fix(ms-ai-architect): re-baseline kostnadslaget (GPT-5 $1.25/$10, én prissannhet, 10 filer)

Audit-funn Tema B + action-items 149/150. Verifiseringen avdekket at kostnadslag-råten var bredere enn auditens 3 navngitte filer (10 filer totalt).

- GPT-5 flagship $10-15/$40-60 -> $1.25/$10.00 (verifisert juni 2026, 8-12x for hoy). gpt-5-mini $0.25/$2.00, gpt-5-nano $0.05/$0.40. Fjernet falske "Verified MCP"-stempel pa estimat-band.

- deterministic-cost-calculation-model.md gjort til ENESTE kanoniske prissannhet (§1.1). Strippet duplikat pris-tabell fra cost-models.md (rotarsak til GPT-4o $10/$30-motsetning) -> peker til registeret.

- Reconcile-funn utover audit: deterministic hadde GPT-4.1-serien HALVERT ($1/$4 og $0.20/$0.80) -> verifisert $2.00/$8.00 og $0.40/$1.60. multi-model-strategy-costs.md NOK-tabell var fabrikkert 10-47x for hoy (gpt-4o 250/1000 NOK -> 26/105). model-selection (GPT-5 $3/$12), reasoning-models (GPT-5 $20-30/$80-100), token-counting (gpt-4.1 cached $1->$0.50), small-language-models (GPT-4o output 60->105 NOK) rettet.

- Recalk alle NOK-scenarioer reproduserbart: gpt-5 ~= gpt-4.1 i kost (ikke 30-55x dyrere som gammel tekst pasto) - billigere input ($1.25 vs $2.00), dyrere output. Reell kostnadsdriver = resonnerings-tokens (fakturert som output).

- Fjernet GPT-3.5 Turbo-anbefaling (utfaset). Alignet kurs 11->10.5 NOK/USD i cost-kommando. Cost-agent eksempel: legacy GPT-4 -> GPT-4o-mini, fjernet falskt Verified-stempel.

- kb-update apply cost-bucket deferret til task #8 (kommando-feature, ikke tall-justering).

Verifisert mot OpenAI API pricing + Azure OpenAI pricing via WebSearch 2026-06-18. validate-plugin.sh 219 PASS.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Claude-Session: https://claude.ai/code/session_01REiKFhP4w6xGXXqWKpPCJJ

skills/ms-ai-security/references/cost-optimization/multi-model-strategy-costs.md

@@ -471,21 +471,22 @@ az consumption usage list --start-date 2026-02-01 --end-date 2026-02-28 \
 
 ### Prissammenligning mellom modeller
 
-**Standard Deployment (Pay-as-you-go, NOK per 1M tokens, estimert 2026 rates):**
+**Standard Deployment (Pay-as-you-go, verifisert juni 2026, USD + NOK ved kurs 10.5):**
 
-| Model | Input (NOK/1M tokens) | Output (NOK/1M tokens) | Ratio (Output:Input) |
-|-------|-----------------------|------------------------|----------------------|
-| gpt-4.1-nano | ~50 | ~200 | 4:1 |
-| gpt-4.1-mini | ~150 | ~600 | 4:1 |
-| gpt-4.1 | ~300 | ~1200 | 4:1 |
-| gpt-5-mini | ~100 | ~400 | 4:1 |
-| gpt-5 | ~500 | ~2000 | 4:1 |
-| gpt-5-chat | ~250 | ~1000 | 4:1 |
-| o4-mini | ~350 | ~1400 | 4:1 |
-| gpt-4o | ~250 | ~1000 | 4:1 |
-| gpt-4o-mini | ~75 | ~300 | 4:1 |
+| Model | Input USD/1M | Output USD/1M | Input NOK/1M | Output NOK/1M | Ratio (Out:In) |
+|-------|--------------|---------------|--------------|---------------|----------------|
+| gpt-4.1-nano | $0.10 | $0.40 | ~1 | ~4 | 4:1 |
+| gpt-4.1-mini | $0.40 | $1.60 | ~4 | ~17 | 4:1 |
+| gpt-4.1 | $2.00 | $8.00 | ~21 | ~84 | 4:1 |
+| gpt-5-nano | $0.05 | $0.40 | ~1 | ~4 | 8:1 |
+| gpt-5-mini | $0.25 | $2.00 | ~3 | ~21 | 8:1 |
+| gpt-5 | $1.25 | $10.00 | ~13 | ~105 | 8:1 |
+| gpt-5-chat | ~$1.25 | ~$10.00 | ~13 | ~105 | 8:1 |
+| o4-mini | $1.10 | $4.40 | ~12 | ~46 | 4:1 |
+| gpt-4o | $2.50 | $10.00 | ~26 | ~105 | 4:1 |
+| gpt-4o-mini | $0.15 | $0.60 | ~2 | ~6 | 4:1 |
 
-*(Priser er estimater basert på USD-pricing + valutakurs. Verifiser [Azure Pricing Calculator](https://azure.microsoft.com/pricing/calculator) for eksakte NOK-priser.)*
+*(Kanonisk prissannhet: `deterministic-cost-calculation-model.md` §1.1. NOK = USD × 10.5 — verifiser [Azure Pricing Calculator](https://azure.microsoft.com/pricing/calculator) for eksakt kurs/region. Den forrige NOK-tabellen her var fabrikkert og 10–47x for høy.)*
 
 **Provisioned Throughput (PTU, NOK per PTU/hr, estimert):**