The flutter_tracker requires Flutter SDK, system libraries, and native compilation before run.sh can execute. This adds an installation script to automate the complete setup.

Changes

install.sh (225 lines)

• Verifies Linux/X11environment
• Installs system dependencies: libx11-dev, libxi-dev, libxtst-dev, build-essential, Flutter utilities
• Clones Flutter SDK (stable) if not present, configures PATH permanently
• Enables Linux desktop support, runs flutter doctor with timeout
• Compiles native library via linux/build.sh
• Runs flutter pub get for Dart dependencies

Usage

cd flutter_tracker
./install.sh
./run.sh  # Now works

Implementation notes

• Uses dpkg-query for reliable package detection
• Handles partial installations gracefully (skips installed packages, reuses existing Flutter)
• 120s timeout on flutter doctor prevents hangs
• PATH detection pattern avoids duplicate entries: export PATH=.*flutter/bin
• Errors exit immediately (set -e) with clear messages

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