Hardening: stable-branch som udrulningskanal - merge til main er ikke laengere deploy

Alle forbrugere laeser nu fra stable i stedet for main:
- curabis-standard.agent.md v10: BASE/AGENTS_BASE + self-heal-URL -> stable
- sync-bcquality-knowledge.ps1: $branch = stable
- machine/CLAUDE.md: auto-update gater paa stable-SHA og fetcher setup fra stable
- templates/bcquality.agent.md + al-triage.agent.md: knowledge-URLer -> stable
  (+ fix af doed reference: branch-merge-to-main-workflow.md var omdoebt til
  feature-branch-must-merge-to-track-branch.md - templaten shippede et 404)
- francis.agent.md + Invoke-CurabisEvidence.ps1: raw-base -> stable
- CONSUMPTION.md: Release channel-sektion med promote-procedure og rationale

Deploy sker herefter kun ved bevidst fast-forward af stable (kun Michael).
Kanal oprettet: stable @ 57b8292, tag v1.0.0.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

custom/setup/curabis-standard.agent.md

@@ -1,7 +1,7 @@
 ---
 kind: action-skill
 id: curabis-standard-setup
-version: 9
+version: 10
 title: CURABIS Standard — Project Setup
 description: >
   Configures a new or existing repository to the CURABIS Standard development
@@ -37,8 +37,8 @@ Detect which mode based on the trigger phrase and proceed accordingly.
 ## Source URLs (BCQuality — always fetch fresh)
 
 ```
-BASE        = https://raw.githubusercontent.com/Curabis/BCQuality/main/custom/setup
-AGENTS_BASE = https://raw.githubusercontent.com/Curabis/BCQuality/main/custom/agents
+BASE        = https://raw.githubusercontent.com/Curabis/BCQuality/stable/custom/setup
+AGENTS_BASE = https://raw.githubusercontent.com/Curabis/BCQuality/stable/custom/agents
 ```
 
 | Artefakt | URL |
@@ -168,7 +168,7 @@ If `~/.claude/bcquality-knowledge/` is missing or empty, self-heal before contin
 
 If the sync script itself is missing, first download it AS RAW BYTES (do not
 decode/re-encode — use `Invoke-WebRequest -OutFile`) from
-`https://raw.githubusercontent.com/Curabis/BCQuality/main/custom/setup/sync-bcquality-knowledge.ps1`
+`https://raw.githubusercontent.com/Curabis/BCQuality/stable/custom/setup/sync-bcquality-knowledge.ps1`
 to `~/.claude/sync-bcquality-knowledge.ps1`, then run it.
 
 These rules are always active.