docs(architect): weekly KB update — 66 files refreshed (2026-04)

Updated 66 stale knowledge base reference files (10 critical, 56 high)
across all 5 skills using Microsoft Learn MCP research.

Key factual updates:
- Groundedness Detection API: `correction` → `mitigating` param,
  `correctedText` → `correctionText` (breaking change)
- Copilot Studio: GPT-4.1 mini now default (was GPT-4o mini);
  Claude Sonnet 4.5 + Opus 4.5 added (experimental, 200K ctx)
- Agentic Retrieval: still public preview; 50M free tokens/month
- Azure security baselines: "Cognitive Services" → "Foundry Tools"
- Databricks: Delta Live Tables → Lakeflow Spark Declarative Pipelines
- MLflow 3 GenAI: new Feedback/Expectation data model
- Token tracking doc: "Azure OpenAI in Foundry Models through a gateway"
- Agent Registry: Risks column (M365 E7), Graph API (preview)
- Copilot DLP: new Entra AI Admin + Purview Data Security AI Admin roles
- ISO/IEC 42001: scope expanded to M365 Copilot, Foundry, Security Copilot
- Zero Trust: CAE now via Conditional Access, Strict Location Enforcement
- Purview: new Fabric Copilots/agents governance section
- AG-UI HITL: ApprovalRequiredAIFunction (C#), @tool approval_mode (Python)

All files: Last updated → 2026-04, *(Verified MCP 2026-04)* markers added.
Build registry: 1341 URLs from 387 files (+2 new URLs).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plugins/ms-ai-architect/skills/ms-ai-engineering/references/agent-orchestration/agent-365-governance-and-deployment.md

@@ -1,6 +1,6 @@
 # Agent 365 Governance and Enterprise Deployment
 
-**Last updated:** 2026-02
+**Last updated:** 2026-04
 **Status:** GA
 **Category:** Agent Orchestration & Automation
 
@@ -112,7 +112,7 @@ Microsoft anbefaler en trefaset deployment-modell for Agent 365 i enterprise:
 - Monitorer activation requests i Request tab
 
 **Phase 3: Manage**
-- Overvåk Risks column i Inventory (Entra high-severity alerts)
+- Overvåk Risks column i Inventory (Entra high-severity alerts) — **krever M365 E7-lisens** *(Verified MCP 2026-04)*
 - Kjør regelmessig Export Inventory for compliance audit
 - Håndter ownerless agents (reassign eller delete)
 - Bruk Graph API for programmatic bulk management

plugins/ms-ai-architect/skills/ms-ai-engineering/references/agent-orchestration/agent-autonomy-and-control-governance.md

@@ -1,6 +1,6 @@
 # Agent Autonomy and Control - Governance Framework
 
-**Last updated:** 2026-02
+**Last updated:** 2026-04
 **Status:** GA
 **Category:** Agent Orchestration & Automation
 
@@ -210,10 +210,12 @@ workflow = (
 - Automatic conversation state management
 - Pause workflows for days/weeks (no compute cost during wait)
 
-**AG-UI Protocol:**
+**AG-UI Protocol:** *(Verified MCP 2026-04)*
 - Backend tool rendering med approval support
 - Bidirectional middleware for client/server approval handling
 - `request_approval` tool call pattern
+- **C# implementering:** `ApprovalRequiredAIFunction` klasse, bidirectional middleware
+- **Python implementering:** `@tool(approval_mode="always_require")` dekoratør, `AgentFrameworkAgent(require_confirmation=True)`
 
 ### Microsoft Copilot Studio