Collection
The first version of the DarJS test architecture had the AI writing raw Playwright. page.click('a[href*="/new"]'). page.fill('input[name="cin_patient"]', 'AB123456'). page.waitForSelector('.record-id:has-text("REG-001")'). It worked until a template changed. Then it silently broke...
Part 6 of “Inside Claude’s Cognition” Series The previous parts covered how I manage context, how the tools work, and how to structure projects so AI collaboration scales....
tags: [codemap, tooling, sync, symbols, line-numbers, documentation, pre-commit, trust] related: tools/codemap/symbol-extractor.js tools/codemap/codemap-patcher.js tools/codemap/smell-detector.js packages/cli/commands/codemap.js docs/CODEMAP.md responses/RESPONSE_2026-05-16_codemap-sync-tool.md status: current — 023 — The Living CODEMAP Every codebase that works...
Most of what developers ask an LLM isn’t a generation problem. It’s a retrieval problem wearing a generation costume. “What already exists that adds timestamps to a model?”...
There’s a particular kind of sentence you only encounter in codebases maintained by people who know what they’re doing. It looks simple. It reads like a rule. But...
The MCP server was working. Thirteen tools. An AI could ask your framework questions and get structured answers. Then you renamed a function. One rename. Six tools broke...
tags: [testing, mocking, esm, cjs, transformers, injection, seams, unit-testing, vitest] related: packages/nlp/semantic-resolver.js packages/nlp/tests/semantic-resolver.test.js packages/testing/tests/nl-runner.test.js status: current — 026 — The Test Seam for Heavy Dependencies The semantic resolver...
The DarJS contract system had 100% coverage. Every public function had a @reuse-when field. Every module had @tags. The TF-IDF index was built and the dar find command...
tags: [tokens, context, contracts, retrieval, agents, architecture, codemap, nlp] related: 011_nlp_contracts.md 012_dar_find.md supersedes: ~ status: current — The Three Token Debts — and the One Architecture That Pays...