feat: Update Vietnam budget with confirmed flight booking

- Mark flights as BOKAD & BETALD (38,588 SEK ToR)
- Add booking details: CPH↔HAN, family of 5
- Update MEMORY.md with confirmed status
- Improve AGENTS.md startup routine (vault fallback)

obsidian.service

@@ -12,9 +12,9 @@ WorkingDirectory=/workspace/second-brain
 # For headless: use Xvfb virtual display
 Environment="DISPLAY=:99"
 
-# Start Xvfb first, then Obsidian
+# Start Xvfb first, then Obsidian with vault path
 ExecStartPre=/usr/bin/sh -c "Xvfb :99 -screen 0 1024x768x24 &"
-ExecStart=/home/intense/.local/bin/obsidian --no-sandbox
+ExecStart=/snap/bin/obsidian /workspace/second-brain --no-sandbox
 
 # Restart policy
 Restart=always