Files
paseo/packages
Mohamed Boudra fbc2371b95 feat(server): replace Pi ACP with direct SDK provider (#202)
* feat(server): replace Pi ACP integration with direct SDK provider

Replace the ACP-based Pi provider (which spawned a `pi-acp` subprocess
and talked JSON-RPC over stdio) with a direct in-process integration
using `@mariozechner/pi-coding-agent` as a library.

The new `PiDirectAgentClient` and `PiDirectAgentSession` use the Pi SDK
directly — creating sessions via `createAgentSession()`, managing models
via `ModelRegistry`, and mapping Pi's `AgentSessionEvent` stream to
Paseo's `AgentStreamEvent` types including:

- Thread/turn lifecycle events
- Assistant text and thinking/reasoning deltas
- Tool execution (bash, read, write, edit, find, grep, ls) with arg
  caching across start/update/end events
- Compaction events
- Session persistence and resume via `SessionManager`

Thinking levels flow through the existing `thinkingOptionId` /
`setThinkingOption()` infrastructure, not through features.

Includes 9 real e2e tests against a live Pi agent covering tool calls
(bash/read/write/edit), reasoning chunks, session persistence/resume,
model listing, and thinking option management.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: update lockfile signatures and Nix hash

* refactor(server): improve Pi direct provider code quality

Address coding standards violations in pi-direct-agent.ts:

- Replace all `as Record<string, unknown>` / `as any` / `as unknown as`
  casts with properly typed boundaries using Pi SDK's exported tool
  input types (BashToolInput, ReadToolInput, EditToolInput, etc.)
- Introduce named interfaces at all boundaries: PiPromptPayload,
  ToolCallOutputSummary, PiModelReference, PiPersistenceMetadata
- Parse tool args once at boundary into typed discriminated union,
  then trust types internally — no more typeof probing in mappers
- Break all dense ternary chains into named steps / helper functions
- Import SDK types directly (RegisteredCommand, ResourceLoader, Skill)
  instead of casting through anonymous inline shapes
- Isolate the system prompt SDK escape hatch into a minimal boundary
  helper with a named interface

Behavior is preserved — all 9 real e2e tests still pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: regenerate package-lock.json with resolved/integrity fields

The previous lockfile regeneration ran under an offline/cached npm
context and stripped resolved URLs and integrity hashes from existing
entries, which would break npm ci and Nix builds.

* fix: update Nix npmDepsHash for regenerated lockfile

* chore(server): bump @mariozechner/pi-coding-agent to ^0.67.68

* fix: update lockfile signatures and Nix hash

* fix(app): surface agent setter RPC errors as toasts

setAgentMode/Model/ThinkingOption/Feature errors from the daemon were
only logged to console, so failures like missing API keys silently
vanished. Add toast.error fallbacks at all call sites and hoist
ToastProvider above SessionProvider so session context can use it.

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
2026-04-19 14:45:01 +08:00
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