Repository navigation
[3/6] Add protection to the Pi harness plugin - #1877
Draft
shellz-n-stuff wants to merge 1 commit into
Draft
shellz-n-stuff wants to merge 1 commit into
shellz-n-stuff wants to merge 1 commit into
Conversation
Co-authored-by: Codex <codex@openai.com> Signed-off-by: Alex Rosenzweig <arosenzweig@squareup.com>
This was referenced Oct 29, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Pi agents need to stop at the shared protection boundary before consuming context or executing tools. This wires the Pi host and adapter into the captured policy, checks native conversation evidence, and isolates protected runtime state by policy revision. Policy changes retire the previous native sessions before work can resume.
Pi also registers its configured models for temporary, tool-free review inference. Pi unit and live protection tests, along with their macOS CI steps, accompany the adapter changes.
Code flow
Pi checks native sources, exact tool arguments with history, and held results or errors before their next consumer.
Illustrative flow; checks shown enabled. Source: host.mjs, runtime.ts.
Review and merge bottom to top:
Validation
TypeScript and the Pi suite pass (111 tests), including the live protection fixture using locked Pi dependencies. The macOS CI lane adds the same Pi fixture at this layer.
Draft. Human app acceptance remains pending. The stack preserves the original implementation without functional changes from splitting it.