[DO NOT MERGE] Tracker Service POC

[jdanieck]

📝 Description

Not intented to me merged. Code here will be used as a base for MVP and introduced gradually in seperate PRs.

Image size:

$ docker image ls
scenescape-controller:latest             2cee20c234f7       1.68GB             0B        
tracker-tracker:latest                   6bf8ff7d4ed4       57.7MB             0B    U   

E2E test results:

[+] Building 1/1
 ✔ tracker-tracker  Built                                                                                         0.0s 
docker compose up -d
[+] Running 3/3
 ✔ Network tracker_tracker-network  Created                                                                       0.0s 
 ✔ Container tracker-service        Started                                                                       0.2s 
 ✔ Container mqtt-broker            Started                                                                       0.2s 
make[1]: Leaving directory '/home/jdanieck/repos/scenescape/core/tracker'
Waiting for services to be ready...
Starting message subscriber in background...
Publishing test messages...
make[1]: Entering directory '/home/jdanieck/repos/scenescape/core/tracker'
make[1]: Leaving directory '/home/jdanieck/repos/scenescape/core/tracker'
Waiting for tracker to process messages...
Checking received messages...
Expected: 4, Received: 4
Output saved to: /tmp/tracker_e2e_20251121_154418.txt
✓ E2E test PASSED
{"timestamp":"2025-10-08T13:21:40.000Z","objects":[]}
{"timestamp":"2025-10-08T13:21:40.000Z","objects":[]}
{"timestamp":"2025-10-08T13:21:40.000Z","objects":[{"id":-1,"x":-0.549777,"y":-0.3255,"z":0,"vx":1.17901e-17,"vy":6.21002e-18,"length":0.127,"width":0.127,"height":0.309}]}
{"timestamp":"2025-10-08T13:21:40.000Z","objects":[{"id":-1,"x":-0.541305,"y":-0.3255,"z":0,"vx":1.17959e-17,"vy":5.10363e-18,"length":0.127,"width":0.127,"height":0.309}]}
make[1]: Entering directory '/home/jdanieck/repos/scenescape/core/tracker'
docker compose down
[+] Running 3/3
 ✔ Container tracker-service        Removed                                                                       0.5s 
 ✔ Container mqtt-broker            Removed                                                                       0.5s 
 ✔ Network tracker_tracker-network  Removed                                                                       0.2s 
make[1]: Leaving directory '/home/jdanieck/repos/scenescape/core/tracker'

✨ Type of Change

Select the type of change your PR introduces:

• 🐞 Bug fix – Non-breaking change which fixes an issue
• 🚀 New feature – Non-breaking change which adds functionality
• 🔨 Refactor – Non-breaking change which refactors the code base
• 💥 Breaking change – Changes that break existing functionality
• 📚 Documentation update
• 🔒 Security update
• 🧪 Tests
• 🚂 CI

🧪 Testing Scenarios

Describe how the changes were tested and how reviewers can test them too:

• ✅ Tested manually
• 🤖 Ran automated end-to-end tests

✅ Checklist

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• 🔍 PR title is clear and descriptive
• 📝 For internal contributors: If applicable, include the JIRA ticket number (e.g., ITEP-123456) in the PR title. Do not include full URLs
• 💬 I have commented my code, especially in hard-to-understand areas
• 📄 I have made corresponding changes to the documentation
• ✅ I have added tests that prove my fix is effective or my feature works