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Tool runs leave the scrollback

OpenShellOrg published architecture for compilers as structured Tool Runs — shared daemon, embeddable library, and per-command channels — instead of treating stderr as the product.

Compiler output still arrives the way it did when the terminal was the only UI: jargon-first text on stderr, interleaved into scrollback, unfriendly to agents that may fire dozens of builds in a row.

OpenShellOrg published the architecture that treats each compile (and other long tools) as a Tool Run on a shared bus. A daemon indexes live and finished runs. An embeddable library lets agent hosts mount the same widgets on a timeline without opening a stack of OS windows. Wrappers speak structured diagnostics (SARIF / tooling JSON) that already exist — the plan does not wait on rewriting every frontend.

Hosts keep stdout, stderr, and later diagnostics as separate channels with a switcher, so the display stops pretending the streams were one. Structured shell results can stay retro-interactive after the command exits; compilers take the Tool Run path instead.

Sibling orgs are named on purpose: HCI Nerdz for programmer-POV wording and attention patterns, Desktop Tooling for optional OS-level flash or tray helpers, Dev-Centr for agent harness embedding. The protocol stays in OpenShellOrg.