fix: correct broken links and update config

- Fix relative paths in automation-first-principle-adr.md archive
- Comment out future playbook links in playbook-template.md
- Add placeholder patterns to .markdown-link-check.json ignore list

Refs: #295

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: martincjarvis

.markdown-link-check.json

@@ -5,7 +5,12 @@
     { "pattern": "^https://github.com/.*/actions/runs/" },
     { "pattern": "^https://github.com/.*/commit/" },
     { "pattern": "^https://github.com/.*/files#" },
-    { "pattern": "^#" }
+    { "pattern": "^#" },
+    { "pattern": "^link$" },
+    { "pattern": "^url$" },
+    { "pattern": "link-to-" },
+    { "pattern": "XXXX-" },
+    { "pattern": "\\{.*\\}" }
   ],
   "timeout": "10s",
   "retryOn429": true,

docs/plans/archive/2026-01-07-automation-first-principle-adr.md

@@ -161,9 +161,9 @@ status: accepted
    - **Non-idempotent scripts** - scripts should be safe to run multiple times
 
 9. **Links**
-   - [ADR-0001: Skill Design Philosophy](0001-skill-design-philosophy.md)
-   - [Issue-driven-delivery scripts](../../skills/issue-driven-delivery/scripts/)
-   - [Scripts README](../../skills/issue-driven-delivery/scripts/README.md)
+   - [ADR-0001: Skill Design Philosophy](../../adr/0001-skill-design-philosophy.md)
+   - [Issue-driven-delivery scripts](../../../skills/issue-driven-delivery/scripts/)
+   - [Scripts README](../../../skills/issue-driven-delivery/scripts/README.md)
 
 **Deliverable:** `docs/adr/0002-automation-first-principle.md`
 

skills/persona-switching/references/playbook-template.md

@@ -203,5 +203,7 @@ gh auth status
 
 ## See Also
 
-- [enable-signed-commits playbook](enable-signed-commits.md) - GPG setup guide
-- [conducting-pr-reviews playbook](conducting-pr-reviews.md) - Review process
+<!-- Future playbooks (not yet implemented):
+- enable-signed-commits.md - GPG setup guide
+- conducting-pr-reviews.md - Review process
+-->