Replace Streamlit UI with Flask web interface

[fowler128]

Motivation

• Replace the Streamlit-based UI with a lightweight, dependency-friendly web alternative while preserving the same redaction workflow and auditability.
• Provide a simple HTML form for legal/matter metadata and action-driven outputs so the tool can run without Streamlit in constrained environments.
• Keep native PDF object-level redaction, OCR fallback, and JSONL audit logging for defensibility and traceability.

Description

• Replaced the Streamlit app with a Flask application (local-redactor/app.py) that handles uploads, redaction options, OCR/native-PDF toggles, and action-based outputs (preview, report, download_docx, download_pdf).
• Added an HTML template (local-redactor/templates/index.html) implementing the form for matter ID, reviewer, redaction toggles, PDF options, custom terms, and output buttons.
• Updated local-redactor/requirements.txt to include Flask and other runtime libraries and updated local-redactor/README.md to document the Flask alternative and run instructions.
• Preserved the existing redaction engine and audit behavior by calling redact_text_with_report, redact_pdf_native, build_redacted_docx, build_redacted_pdf, and writing JSONL audit events to audit_logs/redaction_events.jsonl.

Testing

• Ran unit tests with python -m unittest test_redaction_engine.py from local-redactor and all tests passed (OK).
• Byte-compiled local-redactor/app.py, local-redactor/redaction_engine.py, and local-redactor/test_redaction_engine.py with python -m py_compile and compilation succeeded.
• Performed a runtime import check for Flask which showed Flask is not installed in this environment, so the web server was validated by static checks only (server launch was not executed).

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
claude-code-practice	Ready	Preview, Comment	Feb 21, 2026 3:21am