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feat(buzz-acp): add auto permission mode #2885

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bdfd18e
feat(buzz-acp): add auto permission mode
Jul 25, 2026
2bb6578
Merge branch 'main' into PR #2885 to clear stale-base CI failure
Jul 28, 2026
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16 changes: 15 additions & 1 deletion crates/buzz-acp/src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ impl std::fmt::Display for RespondTo {
/// `configId: "mode"` (e.g. `claude-agent-acp`).
///
/// - `default` — agent's built-in behaviour (permission requests per tool call).
/// - `auto` — auto-approve with a classifier reviewing each tool call.
/// - `acceptEdits` — auto-approve file edits, still ask for other tools.
/// - `bypassPermissions` — skip the permission flow entirely.
/// - `dontAsk` — never prompt; reject anything that would require permission.
Expand All @@ -124,6 +125,13 @@ pub enum PermissionMode {
/// Agent default — permission requests per tool call.
#[value(alias = "default")]
Default,
/// Auto-approve tool calls, with a classifier reviewing each one.
///
/// Unlike `bypassPermissions`, which skips the permission flow outright,
/// `auto` keeps a safety check in the loop without needing a human to
/// answer a prompt — the shape a headless harness actually wants.
#[value(alias = "auto")]
Auto,
/// Auto-approve file edits, still ask for other tools.
#[value(alias = "acceptEdits")]
AcceptEdits,
Expand All @@ -144,6 +152,7 @@ impl PermissionMode {
pub fn as_wire_str(&self) -> &'static str {
match self {
Self::Default => "default",
Self::Auto => "auto",
Self::AcceptEdits => "acceptEdits",
Self::BypassPermissions => "bypassPermissions",
Self::DontAsk => "dontAsk",
Expand Down Expand Up @@ -434,7 +443,8 @@ pub struct CliArgs {
///
/// Defaults to `bypassPermissions` which skips the per-tool-call
/// permission flow. Set to `default` to restore the agent's built-in
/// behaviour.
/// behaviour, or `auto` to keep a classifier reviewing each tool call
/// without requiring a human to answer a prompt.
#[arg(
long,
env = "BUZZ_ACP_PERMISSION_MODE",
Expand Down Expand Up @@ -2187,6 +2197,7 @@ channels = "ALL"
#[test]
fn test_permission_mode_wire_strings() {
assert_eq!(PermissionMode::Default.as_wire_str(), "default");
assert_eq!(PermissionMode::Auto.as_wire_str(), "auto");
assert_eq!(PermissionMode::AcceptEdits.as_wire_str(), "acceptEdits");
assert_eq!(
PermissionMode::BypassPermissions.as_wire_str(),
Expand All @@ -2199,6 +2210,7 @@ channels = "ALL"
#[test]
fn test_permission_mode_is_default() {
assert!(PermissionMode::Default.is_default());
assert!(!PermissionMode::Auto.is_default());
assert!(!PermissionMode::BypassPermissions.is_default());
assert!(!PermissionMode::AcceptEdits.is_default());
assert!(!PermissionMode::DontAsk.is_default());
Expand Down Expand Up @@ -2249,6 +2261,7 @@ channels = "ALL"
use clap::ValueEnum;
let cases = [
("default", PermissionMode::Default),
("auto", PermissionMode::Auto),
("accept-edits", PermissionMode::AcceptEdits),
("bypass-permissions", PermissionMode::BypassPermissions),
("dont-ask", PermissionMode::DontAsk),
Expand All @@ -2271,6 +2284,7 @@ channels = "ALL"
use clap::ValueEnum;
let cases = [
("default", PermissionMode::Default),
("auto", PermissionMode::Auto),
("acceptEdits", PermissionMode::AcceptEdits),
("bypassPermissions", PermissionMode::BypassPermissions),
("dontAsk", PermissionMode::DontAsk),
Expand Down
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