Add init.py to Namespace Packages

Add __init__.py files to implicit namespace packages to prevent import hijacking and ensure correct package resolution.

Problem Statement

Both Security Sentinel (INP001) and Kieran Python Reviewer identified missing __init__.py files. While Python 3 supports implicit namespace packages, omitting __init__.py in standard packages can lead to ambiguity and potential security risks (import hijacking).

Findings

Issue: Missing __init__.py files.
Impact: Security/Reliability. INP001 warning.

Proposed Solutions

Option 1: Add Empty init.py

Approach: Create empty __init__.py files in all directory levels that function as packages.

Pros:

Explicitly defines packages.
Resolves INP001.

Cons:

Adds file clutter (minor).

Recommended Action

To be filled during triage.

Technical Details

Likely locations:

src/helia (check if present)
Subdirectories in src/helia where they are missing.

Resources

Source: Security Sentinel / Kieran Python Reviewer

Acceptance Criteria

__init__.py files added to all relevant source directories.
Package imports verify correctly.

Work Log

2025-12-20 - Initial Creation

By: Claude Code

Actions:

Created todo based on code review findings.

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