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## What
Hardens the plan-mode example extension's step-progress tracking.
Previously, completion markers were only recognized in the exact
`[DONE:n]` form inside visible text blocks, so steps frequently never
got checked off during execution.
## Changes
- **`getTextContent`** now reads `thinking` blocks as well as text
blocks, so `[DONE:n]` tags emitted during reasoning are honored.
- **Marker tolerance** (`extractDoneSteps`): accepts `[DONE: 1]`, `[DONE
1]`, `Done: n`, and prose phrasings like "Step n done / is complete /
finished" — all adjacency-anchored so negations ("Step 9 is not done")
never match.
- **Whole-plan fallback** (`allStepsComplete`): if the run's final
message says the plan is done (e.g. "All steps complete"), all remaining
steps are marked at `agent_end`.
- **Plan extraction dedup**: only the last `Plan:` section is extracted,
so a plan drafted in a thinking block no longer duplicates the steps
from the text block.
- **No more truncation**: step text is kept in full (previously cut at
50 chars); the widget truncates for display only. The execution prompt
now shows the complete step text.
- **No more dropped steps**: steps whose text starts with a backtick
(e.g. `1. \`index.ts\` — …`) are no longer skipped.
- **Widget refresh** happens on every turn instead of only when a marker
matched.
- **Plan-complete card** is delivered with `nextTurn` instead of
triggering an extra LLM turn.
## Tests
`packages/coding-agent/test/plan-mode-utils.test.ts` updated for the new
behavior (truncation, backtick steps, marker-count semantics) and
extended with coverage for the new cases (marker variants, prose
phrasings, negation safety, thinking-draft dedup, markdown titles,
whole-plan completion).
All 43 tests in `plan-mode-utils.test.ts` +
`plan-mode-extension.test.ts` pass (`npx vitest run`).
Note: the repo-wide type-check currently fails on `main` with
pre-existing `ModelCatalog`/`never` errors unrelated to this change;
this branch adds none (same count with and without the diff).
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| extensions | ||
| sdk | ||
| README.md | ||
| rpc-client.ts | ||
| rpc-extension-ui.ts | ||
| tsconfig.json | ||
Examples
Example code for the pi-coding-agent SDK, process integration, and extensions.
CLI integration
rpc-client.ts uses the typed RpcClient to run Pi in a child process, stream events, and wait for the run to settle.
Build the coding-agent package before running it from a repository checkout:
node examples/rpc-client.ts "Explain this repository"
Directories
sdk/
Programmatic usage via createAgentSession(). Shows how to customize models, prompts, tools, extensions, and session management.
extensions/
Example extensions demonstrating:
- Lifecycle event handlers (tool interception, safety gates, context modifications)
- Custom tools (todo lists, questions, subagents, output truncation)
- Commands and keyboard shortcuts
- Custom UI (footers, headers, editors, overlays)
- Git integration (checkpoints, auto-commit)
- System prompt modifications and custom compaction
- External integrations (SSH, file watchers, system theme sync)
- Custom providers (Anthropic with custom streaming, GitLab Duo)