Add daemon-backed Pi npm plugin

.github/workflows/ci.yml

@@ -32,7 +32,9 @@ jobs:
         with:
           node-version: 24
           cache: pnpm
-          cache-dependency-path: src/plugins/opencode/content/pnpm-lock.yaml
+          cache-dependency-path: |
+            src/plugins/opencode/content/pnpm-lock.yaml
+            src/plugins/pi/content/pnpm-lock.yaml
       - name: Reject Bun tooling in OpenCode and the shared client
         shell: bash
         run: |
@@ -66,8 +68,8 @@ jobs:
         run: node --test src/runtime/js-daemon-client/tests/client.test.ts
       - name: Verify generated client preparation
         run: |
-          node scripts/prepare-js-daemon-client.mjs opencode
-          node scripts/prepare-js-daemon-client.mjs opencode --check
+          node scripts/prepare-js-daemon-client.mjs all
+          node scripts/prepare-js-daemon-client.mjs all --check
 
   opencode-compatibility:
     name: OpenCode package (${{ matrix.peer-version }})
@@ -107,6 +109,57 @@ jobs:
           node -e 'import(process.argv[1]).then((m) => { if (typeof m.default !== "function") process.exit(1) })' \
             "$PWD/install-test/node_modules/@braintrust/trace-opencode/dist/index.mjs"
 
+  resolve-pi-compatibility:
+    name: Resolve Pi compatibility window
+    runs-on: ubuntu-24.04
+    timeout-minutes: 10
+    outputs:
+      versions: ${{ steps.versions.outputs.versions }}
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - id: versions
+        name: Resolve latest patch from five Pi minor lines
+        env:
+          PI_VERSION_COUNT: 5
+        run: node src/plugins/pi/content/scripts/resolve-pi-versions.mjs
+
+  pi-compatibility:
+    name: Pi package (${{ matrix.pi-target.version }})
+    needs: resolve-pi-compatibility
+    strategy:
+      fail-fast: false
+      matrix:
+        pi-target: ${{ fromJson(needs.resolve-pi-compatibility.outputs.versions) }}
+    runs-on: ubuntu-24.04
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      - name: Set up pnpm
+        uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
+        with:
+          version: 11.21.0
+      - name: Set up Node
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+        with:
+          node-version: 24
+          cache: pnpm
+          cache-dependency-path: src/plugins/pi/content/pnpm-lock.yaml
+      - name: Build and validate Pi package
+        run: make validate-pi
+      - name: Test resolved Pi compatibility target
+        shell: bash
+        run: |
+          set -euo pipefail
+          package_dir="$(mktemp -d)"
+          (cd dist/pi && pnpm pack --pack-destination "$package_dir" >/dev/null)
+          tarball="$(find "$package_dir" -name 'braintrust-pi-extension-*.tgz' -print -quit)"
+          mkdir pi-install-test
+          npm install --prefix pi-install-test --no-audit --no-fund \
+            "$tarball" \
+            '${{ matrix.pi-target.piCodingAgentSpec }}'
+          node -e 'import(process.argv[1]).then((m) => { if (typeof m.default !== "function") process.exit(1) })' \
+            "$PWD/pi-install-test/node_modules/@braintrust/pi-extension/dist/index.mjs"
+
   daemon:
     name: Daemon (${{ matrix.os }})
     strategy:
@@ -129,7 +182,7 @@ jobs:
           rustup default stable
           rustup component add clippy rustfmt
       - name: Install latest coding agents
-        run: npm install --prefix "${{ runner.temp }}/coding-agents" --no-save --no-package-lock --no-audit --no-fund --cache "${{ runner.temp }}/npm-cache" @openai/codex@latest @anthropic-ai/claude-code@latest opencode-ai@latest
+        run: npm install --prefix "${{ runner.temp }}/coding-agents" --no-save --no-package-lock --no-audit --no-fund --cache "${{ runner.temp }}/npm-cache" @openai/codex@latest @anthropic-ai/claude-code@latest opencode-ai@latest @earendil-works/pi-coding-agent@latest
       - name: Set up pnpm
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
         with:
@@ -139,7 +192,9 @@ jobs:
         with:
           node-version: 24
           cache: pnpm
-          cache-dependency-path: src/plugins/opencode/content/pnpm-lock.yaml
+          cache-dependency-path: |
+            src/plugins/opencode/content/pnpm-lock.yaml
+            src/plugins/pi/content/pnpm-lock.yaml
       - name: Build and install OpenCode plugin for integration harness
         shell: bash
         run: |
@@ -154,11 +209,24 @@ jobs:
             "$tarball" @opencode-ai/plugin@latest @opencode-ai/sdk@latest
           echo "OPENCODE_PLUGIN=$install_dir/node_modules/@braintrust/trace-opencode/dist/index.mjs" \
             >> "$GITHUB_ENV"
+      - name: Build and install Pi extension for integration harness
+        shell: bash
+        run: |
+          set -euo pipefail
+          make build-pi
+          package_dir="$RUNNER_TEMP/pi-package"
+          install_dir="$RUNNER_TEMP/pi-extension"
+          mkdir -p "$package_dir" "$install_dir"
+          (cd dist/pi && pnpm pack --pack-destination "$package_dir" >/dev/null)
+          tarball="$(find "$package_dir" -name 'braintrust-pi-extension-*.tgz' -print -quit)"
+          npm install --prefix "$install_dir" --no-save --no-package-lock --no-audit --no-fund \
+            "$tarball"
       - name: Report coding-agent versions
         run: |
           npm exec --prefix "${{ runner.temp }}/coding-agents" -- codex --version
           npm exec --prefix "${{ runner.temp }}/coding-agents" -- claude --version
           npm exec --prefix "${{ runner.temp }}/coding-agents" -- opencode --version
+          npm exec --prefix "${{ runner.temp }}/coding-agents" -- pi --version
       - name: Check formatting
         if: runner.os == 'Linux'
         run: cargo fmt --manifest-path bt-daemon/Cargo.toml -- --check
@@ -173,6 +241,8 @@ jobs:
           CODEX_BIN: ${{ runner.temp }}/coding-agents/node_modules/.bin/codex${{ matrix.agent_suffix }}
           CLAUDE_BIN: ${{ runner.temp }}/coding-agents/node_modules/.bin/claude${{ matrix.agent_suffix }}
           OPENCODE_BIN: ${{ runner.temp }}/coding-agents/node_modules/.bin/opencode${{ matrix.agent_suffix }}
+          PI_BIN: ${{ runner.temp }}/coding-agents/node_modules/.bin/pi${{ matrix.agent_suffix }}
+          PI_EXTENSION_PATH: ${{ runner.temp }}/pi-extension/node_modules/@braintrust/pi-extension/dist/index.mjs
         run: cargo test --manifest-path bt-daemon/Cargo.toml --all-features --locked --test agent_integration -- --ignored --nocapture --test-threads=1
       - name: Lint daemon
         run: cargo clippy --manifest-path bt-daemon/Cargo.toml --all-targets --all-features --locked -- -D warnings

.github/workflows/release-pi.yml

@@ -0,0 +1,141 @@
+# GENERATED by sdk-actions `bin/workflow` — update with: bin/workflow update <this file>
+# sdk-actions: {"template":"release/js/turnkey","ref":"71731d4a726df3e3bf42e50c2da4a75842b038dd","version":"1.0.0","params":{"access":"public","allowed_channels":"latest,rc,next,beta","dry_run_environment":"npm-pi-dry-run","emoji":":javascript:","node_version":"src/plugins/pi/content/.tool-versions","package_name":"@braintrust/pi-extension","provenance":"true","publish_environment":"npm-pi","slack_channel_var":"SLACK_SDK_RELEASE_CHANNEL","slack_token_secret":"SLACK_BOT_TOKEN","workflow_name":"Release Pi","working_directory":"src/plugins/pi/content"}}
+
+name: Release Pi
+
+# Releases @braintrust/pi-extension to npm via braintrustdata/sdk-actions. Dispatch after merging
+# the commit that bumps package.json's "version"; the release runs against that commit's SHA.
+on:
+  workflow_dispatch:
+    inputs:
+      release_type:
+        description: "Release type (stable → GitHub release; prerelease → none)"
+        type: choice
+        default: stable
+        options: [stable, prerelease]
+      channel:
+        description: "npm dist-tag / channel"
+        type: choice
+        default: latest
+        options: [latest, rc, next, beta]
+      sha:
+        description: "Commit SHA (of the version bump) to release"
+        required: true
+        type: string
+      prev_release:
+        description: "Release-notes anchor: a tag or SHA (empty → the previous tag)"
+        type: string
+        required: false
+      dry_run:
+        description: "Dry run: build without tagging or publishing"
+        type: boolean
+        default: false
+
+jobs:
+  # FACT-FIND — derive version/tag/notes, check the registry, and emit the package manifest.
+  # contents: write is for the releases/generate-notes API.
+  configure:
+    runs-on: ubuntu-24.04
+    timeout-minutes: 5
+    permissions:
+      contents: write
+    outputs:
+      version: ${{ steps.configure.outputs.version }}
+      release_tag: ${{ steps.configure.outputs.release_tag }}
+      prev_release: ${{ steps.configure.outputs.prev_release }}
+      branch: ${{ steps.configure.outputs.branch }}
+      on_release_branch: ${{ steps.configure.outputs.on_release_branch }}
+      commit_message: ${{ steps.configure.outputs.commit_message }}
+      channel: ${{ steps.configure.outputs.channel }}
+      github_release: ${{ steps.configure.outputs.github_release }}
+      already_published: ${{ steps.configure.outputs.already_published }}
+      notes: ${{ steps.configure.outputs.notes }}
+      package: ${{ steps.configure.outputs.package }}
+    steps:
+      - name: Configure release
+        id: configure
+        uses: braintrustdata/sdk-actions/actions/release/lang/js/configure@71731d4a726df3e3bf42e50c2da4a75842b038dd
+        with:
+          sha: ${{ inputs.sha }}
+          working_directory: src/plugins/pi/content
+          tag_format: 'v{version}-pi'
+          release_type: ${{ inputs.release_type }}
+          npm_channel: ${{ inputs.channel }}
+          npm_package_name: '@braintrust/pi-extension'
+          package_label: '@braintrust/pi-extension'
+          emoji: ':javascript:'
+          prev_release: ${{ inputs.prev_release }}
+
+  validate:
+    needs: [configure]
+    runs-on: ubuntu-24.04
+    timeout-minutes: 10
+    permissions:
+      contents: read
+    steps:
+      - name: Validate release
+        uses: braintrustdata/sdk-actions/actions/release/lang/js/validate@71731d4a726df3e3bf42e50c2da4a75842b038dd
+        with:
+          sha: ${{ inputs.sha }}
+          dry_run: ${{ inputs.dry_run }}
+          working_directory: src/plugins/pi/content
+          node_version: src/plugins/pi/content/.tool-versions
+          release_tag: ${{ needs.configure.outputs.release_tag }}
+          channel: ${{ needs.configure.outputs.channel }}
+          allowed_channels: 'latest,rc,next,beta'
+          on_release_branch: ${{ needs.configure.outputs.on_release_branch }}
+          notes: ${{ needs.configure.outputs.notes }}
+          already_published: ${{ needs.configure.outputs.already_published }}
+          enforce_release_branch: 'true'
+
+  request-approval:
+    needs: [configure, validate]
+    runs-on: ubuntu-24.04
+    timeout-minutes: 5
+    permissions: {}
+    steps:
+      - name: Request release approval
+        uses: braintrustdata/sdk-actions/actions/release/request-approval@71731d4a726df3e3bf42e50c2da4a75842b038dd
+        with:
+          packages: '{"packages":[${{ needs.configure.outputs.package }}]}'
+          sha: ${{ inputs.sha }}
+          branch: ${{ needs.configure.outputs.branch }}
+          on_release_branch: ${{ needs.configure.outputs.on_release_branch }}
+          commit_message: ${{ needs.configure.outputs.commit_message }}
+          dry_run: ${{ inputs.dry_run }}
+          slack_token: ${{ secrets.SLACK_BOT_TOKEN }}
+          slack_channel: ${{ vars.SLACK_SDK_RELEASE_CHANNEL }}
+
+  build-and-ship:
+    needs: [configure, validate, request-approval]
+    runs-on: ubuntu-24.04
+    timeout-minutes: 15
+    environment: ${{ inputs.dry_run && 'npm-pi-dry-run' || 'npm-pi' }}
+    permissions:
+      contents: write
+      id-token: write  # OIDC trusted publishing + provenance
+      attestations: write  # signed SBOM attestation
+    steps:
+      - name: Build and ship
+        uses: braintrustdata/sdk-actions/actions/release/lang/js/build-and-ship@71731d4a726df3e3bf42e50c2da4a75842b038dd
+        with:
+          sha: ${{ inputs.sha }}
+          working_directory: src/plugins/pi/content
+          node_version: src/plugins/pi/content/.tool-versions
+          dry_run: ${{ inputs.dry_run }}
+          release_tag: ${{ needs.configure.outputs.release_tag }}
+          already_published: ${{ needs.configure.outputs.already_published }}
+          github_release: ${{ needs.configure.outputs.github_release }}
+          version: ${{ needs.configure.outputs.version }}
+          access: 'public'
+          provenance: 'true'
+          channel: ${{ needs.configure.outputs.channel }}
+          package_name: '@braintrust/pi-extension'
+          label: '@braintrust/pi-extension'
+          notes: ${{ needs.configure.outputs.notes }}
+          prev_release: ${{ needs.configure.outputs.prev_release }}
+          branch: ${{ needs.configure.outputs.branch }}
+          on_release_branch: ${{ needs.configure.outputs.on_release_branch }}
+          slack_token: ${{ secrets.SLACK_BOT_TOKEN }}
+          slack_channel: ${{ vars.SLACK_SDK_RELEASE_CHANNEL }}
+          emoji: ':javascript:'

README.md

@@ -9,6 +9,7 @@ For further instructions, see the instructions for your desired coding agent
 | Claude Code | [braintrustdata/braintrust-claude-plugin](https://github.com/braintrustdata/braintrust-claude-plugin) |
 | Codex       | [braintrustdata/braintrust-codex-plugin](https://github.com/braintrustdata/braintrust-codex-plugin)   |
 | OpenCode    | npm: [`@braintrust/trace-opencode`](https://www.npmjs.com/package/@braintrust/trace-opencode) |
+| Pi          | npm: [`@braintrust/pi-extension`](https://www.npmjs.com/package/@braintrust/pi-extension) |
 
 ## Development & releasing
 

bt-daemon/docs/protocol.md

@@ -92,7 +92,7 @@ Result:
 {
   "protocol_version": 1,
   "daemon_version": "0.1.0",
-  "capabilities": { "sources": ["codex", "claude-code", "opencode", "debug"] }
+  "capabilities": { "sources": ["codex", "claude-code", "opencode", "pi", "debug"] }
 }
 ```
 If `protocol_version` is incompatible the daemon returns an application error;

bt-daemon/src/translate/mod.rs

@@ -12,11 +12,13 @@ mod codex;
 mod debug;
 mod git;
 mod opencode;
+mod pi;
 
 pub use claude::ClaudeTranslatorFactory;
 pub use codex::CodexTranslatorFactory;
 pub use debug::DebugTranslatorFactory;
 pub use opencode::OpenCodeTranslatorFactory;
+pub use pi::PiTranslatorFactory;
 
 use crate::wire::{Envelope, SessionConfig};
 use serde::{Deserialize, Serialize};
@@ -125,7 +127,8 @@ impl Registry {
         let git = Arc::new(git::GitMetadataCache::default());
         r.register(Box::new(ClaudeTranslatorFactory::new(git.clone())));
         r.register(Box::new(CodexTranslatorFactory::new(git.clone())));
-        r.register(Box::new(OpenCodeTranslatorFactory::new(git)));
+        r.register(Box::new(OpenCodeTranslatorFactory::new(git.clone())));
+        r.register(Box::new(PiTranslatorFactory::new(git)));
         r
     }