docs(architect): weekly KB update — 52 files refreshed (2026-04)

Key content changes:
- MLOps: MLflow 3 scorers expanded (RetrievalRelevance, Fluency, multi-turn judges)
- MLflow 3 A/B eval: mirror_traffic GA confirmed, new scorer catalog
- CI/CD: OIDC auth replaces deprecated --sdk-auth (Azure ML GitHub Actions)
- Agent framework A2A: updated SDK patterns (A2ACardResolver, BearerAuth)
- AG-UI backend tool rendering: accurate TOOL_CALL_* event shapes
- Computer Use agents: US region requirement, credentials patterns
- Purview governance: bulk term edit, expire/delete workflows
- CAF AI Secure: 3-phase structure confirmed current
- Copilot Studio: Claude Sonnet 4.5/4.6 GA, new orchestration controls
- M365 manifest: v1.26 GA (April 2026), copilotAgents node
- Power Platform: agent flow capacity enforcement corrected
- Azure Monitor: Simple Log Alerts GA, AMBA for policy-based alerting
- Security Copilot: SCU capacity model (400 SCU/1000 users)
- EU Data Boundary: all EU + EFTA countries confirmed
- gateway-multi-backend: added 4th topology, subscription-level quota note

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

skills/ms-ai-advisor/references/copilot-extensibility/declarative-agents-grounding-strategies.md

@@ -22,7 +22,8 @@ Denne guiden dekker arkitekturmønstre for grounding, beslutningskriterier for v
 
 | Knowledge Source | Beskrivelse | Lisenskrav | Scoping (generativ modus) |
 |-----------------|-------------|------------|---------------------------|
-| **SharePoint** | Filer, mapper, sites i SharePoint Online | Microsoft 365 Copilot-lisens | 25 URLer (klassisk: 4) |
+| **SharePoint** | Filer, mapper, sites i SharePoint Online | Microsoft 365 Copilot-lisens | 25 URLer (klassisk: 4) | (Verified 2026-04)
+| **Documents (opplastede filer)** | Filer lastet opp direkte til agenten (lagres i Dataverse) | Microsoft 365 Copilot-lisens eller metered usage | Generativ: Ubegrenset; klassisk: begrenset av Dataverse-kvote |
 | **OneDrive** | Brukerens OneDrive-innhold | Microsoft 365 Copilot-lisens | Ja (via manifest) |
 | **Copilot Connectors** | Eksterne systemer (ServiceNow, Salesforce, etc.) via Microsoft Graph | Microsoft 365 Copilot-lisens | Ubegrenset (klassisk: 2) |
 | **Teams Messages** | Chat-historikk, meeting transcripts, kanal-meldinger | Microsoft 365 Copilot-lisens | Opptil 5 chats |
@@ -269,7 +270,9 @@ Hvis tenant har **Microsoft 365 Copilot-lisens**, aktiver **Tenant graph groundi
 
 **Trade-off:** Noe høyere latency for enkelte queries. Kan slås av per agent hvis kvaliteten er lavere enn forventet.
 
-**Innholdsstyring (Official sources):** Kunnskapskilder kan merkes som "official source" — agenten indikerer dette i svar. Merk: Per april 2026 er official sources-funksjonen ikke kompatibel med generativ orchestration (krever klassisk modus).
+**Innholdsstyring (Official sources):** Kunnskapskilder kan merkes som "official source" — agenten indikerer dette i svar. Merk: Per april 2026 er official sources-funksjonen ikke kompatibel med generativ orchestration (krever klassisk modus). (Verified 2026-04)
+
+**Allow ungrounded responses (Verified 2026-04):** Ny innstilling i Generative AI-settings. Når den er AV (default), blokkeres svar der agenten ikke brukte noen knowledge source eller tool i det gjeldende svaret. Gir strammere grounding, men kan blokkere follow-up-svar basert på samtalehistorikk.
 
 ### Copilot Connectors vs Power Platform Connectors
 
@@ -305,7 +308,7 @@ Kun støttet via **Agents Toolkit** (ikke Agent Builder i Microsoft 365 Copilot
 | Web Search (Bing) | USA (Bing service) | ⚠️ **DPA gjelder ikke** | ❌ Ikke for sensitive queries |
 | Dataverse (EU tenant) | EU (Norway/West Europe) | ✅ GDPR-compliant | ✅ OK for offentlig sektor |
 
-**Kritisk forskjell:** Web Search-queries sendes til Bing og er **ikke** dekket av Microsoft DPA for enterprise. For sensitive queries, **ikke bruk Web Search**.
+**Kritisk forskjell:** Web Search-queries sendes til Bing og er **ikke** dekket av Microsoft DPA for enterprise. For sensitive queries, **ikke bruk Web Search**. (Verified 2026-04: Bruk informasjon fra nettet bruker «Grounding with Bing Search»)
 
 ### AI Act Compliance
 
@@ -429,7 +432,7 @@ Tenant graph grounding krever **minst én Microsoft 365 Copilot-lisens** i tenan
 
 ## Kilder og verifisering
 
-### Microsoft Learn (Verified — MCP research 2026-02)
+### Microsoft Learn (Verified — MCP research 2026-04)
 
 - [Add knowledge sources to your declarative agent](https://learn.microsoft.com/en-us/microsoft-365-copilot/extensibility/knowledge-sources) — Oversikt over alle knowledge sources
 - [Add knowledge sources in Agent Builder](https://learn.microsoft.com/en-us/microsoft-365-copilot/extensibility/agent-builder-add-knowledge) — UI-guide for Agent Builder
@@ -437,7 +440,7 @@ Tenant graph grounding krever **minst én Microsoft 365 Copilot-lisens** i tenan
 - [Declarative agent manifest v1.6](https://learn.microsoft.com/en-us/microsoft-365-copilot/extensibility/declarative-agent-manifest-1.6) — JSON-syntax for knowledge sources
 - [Microsoft 365 Copilot connectors overview](https://learn.microsoft.com/en-us/microsoft-365-copilot/extensibility/overview-copilot-connector) — Graph connectors for external data
 - [Copilot Studio: Add Copilot connectors as knowledge](https://learn.microsoft.com/en-us/microsoft-copilot-studio/knowledge-copilot-connectors) — Copilot Studio-spesifikk guide
-- [Copilot Studio: Knowledge sources summary](https://learn.microsoft.com/en-us/microsoft-copilot-studio/knowledge-copilot-studio) — Inkludert Tenant graph grounding
+- [Copilot Studio: Knowledge sources summary](https://learn.microsoft.com/en-us/microsoft-copilot-studio/knowledge-copilot-studio) — Inkludert Tenant graph grounding, Allow ungrounded responses, Web Search (Verified 2026-04)
 - [Data, privacy, and security for web search](https://learn.microsoft.com/en-us/microsoft-copilot-studio/data-privacy-security-web-search) — Bing integration, GDPR, DPA
 - [Quotas and limits for Copilot Studio](https://learn.microsoft.com/en-us/microsoft-copilot-studio/requirements-quotas) — File size, connector limits