AJAlen Joyinpragmaticstack.in·Sep 24 · 5 min readOne Agent, One Worktree: Isolation and Concurrency for Coding Agents🗓️ Last updated: September 2026 Three coding agents start from the same checkout. One upgrades a package. One refactors the service that uses it. One fixes a test by changing the shared fixture. Eac38JEKBB
AJAlen Joyinpragmaticstack.in·Sep 22 · 5 min readTests Are the Verification Layer: Proving Agent Generated Changes🗓️ Last updated: September 2026 The coding agent reports that the feature is complete. The project compiles. Four tests pass. The fifth test was deleted because it represented "legacy behavior." Thi24BL
AJAlen Joyinpragmaticstack.in·Sep 17 · 5 min readReviewing Code Nobody Typed: Human Judgment in an Agentic Workflow🗓️ Last updated: September 2026 A pull request arrives with thirty seven changed files, polished comments, comprehensive tests, and a description that explains the architecture with unusual confiden44II
AJAlen Joyinpragmaticstack.in·Sep 15 · 5 min readThe Pull Request Is the Product: A Delivery System for Coding Agents🗓️ Last updated: September 2026 The pilot begins with one developer and one coding agent. Within a month, several teams have different tools, different repository instructions, different permission 00
AJAlen Joyinpragmaticstack.in·Aug 27 · 5 min readThe Ticket Is the Contract: Specifying Work for Coding Agents🗓️ Last updated: August 2026 The ticket says, "Improve the checkout flow." A coding agent changes validation, renames a response field, adds a dependency, and redesigns the error page. Every change 00
