// projects
Things I've built
Each case study covers the problem, the approach, the trade-offs, and what actually shipped. No vague impact metrics.
case_01This site · shipping · codeciech.com
codeciech.com — Obsidian-to-Web Pipeline
A Pi under my desk, an AI agent named Hermes, and Lovable on top
Raspberry Pi 5GoHermes (AI agent)Obsidian vaultSupabase PostgresTanStack StartLovable
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case_02Thistle Technologies · production
Certificate-Based Auth for MQTT
PKI-issued device identity for secure IoT communication
PKIX.509mTLSMQTTRoot + Subordinate CAs
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case_03Side project · shipping · salsa-collective.com
tanda — Salsa Collective Lead Intake
AI-powered Gmail inbox that never loses a lead
Go 1.23Supabase PostgresLM Studio (local LLM)Gmail OAuth2Lovable admin UI
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case_04Thistle Technologies · Thistle OTA
AI Model Provenance for Edge Devices
Sign at release, verify at runtime — cryptographic provenance for on-device AI
Google Cloud KMSSHA-256OTA update pipelineOptional per-file encryption
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case_05Side project · shipping
Cantus Vault
Sheet music management for a parish choir, built on Google Workspace
Google Apps ScriptTypeScriptGoogle DriveGoogle Forms
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case_06Side project · shipping · salsa-collective.com
venmo-ledger — Email-to-Ledger for Venmo
Turn Venmo email receipts into a real transactions database — no API, no Plaid
Go 1.23Gmail OAuth2Postgres / SupabaseDockerLovable admin UI
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