginContracts: {
+    //   'auth-presence': {
+    //     appliesTo: '/api/**',
+    //     hooks: { onRequest: { requires: ['request_headers(this).authorization != null'] } },
+    //   },
+    // },
   };
 
   const readmeContent = `
@@ -259,6 +282,9 @@ export function protocolLabScaffold(): ScaffoldResult {
     parallel: false,
     chaos: true,
     observe: false,
+    // chaosStrategy: 'sample',   // 'one' | 'all' | 'sample' | 'routes'
+    // chaosSampleSize: 3,        // routes to target when strategy is 'sample'
+    // chaosSampleRoutes: [],     // explicit route list when strategy is 'routes'
   };
 
   const profile: ProfileDefinition = {
@@ -298,6 +324,12 @@ export function protocolLabScaffold(): ScaffoldResult {
       local: envLocal,
       test: envTest,
     },
+    // pluginContracts: {
+    //   'rate-limit': {
+    //     appliesTo: 'POST /api/**',
+    //     hooks: { onResponse: { ensures: ['status != 429'] } },
+    //   },
+    // },
   };
 
   const readmeContent = `
diff --git a/src/cli/core/types.ts b/src/cli/core/types.ts
index c06eebe..2fc76a1 100644
--- a/src/cli/core/types.ts
+++ b/src/cli/core/types.ts
@@ -95,6 +95,7 @@ export interface EnvironmentPolicy {
   allowChaos?: boolean;
   allowBlocking?: boolean;
   requireSink?: boolean;
+  sinks?: Record<string, unknown>;
 }
 
 /**
@@ -145,6 +146,14 @@ export interface PresetDefinition {
   parallel?: boolean;
   chaos?: boolean;
   observe?: boolean;
+  runs?: number;
+  sampling?: number;
+  blocking?: boolean;
+  sinks?: Record<string, unknown>;
+  features?: string[];
+  chaosStrategy?: 'one' | 'all' | 'sample' | 'routes';
+  chaosSampleSize?: number;
+  chaosSampleRoutes?: string[];
 }
 
 /**