Topic
architecture
11 items across this site.
Modeling 'Either, Or, Both' States Without a Combinatorial Explosion
An open look at how the gsmNCloud three-state model from the hybrid telephony work generalizes to other 'a user can have A, B, or...
Product Analytics Pipeline
Built a product analytics telemetry pipeline : a provider abstraction over Amplitude, typed event schemas, Hive-backed client buffering, and sliding-window deduplication.
Behavioral Event Pipeline Design
Case study of the ProductAnalytics pipeline: environment isolation, sliding-window deduplication, and Hive-backed buffering for high-frequency CRM activity.
Hybrid Telephony Workflows
Built a unified multi-channel communication state machine so operators can move between cloud virtual numbers and cellular calling inside one session — without tearing...
Single-Session Multi-Channel Calling
How the hybrid telephony work moved channel selection out of session init — enum state, session-preserving driver swaps, and callMedium attribution across logs and...
Incremental Admin UI Migration
Case study of migrating the Flutter web admin tooling without a big-bang outage — client-side sheet validation, reusable wizards, and dirty-check navigation guards.
PostgREST + RLS for Multi-Tenant APIs
How PostgREST plus PostgreSQL Row Level Security removes a class of CRUD controllers — tenants are isolated in the database, and a thin backend...
Plugin-Style ETL on AWS Lambda
Serverless ETL where sources, transforms, and sinks are plugins loaded from a YAML job config — deployed on Lambda via Serverless Framework without a...
Webhook Deploys Without CI/CD
Automatic git-pull deployments on shared hosting: GitHub webhook → Laravel endpoint → queued RunDeployment job, and when that pattern is (and is not) appropriate.
RAG over PDFs with LlamaIndex
How a PDF chatbot grounds answers with VectorStoreIndex — chunking, retrieval, generation — and why a global in-memory index is a demo ceiling, not...
Boot-Time Code Integrity in Laravel
SHA-256 hash-check a critical file on every Laravel boot and webhook a tamper alert — when the pattern helps on shared hosting, and the...