Fix feedback_store.csv paths, retrain.py syntax errors, and adminSeeder.js typos

[onkar0127]

fixes #148

Description

This Pull Request standardizes the feedback_store.csv filepath resolution between the Flask API save path, the insights dashboard loader, and the model retraining script. It also cleans up critical merge conflicts/syntax errors in retrain.py and typo bugs in adminSeeder.js.

Changes

1. Feedback Path Standardization:
   • Updated backend/spam_insights.py to point to the correct output folder: backend/output/feedback_store.csv.
   • Updated backend/retrain.py to resolve default --feedback and --dataset paths relative to the script's directory, enabling execution from any working directory.
2. retrain.py Syntax & Merge Conflict Fixes:
   • Removed old merge conflict residues (feature/main text fragments).
   • Removed redundant old training code nested inside backup_existing_files() that previously threw an IndentationError.
3. adminSeeder.js Typo Fixes:
   • Corrected conso;e.log and cnsole.log to console.log to prevent server crashes upon MongoDB connection.

Verification Results

• Pytest: Executed pytest backend/tests and all 58 tests passed with zero failures.
• Retrain Script: Ran python backend/retrain.py --help successfully.

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