Add Auto permission mode (#63)

Adds Claude Code's auto permission mode as a fifth option between Accept Edits and Bypass, across terminals, resumed sessions, the tab badge, the scheduler task runner and docs. Warns that Auto falls back to prompting when unavailable for the model/backend.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

app/src-tauri/src/commands/terminal_commands.rs

@@ -469,6 +469,20 @@ mod tests {
         assert!(!cmd[2].contains(" -n "), "empty name must add no flag: {}", cmd[2]);
     }
 
+    /// Auto mode is passed as a `--permission-mode` value, not its own flag.
+    #[test]
+    fn build_terminal_cmd_passes_auto_permission_mode() {
+        let mut p = project("anthropic", serde_json::Value::Null);
+        p.permission_mode = Some(crate::models::project::PermissionMode::Auto);
+        let cmd = build_claude_terminal_cmd(&p, None, None);
+
+        assert!(
+            cmd[2].contains("exec claude '--permission-mode' 'auto'"),
+            "got: {}",
+            cmd[2]
+        );
+    }
+
     /// The Bedrock-profile path keeps its AWS validation *and* gains the
     /// prelude, immediately before the exec.
     #[test]

app/src-tauri/src/models/project.rs

@@ -166,6 +166,9 @@ pub enum PermissionMode {
     Default,
     /// Auto-accept file edits, prompt for everything else.
     AcceptEdits,
+    /// Claude Code's classifier approves safe actions and blocks risky ones,
+    /// without prompting.
+    Auto,
     /// Skip all permission prompts.
     Bypass,
 }
@@ -180,6 +183,7 @@ impl PermissionMode {
             PermissionMode::AcceptEdits => {
                 vec!["--permission-mode".to_string(), "acceptEdits".to_string()]
             }
+            PermissionMode::Auto => vec!["--permission-mode".to_string(), "auto".to_string()],
             PermissionMode::Bypass => vec!["--dangerously-skip-permissions".to_string()],
         }
     }
@@ -191,6 +195,7 @@ impl PermissionMode {
             PermissionMode::Plan => "plan",
             PermissionMode::Default => "default",
             PermissionMode::AcceptEdits => "acceptEdits",
+            PermissionMode::Auto => "auto",
             PermissionMode::Bypass => "bypass",
         }
     }