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https://github.com/backnotprop/plannotator.git
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Michael Ramos
6b775ea1ed
* feat: add /plannotator-last command to annotate last assistant message
Adds a new slash command that extracts the last rendered assistant message
from Claude Code's session log and opens it in the annotation UI.
Session log parser (apps/hook/server/session-log.ts):
- Parses Claude Code JSONL logs at ~/.claude/projects/{slug}/*.jsonl
- Finds the last assistant message.id with text content blocks
- Skips noise entries (progress, system, file-history-snapshot, queue-operation)
- Filters system-generated user messages by prefix to avoid false turn boundaries
- Walks backward through empty turns when back-to-back user messages exist
- No anchoring — reads from end of log since <command-message> isn't written
until after the binary completes
New files:
- apps/hook/commands/plannotator-last.md — slash command definition
- apps/hook/server/session-log.ts — Claude-Code-specific log parser
- apps/hook/server/session-log.test.ts — 30 tests covering streaming chunks,
tool call turns, sub-agent noise, stop hooks, thinking blocks, and edge cases
Modified:
- apps/hook/server/index.ts — annotate-last subcommand
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* chore: remove 3 redundant real-world scenario tests
These duplicated coverage already provided by focused unit tests:
- "full conversation" → covered by "grabs last message.id in multi-tool turn"
- "stop hook interrupted" → covered by "skips progress and system noise"
- "long tool-only sequence" → covered by "skips tool-only assistant entries"
Kept the thinking block test (unique coverage). 27 tests remain.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* feat: add /plannotator-last command to Pi extension
Uses Pi's session manager API to find the last assistant message —
walks backward through ctx.sessionManager.getEntries(), finds the
last entry with role "assistant" and text content, opens it in the
annotation UI. Reuses existing isAssistantMessage(), getTextContent(),
startAnnotateServer(), and runBrowserReview() from the extension.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* feat: add /plannotator-last to OpenCode plugin + extract command handlers
Adds annotate-last command that fetches session messages via
client.session.messages(), finds the last assistant message with text
parts, and opens it in the annotation UI.
Refactors command handling: extracts review, annotate, and annotate-last
handlers from the inline event hook into commands.ts module. Reduces
index.ts by ~120 lines and makes adding future commands cleaner.
New files:
- apps/opencode-plugin/commands.ts — extracted command handlers
- apps/opencode-plugin/commands/plannotator-last.md — command metadata
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* feat: context-aware UI labels for annotate-last mode
Adds "annotate-last" mode to the annotate server, passed through to the
UI via /api/plan response. The editor uses this to show "Copy message"
instead of "Copy plan", and "annotations on the message" in the
completion overlay.
- packages/server/annotate.ts: new `mode` option on AnnotateServerOptions
- packages/editor/App.tsx: annotateSource state derived from mode
- packages/ui/components/Viewer.tsx: copyLabel prop for button text
- All three harnesses pass mode: "annotate-last" in their callers
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* feat: add Codex support to annotate-last command
Detects Codex via CODEX_THREAD_ID env var (injected by Codex into every
spawned process). Uses the thread ID to find the rollout file in
~/.codex/sessions/, parses the Codex rollout JSONL format to extract
the last assistant message.
Also adds `plannotator last` alias for shorter usage in Codex bang
commands (!plannotator last).
New files:
- apps/hook/server/codex-session.ts — Codex rollout parser
- apps/hook/server/codex-session.test.ts — 9 tests
Modified:
- apps/hook/server/index.ts — Codex detection + `last` alias
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: context-aware feedback title + top spacing for paragraph-first content
- exportAnnotations now accepts a title param: "Message Feedback" for
annotate-last, "File Feedback" for file annotation, "Plan Feedback"
for plan review (default)
- Adds top spacer when content starts with a paragraph (not a heading)
and has no frontmatter, fixing tight spacing in annotate-last mode
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* chore: add sandbox scripts for Pi and Codex testing
- sandbox-pi.sh: builds extension, creates temp project, installs via
`pi install`, launches Pi with sample files
- sandbox-codex.sh: compiles binary, creates temp project, launches
Codex. Test with `!plannotator last`
Both follow the same pattern as sandbox-opencode.sh.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: add hook build step to opencode sandbox script
The opencode build copies HTML from hook/dist/ — without building hook
first, the sandbox could use stale HTML. Pi and Codex sandboxes already
had this step.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: remove command body from plannotator-last to prevent agent response
The .md body was being sent to the agent as a prompt, causing it to
respond with "Opening annotation UI..." before the event handler could
fetch messages. That response became the "last message" instead of the
actual one. Empty body = agent stays silent, event handler intercepts.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: use command.execute.before hook for OpenCode annotate-last
Moves plannotator-last from the passive event hook to the
command.execute.before hook. This intercepts the command before the
agent sees it, clears output.parts so the agent stays silent, fetches
session messages, opens the annotation UI, then sends feedback via
client.session.prompt() — same pattern as review/annotate.
Previously the agent would respond to the command body before the
event handler could fetch messages, polluting the session history.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: add Codex to origin type and agent name mapping
Origin "codex" was falling through to the default "Coding Agent" label.
Added "codex" to the origin union type across annotate server, editor,
and removed the `as any` cast in the hook.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: remote share link, plan-specific prose, and codex type unions
- Add writeRemoteShareLink to annotate-last onReady callback so remote
sessions get a reachable URL
- Add subject parameter to exportAnnotations so feedback says "message"
or "file" instead of "plan" when appropriate
- Add 'codex' to origin type unions in useAgents, Settings, UpdateBanner,
and App.tsx fetch handler
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* fix: correct JSDoc for projectSlugFromCwd (leading dash is kept, not stripped)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
* refactor: use RenderedMessage type instead of inline structural type
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
@plannotator/opencode
Annotate plans. Not in the terminal.
Interactive Plan Review for OpenCode. Select the exact parts of the plan you want to change—mark for deletion, add a comment, or suggest a replacement. Feedback flows back to your agent automatically.
Obsidian users can auto-save approved plans to Obsidian as well. See details
Watch Demo
|
Install
Add to your opencode.json:
{
"$schema": "https://opencode.ai/config.json",
"plugin": ["@plannotator/opencode@latest"]
}
Restart OpenCode. The submit_plan tool is now available.
Slash commands: Run the install script to get
/plannotator-review:curl -fsSL https://plannotator.ai/install.sh | bashThis also clears any cached plugin versions.
How It Works
- Agent calls
submit_plan→ Plannotator opens in your browser - Select text → annotate (delete, replace, comment)
- Approve → Agent proceeds with implementation
- Request changes → Annotations sent back as structured feedback
Features
- Visual annotations: Select text, choose an action, see feedback in the sidebar
- Runs locally: No network requests. Plans never leave your machine.
- Private sharing: Plans and annotations compress into the URL itself—share a link, no accounts or backend required
- Plan Diff: See what changed when the agent revises a plan after feedback
- Obsidian integration: Auto-save approved plans to your vault with frontmatter and tags
Environment Variables
| Variable | Description |
|---|---|
PLANNOTATOR_REMOTE |
Set to 1 for remote mode (devcontainer, SSH). Uses fixed port and skips browser open. |
PLANNOTATOR_PORT |
Fixed port to use. Default: random locally, 19432 for remote sessions. |
PLANNOTATOR_BROWSER |
Custom browser to open plans in. macOS: app name or path. Linux/Windows: executable path. |
PLANNOTATOR_SHARE_URL |
Custom share portal URL for self-hosting. Default: https://share.plannotator.ai. |
PLANNOTATOR_PLAN_TIMEOUT_SECONDS |
Timeout for submit_plan review wait. Default: 345600 (96h). Set 0 to disable timeout. |
Devcontainer / Docker
Works in containerized environments. Set the env vars and forward the port:
{
"containerEnv": {
"PLANNOTATOR_REMOTE": "1",
"PLANNOTATOR_PORT": "9999"
},
"forwardPorts": [9999]
}
Then open http://localhost:9999 when submit_plan is called.
See devcontainer.md for full setup details.
Obsidian Integration
Save approved plans directly to your Obsidian vault.
- Open Settings in Plannotator UI
- Enable "Obsidian Integration" and select your vault
- Approved plans save automatically with:
- Human-readable filenames:
Title - Jan 2, 2026 2-30pm.md - YAML frontmatter (
created,source,tags) - Auto-extracted tags from plan title and code languages
- Backlink to
[[Plannotator Plans]]for graph view
- Human-readable filenames:
Links
License
Copyright 2025 backnotprop Licensed under MIT or Apache-2.0.