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docs: document SIGINT routing and MCP process-group isolation

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Ctrl+C now cancels the turn (or the auto-retry countdown), cancels a poll-based
prompt read such as wait's, and is ignored with a hint for off-loop readline
prompts; it never exits the REPL and never reaches MCP servers, which spawn in
their own session. Also drop ask_into_pty's stale "Ctrl+C cancels" claim: that
prompt is readline-based and empty input is its cancel.
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worldmozara
2026-09-22 19:44:31 +08:00
parent dfd45a1d57
commit bbed7c87cd
3 changed files with 5 additions and 3 deletions
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README.md
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@@ -278,6 +278,8 @@ Type `/help` in the REPL for the live list. Common ones:
User messages are saved immediately. On API error or Ctrl+C, partial assistant/tool output is discarded but the user message stays so `/retry` works after resume. Interactive auto-retry waits 5s, 10s, 15s, 20s, then +10s each step (10 attempts); an attempt that gets a full model round back **resets that budget**, so a connection that recovers and drops again starts over from 5s.
Ctrl+C cancels the in-flight turn, and during the auto-retry countdown it cancels the retry. Model-initiated prompts run off the event loop: a `wait` prompt is cancelled by Ctrl+C (the tool reports `cancelled by user` and the turn continues), while `ask_user_*` and confirm prompts ignore it with a one-line hint — answer them to continue. Ctrl+C never exits the REPL (use Ctrl+D or `/quit`), and MCP servers run in their own process group, so it never kills them either.
## Workspace model
- **Workspace** = root for file/process/VCS tools (default cwd).