feat(ms-ai-architect): add v1→v2 MIGRATIONS handler with snapshot fixture and idempotency test

plugins/ms-ai-architect/playground/test-fixtures/state-v1-snapshot.json

@@ -0,0 +1,111 @@
+{
+  "schemaVersion": 1,
+  "shared": {
+    "organization": {
+      "name": "Acme AS",
+      "sector": "Statlig",
+      "regulatory_requirements": ["Personopplysningsloven/GDPR"]
+    },
+    "technology": {
+      "cloud_platform": ["Azure"],
+      "license_type": "E5",
+      "ai_services_in_use": ["Azure OpenAI"]
+    },
+    "security": {
+      "data_classification": ["Intern"],
+      "dpia_practice": "Systematisk"
+    },
+    "architecture": {
+      "annual_ai_budget": "500k-2M"
+    },
+    "business": {}
+  },
+  "projects": [
+    {
+      "id": "p-snapshot-classify",
+      "name": "Demosystem A — klassifisering",
+      "description": "Fiktiv test-prosjekt for v1->v2 migrasjons-test.",
+      "scenarios": [],
+      "createdAt": "2026-04-15T10:00:00.000Z",
+      "reports": {
+        "classify": {
+          "input": { "system_name": "Demosystem A" },
+          "raw_markdown": "# AI Act-klassifisering\n\nRisikonivå: Høy\nRolle: deployer",
+          "parsed": {
+            "risk_level": "Høy",
+            "role": "deployer",
+            "reasoning": "Beslutningsstøtte i forvaltningsbehandling.",
+            "obligations": ["Art. 13 — transparens", "Art. 14 — menneskelig tilsyn", "Art. 27 — FRIA"]
+          }
+        },
+        "ros": {
+          "input": { "system_name": "Demosystem A" },
+          "raw_markdown": "# ROS-analyse\n\nNS 5814 / ISO 31000.",
+          "parsed": {
+            "matrix_cells": [
+              { "row": 4, "col": 4, "count": 2 },
+              { "row": 3, "col": 5, "count": 1 }
+            ],
+            "threats": [
+              { "id": "T1", "description": "Modell-bias mot minoriteter", "severity": "Høy", "mitigation": "Bias-audit + kalibrering" },
+              { "id": "T2", "description": "Privacy leak via prompts", "severity": "Kritisk", "mitigation": "DLP + redaction" },
+              { "id": "T3", "description": "Hallusinerte fakta", "severity": "Medium", "mitigation": "Citation-grounding + reviewer" }
+            ],
+            "radar_axes": [
+              { "name": "Tilgjengelighet", "score": 3 },
+              { "name": "Konfidensialitet", "score": 4 },
+              { "name": "Integritet", "score": 4 },
+              { "name": "Robusthet", "score": 3 },
+              { "name": "Sporbarhet", "score": 2 },
+              { "name": "Fairness", "score": 2 },
+              { "name": "Transparens", "score": 3 }
+            ]
+          }
+        }
+      }
+    },
+    {
+      "id": "p-snapshot-cost",
+      "name": "Demosystem B — kostnadsestimat",
+      "description": "Fiktiv kostnadsestimat-rapport for migrasjons-test.",
+      "scenarios": [],
+      "createdAt": "2026-04-20T09:30:00.000Z",
+      "reports": {
+        "cost": {
+          "input": { "system_name": "Demosystem B" },
+          "raw_markdown": "# Kostnadsestimat\n\nP10/P50/P90 i NOK/mnd.",
+          "parsed": {
+            "p10": 45000,
+            "p50": 82000,
+            "p90": 165000,
+            "monthly_breakdown": [
+              { "component": "Azure OpenAI gpt-4o", "cost": 48000 },
+              { "component": "Azure AI Search", "cost": 12000 },
+              { "component": "Storage + log", "cost": 8000 }
+            ],
+            "tco_table": [],
+            "tco_headers": []
+          }
+        },
+        "summary": {
+          "input": {},
+          "raw_markdown": "# Sammendrag\n\nBetinget anbefaling.",
+          "parsed": {
+            "verdict": "go-with-conditions",
+            "sub": "Med betingelser",
+            "rationale": "Kostnaden er innenfor rammen, men avhengig av governance-modning.",
+            "key_metrics": [
+              { "label": "P50/mnd", "value": "82 000 NOK" },
+              { "label": "Risikonivå", "value": "Høy" }
+            ],
+            "metrics_headers": [],
+            "next_steps": ["Etabler DPIA", "Avklar dataleverandør-kontrakt"]
+          }
+        }
+      }
+    }
+  ],
+  "activeProjectId": "p-snapshot-classify",
+  "activeSurface": "project",
+  "preferences": { "theme": "dark" }
+}