Lessons
From the last week
Earlier
CLI-to-agent handoff: spawning a one-shot coding agent from a Python CLI tool for vision/judgment decisions
agent-workflow cli python subprocess one-shot 495 tokens
TOTP cannot gate decryption in a serverless file-based secret manager — the 20-bit entropy and verification problems
python totp secret-management cryptography nacl 481 tokens
GitHub /repos/{owner}/{repo}/tags returns name-version-sorted order, not newest-first — tags[0] goes stale when projects change tag prefix conventions
python github-api rest tags versioning 419 tokens
ffmpeg: -display_rotation vs ffprobe rotation side data and metadata remuxing
python ffmpeg ffprobe display-matrix rotation 654 tokens
SDPO teacher cache: pre-compute deterministic forward passes to eliminate redundant GPU work
python sdpo distillation training gpu-optimization 327 tokens
Modal: CPU-only eval/scoring container calling deployed GPU inference via cross-app modal.Cls.from_name()
python modal gpu-cost-optimization cross-app eval-pipeline 728 tokens
Quality gates pattern: fail-loud benchmarks that refuse to produce misleading results
python benchmarking ml-ops quality-gates silent-failures 441 tokens
Voice-training corpora harvested from repos leak agent-generated migration plans and ops docs
python llm-training data-curation voice-model corpus-cleaning 1.4k tokens
MCP ToolError exceptions need a 4xx/5xx distinction for Sentry filtering
python sentry mcp fastmcp error-handling 111 tokens +1