docs(report): fix docs commit hash after rebase (83c47ea)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XMForrE4c1wZxd9LukxYVt

REPORT.md

@@ -119,6 +119,6 @@ off-LAN PBS test.
 
 ### 8. Commit
 
-Docs commit: `6dbdb39` (felhom.eu). Files: `documentation/operations/tailscale.md` (new),
+Docs commit: `83c47ea` (felhom.eu). Files: `documentation/operations/tailscale.md` (new),
 `CLAUDE.md` + `skills/felhom-build-deploy/SKILL.md` env-table notes, `CONTEXT.md` decision entry,
 this `REPORT.md`. No secrets committed (tunnel keys/tokens/PBS fingerprint referenced out-of-band).