Systems,
from the inside.

AI / Command-line risk analysis

A Python command-review CLI combining shell rules, classifier risk, BM25-ranked command history, and LiteLLM into allow, warn, or block decisions.

1. Command + user
2. Rules + classifier
3. BM25 history + LLM
4. Risk → execution decision

AI / Local browser Q&A

A TypeScript extension that extracts DOM text and tables, runs Tesseract.js OCR, caches page context in IndexedDB, and answers with extractive sentence scoring.

1. DOM + images
2. Text + table extraction
3. Question classification
4. Extractive answer

AI / Document retrieval & reasoning

A Streamlit assistant with 1,000-character document chunks, MiniLM embeddings, persistent Chroma cosine search, selected-document retrieval, and optional web-search augmentation.

1. Files → text
2. Chunks → MiniLM
3. Chroma retrieval
4. Guardrails + answer

Systems / Event ingestion & analytics

Go HTTP/UDP collectors accept structured SDK events, publish to Kafka, and feed a ClickHouse consumer for column-oriented event analytics.

1. JS / Go / Python SDK
2. Go collector
3. Kafka topic
4. ClickHouse events

AI / Document-grounded conversation

A FastAPI and Next.js prototype combining layered PDF extraction, OCR fallback, local MiniLM embeddings, NumPy cosine retrieval, and source-aware document chat.

1. Upload + extraction
2. Text + OCR fallback
3. MiniLM + NumPy index
4. Context → chat

AI / Prompt orchestration

A Next.js prompt workspace with FastAPI task endpoints, Celery generation/evaluation workers, Redis result handling, and PostgreSQL-backed prompt history and libraries.

1. Next.js action
2. FastAPI task API
3. Celery + Redis
4. Status + prompt library

Data / PDF-to-SQLite ingestion

Downloads public incident PDFs, reconstructs wrapped records with PyPDF2 and regular expressions, inserts normalized SQLite rows, and reports grouped incident counts.

1. Incident PDF
2. PyPDF2 + row parser
3. SQLite records
4. GROUP BY nature

Data / Geocoding & incident analysis

A Flask interface that reads incident records with pandas, geocodes addresses, clusters coordinates with KMeans, and renders Matplotlib/Seaborn chart artifacts.

1. SQLite incidents
2. pandas + geocoding
3. KMeans + aggregation
4. Flask chart views

Data / FBI Wanted API normalization

A Python CLI that reads FBI Wanted API pages or local JSON, normalizes multi-value fields, and emits a documented three-field delimited format.

1. API page / JSON file
2. Record normalization
3. Multi-value fields
4. Delimited output

AI / Semantic & lexical matching

A Flask NLP workflow combining resume extraction, SentenceTransformer embeddings, TF-IDF similarity, and structured skills to rank resumes against job descriptions.

1. PDF / DOCX
2. Text + NLP features
3. Semantic + lexical similarity
4. Ranked result

AI / Supervised name reconstruction

An NLP experiment using redaction length, neighboring words, POS tags, and n-grams with CountVectorizer and class-balanced logistic regression to reconstruct names.

1. Redacted TSV contexts
2. NLTK + feature strings
3. CountVectorizer
4. Logistic regression names

Data / HTML extraction & email reports

A Requests/BeautifulSoup script that pairs UF job-listing rows with summaries, normalizes listing fields, and composes an SMTP email report.

1. UF jobs HTML
2. BeautifulSoup rows
3. Normalized listings
4. Email report

Systems / Offline-capable messaging

React and Dexie/IndexedDB track pending messages; authenticated FastAPI WebSockets deliver room events, while a sync API reconciles offline records and server IDs.

1. React + local pending record
2. Authenticated WebSocket
3. Message persistence + room fanout
4. Reconnect + sync

Systems / Archived portfolio content API

The original FastAPI service for this portfolio’s projects, journal entries, and contact workflows. The website now uses repository-managed JSON content.

1. FastAPI routes
2. SQLAlchemy sessions
3. Azure SQL models
4. JSON API responses

Systems / History-aware location privacy

Clusters location history with DBSCAN, identifies frequently visited places, perturbs sensitive coordinates, and integrates with a browser geolocation override.

1. Location history
2. DBSCAN + POI detection
3. Coordinate perturbation
4. Geolocation override

Systems / ANTLR parse-tree interpreter

A Delphi/Pascal grammar and Java parse-tree visitor with nested scope maps, class definitions, object fields, and method metadata.

1. Delphi source
2. ANTLR lexer + parser
3. Parse-tree visitor
4. Scopes + object state