Resend, edit and delete sent messages; rename and delete Agent chats - #35
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Each message you send now has three actions on hover. Resend sends the same text again. Edit replaces the message and everything after it. Delete removes the message and the agent's answer to it. Edit and delete change pi's own session file as well as the portal's transcript. Trimming only the transcript would leave the model answering to a message that is gone from the screen. The file is a tree of entries linked by parent id, so removing a turn means dropping its entries and re-parenting the next one; that lives in pi/session-edit.ts as a function over the file's text, tested against synthetic sessions and checked against a real one loaded with pi's own SessionManager. It refuses instead of guessing when a message sits under a compaction summary or the file has branches it cannot reason about. The server refuses both while a run is in progress. A portal_removed event tells open pages which stretch of transcript to drop. The Agent tab lists conversations that could already be renamed and deleted through the session routes, but had no way to do it. Rows now have both. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Sending the same text again after a Stop left the aborted, half-written answer in the agent's memory with a second copy of the question after it. On the last message the action now edits without changing the text: it and what came of it are removed from pi's record and the message is sent again. Older messages keep sending their text as a new message, since replacing one of those would drop everything after it. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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📝 WalkthroughWalkthroughThe change adds message retry, resend, edit, and delete controls. The server updates pi session files and stored events with rollback support. The web client synchronizes removed event ranges. The Agent tab gains session rename and delete controls, with updated documentation. ChangesConversation editing
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant User
participant Chat
participant API
participant SessionManager
participant SessionFile
participant EventStore
User->>Chat: Edit or delete sent message
Chat->>API: Submit message action
API->>SessionManager: Remove or replace message
SessionManager->>SessionFile: Rewrite conversation path
SessionManager->>EventStore: Delete or restore event range
SessionManager-->>API: Return success or error
API-->>Chat: Update transcript and session state
Suggested reviewers: Merge Risk: 🟡 Moderate · up to Conversation edits can leave agent memory and transcript history inconsistent, so these persistence risks should be fixed before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 75.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 10 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@server/src/pi/session-edit.ts`:
- Line 94: The fallback in the session-edit matching logic must reject ambiguous
substring matches instead of selecting the first later user message containing
want. Restrict matching to documented message transformations, require exactly
one valid match, and return SessionEditError("unmatched", ...) when no unique
match exists; preserve the existing direct-match behavior and event-deletion
alignment.
In `@server/src/session-manager.ts`:
- Around line 442-443: The editMessage replacement flow must roll back the
original conversation when prompt fails, including ensureClient, client.prompt,
and persistence failures. Preserve the removed tail’s session-file and SQLite
event state, defer publishing portal_removed until the replacement is accepted,
and remove any replacement portal_prompt event or restore the original state on
failure; update editMessage and prompt while preserving successful replacements.
- Around line 430-437: Make the session edit flow around renameSync,
deleteEventsBetween, and record recoverable across failures by persisting an
edit intent before changing the session file, then completing or rolling back
the intent after the event-store update. Add startup recovery to detect
incomplete intents and restore consistency between the session file and portal
events, while preserving existing unsupported and unmatched error behavior.
In `@web/src/components/Chat.tsx`:
- Line 722: Update the save function to return early when the editor content is
unchanged by including the existing changed state alongside the blank-value and
saving checks, preventing the keyboard submit path from calling onSave for
unchanged text.
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docs/channels/index.mddocs/guide/sessions.mdserver/src/db.tsserver/src/index.tsserver/src/pi/session-edit.tsserver/src/session-manager.tsserver/test/session-edit.test.mjsweb/src/App.tsxweb/src/api.tsweb/src/components/AgentPage.tsxweb/src/components/Chat.tsxweb/src/transcript.ts
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- Match a sent message to pi's entry only exactly or as a voice turn. The substring fallback could take a message pi never received for a later one containing its words, and remove the wrong turn. - Edit no longer loses the conversation when the replacement is refused: the file and the transcript are restored and the replacement's event retracted. portal_removed is published only once the replacement is accepted, and only for the range that went. If the transcript update itself fails after the file was rewritten, the file is put back. - Enter on an unchanged edit does nothing instead of removing the tail and sending the same text again. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Inline comments:
In `@server/src/session-manager.ts`:
- Around line 420-424: Add a per-session edit lease acquired by
SessionManager.cut before its isBusy check, and retain it through stop,
session-file rewriting, and event deletion. Keep the lease across editMessage’s
replacement prompt and rollback, while routing the replacement through a
lease-aware internal path; reject external prompt and ask calls whenever the
lease is held, and always release it after the complete edit flow finishes.
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docs/guide/sessions.mdserver/src/db.tsserver/src/pi/session-edit.tsserver/src/session-manager.tsserver/test/session-edit.test.mjsweb/src/components/Chat.tsx
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An edit rewrites the file pi reads and deletes events. A prompt arriving while stop() was still cleaning up could start a client on the old file, or have its own portal_prompt deleted with the tail. A per-session lease is now held from before the busy check to after the replacement is sent or the old conversation is restored. Prompts and client starts from anywhere else wait for it instead of failing; a second edit is refused as busy. The replacement prompt goes through the lease. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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What
Each message you send gets actions on hover, and the Agent tab's conversations can finally be renamed and deleted.
Why it touches pi's session file
Trimming only the portal's transcript would leave the model answering to a message that is gone from the screen. So edit and delete also change pi's own record.
pi's file is a tree of entries linked by
parentId; the conversation is the path from the last entry to the root. Removing a turn means dropping its entries and re-parenting the next one. That lives inserver/src/pi/session-edit.tsas a function over the file's text, so it's testable without a live session.SessionManager.removeMessagestops the client first (a live pi would write its in-memory version back over the edit), writes to a temp file and renames it.Portal messages are matched to pi's user entries by text, in order, because the two lists differ: a slash command isn't a chat message to the portal but can expand into one for pi, and a message that failed before reaching pi has no entry. A sent message that finds no match is skipped; only the one being acted on has to be found.
It refuses instead of guessing — nothing is written — when:
Open pages learn what went via a
portal_removedevent (ephemeral, negative seq) instead of reloading.What it doesn't do
Edit and delete change what the agent remembers, not what it did. Files it changed, commands it ran and messages already delivered to a channel stay. Edit and Retry resend only the visible text, so the context chips on channel messages (speaker, etc.) are not carried over.
Testing
SessionManagerand give the expected conversation.portal_removed, unknown seq/session return 404, empty edit 400. The edit route removed everything and recorded the new prompt; the prompt itself then failed on the missing API key in that scratch setup.Docs:
docs/guide/sessions.md(new "Sent messages" section) anddocs/channels/index.md.🤖 Generated with Claude Code
Summary by CodeRabbit
New Features
Documentation