feat: make uninstall prompts before wiping data

Shows a warning then asks: y = full wipe, n/Enter = stop+remove images
only (keep config/data), anything else = cancel. Updates help + README.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Makefile

@@ -35,7 +35,7 @@ help:
 	@echo "Updates & reinstall:"
 	@echo "  update         - git pull + rebuild + restart (deploy latest code)"
 	@echo "  reinstall      - Full wipe and fresh install from current git checkout"
-	@echo "  uninstall      - Remove containers, images, and all data (keeps git repo)"
+	@echo "  uninstall      - Stop + remove images; prompts whether to also wipe data"
 	@echo ""
 	@echo "Build:"
 	@echo "  build          - Rebuild API image"
@@ -133,10 +133,28 @@ reinstall:
 	@echo "Reinstall complete."
 
 uninstall:
-	@echo "Uninstalling Personal Internet Cell..."
-	PUID=$$(id -u) PGID=$$(id -g) $(DC) down -v --rmi all 2>/dev/null || true
-	@sudo rm -rf config/ data/
-	@echo "Uninstall complete. Git repo and scripts remain."
+	@echo ""
+	@echo "WARNING: This will stop all containers and remove all Docker images."
+	@echo ""
+	@printf "Also wipe all data and config? This cannot be undone. [y/N/cancel]: "; \
+	read ans; \
+	case "$$ans" in \
+	  y|Y) \
+	    echo "Stopping containers and removing images..."; \
+	    PUID=$$(id -u) PGID=$$(id -g) $(DC) down -v --rmi all 2>/dev/null || true; \
+	    echo "Wiping config/ and data/..."; \
+	    sudo rm -rf config/ data/; \
+	    echo "Uninstall complete. Git repo and scripts remain."; \
+	    ;; \
+	  n|N|"") \
+	    echo "Stopping containers and removing images (keeping data)..."; \
+	    PUID=$$(id -u) PGID=$$(id -g) $(DC) down --rmi all 2>/dev/null || true; \
+	    echo "Done. config/ and data/ are untouched. Run 'make setup && make start' to reinstall."; \
+	    ;; \
+	  *) \
+	    echo "Cancelled."; \
+	    ;; \
+	esac
 
 # ── Build ─────────────────────────────────────────────────────────────────────
 

README.md

@@ -130,7 +130,7 @@ make update              # git pull + rebuild + restart
 make reinstall           # stop, wipe config/data, setup, start fresh
 
 # Remove everything
-make uninstall           # stop containers, remove images and all data
+make uninstall           # stop + remove images; prompts whether to also wipe config/data
 
 # Maintenance
 make backup              # tar config/ + data/ into backups/