feat(okr): sync to v1.3.0 from ktg-privat

Syncs all changes from v1.0.0 through v1.3.0:

v1.1 (quick fixes):
- Fix deprecated Viva Goals references
- Add DFO-OKR terminology mapping
- Add tillitsvalgt/fagforening perspective
- Update Objectives recommendation from 3-5 to 2-3

v1.1 (persistent context):
- Deep onboarding interview (full/mvp)
- Persistent .claude/okr/ directory tree
- Context-aware commands
- Cycle archival with retrospective

v1.3 (AI-first differentiators):
- /okr:gap — tildelingsbrev gap analysis with coverage matrix
- /okr:analyse — cross-cycle Mermaid analytics
- SessionStart coaching hook (proactive, phase-aware)
- gapanalytiker + trendanalytiker agents
- inject-okr-context.mjs extended for historikk/

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

plugins/okr/skills/okr-offentlig-sektor/references/okr-offentlig-governance.md

@@ -37,7 +37,7 @@ Ikke alt i tildelingsbrevet skal bli OKR. Skille mellom:
 ### Steg-for-steg oversettelse
 
 **1. Identifiser strategiske mål**
-Finn de 3-5 viktigste resultatmålene som krever forbedring/endring (ikke bare drift).
+Finn de 2-4 viktigste resultatmålene som krever forbedring/endring (ikke bare drift).
 
 **2. Gjør dem inspirerende**
 Tildelingsbrev er ofte teknisk formulert. OKR skal inspirere.