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/m365-copilot-plugins-ecosystem.md

@@ -33,8 +33,8 @@ M365 Copilot plugins distribueres som en `.zip`-fil som inneholder:
 
 ```json
 {
-  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.18/MicrosoftTeams.schema.json",
-  "manifestVersion": "1.18",
+  "$schema": "https://developer.microsoft.com/json-schemas/teams/v1.26/MicrosoftTeams.schema.json",
+  "manifestVersion": "1.26" // Verified 2026-04: v1.26 er seneste GA (april 2026),
   "version": "1.0.0",
   "id": "00000000-0000-0000-0000-000000000000",
   "developer": {
@@ -247,7 +247,7 @@ App Manifest (manifest.json)
 
 | Krav | Verdi |
 |------|-------|
-| **Manifest-versjon** | 1.13 eller nyere |
+| **Manifest-versjon** | 1.13 eller nyere (seneste GA: v1.26, april 2026) (Verified 2026-04) |
 | **Responstid** | ≤9 sek (99%), ≤5 sek (75%), ≤2 sek (50%) |
 | **Tilgjengelighet** | 99.9% uptime |
 | **TLS** | 1.2 eller høyere (alle serverkall) |
@@ -432,7 +432,7 @@ Hvis plugin brukes til å fatte avgjørelser som påvirker individers rettighete
 | **Ecosystem Overview** | [Copilot extensibility in the Microsoft 365 ecosystem](https://learn.microsoft.com/microsoft-365-copilot/extensibility/ecosystem) | ✅ Verified (MCP) |
 | **App Package Structure** | [Agents are apps for Microsoft 365](https://learn.microsoft.com/microsoft-365-copilot/extensibility/agents-are-apps) | ✅ Verified (MCP) |
 | **Distribution Methods** | [Publish agents for Microsoft 365 Copilot](https://learn.microsoft.com/microsoft-365-copilot/extensibility/publish) | ✅ Verified (MCP) |
-| **Manifest Schema** | [Microsoft 365 app manifest schema reference](https://learn.microsoft.com/microsoft-365/extensibility/schema) | ✅ Verified (MCP) |
+| **Manifest Schema** | [Microsoft 365 app manifest schema reference](https://learn.microsoft.com/microsoft-365/extensibility/schema) — seneste GA: v1.26 (april 2026) | ✅ Verified (MCP 2026-04) |
 | **Plugin Types** | [Adopt, extend and build Copilot experiences](https://learn.microsoft.com/copilot/roadmap/overview) | ✅ Verified (MCP) |
 | **Teams Admin Center** | [Manage apps in Teams admin center](https://learn.microsoft.com/microsoftteams/manage-apps) | ✅ Verified (MCP) |
 | **Partner Center** | [Microsoft 365 and Copilot program](https://learn.microsoft.com/partner-center/marketplace/why-publish) | ✅ Verified (MCP) |
@@ -446,4 +446,4 @@ Hvis plugin brukes til å fatte avgjørelser som påvirker individers rettighete
 - ✅ **Verified:** Hentet direkte fra Microsoft Learn via MCP (oppdatert per januar 2026)
 - ⚠️ **Baseline:** Basert på modellkunnskap (legal/regulatory tekster, ikke Microsoft-dokumentasjon)
 
-**Siste oppdatering av Microsoft-dokumentasjon:** April 2026 (reflektert i MCP-kall 2026-04-10)
+**Siste oppdatering av Microsoft-dokumentasjon:** April 2026 (reflektert i MCP-kall 2026-04-10) — Manifest v1.26 GA