Bundle TFLite model in repo, remove download script

The original TF model zoo URL was dead (403). Model sourced from
google-coral/test_data instead and checked in directly at 6MB.

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

.gitignore

@@ -30,7 +30,4 @@ Thumbs.db
 # Test artifacts
 .pytest_cache/
 .coverage
-htmlcov/
+htmlcov/
-
-# ML model binaries (downloaded during setup)
-*.tflite

server/download_model.sh

@@ -1,55 +0,0 @@
-#!/bin/bash
-# Download MobileNet V2 SSD (COCO, INT8 quantized) for TFLite
-#
-# Model: ssd_mobilenet_v2_coco_quant_postprocess.tflite (~6MB)
-# Source: TensorFlow Model Zoo
-# Classes: 80 COCO object classes
-#
-# This script is idempotent - skips download if model exists.
-
-set -e
-
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-MODEL_DIR="${SCRIPT_DIR}/models"
-MODEL_FILE="${MODEL_DIR}/ssd_mobilenet_v2_coco_quant_postprocess.tflite"
-ZIP_URL="https://storage.googleapis.com/download.tensorflow.org/models/tflite/coco_ssd_mobilenet_v2_quantized_300x300_uint8_20200430.zip"
-ZIP_FILE="${MODEL_DIR}/model.zip"
-
-mkdir -p "${MODEL_DIR}"
-
-if [ -f "${MODEL_FILE}" ]; then
-    echo "Model already exists: ${MODEL_FILE}"
-    echo "Size: $(du -h "${MODEL_FILE}" | cut -f1)"
-    exit 0
-fi
-
-echo "Downloading MobileNet V2 SSD (quantized)..."
-curl -L -o "${ZIP_FILE}" "${ZIP_URL}"
-
-echo "Extracting model..."
-unzip -o "${ZIP_FILE}" -d "${MODEL_DIR}"
-
-# Clean up zip and extra files
-rm -f "${ZIP_FILE}"
-rm -f "${MODEL_DIR}/labelmap.txt"  # We use our own coco_labels.txt
-
-if [ -f "${MODEL_FILE}" ]; then
-    echo "Model downloaded: ${MODEL_FILE}"
-    echo "Size: $(du -h "${MODEL_FILE}" | cut -f1)"
-else
-    # The zip might extract with a slightly different path
-    FOUND=$(find "${MODEL_DIR}" -name "*.tflite" -type f | head -1)
-    if [ -n "${FOUND}" ] && [ "${FOUND}" != "${MODEL_FILE}" ]; then
-        mv "${FOUND}" "${MODEL_FILE}"
-        echo "Model downloaded: ${MODEL_FILE}"
-        echo "Size: $(du -h "${MODEL_FILE}" | cut -f1)"
-    else
-        echo "ERROR: Model file not found after extraction"
-        exit 1
-    fi
-fi
-
-# Clean up any extracted subdirectories
-find "${MODEL_DIR}" -mindepth 1 -type d -exec rm -rf {} + 2>/dev/null || true
-
-echo "Done!"

server/setup.sh

@@ -73,12 +73,11 @@ cp "${SCRIPT_DIR}/motion.py" "${INSTALL_DIR}/"
 cp "${SCRIPT_DIR}/detector.py" "${INSTALL_DIR}/"
 cp "${SCRIPT_DIR}/requirements.txt" "${INSTALL_DIR}/"
 cp "${SCRIPT_DIR}/generate_cert.sh" "${INSTALL_DIR}/"
-cp "${SCRIPT_DIR}/download_model.sh" "${INSTALL_DIR}/"
 cp "${SCRIPT_DIR}/.env" "${INSTALL_DIR}/"
 
 # Copy model files
 mkdir -p "${INSTALL_DIR}/models"
-cp "${SCRIPT_DIR}/models/coco_labels.txt" "${INSTALL_DIR}/models/"
+cp "${SCRIPT_DIR}/models/"* "${INSTALL_DIR}/models/"
 
 # Create virtual environment
 echo_info "Creating Python virtual environment..."
@@ -95,15 +94,6 @@ pip install -r requirements.txt
 echo_info "Installing TFLite runtime for object detection..."
 pip install tflite-runtime 2>/dev/null || echo_warn "tflite-runtime not available for this platform (object detection will be disabled)"
 
-# Download object detection model (if not already present)
-if [ -f "${INSTALL_DIR}/models/ssd_mobilenet_v2_coco_quant_postprocess.tflite" ]; then
-    echo_info "Object detection model already present"
-else
-    echo_info "Downloading object detection model..."
-    chmod +x "${INSTALL_DIR}/download_model.sh"
-    cd "${INSTALL_DIR}" && ./download_model.sh
-fi
-
 # Generate SSL certificates if not present
 if [ ! -f ssl/cert.pem ]; then
     echo_info "Generating SSL certificates..."