Add deployment scripts for blog, links, notes, photos, and projects; implement history squashing and vision processing

- Created `publish-blog.sh`, `publish-links.sh`, `publish-notes.sh`, `publish-photos.sh`, and `publish-projects.sh` for deploying respective content to the VPS.
- Implemented `squash-history.sh` to replace the entire git history with a single commit.
- Added `vision.ts` and `vision.spec.ts` for processing images with AI, including metadata extraction and merging.
- Enhanced error handling and logging in vision processing scripts.

scripts/squash-history.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# squash-history.sh — Replaces entire git history with a single "init" commit.
+# WARNING: Destructive and irreversible. Force-pushes to remote.
+
+set -euo pipefail
+
+COMMIT_MSG="${1:-init}"
+REMOTE="${2:-origin}"
+BRANCH="main"
+TEMP="temp-squash-$$"
+
+echo "⚠️  This will destroy all git history and force-push to $REMOTE/$BRANCH."
+read -r -p "Continue? [y/N] " confirm
+[[ "$confirm" =~ ^[Yy]$ ]] || { echo "Aborted."; exit 0; }
+
+git checkout --orphan "$TEMP"
+git add -A
+git commit -m "$COMMIT_MSG"
+git branch -D "$BRANCH"
+git branch -m "$TEMP" "$BRANCH"
+git push --force "$REMOTE" "$BRANCH"
+
+echo "Done. $(git log --oneline)"