RPi: Standardize tarball naming to stegasoo-rpi-venv-arm64.tar.zst

- Update remote-build-pi.sh to use new naming
- Rewrite build-runtime-tarball.sh for pyenv-free world (system Python)
- Removed pyenv references, now just tarballs the venv

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

rpi/build-runtime-tarball.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
 #
-# Build Stegasoo Pi Runtime Environment Tarball
+# Build Stegasoo Pi venv Tarball
 # Run this ON THE PI after a successful from-source build
 #
-# Creates: stegasoo-rpi-runtime-env-arm64.tar.zst (~50-60MB)
-# Contains: pyenv + Python 3.12 + venv with all dependencies
+# Creates: stegasoo-rpi-venv-arm64.tar.zst (~40-50MB)
+# Contains: venv with all dependencies (uses system Python 3.11+)
 #
 
 set -e
@@ -16,11 +16,10 @@ YELLOW='\033[1;33m'
 NC='\033[0m'
 
 INSTALL_DIR="${INSTALL_DIR:-/opt/stegasoo}"
-OUTPUT_DIR="${OUTPUT_DIR:-/tmp}"
-OUTPUT_FILE="$OUTPUT_DIR/stegasoo-rpi-runtime-env-arm64.tar.zst"
+OUTPUT_FILE="${1:-$HOME/stegasoo-rpi-venv-arm64.tar.zst}"
 
 echo -e "${GREEN}╔═══════════════════════════════════════════════════════════════╗${NC}"
-echo -e "${GREEN}║         Stegasoo Pi Runtime Tarball Builder                   ║${NC}"
+echo -e "${GREEN}║         Stegasoo Pi venv Tarball Builder                      ║${NC}"
 echo -e "${GREEN}╚═══════════════════════════════════════════════════════════════╝${NC}"
 echo ""
 
@@ -32,13 +31,6 @@ if [[ "$ARCH" != "aarch64" ]]; then
     exit 1
 fi
 
-# Verify pyenv exists
-if [[ ! -d "$HOME/.pyenv" ]]; then
-    echo -e "${RED}Error: pyenv not found at ~/.pyenv${NC}"
-    echo "Run a from-source build first: ./rpi/setup.sh --no-prebuilt"
-    exit 1
-fi
-
 # Verify venv exists
 if [[ ! -d "$INSTALL_DIR/venv" ]]; then
     echo -e "${RED}Error: venv not found at $INSTALL_DIR/venv${NC}"
@@ -47,33 +39,22 @@ if [[ ! -d "$INSTALL_DIR/venv" ]]; then
 fi
 
 # Step 1: Clean caches from venv
-echo -e "${GREEN}[1/4]${NC} Cleaning caches from venv..."
+echo -e "${GREEN}[1/2]${NC} Cleaning caches from venv..."
 VENV_SIZE_BEFORE=$(du -sh "$INSTALL_DIR/venv" | cut -f1)
 find "$INSTALL_DIR/venv/" -type d -name '__pycache__' -exec rm -rf {} + 2>/dev/null || true
 find "$INSTALL_DIR/venv/" -type d -name 'tests' -exec rm -rf {} + 2>/dev/null || true
 find "$INSTALL_DIR/venv/" -type d -name 'test' -exec rm -rf {} + 2>/dev/null || true
 find "$INSTALL_DIR/venv/" -type f -name '*.pyc' -delete 2>/dev/null || true
 VENV_SIZE_AFTER=$(du -sh "$INSTALL_DIR/venv" | cut -f1)
-echo "  venv: $VENV_SIZE_BEFORE → $VENV_SIZE_AFTER"
+echo "  venv: $VENV_SIZE_BEFORE -> $VENV_SIZE_AFTER"
 
-# Step 2: Create venv tarball
-echo -e "${GREEN}[2/4]${NC} Creating venv tarball..."
+# Step 2: Create tarball
+echo -e "${GREEN}[2/2]${NC} Creating tarball..."
 cd "$INSTALL_DIR"
-tar -cf - venv/ | zstd -19 -T0 > "$HOME/stegasoo-venv.tar.zst"
-VENV_TAR_SIZE=$(ls -lh "$HOME/stegasoo-venv.tar.zst" | awk '{print $5}')
-echo "  Created: ~/stegasoo-venv.tar.zst ($VENV_TAR_SIZE)"
+tar -cf - venv/ | zstd -19 -T0 > "$OUTPUT_FILE"
 
-# Step 3: Create combined tarball
-echo -e "${GREEN}[3/4]${NC} Creating combined runtime tarball..."
-cd "$HOME"
-tar -cf - .pyenv stegasoo-venv.tar.zst | zstd -19 -T0 > "$OUTPUT_FILE"
-
-# Cleanup intermediate file
-rm "$HOME/stegasoo-venv.tar.zst"
-
-# Step 4: Summary
+# Summary
 FINAL_SIZE=$(ls -lh "$OUTPUT_FILE" | awk '{print $5}')
-echo -e "${GREEN}[4/4]${NC} Done!"
 echo ""
 echo -e "${GREEN}════════════════════════════════════════════════════════════════${NC}"
 echo -e "  Output: ${YELLOW}$OUTPUT_FILE${NC}"
@@ -83,7 +64,7 @@ echo ""
 echo "To pull to your host machine:"
 echo "  scp $(whoami)@$(hostname).local:$OUTPUT_FILE ./"
 echo ""
-echo "To use in setup.sh, copy to:"
-echo "  rpi/stegasoo-rpi-runtime-env-arm64.tar.zst"
+echo "To use in setup.sh, place at:"
+echo "  rpi/stegasoo-rpi-venv-arm64.tar.zst"
 echo ""
 echo "Or upload to GitHub releases for automatic download."

rpi/remote-build-pi.sh

@@ -105,7 +105,7 @@ echo ""
 echo -e "${GREEN}[4/6]${NC} Copying pre-built tarball to Pi..."
 echo ""
 
-TARBALL="$SCRIPT_DIR/stegasoo-rpi-runtime-env-arm64.tar.zst"
+TARBALL="$SCRIPT_DIR/stegasoo-rpi-venv-arm64.tar.zst"
 if [[ -f "$TARBALL" ]]; then
     scp_to_pi "$TARBALL" "/opt/stegasoo/rpi/"
     echo -e "  ${GREEN}✓${NC} Tarball copied"